r7963: Add aio support to 3.0.
authorJeremy Allison <jra@samba.org>
Mon, 27 Jun 2005 22:53:56 +0000 (22:53 +0000)
committerGerald (Jerry) Carter <jerry@samba.org>
Wed, 10 Oct 2007 15:58:05 +0000 (10:58 -0500)
Jeremy.
(This used to be commit 1de27da47051af08790317f5b48b02719d6b9934)

25 files changed:
examples/VFS/skel_opaque.c
examples/VFS/skel_transparent.c
source3/Makefile.in
source3/include/ntlmssp.h
source3/include/smb.h
source3/include/vfs.h
source3/include/vfs_macros.h
source3/lib/system.c
source3/modules/vfs_full_audit.c
source3/param/loadparm.c
source3/smbd/aio.c [new file with mode: 0644]
source3/smbd/blocking.c
source3/smbd/close.c
source3/smbd/conn.c
source3/smbd/notify.c
source3/smbd/open.c
source3/smbd/oplock.c
source3/smbd/process.c
source3/smbd/reply.c
source3/smbd/server.c
source3/smbd/service.c
source3/smbd/sesssetup.c
source3/smbd/trans2.c
source3/smbd/vfs-wrap.c
source3/smbd/vfs.c

index a3a42912f87ca055fbd7dfa74afeb449a3af87e4..a3aab55c3ea8d27923902f8e2a6148354083ee1b 100644 (file)
@@ -487,6 +487,41 @@ static int skel_fsetxattr(vfs_handle_struct *handle, struct files_struct *fsp,in
        return -1;
 }
 
+static int skel_aio_read(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
+{
+       return vfswrap_aio_read(NULL, fsp, aiocb);
+}
+
+static int skel_aio_write(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
+{
+       return vfswrap_aio_write(NULL, fsp, aiocb);
+}
+
+static ssize_t skel_aio_return(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
+{
+       return vfswrap_aio_return(NULL, fsp, aiocb);
+}
+
+static int skel_aio_cancel(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd, SMB_STRUCT_AIOCB *aiocb)
+{
+       return vfswrap_aio_cancel(NULL, fsp, fd, aiocb);
+}
+
+static int skel_aio_error(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
+{
+       return vfswrap_aio_error(NULL, fsp, aiocb);
+}
+
+static int skel_aio_fsync(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb)
+{
+       return vfswrap_aio_fsync(NULL, fsp, op, aiocb);
+}
+
+static int skel_aio_suspend(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *ts)
+{
+       return vfswrap_aioi_suspend(NULL, fsp, aiocb, n, ts);
+}
+
 /* VFS operations structure */
 
 static vfs_op_tuple skel_op_tuples[] = {
@@ -590,6 +625,15 @@ static vfs_op_tuple skel_op_tuples[] = {
        {SMB_VFS_OP(skel_lsetxattr),                    SMB_VFS_OP_LSETXATTR,                   SMB_VFS_LAYER_OPAQUE},
        {SMB_VFS_OP(skel_fsetxattr),                    SMB_VFS_OP_FSETXATTR,                   SMB_VFS_LAYER_OPAQUE},
 
+       /* AIO operations. */
+       {SMB_VFS_OP(skel_aio_read),                     SMB_VFS_OP_AIO_READ,                    SMB_VFS_LAYER_OPAQUE},
+       {SMB_VFS_OP(skel_aio_write),                    SMB_VFS_OP_AIO_WRITE,                   SMB_VFS_LAYER_OPAQUE},
+       {SMB_VFS_OP(skel_aio_return),                   SMB_VFS_OP_AIO_RETURN,                  SMB_VFS_LAYER_OPAQUE},
+       {SMB_VFS_OP(skel_aio_cancel),                   SMB_VFS_OP_AIO_CANCEL,                  SMB_VFS_LAYER_OPAQUE},
+       {SMB_VFS_OP(skel_aio_error),                    SMB_VFS_OP_AIO_ERROR,                   SMB_VFS_LAYER_OPAQUE},
+       {SMB_VFS_OP(skel_aio_fsync),                    SMB_VFS_OP_AIO_FSYNC,                   SMB_VFS_LAYER_OPAQUE},
+       {SMB_VFS_OP(skel_aio_suspend),                  SMB_VFS_OP_AIO_SUSPEND,                 SMB_VFS_LAYER_OPAQUE},
+
        {NULL,                                          SMB_VFS_OP_NOOP,                        SMB_VFS_LAYER_NOOP}
 };
 
index 8be1a7fb449356346e27ba4bfa6dd7ed2285ff60..81069765d0e0aedfe6a1507496eb0cd1eba0b924 100644 (file)
@@ -456,6 +456,41 @@ static int skel_fsetxattr(vfs_handle_struct *handle, struct files_struct *fsp,in
         return SMB_VFS_NEXT_FSETXATTR(handle, fsp, fd, name, value, size, flags);
 }
 
+static int skel_aio_read(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
+{
+       return SMB_VFS_NEXT_AIO_READ(handle, fsp, aiocb);
+}
+
+static int skel_aio_write(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
+{
+       return SMB_VFS_NEXT_AIO_WRITE(handle, fsp, aiocb);
+}
+
+static ssize_t skel_aio_return(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
+{
+       return SMB_VFS_NEXT_AIO_RETURN(handle, fsp, aiocb);
+}
+
+static int skel_aio_cancel(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd, SMB_STRUCT_AIOCB *aiocb)
+{
+       return SMB_VFS_NEXT_AIO_CANCEL(handle, fsp, fd, aiocb);
+}
+
+static int skel_aio_error(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
+{
+       return SMB_VFS_NEXT_AIO_ERROR(handle, fsp, aiocb);
+}
+
+static int skel_aio_fsync(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb)
+{
+       return SMB_VFS_NEXT_AIO_FSYNC(handle, fsp, op, aiocb);
+}
+
+static int skel_aio_suspend(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *ts)
+{
+       return SMB_VFS_NEXT_AIO_SUSPEND(handle, fsp, aiocb, n, ts);
+}
+
 /* VFS operations structure */
 
 static vfs_op_tuple skel_op_tuples[] = {
@@ -557,6 +592,15 @@ static vfs_op_tuple skel_op_tuples[] = {
        {SMB_VFS_OP(skel_lsetxattr),                    SMB_VFS_OP_LSETXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
        {SMB_VFS_OP(skel_fsetxattr),                    SMB_VFS_OP_FSETXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 
+       /* AIO operations. */
+       {SMB_VFS_OP(skel_aio_read),                     SMB_VFS_OP_AIO_READ,                    SMB_VFS_LAYER_TRANSPARENT},
+       {SMB_VFS_OP(skel_aio_write),                    SMB_VFS_OP_AIO_WRITE,                   SMB_VFS_LAYER_TRANSPARENT},
+       {SMB_VFS_OP(skel_aio_return),                   SMB_VFS_OP_AIO_RETURN,                  SMB_VFS_LAYER_TRANSPARENT},
+       {SMB_VFS_OP(skel_aio_cancel),                   SMB_VFS_OP_AIO_CANCEL,                  SMB_VFS_LAYER_TRANSPARENT},
+       {SMB_VFS_OP(skel_aio_error),                    SMB_VFS_OP_AIO_ERROR,                   SMB_VFS_LAYER_TRANSPARENT},
+       {SMB_VFS_OP(skel_aio_fsync),                    SMB_VFS_OP_AIO_FSYNC,                   SMB_VFS_LAYER_TRANSPARENT},
+       {SMB_VFS_OP(skel_aio_suspend),                  SMB_VFS_OP_AIO_SUSPEND,                 SMB_VFS_LAYER_TRANSPARENT},
+
        {NULL,                                          SMB_VFS_OP_NOOP,                        SMB_VFS_LAYER_NOOP}
 };
 
index 499f51b77ed3cdd5e19b8f9d05542a87e0cc8588..0fbd0464f6a6e4022473bbe171349d0e8fc7d4b7 100644 (file)
@@ -387,7 +387,7 @@ SMBD_OBJ_SRV = smbd/files.o smbd/chgpasswd.o smbd/connection.o \
               lib/sysquotas_xfs.o lib/sysquotas_4A.o \
               smbd/change_trust_pw.o smbd/fake_file.o \
               smbd/quotas.o smbd/ntquotas.o $(AFS_OBJ) smbd/msdfs.o \
-              $(AFS_SETTOKEN_OBJ) \
+              $(AFS_SETTOKEN_OBJ) smbd/aio.o \
               $(MANGLE_OBJ) @VFS_STATIC@
 
 SMBD_OBJ_BASE = $(PARAM_OBJ) $(SMBD_OBJ_SRV) $(LIBSMB_OBJ) \
index 24ac79676150251d746551e73bd150392e20e7aa..8ab6265673c227f248d9c53679a79a780143fe06 100644 (file)
@@ -123,6 +123,7 @@ typedef struct ntlmssp_state
         * from the DATA_BLOB chal on this structure.
         *
         * @param ntlmssp_state This structure
+        * @param challenge 8 bytes of data, agreed by the client and server to be the effective challenge for NTLM2 authentication
         * @param challange 8 bytes of data, agreed by the client and server to be the effective challenge for NTLM2 authentication
         *
         */
index 658b52a2ffac8c64e14b02aa0081e40ed11aebed..50bd233da76f6254da5c0a665011144286b09f85 100644 (file)
@@ -442,6 +442,7 @@ typedef struct files_struct {
        BOOL is_directory;
        BOOL is_stat;
        BOOL directory_delete_on_close;
+       BOOL aio_write_behind;
        char *fsp_name;
        FAKE_FILE_HANDLE *fake_file_handle;
 } files_struct;
@@ -541,6 +542,7 @@ typedef struct connection_struct
        name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
        name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
        name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */       
+       name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */       
 
 } connection_struct;
 
index 4a06fe853a54f25aaf753042e64f6ec8dd4147c4..c1bab368c956af2375c007eaf73aa30c9efb2c41 100644 (file)
@@ -1,7 +1,7 @@
 /* 
    Unix SMB/CIFS implementation.
    VFS structures and parameters
-   Copyright (C) Jeremy Allison                         1999-2004
+   Copyright (C) Jeremy Allison                         1999-2005
    Copyright (C) Tim Potter                            1999
    Copyright (C) Alexander Bokovoy                     2002
    Copyright (C) Stefan (metze) Metzmacher             2003
 /* Changed to version 9 to include the get_shadow_data call. --metze */
 /* Changed to version 10 to include pread/pwrite calls. */
 /* Changed to version 11 to include seekdir/telldir/rewinddir calls. JRA */
-/* Changed to version 12 to add mask and attributes to opendir(). JRA */
+/* Changed to version 12 to add mask and attributes to opendir(). JRA 
+   Also include aio calls. JRA. */
 #define SMB_VFS_INTERFACE_VERSION 12
 
 
-/* to bug old modules witch are trying to compile with the old functions */
+/* to bug old modules which are trying to compile with the old functions */
 #define vfs_init __ERROR_please_port_this_module_to_SMB_VFS_INTERFACE_VERSION_8_donot_use_vfs_init_anymore(void) { __ERROR_please_port_this_module_to_SMB_VFS_INTERFACE_VERSION_8_donot_use_vfs_init_anymore };
 #define lp_parm_string __ERROR_please_port_lp_parm_string_to_lp_parm_const_string_or_lp_parm_talloc_string { \
   __ERROR_please_port_lp_parm_string_to_lp_parm_const_string_or_lp_parm_talloc_string };
@@ -191,6 +192,15 @@ typedef enum _vfs_op_type {
        SMB_VFS_OP_LSETXATTR,
        SMB_VFS_OP_FSETXATTR,
 
+       /* aio operations */
+       SMB_VFS_OP_AIO_READ,
+       SMB_VFS_OP_AIO_WRITE,
+       SMB_VFS_OP_AIO_RETURN,
+       SMB_VFS_OP_AIO_CANCEL,
+       SMB_VFS_OP_AIO_ERROR,
+       SMB_VFS_OP_AIO_FSYNC,
+       SMB_VFS_OP_AIO_SUSPEND,
+
        /* This should always be last enum value */
        
        SMB_VFS_OP_LAST
@@ -302,6 +312,15 @@ struct vfs_ops {
                int (*lsetxattr)(struct vfs_handle_struct *handle, struct connection_struct *conn,const char *path, const char *name, const void *value, size_t size, int flags);
                int (*fsetxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp,int filedes, const char *name, const void *value, size_t size, int flags);
 
+               /* aio operations */
+               int (*aio_read)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
+               int (*aio_write)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
+               ssize_t (*aio_return)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
+               int (*aio_cancel)(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd, SMB_STRUCT_AIOCB *aiocb);
+               int (*aio_error)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
+               int (*aio_fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb);
+               int (*aio_suspend)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *timeout);
+
        } ops;
 
        struct vfs_handles_pointers {
@@ -405,6 +424,14 @@ struct vfs_ops {
                struct vfs_handle_struct *lsetxattr;
                struct vfs_handle_struct *fsetxattr;
 
+               /* aio operations */
+               struct vfs_handle_struct *aio_read;
+               struct vfs_handle_struct *aio_write;
+               struct vfs_handle_struct *aio_return;
+               struct vfs_handle_struct *aio_cancel;
+               struct vfs_handle_struct *aio_error;
+               struct vfs_handle_struct *aio_fsync;
+               struct vfs_handle_struct *aio_suspend;
        } handles;
 };
 
index dbe7c04d7448389bdca3dbf37fae0db930a739a5..40ecd75fc9c9b061e38e8752d86037b4c20d3711 100644 (file)
 #define SMB_VFS_LSETXATTR(conn,path,name,value,size,flags) ((conn)->vfs.ops.lsetxattr((conn)->vfs.handles.lsetxattr,(conn),(path),(name),(value),(size),(flags)))
 #define SMB_VFS_FSETXATTR(fsp,fd,name,value,size,flags) ((fsp)->conn->vfs.ops.fsetxattr((fsp)->conn->vfs.handles.fsetxattr,(fsp),(fd),(name),(value),(size),(flags)))
 
+/* AIO operations. */
+#define SMB_VFS_AIO_READ(fsp,aiocb) ((fsp)->conn->vfs.ops.aio_read((fsp)->conn->vfs.handles.aio_read,(fsp),(aiocb)))
+#define SMB_VFS_AIO_WRITE(fsp,aiocb) ((fsp)->conn->vfs.ops.aio_write((fsp)->conn->vfs.handles.aio_write,(fsp),(aiocb)))
+#define SMB_VFS_AIO_RETURN(fsp,aiocb) ((fsp)->conn->vfs.ops.aio_return((fsp)->conn->vfs.handles.aio_return,(fsp),(aiocb)))
+#define SMB_VFS_AIO_CANCEL(fsp,fd,aiocb) ((fsp)->conn->vfs.ops.aio_cancel((fsp)->conn->vfs.handles.aio_cancel,(fsp),(fd),(aiocb)))
+#define SMB_VFS_AIO_ERROR(fsp,aiocb) ((fsp)->conn->vfs.ops.aio_error((fsp)->conn->vfs.handles.aio_error,(fsp),(aiocb)))
+#define SMB_VFS_AIO_FSYNC(fsp,op,aiocb) ((fsp)->conn->vfs.ops.aio_fsync((fsp)->conn->vfs.handles.aio_fsync,(fsp),(op),(aiocb)))
+#define SMB_VFS_AIO_SUSPEND(fsp,aiocb,n,ts) ((fsp)->conn->vfs.ops.aio_suspend((fsp)->conn->vfs.handles.aio_suspend,(fsp),(aiocb),(n),(ts)))
+
 /*******************************************************************
  Don't access conn->vfs_opaque.ops directly!!!
  Use this macros!
 #define SMB_VFS_OPAQUE_LSETXATTR(conn,path,name,value,size,flags) ((conn)->vfs_opaque.ops.lsetxattr((conn)->vfs_opaque.handles.lsetxattr,(conn),(path),(name),(value),(size),(flags)))
 #define SMB_VFS_OPAQUE_FSETXATTR(fsp,fd,name,value,size,flags) ((fsp)->conn->vfs_opaque.ops.fsetxattr((fsp)->conn->vfs_opaque.handles.fsetxattr,(fsp),(fd),(name),(value),(size),(flags)))
 
+/* AIO operations. */
+#define SMB_VFS_OPAQUE_AIO_READ(fsp,aiocb) ((fsp)->conn->vfs_opaque.ops.aio_read((fsp)->conn->vfs_opaque.handles.aio_read,(fsp),(aiocb)))
+#define SMB_VFS_OPAQUE_AIO_WRITE(fsp,aiocb) ((fsp)->conn->vfs_opaque.ops.aio_write((fsp)->conn->vfs_opaque.handles.aio_read,(fsp),(aiocb)))
+#define SMB_VFS_OPAQUE_AIO_RETURN(fsp,aiocb) ((fsp)->conn->vfs_opaque.ops.aio_return((fsp)->conn->vfs_opaque.handles.aio_read,(fsp),(aiocb)))
+#define SMB_VFS_OPAQUE_AIO_CANCEL(fsp,fd,aiocb) ((fsp)->conn->vfs_opaque.ops.aio_cancel((fsp)->conn->vfs_opaque.handles.aio_read,(fsp),(fd),(aiocb)))
+#define SMB_VFS_OPAQUE_AIO_ERROR(fsp,aiocb) ((fsp)->conn->vfs_opaque.ops.aio_error((fsp)->conn->vfs_opaque.handles.aio_read,(fsp),(aiocb)))
+#define SMB_VFS_OPAQUE_AIO_FSYNC(fsp,op,aiocb) ((fsp)->conn->vfs_opaque.ops.aio_fsync((fsp)->conn->vfs_opaque.handles.aio_read,(fsp),(op),(aiocb)))
+#define SMB_VFS_OPAQUE_AIO_SUSPEND(fsp,aiocb,n,ts) ((fsp)->conn->vfs_opaque.ops.aio_suspend((fsp)->conn->vfs_opaque.handles.aio_suspend,(fsp),(aiocb),(n),(ts)))
+
 /*******************************************************************
  Don't access handle->vfs_next.ops.* directly!!!
  Use this macros!
 #define SMB_VFS_NEXT_LSETXATTR(handle,conn,path,name,value,size,flags) ((handle)->vfs_next.ops.lsetxattr((handle)->vfs_next.handles.lsetxattr,(conn),(path),(name),(value),(size),(flags)))
 #define SMB_VFS_NEXT_FSETXATTR(handle,fsp,fd,name,value,size,flags) ((handle)->vfs_next.ops.fsetxattr((handle)->vfs_next.handles.fsetxattr,(fsp),(fd),(name),(value),(size),(flags)))
 
+/* AIO operations. */
+#define SMB_VFS_NEXT_AIO_READ(handle,fsp,aiocb) ((handle)->vfs_next.ops.aio_read((handle)->vfs_next.handles.aio_read,(fsp),(aiocb)))
+#define SMB_VFS_NEXT_AIO_WRITE(handle,fsp,aiocb) ((handle)->vfs_next.ops.aio_write((handle)->vfs_next.handles.aio_read,(fsp),(aiocb)))
+#define SMB_VFS_NEXT_AIO_RETURN(handle,fsp,aiocb) ((handle)->vfs_next.ops.aio_return((handle)->vfs_next.handles.aio_read,(fsp),(aiocb)))
+#define SMB_VFS_NEXT_AIO_CANCEL(handle,fsp,fd,aiocb) ((handle)->vfs_next.ops.aio_cancel((handle)->vfs_next.handles.aio_read,(fsp),(fd),(aiocb)))
+#define SMB_VFS_NEXT_AIO_ERROR(handle,fsp,aiocb) ((handle)->vfs_next.ops.aio_error((handle)->vfs_next.handles.aio_read,(fsp),(aiocb)))
+#define SMB_VFS_NEXT_AIO_FSYNC(handle,fsp,op,aiocb) ((handle)->vfs_next.ops.aio_fsync((handle)->vfs_next.handles.aio_read,(fsp),(op),(aiocb)))
+#define SMB_VFS_NEXT_AIO_SUSPEND(handle,fsp,aiocb,n,ts) ((handle)->vfs_next.ops.aio_suspend((handle)->vfs_next.handles.aio_suspend,(fsp),(aiocb),(n),(ts)))
+
 #endif /* _VFS_MACROS_H */
index 6c36544b77509c6c85bdf6895cdc51b2c1d2fcb9..6ac2cdf243392a3cc8d3619c8e6f34bbcc05a3e7 100644 (file)
@@ -1846,3 +1846,161 @@ uint32 unix_dev_minor(SMB_DEV_T dev)
         return (uint32)(dev & 0xff);
 #endif
 }
+
+#if defined(WITH_AIO)
+
+/*******************************************************************
+ An aio_read wrapper that will deal with 64-bit sizes.
+********************************************************************/
+                                                                                                                                           
+int sys_aio_read(SMB_STRUCT_AIOCB *aiocb)
+{
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_READ64)
+        return aio_read64(aiocb);
+#elif defined(HAVE_AIO_READ)
+        return aio_read(aiocb);
+#else
+       errno = ENOSYS;
+       return -1;
+#endif
+}
+
+/*******************************************************************
+ An aio_write wrapper that will deal with 64-bit sizes.
+********************************************************************/
+                                                                                                                                           
+int sys_aio_write(SMB_STRUCT_AIOCB *aiocb)
+{
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_WRITE64)
+        return aio_write64(aiocb);
+#elif defined(HAVE_AIO_WRITE)
+        return aio_write(aiocb);
+#else
+       errno = ENOSYS;
+       return -1;
+#endif
+}
+
+/*******************************************************************
+ An aio_return wrapper that will deal with 64-bit sizes.
+********************************************************************/
+                                                                                                                                           
+ssize_t sys_aio_return(SMB_STRUCT_AIOCB *aiocb)
+{
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_RETURN64)
+        return aio_return64(aiocb);
+#elif defined(HAVE_AIO_RETURN)
+        return aio_return(aiocb);
+#else
+       errno = ENOSYS;
+       return -1;
+#endif
+}
+
+/*******************************************************************
+ An aio_cancel wrapper that will deal with 64-bit sizes.
+********************************************************************/
+
+int sys_aio_cancel(int fd, SMB_STRUCT_AIOCB *aiocb)
+{
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_CANCEL64)
+        return aio_cancel64(fd, aiocb);
+#elif defined(HAVE_AIO_CANCEL)
+        return aio_cancel(fd, aiocb);
+#else
+       errno = ENOSYS;
+       return -1;
+#endif
+}
+
+/*******************************************************************
+ An aio_error wrapper that will deal with 64-bit sizes.
+********************************************************************/
+
+int sys_aio_error(const SMB_STRUCT_AIOCB *aiocb)
+{
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_ERROR64)
+        return aio_error64(aiocb);
+#elif defined(HAVE_AIO_ERROR)
+        return aio_error(aiocb);
+#else
+       errno = ENOSYS;
+       return -1;
+#endif
+}
+
+/*******************************************************************
+ An aio_fsync wrapper that will deal with 64-bit sizes.
+********************************************************************/
+
+int sys_aio_fsync(int op, SMB_STRUCT_AIOCB *aiocb)
+{
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_FSYNC64)
+        return aio_fsync64(op, aiocb);
+#elif defined(HAVE_AIO_FSYNC)
+        return aio_fsync64(op, aiocb);
+#else
+       errno = ENOSYS;
+       return -1;
+#endif
+}
+
+/*******************************************************************
+ An aio_fsync wrapper that will deal with 64-bit sizes.
+********************************************************************/
+
+int sys_aio_suspend(const SMB_STRUCT_AIOCB * const cblist[], int n, const struct timespec *timeout)
+{
+#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_SUSPEND64)
+        return aio_suspend64(cblist, n, timeout);
+#elif defined(HAVE_AIO_FSYNC)
+        return aio_suspend(cblist, n, timeout);
+#else
+       errno = ENOSYS;
+       return -1;
+#endif
+}
+#else /* !WITH_AIO */
+
+int sys_aio_read(SMB_STRUCT_AIOCB *aiocb)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
+int sys_aio_write(SMB_STRUCT_AIOCB *aiocb)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
+ssize_t sys_aio_return(SMB_STRUCT_AIOCB *aiocb)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
+int sys_aio_cancel(int fd, SMB_STRUCT_AIOCB *aiocb)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
+int sys_aio_error(const SMB_STRUCT_AIOCB *aiocb)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
+int sys_aio_fsync(int op, SMB_STRUCT_AIOCB *aiocb)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
+int sys_aio_suspend(const SMB_STRUCT_AIOCB * const cblist[], int n, const struct timespec *timeout)
+{
+       errno = ENOSYS;
+       return -1;
+}
+#endif /* WITH_AIO */
index abb77bcbf47fefae90ec2d5811248a3823ac4627..aa9e047f0aee99c6c3e85ccbf3b5e1ddc4bd5e43 100644 (file)
@@ -291,6 +291,14 @@ static int smb_full_audit_fsetxattr(struct vfs_handle_struct *handle,
                           struct files_struct *fsp, int fd, const char *name,
                           const void *value, size_t size, int flags);
 
+static int smb_full_audit_aio_read(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
+static int smb_full_audit_aio_write(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
+static ssize_t smb_full_audit_aio_return(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
+static int smb_full_audit_aio_cancel(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd, SMB_STRUCT_AIOCB *aiocb);
+static int smb_full_audit_aio_error(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
+static int smb_full_audit_aio_fsync(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb);
+static int smb_full_audit_aio_suspend(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *ts);
+
 /* VFS operations */
 
 static vfs_op_tuple audit_op_tuples[] = {
@@ -477,6 +485,21 @@ static vfs_op_tuple audit_op_tuples[] = {
        {SMB_VFS_OP(smb_full_audit_fsetxattr),  SMB_VFS_OP_FSETXATTR,
         SMB_VFS_LAYER_LOGGER},
        
+       {SMB_VFS_OP(smb_full_audit_aio_read),   SMB_VFS_OP_AIO_READ,
+        SMB_VFS_LAYER_LOGGER},
+       {SMB_VFS_OP(smb_full_audit_aio_write),  SMB_VFS_OP_AIO_WRITE,
+        SMB_VFS_LAYER_LOGGER},
+       {SMB_VFS_OP(smb_full_audit_aio_return), SMB_VFS_OP_AIO_RETURN,
+        SMB_VFS_LAYER_LOGGER},
+       {SMB_VFS_OP(smb_full_audit_aio_cancel), SMB_VFS_OP_AIO_CANCEL,
+        SMB_VFS_LAYER_LOGGER},
+       {SMB_VFS_OP(smb_full_audit_aio_error),  SMB_VFS_OP_AIO_ERROR,
+        SMB_VFS_LAYER_LOGGER},
+       {SMB_VFS_OP(smb_full_audit_aio_fsync),  SMB_VFS_OP_AIO_FSYNC,
+        SMB_VFS_LAYER_LOGGER},
+       {SMB_VFS_OP(smb_full_audit_aio_suspend),SMB_VFS_OP_AIO_SUSPEND,
+        SMB_VFS_LAYER_LOGGER},
+
        /* Finish VFS operations definition */
        
        {SMB_VFS_OP(NULL),              SMB_VFS_OP_NOOP,
@@ -571,6 +594,13 @@ static struct {
        { SMB_VFS_OP_SETXATTR,  "setxattr" },
        { SMB_VFS_OP_LSETXATTR, "lsetxattr" },
        { SMB_VFS_OP_FSETXATTR, "fsetxattr" },
+       { SMB_VFS_OP_AIO_READ,  "aio_read" },
+       { SMB_VFS_OP_AIO_WRITE, "aio_write" },
+       { SMB_VFS_OP_AIO_RETURN,"aio_return" },
+       { SMB_VFS_OP_AIO_CANCEL,"aio_cancel" },
+       { SMB_VFS_OP_AIO_ERROR, "aio_error" },
+       { SMB_VFS_OP_AIO_FSYNC, "aio_fsync" },
+       { SMB_VFS_OP_AIO_SUSPEND,"aio_suspend" },
        { SMB_VFS_OP_LAST, NULL }
 };     
 
@@ -1835,6 +1865,84 @@ static int smb_full_audit_fsetxattr(struct vfs_handle_struct *handle,
        return result;
 }
 
+static int smb_full_audit_aio_read(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
+{
+       int result;
+
+       result = SMB_VFS_NEXT_AIO_READ(handle, fsp, aiocb);
+       do_log(SMB_VFS_OP_AIO_READ, (result >= 0), handle,
+               "%s", fsp->fsp_name);
+
+       return result;
+}
+
+static int smb_full_audit_aio_write(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
+{
+       int result;
+
+       result = SMB_VFS_NEXT_AIO_WRITE(handle, fsp, aiocb);
+       do_log(SMB_VFS_OP_AIO_WRITE, (result >= 0), handle,
+               "%s", fsp->fsp_name);
+
+       return result;
+}
+
+static ssize_t smb_full_audit_aio_return(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
+{
+       int result;
+
+       result = SMB_VFS_NEXT_AIO_RETURN(handle, fsp, aiocb);
+       do_log(SMB_VFS_OP_AIO_RETURN, (result >= 0), handle,
+               "%s", fsp->fsp_name);
+
+       return result;
+}
+
+static int smb_full_audit_aio_cancel(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd, SMB_STRUCT_AIOCB *aiocb)
+{
+       int result;
+
+       result = SMB_VFS_NEXT_AIO_CANCEL(handle, fsp, fd, aiocb);
+       do_log(SMB_VFS_OP_AIO_CANCEL, (result >= 0), handle,
+               "%s", fsp->fsp_name);
+
+       return result;
+}
+
+static int smb_full_audit_aio_error(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
+{
+       int result;
+
+       result = SMB_VFS_NEXT_AIO_ERROR(handle, fsp, aiocb);
+       do_log(SMB_VFS_OP_AIO_ERROR, (result >= 0), handle,
+               "%s", fsp->fsp_name);
+
+       return result;
+}
+
+static int smb_full_audit_aio_fsync(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb)
+{
+       int result;
+
+       result = SMB_VFS_NEXT_AIO_FSYNC(handle, fsp, op, aiocb);
+       do_log(SMB_VFS_OP_AIO_FSYNC, (result >= 0), handle,
+               "%s", fsp->fsp_name);
+
+       return result;
+}
+
+static int smb_full_audit_aio_suspend(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *ts)
+{
+       int result;
+
+       result = SMB_VFS_NEXT_AIO_SUSPEND(handle, fsp, aiocb, n, ts);
+       do_log(SMB_VFS_OP_AIO_SUSPEND, (result >= 0), handle,
+               "%s", fsp->fsp_name);
+
+       return result;
+}
+
+
 NTSTATUS vfs_full_audit_init(void)
 {
        NTSTATUS ret = smb_register_vfs(SMB_VFS_INTERFACE_VERSION,
index 24563042615c0cea26f612bb8ef5be967d5651ad..ff410a01db6a7f9e5bd175350c62f6d5b1c925c0 100644 (file)
@@ -360,6 +360,7 @@ typedef struct
        char *fstype;
        char **szVfsObjects;
        char *szMSDfsProxy;
+       char *szAioWriteBehind;
        int iMinPrintSpace;
        int iMaxPrintJobs;
        int iMaxReportedPrintJobs;
@@ -437,6 +438,8 @@ typedef struct
        BOOL bEASupport;
        BOOL bAclCheckPermissions;
        int iallocation_roundup_size;
+       int iAioReadSize;
+       int iAioWriteSize;
        param_opt_struct *param_opt;
 
        char dummy[3];          /* for alignment */
@@ -488,6 +491,7 @@ static service sDefault = {
        NULL,                   /* fstype */
        NULL,                   /* vfs objects */
        NULL,                   /* szMSDfsProxy */
+       NULL,                   /* szAioWriteBehind */
        0,                      /* iMinPrintSpace */
        1000,                   /* iMaxPrintJobs */
        0,                      /* iMaxReportedPrintJobs */
@@ -565,6 +569,8 @@ static service sDefault = {
        False,                  /* bEASupport */
        True,                   /* bAclCheckPermissions */
        SMB_ROUNDUP_ALLOCATION_SIZE,            /* iallocation_roundup_size */
+       0,                      /* iAioReadSize */
+       0,                      /* iAioWriteSize */
        
        NULL,                   /* Parametric options */
 
@@ -914,6 +920,9 @@ static struct parm_struct parm_table[] = {
        {N_("Protocol Options"), P_SEP, P_SEPARATOR}, 
 
        {"allocation roundup size", P_INTEGER, P_LOCAL, &sDefault.iallocation_roundup_size, NULL, NULL, FLAG_ADVANCED}, 
+       {"aio read size", P_INTEGER, P_LOCAL, &sDefault.iAioReadSize, NULL, NULL, FLAG_ADVANCED}, 
+       {"aio write size", P_INTEGER, P_LOCAL, &sDefault.iAioWriteSize, NULL, NULL, FLAG_ADVANCED}, 
+       {"aio write behind", P_STRING, P_LOCAL, &sDefault.szAioWriteBehind, NULL, NULL, FLAG_ADVANCED | FLAG_SHARE | FLAG_GLOBAL }, 
        {"smb ports", P_STRING, P_GLOBAL, &Globals.smb_ports, NULL, NULL, FLAG_ADVANCED}, 
        {"large readwrite", P_BOOL, P_GLOBAL, &Globals.bLargeReadwrite, NULL, NULL, FLAG_ADVANCED}, 
        {"max protocol", P_ENUM, P_GLOBAL, &Globals.maxprotocol, NULL, enum_protocol, FLAG_ADVANCED}, 
@@ -1914,6 +1923,7 @@ FN_LOCAL_STRING(lp_veto_files, szVetoFiles)
 FN_LOCAL_STRING(lp_hide_files, szHideFiles)
 FN_LOCAL_STRING(lp_veto_oplocks, szVetoOplockFiles)
 FN_LOCAL_BOOL(lp_msdfs_root, bMSDfsRoot)
+FN_LOCAL_STRING(lp_aio_write_behind, szAioWriteBehind)
 FN_LOCAL_BOOL(lp_autoloaded, autoloaded)
 FN_LOCAL_BOOL(lp_preexec_close, bPreexecClose)
 FN_LOCAL_BOOL(lp_rootpreexec_close, bRootpreexecClose)
@@ -1987,6 +1997,8 @@ FN_LOCAL_INTEGER(lp_csc_policy, iCSCPolicy)
 FN_LOCAL_INTEGER(lp_write_cache_size, iWriteCacheSize)
 FN_LOCAL_INTEGER(lp_block_size, iBlock_size)
 FN_LOCAL_INTEGER(lp_allocation_roundup_size, iallocation_roundup_size);
+FN_LOCAL_INTEGER(lp_aio_read_size, iAioReadSize);
+FN_LOCAL_INTEGER(lp_aio_write_size, iAioWriteSize);
 FN_LOCAL_CHAR(lp_magicchar, magic_char)
 FN_GLOBAL_INTEGER(lp_winbind_cache_time, &Globals.winbind_cache_time)
 FN_GLOBAL_INTEGER(lp_winbind_max_idle_children, &Globals.winbind_max_idle_children)
diff --git a/source3/smbd/aio.c b/source3/smbd/aio.c
new file mode 100644 (file)
index 0000000..7910ee5
--- /dev/null
@@ -0,0 +1,748 @@
+/*
+   Unix SMB/Netbios implementation.
+   Version 3.0
+   async_io read handling using POSIX async io.
+   Copyright (C) Jeremy Allison 2005.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+#if defined(WITH_AIO)
+
+/* The signal we'll use to signify aio done. */
+#ifndef RT_SIGNAL_AIO
+#define RT_SIGNAL_AIO (SIGRTMIN+3)
+#endif
+
+/****************************************************************************
+ The buffer we keep around whilst an aio request is in process.
+*****************************************************************************/
+
+struct aio_extra {
+       struct aio_extra *next, *prev;
+       SMB_STRUCT_AIOCB acb;
+       files_struct *fsp;
+       BOOL read_req;
+       uint16 mid;
+       char *inbuf;
+       char *outbuf;
+};
+
+static struct aio_extra *aio_list_head;
+
+/****************************************************************************
+ Create the extended aio struct we must keep around for the lifetime
+ of the aio_read call.
+*****************************************************************************/
+
+static struct aio_extra *create_aio_ex_read(files_struct *fsp, size_t buflen, uint16 mid)
+{
+       struct aio_extra *aio_ex = SMB_MALLOC_P(struct aio_extra);
+
+       if (!aio_ex) {
+               return NULL;
+       }
+       ZERO_STRUCTP(aio_ex);
+       /* The output buffer stored in the aio_ex is the start of
+          the smb return buffer. The buffer used in the acb
+          is the start of the reply data portion of that buffer. */
+       aio_ex->outbuf = SMB_MALLOC_ARRAY(char, buflen);
+       if (!aio_ex->outbuf) {
+               SAFE_FREE(aio_ex);
+               return NULL;
+       }
+       DLIST_ADD(aio_list_head, aio_ex);
+       aio_ex->fsp = fsp;
+       aio_ex->read_req = True;
+       aio_ex->mid = mid;
+       return aio_ex;
+}
+
+/****************************************************************************
+ Create the extended aio struct we must keep around for the lifetime
+ of the aio_write call.
+*****************************************************************************/
+
+static struct aio_extra *create_aio_ex_write(files_struct *fsp, size_t outbuflen, uint16 mid)
+{
+       struct aio_extra *aio_ex = SMB_MALLOC_P(struct aio_extra);
+
+       if (!aio_ex) {
+               return NULL;
+       }
+       ZERO_STRUCTP(aio_ex);
+
+       /* We need space for an output reply of outbuflen bytes. */
+       aio_ex->outbuf = SMB_MALLOC_ARRAY(char, outbuflen);
+       if (!aio_ex->outbuf) {
+               SAFE_FREE(aio_ex);
+               return NULL;
+       }
+       /* Steal the input buffer containing the write data from the main SMB call. */
+       /* We must re-allocate a new one here. */
+       if (NewInBuffer(&aio_ex->inbuf) == NULL) {
+               SAFE_FREE(aio_ex->outbuf);
+               SAFE_FREE(aio_ex);
+               return NULL;
+       }
+
+       /* aio_ex->inbuf now contains the stolen old InBuf containing the data to write. */
+
+       DLIST_ADD(aio_list_head, aio_ex);
+       aio_ex->fsp = fsp;
+       aio_ex->read_req = False;
+       aio_ex->mid = mid;
+       return aio_ex;
+}
+
+/****************************************************************************
+ Delete the extended aio struct.
+*****************************************************************************/
+
+static void delete_aio_ex(struct aio_extra *aio_ex)
+{
+       DLIST_REMOVE(aio_list_head, aio_ex);
+       /* Safe to do as we've removed ourselves from the in use list first. */
+       free_InBuffer(aio_ex->inbuf);
+
+       SAFE_FREE(aio_ex->outbuf);
+       SAFE_FREE(aio_ex);
+}
+
+/****************************************************************************
+ Given the aiocb struct find the extended aio struct containing it.
+*****************************************************************************/
+
+static struct aio_extra *find_aio_ex(uint16 mid)
+{
+       struct aio_extra *p;
+
+       for( p = aio_list_head; p; p = p->next) {
+               if (mid == p->mid) {
+                       return p;
+               }
+       }
+       return NULL;
+}
+
+/****************************************************************************
+ We can have these many aio buffers in flight.
+*****************************************************************************/
+
+#define AIO_PENDING_SIZE 10
+static sig_atomic_t signals_received;
+static int outstanding_aio_calls;
+static uint16 aio_pending_array[AIO_PENDING_SIZE];
+
+/****************************************************************************
+ Signal handler when an aio request completes.
+*****************************************************************************/
+
+static void signal_handler(int sig, siginfo_t *info, void *unused)
+{
+       if (signals_received < AIO_PENDING_SIZE - 1) {
+               aio_pending_array[signals_received] = *(uint16 *)(info->si_value.sival_ptr);
+               signals_received++;
+       } /* Else signal is lost. */
+       sys_select_signal(RT_SIGNAL_AIO);
+}
+
+/****************************************************************************
+ Is there a signal waiting ?
+*****************************************************************************/
+
+BOOL aio_finished(void)
+{
+       return (signals_received != 0);
+}
+
+/****************************************************************************
+ Initialize the signal handler for aio read/write.
+*****************************************************************************/
+
+void initialize_async_io_handler(void)
+{
+       struct sigaction act;
+
+       ZERO_STRUCT(act);
+       act.sa_sigaction = signal_handler;
+       act.sa_flags = SA_SIGINFO;
+       sigemptyset( &act.sa_mask );
+       if (sigaction(RT_SIGNAL_AIO, &act, NULL) != 0) {
+                DEBUG(0,("Failed to setup RT_SIGNAL_AIO handler\n"));
+        }
+
+       /* the signal can start off blocked due to a bug in bash */
+       BlockSignals(False, RT_SIGNAL_AIO);
+}
+
+/****************************************************************************
+ Set up an aio request from a SMBreadX call.
+*****************************************************************************/
+
+BOOL schedule_aio_read_and_X(connection_struct *conn,
+                            char *inbuf, char *outbuf,
+                            int length, int len_outbuf,
+                            files_struct *fsp, SMB_OFF_T startpos,
+                            size_t smb_maxcnt)
+{
+       struct aio_extra *aio_ex;
+       SMB_STRUCT_AIOCB *a;
+       size_t bufsize;
+       size_t min_aio_read_size = lp_aio_read_size(SNUM(conn));
+
+       if (!min_aio_read_size || (smb_maxcnt < min_aio_read_size)) {
+               /* Too small a read for aio request. */
+               DEBUG(10,("schedule_aio_read_and_X: read size (%u) too small "
+                         "for minimum aio_read of %u\n",
+                         (unsigned int)smb_maxcnt,
+                         (unsigned int)min_aio_read_size ));
+               return False;
+       }
+
+       /* Only do this on non-chained and non-chaining reads not using the write cache. */
+        if (chain_size !=0 || (CVAL(inbuf,smb_vwv0) != 0xFF) || (lp_write_cache_size(SNUM(conn)) != 0) ) {
+               return False;
+       }
+
+       if (outstanding_aio_calls >= AIO_PENDING_SIZE) {
+               DEBUG(10,("schedule_aio_read_and_X: Already have %d aio activities outstanding.\n",
+                         outstanding_aio_calls ));
+               return False;
+       }
+
+       /* The following is safe from integer wrap as we've already
+          checked smb_maxcnt is 128k or less. */
+       bufsize = PTR_DIFF(smb_buf(outbuf),outbuf) + smb_maxcnt;
+
+       if ((aio_ex = create_aio_ex_read(fsp, bufsize, SVAL(inbuf,smb_mid))) == NULL) {
+               DEBUG(10,("schedule_aio_read_and_X: malloc fail.\n"));
+               return False;
+       }
+
+       /* Copy the SMB header already setup in outbuf. */
+       memcpy(aio_ex->outbuf, outbuf, smb_buf(outbuf) - outbuf);
+       SCVAL(aio_ex->outbuf,smb_vwv0,0xFF); /* Never a chained reply. */
+
+       a = &aio_ex->acb;
+
+       /* Now set up the aio record for the read call. */
+       
+       a->aio_fildes = fsp->fd;
+       a->aio_buf = smb_buf(aio_ex->outbuf);
+       a->aio_nbytes = smb_maxcnt;
+       a->aio_offset = startpos;
+       a->aio_sigevent.sigev_notify = SIGEV_SIGNAL;
+       a->aio_sigevent.sigev_signo  = RT_SIGNAL_AIO;
+       a->aio_sigevent.sigev_value.sival_ptr = (void *)&aio_ex->mid;
+
+       if (SMB_VFS_AIO_READ(fsp,a) == -1) {
+               DEBUG(0,("schedule_aio_read_and_X: aio_read failed. Error %s\n",
+                       strerror(errno) ));
+               delete_aio_ex(aio_ex);
+               return False;
+       }
+
+       DEBUG(10,("schedule_aio_read_and_X: scheduled aio_read for file %s, offset %.0f, len = %u (mid = %u)\n",
+               fsp->fsp_name, (double)startpos, (unsigned int)smb_maxcnt, (unsigned int)aio_ex->mid ));
+
+       srv_defer_sign_response(aio_ex->mid);
+       outstanding_aio_calls++;
+       return True;
+}
+
+/****************************************************************************
+ Set up an aio request from a SMBwriteX call.
+*****************************************************************************/
+
+BOOL schedule_aio_write_and_X(connection_struct *conn,
+                               char *inbuf, char *outbuf,
+                               int length, int len_outbuf,
+                               files_struct *fsp, char *data,
+                               SMB_OFF_T startpos,
+                               size_t numtowrite)
+{
+       struct aio_extra *aio_ex;
+       SMB_STRUCT_AIOCB *a;
+       size_t outbufsize;
+       BOOL write_through = BITSETW(inbuf+smb_vwv7,0);
+       size_t min_aio_write_size = lp_aio_write_size(SNUM(conn));
+
+       if (!min_aio_write_size || (numtowrite < min_aio_write_size)) {
+               /* Too small a write for aio request. */
+               DEBUG(10,("schedule_aio_write_and_X: write size (%u) too small "
+                         "for minimum aio_write of %u\n",
+                         (unsigned int)numtowrite,
+                         (unsigned int)min_aio_write_size ));
+               return False;
+       }
+
+       /* Only do this on non-chained and non-chaining reads not using the write cache. */
+        if (chain_size !=0 || (CVAL(inbuf,smb_vwv0) != 0xFF) || (lp_write_cache_size(SNUM(conn)) != 0) ) {
+               return False;
+       }
+
+       if (outstanding_aio_calls >= AIO_PENDING_SIZE) {
+               DEBUG(3,("schedule_aio_write_and_X: Already have %d aio activities outstanding.\n",
+                         outstanding_aio_calls ));
+               DEBUG(10,("schedule_aio_write_and_X: failed to schedule aio_write for file %s, offset %.0f, len = %u (mid = %u)\n",
+                       fsp->fsp_name, (double)startpos, (unsigned int)numtowrite, (unsigned int)SVAL(inbuf,smb_mid) ));
+               return False;
+       }
+
+       outbufsize = smb_len(outbuf) + 4;
+       if ((aio_ex = create_aio_ex_write(fsp, outbufsize, SVAL(inbuf,smb_mid))) == NULL) {
+               DEBUG(0,("schedule_aio_write_and_X: malloc fail.\n"));
+               return False;
+       }
+
+       /* Paranioa.... */
+       SMB_ASSERT(aio_ex->inbuf == inbuf);
+
+       /* Copy the SMB header already setup in outbuf. */
+       memcpy(aio_ex->outbuf, outbuf, outbufsize);
+       SCVAL(aio_ex->outbuf,smb_vwv0,0xFF); /* Never a chained reply. */
+
+       a = &aio_ex->acb;
+
+       /* Now set up the aio record for the write call. */
+       
+       a->aio_fildes = fsp->fd;
+       a->aio_buf = data; /* As we've stolen inbuf this points within inbuf. */
+       a->aio_nbytes = numtowrite;
+       a->aio_offset = startpos;
+       a->aio_sigevent.sigev_notify = SIGEV_SIGNAL;
+       a->aio_sigevent.sigev_signo  = RT_SIGNAL_AIO;
+       a->aio_sigevent.sigev_value.sival_ptr = (void *)&aio_ex->mid;
+
+       if (SMB_VFS_AIO_WRITE(fsp,a) == -1) {
+               DEBUG(3,("schedule_aio_wrote_and_X: aio_write failed. Error %s\n",
+                       strerror(errno) ));
+               /* Replace global InBuf as we're going to do a normal write. */
+               set_InBuffer(aio_ex->inbuf);
+               aio_ex->inbuf = NULL;
+               delete_aio_ex(aio_ex);
+               return False;
+       }
+
+       if (!write_through && !lp_syncalways(SNUM(fsp->conn)) && fsp->aio_write_behind) {
+               /* Lie to the client and immediately claim we finished the write. */
+               SSVAL(aio_ex->outbuf,smb_vwv2,numtowrite);
+                SSVAL(aio_ex->outbuf,smb_vwv4,(numtowrite>>16)&1);
+               show_msg(aio_ex->outbuf);
+               if (!send_smb(smbd_server_fd(),aio_ex->outbuf)) {
+                       exit_server("handle_aio_write: send_smb failed.");
+               }
+               DEBUG(10,("schedule_aio_write_and_X: scheduled aio_write behind for file %s\n",
+                       fsp->fsp_name ));
+       } else {
+               srv_defer_sign_response(aio_ex->mid);
+       }
+       outstanding_aio_calls++;
+
+       DEBUG(10,("schedule_aio_write_and_X: scheduled aio_write for file %s, \
+offset %.0f, len = %u (mid = %u) outstanding_aio_calls = %d\n",
+               fsp->fsp_name, (double)startpos, (unsigned int)numtowrite, (unsigned int)aio_ex->mid, outstanding_aio_calls ));
+
+       return True;
+}
+
+
+/****************************************************************************
+ Complete the read and return the data or error back to the client.
+ Returns errno or zero if all ok.
+*****************************************************************************/
+
+static int handle_aio_read_complete(struct aio_extra *aio_ex)
+{
+       int ret = 0;
+       int outsize;
+       char *outbuf = aio_ex->outbuf;
+       char *data = smb_buf(outbuf);
+       ssize_t nread = SMB_VFS_AIO_RETURN(aio_ex->fsp,&aio_ex->acb);
+
+       if (nread < 0) {
+               /* We're relying here on the fact that if the fd is
+                  closed then the aio will complete and aio_return
+                  will return an error. Hopefully this is
+                  true.... JRA. */
+
+               /* If errno is ECANCELED then don't return anything to the client. */
+               if (errno == ECANCELED) {
+                       srv_cancel_sign_response(aio_ex->mid);
+                       return 0;
+               }
+
+               DEBUG( 3,( "handle_aio_read_complete: file %s nread == -1. Error = %s\n",
+                       aio_ex->fsp->fsp_name, strerror(errno) ));
+
+               outsize = (UNIXERROR(ERRDOS,ERRnoaccess));
+               ret = errno;
+       } else {
+               outsize = set_message(outbuf,12,nread,False);
+               SSVAL(outbuf,smb_vwv2,0xFFFF); /* Remaining - must be * -1. */
+               SSVAL(outbuf,smb_vwv5,nread);
+               SSVAL(outbuf,smb_vwv6,smb_offset(data,outbuf));
+               SSVAL(outbuf,smb_vwv7,((nread >> 16) & 1));
+               SSVAL(smb_buf(outbuf),-2,nread);
+
+               DEBUG( 3, ( "handle_aio_read_complete file %s max=%d nread=%d\n",
+                       aio_ex->fsp->fsp_name,
+                       aio_ex->acb.aio_nbytes, (int)nread ) );
+
+       }
+       smb_setlen(outbuf,outsize - 4);
+       show_msg(outbuf);
+       if (!send_smb(smbd_server_fd(),outbuf)) {
+               exit_server("handle_aio_read_complete: send_smb failed.");
+       }
+
+       DEBUG(10,("handle_aio_read_complete: scheduled aio_read completed for file %s, offset %.0f, len = %u\n",
+               aio_ex->fsp->fsp_name, (double)aio_ex->acb.aio_offset, (unsigned int)nread ));
+
+       return ret;
+}
+
+/****************************************************************************
+ Complete the write and return the data or error back to the client.
+ Returns errno or zero if all ok.
+*****************************************************************************/
+
+static int handle_aio_write_complete(struct aio_extra *aio_ex)
+{
+       int ret = 0;
+       files_struct *fsp = aio_ex->fsp;
+       char *outbuf = aio_ex->outbuf;
+       ssize_t numtowrite = aio_ex->acb.aio_nbytes;
+       ssize_t nwritten = SMB_VFS_AIO_RETURN(fsp,&aio_ex->acb);
+
+       if (fsp->aio_write_behind) {
+               if (nwritten != numtowrite) {
+                       if (nwritten == -1) {
+                               DEBUG(5,("handle_aio_write_complete: aio_write_behind failed ! File %s is corrupt ! Error %s\n",
+                                       fsp->fsp_name, strerror(errno) ));
+                               ret = errno;
+                       } else {
+                               DEBUG(0,("handle_aio_write_complete: aio_write_behind failed ! File %s is corrupt ! \
+Wanted %u bytes but only wrote %d\n", fsp->fsp_name, (unsigned int)numtowrite, (int)nwritten ));
+                               ret = EIO;
+                       }
+               } else {
+                       DEBUG(10,("handle_aio_write_complete: aio_write_behind completed for file %s\n",
+                               fsp->fsp_name ));
+               }
+               return 0;
+       }
+
+       /* We don't need outsize or set_message here as we've already set the
+          fixed size length when we set up the aio call. */
+
+       if(nwritten == -1) {
+               DEBUG( 3,( "handle_aio_write: file %s wanted %u bytes. nwritten == %d. Error = %s\n",
+                       fsp->fsp_name, (unsigned int)numtowrite,
+                       (int)nwritten, strerror(errno) ));
+
+               /* If errno is ECANCELED then don't return anything to the client. */
+               if (errno == ECANCELED) {
+                       srv_cancel_sign_response(aio_ex->mid);
+                       return 0;
+               }
+
+               UNIXERROR(ERRHRD,ERRdiskfull);
+               ret = errno;
+        } else {
+               BOOL write_through = BITSETW(aio_ex->inbuf+smb_vwv7,0);
+
+               SSVAL(outbuf,smb_vwv2,nwritten);
+               SSVAL(outbuf,smb_vwv4,(nwritten>>16)&1);
+               if (nwritten < (ssize_t)numtowrite) {
+                       SCVAL(outbuf,smb_rcls,ERRHRD);
+                       SSVAL(outbuf,smb_err,ERRdiskfull);
+               }
+                                                                                                                                  
+               DEBUG(3,("handle_aio_write: fnum=%d num=%d wrote=%d\n", fsp->fnum, (int)numtowrite, (int)nwritten));
+               if (lp_syncalways(SNUM(fsp->conn)) || write_through) {
+                       sync_file(fsp->conn,fsp);
+               }
+       }
+
+       show_msg(outbuf);
+       if (!send_smb(smbd_server_fd(),outbuf)) {
+               exit_server("handle_aio_write: send_smb failed.");
+       }
+
+       DEBUG(10,("handle_aio_write_complete: scheduled aio_write completed for file %s, offset %.0f, requested %u, written = %u\n",
+               fsp->fsp_name, (double)aio_ex->acb.aio_offset, (unsigned int)numtowrite, (unsigned int)nwritten ));
+
+       return ret;
+}
+
+/****************************************************************************
+ Handle any aio completion. Returns True if finished (and sets *perr if err was non-zero),
+ False if not.
+*****************************************************************************/
+
+static BOOL handle_aio_completed(struct aio_extra *aio_ex, int *perr)
+{
+       int err;
+
+       /* Ensure the operation has really completed. */
+       if (SMB_VFS_AIO_ERROR(aio_ex->fsp, &aio_ex->acb) == EINPROGRESS) {
+               DEBUG(10,( "handle_aio_completed: operation mid %u still in process for file %s\n",
+                       aio_ex->mid, aio_ex->fsp->fsp_name ));
+               return False;
+       }
+
+       if (aio_ex->read_req) {
+               err = handle_aio_read_complete(aio_ex);
+       } else {
+               err = handle_aio_write_complete(aio_ex);
+       }
+
+       if (err) {
+               *perr = err; /* Only save non-zero errors. */
+       }
+
+       return True;
+}
+
+/****************************************************************************
+ Handle any aio completion inline.
+ Returns non-zero errno if fail or zero if all ok.
+*****************************************************************************/
+
+int process_aio_queue(void)
+{
+       int i;
+       int ret = 0;
+
+       BlockSignals(True, RT_SIGNAL_AIO);
+
+       DEBUG(10,("process_aio_queue: signals_received = %d\n", (int)signals_received));
+       DEBUG(10,("process_aio_queue: outstanding_aio_calls = %d\n", outstanding_aio_calls));
+
+       if (!signals_received) {
+               BlockSignals(False, RT_SIGNAL_AIO);
+               return 0;
+       }
+
+       /* Drain all the complete aio_reads. */
+       for (i = 0; i < signals_received; i++) {
+               uint16 mid = aio_pending_array[i];
+               files_struct *fsp = NULL;
+               struct aio_extra *aio_ex = find_aio_ex(mid);
+
+               if (!aio_ex) {
+                       DEBUG(3,("process_aio_queue: Can't find record to match mid %u.\n",
+                               (unsigned int)mid));
+                       srv_cancel_sign_response(mid);
+                       continue;
+               }
+
+               fsp = aio_ex->fsp;
+               if (fsp == NULL) {
+                       /* file was closed whilst I/O was outstanding. Just ignore. */
+                       DEBUG( 3,( "process_aio_queue: file closed whilst aio outstanding.\n"));
+                       srv_cancel_sign_response(mid);
+                       continue;
+               }
+
+               if (!handle_aio_completed(aio_ex, &ret)) {
+                       continue;
+               }
+
+               delete_aio_ex(aio_ex);
+       }
+
+       outstanding_aio_calls -= signals_received;
+       signals_received = 0;
+       BlockSignals(False, RT_SIGNAL_AIO);
+       return ret;
+}
+
+/****************************************************************************
+ We're doing write behind and the client closed the file. Wait up to 30 seconds
+ (my arbitrary choice) for the aio to complete. Return 0 if all writes completed,
+ errno to return if not.
+*****************************************************************************/
+
+#define SMB_TIME_FOR_AIO_COMPLETE_WAIT 29
+
+BOOL wait_for_aio_completion(files_struct *fsp)
+{
+       struct aio_extra *aio_ex;
+       const SMB_STRUCT_AIOCB **aiocb_list;
+       int aio_completion_count = 0;
+       time_t start_time = time(NULL);
+       int seconds_left;
+       int ret = 0;
+
+       for (seconds_left = SMB_TIME_FOR_AIO_COMPLETE_WAIT; seconds_left >= 0;) {
+               int err = 0;
+               int i;
+               struct timespec ts;
+
+               aio_completion_count = 0;
+               for( aio_ex = aio_list_head; aio_ex; aio_ex = aio_ex->next) {
+                       if (aio_ex->fsp == fsp) {
+                               aio_completion_count++;
+                       }
+               }
+
+               if (!aio_completion_count) {
+                       return ret;
+               }
+
+               DEBUG(3,("wait_for_aio_completion: waiting for %d aio events to complete.\n",
+                       aio_completion_count ));
+
+               aiocb_list = SMB_MALLOC_ARRAY(const SMB_STRUCT_AIOCB *, aio_completion_count);
+               if (!aiocb_list) {
+                       return False;
+               }
+
+               for( i = 0, aio_ex = aio_list_head; aio_ex; aio_ex = aio_ex->next) {
+                       if (aio_ex->fsp == fsp) {
+                               aiocb_list[i++] = &aio_ex->acb;
+                       }
+               }
+
+               /* Now wait up to seconds_left for completion. */
+               ts.tv_sec = seconds_left;
+               ts.tv_nsec = 0;
+
+               DEBUG(10,("wait_for_aio_completion: %d events, doing a wait of %d seconds.\n",
+                       aio_completion_count, seconds_left ));
+
+               err = SMB_VFS_AIO_SUSPEND(fsp, aiocb_list, aio_completion_count, &ts);
+
+               DEBUG(10,("wait_for_aio_completion: returned err = %d, errno = %s\n",
+                       err, strerror(errno) ));
+               
+               if (err == -1 && errno == EAGAIN) {
+                       DEBUG(0,("wait_for_aio_completion: aio_suspend timed out waiting for %d events after a wait of %d seconds\n",
+                                       aio_completion_count, seconds_left));
+                       /* Timeout. */
+                       cancel_aio_by_fsp(fsp);
+                       SAFE_FREE(aiocb_list);
+                       return ret ? ret : EIO;
+               }
+
+               /* One or more events might have completed - process them if so. */
+               for( i = 0; i < aio_completion_count; i++) {
+                       uint16 mid = *(uint16 *)aiocb_list[i]->aio_sigevent.sigev_value.sival_ptr;
+
+                       aio_ex = find_aio_ex(mid);
+
+                       if (!handle_aio_completed(aio_ex, &err)) {
+                               continue;
+                       }
+                       delete_aio_ex(aio_ex);
+               }
+
+               SAFE_FREE(aiocb_list);
+               seconds_left = SMB_TIME_FOR_AIO_COMPLETE_WAIT - (time(NULL) - start_time);
+       }
+
+       /* We timed out - we don't know why. Return ret if already an error, else EIO. */
+       DEBUG(10,("wait_for_aio_completion: aio_suspend timed out waiting for %d events\n",
+                       aio_completion_count));
+
+       return ret ? ret : EIO;
+}
+
+/****************************************************************************
+ Cancel any outstanding aio requests. The client doesn't care about the reply.
+*****************************************************************************/
+
+void cancel_aio_by_fsp(files_struct *fsp)
+{
+       struct aio_extra *aio_ex;
+
+       for( aio_ex = aio_list_head; aio_ex; aio_ex = aio_ex->next) {
+               if (aio_ex->fsp == fsp) {
+                       /* Don't delete the aio_extra record as we may have completed
+                          and don't yet know it. Just do the aio_cancel call and return. */
+                       SMB_VFS_AIO_CANCEL(fsp,fsp->fd, &aio_ex->acb);
+                       aio_ex->fsp = NULL; /* fsp will be closed when we return. */
+               }
+       }
+}
+
+/****************************************************************************
+ Check if a buffer was stolen for aio use.
+*****************************************************************************/
+
+BOOL aio_inbuffer_in_use(char *inbuf)
+{
+       struct aio_extra *aio_ex;
+
+       for( aio_ex = aio_list_head; aio_ex; aio_ex = aio_ex->next) {
+               if (aio_ex->inbuf == inbuf) {
+                       return True;
+               }
+       }
+       return False;
+}
+#else
+BOOL aio_finished(void)
+{
+       return False;
+}
+
+void initialize_async_io_handler(void)
+{
+}
+
+int process_aio_queue(void)
+{
+       return False;
+}
+
+BOOL schedule_aio_read_and_X(connection_struct *conn,
+                            char *inbuf, char *outbuf,
+                            int length, int len_outbuf,
+                            files_struct *fsp, SMB_OFF_T startpos,
+                            size_t smb_maxcnt)
+{
+       return False;
+}
+
+BOOL schedule_aio_write_and_X(connection_struct *conn,
+                                char *inbuf, char *outbuf,
+                                int length, int len_outbuf,
+                                files_struct *fsp, char *data,
+                                SMB_OFF_T startpos,
+                                size_t numtowrite)
+{
+       return False;
+}
+
+void cancel_aio_by_fsp(files_struct *fsp)
+{
+}
+
+BOOL wait_for_aio_completion(files_struct *fsp)
+{
+       return True;
+}
+
+BOOL aio_inbuffer_in_use(char *ptr)
+{
+       return False;
+}
+#endif
index 0e71174a2ee10af77f5d6ac18126f4b0413fe827..72d021d4e64b2f53f0289a488535c5cd6a740681 100644 (file)
@@ -20,8 +20,6 @@
 
 #include "includes.h"
 
-extern char *OutBuffer;
-
 /****************************************************************************
  This is the structure to queue to implement blocking locks.
  notify. It consists of the requesting SMB and the expiry time.
@@ -175,7 +173,7 @@ static void send_blocking_reply(char *outbuf, int outsize)
 
 static void reply_lockingX_success(blocking_lock_record *blr)
 {
-       char *outbuf = OutBuffer;
+       char *outbuf = get_OutBuffer();
        int bufsize = BUFFER_SIZE;
        char *inbuf = blr->inbuf;
        int outsize = 0;
@@ -204,7 +202,7 @@ static void reply_lockingX_success(blocking_lock_record *blr)
 
 static void generic_blocking_lock_error(blocking_lock_record *blr, NTSTATUS status)
 {
-       char *outbuf = OutBuffer;
+       char *outbuf = get_OutBuffer();
        char *inbuf = blr->inbuf;
        construct_reply_common(inbuf, outbuf);
 
@@ -295,7 +293,7 @@ static void blocking_lock_reply_error(blocking_lock_record *blr, NTSTATUS status
 
 static BOOL process_lockread(blocking_lock_record *blr)
 {
-       char *outbuf = OutBuffer;
+       char *outbuf = get_OutBuffer();
        char *inbuf = blr->inbuf;
        ssize_t nread = -1;
        char *data, *p;
@@ -367,7 +365,7 @@ static BOOL process_lockread(blocking_lock_record *blr)
 
 static BOOL process_lock(blocking_lock_record *blr)
 {
-       char *outbuf = OutBuffer;
+       char *outbuf = get_OutBuffer();
        char *inbuf = blr->inbuf;
        int outsize;
        SMB_BIG_UINT count = (SMB_BIG_UINT)0, offset = (SMB_BIG_UINT)0;
index b3244432ff559be4a6146f2aedb017522f663808..b7649bcce4f52a4ec536f21f48fd2a8cd7549024 100644 (file)
@@ -156,6 +156,20 @@ static int close_normal_file(files_struct *fsp, BOOL normal_close)
 
        remove_pending_lock_requests_by_fid(fsp);
 
+       if (fsp->aio_write_behind) {
+               /*
+                * If we're finishing write behind on a close we can get a write
+                * error here, we must remember this.
+                */
+               int ret = wait_for_aio_completion(fsp);
+               if (ret) {
+                       saved_errno = ret;
+                       err1 = -1;
+               }
+       } else {
+               cancel_aio_by_fsp(fsp);
+       }
        /*
         * If we're flushing on a close we can get a write
         * error here, we must remember this.
index dc7dec4e970087aa72f7be690620b1f809dcc413..534a3367d48781a18a3dc01c3ea67bae33ccb63b 100644 (file)
@@ -257,6 +257,7 @@ void conn_free(connection_struct *conn)
        free_namearray(conn->veto_list);
        free_namearray(conn->hide_list);
        free_namearray(conn->veto_oplock_list);
+       free_namearray(conn->aio_write_behind_list);
        
        string_free(&conn->user);
        string_free(&conn->dirpath);
index 92b86f350c756f8039057c54d02f80ce5a143fc0..ad49dc0a2115b112dcecde9ab3e1081252f0b726 100644 (file)
@@ -60,6 +60,7 @@ static void change_notify_reply_packet(char *inbuf, NTSTATUS error_code)
         */
        set_message(outbuf,18,0,False);
 
+       show_msg(outbuf);
        if (!send_smb(smbd_server_fd(),outbuf))
                exit_server("change_notify_reply_packet: send_smb failed.");
 }
index 8b30776fdd6d35d2fb7893f35d9c51e8f65fbe69..9da53a5057a96116e457157010bfbd7cb6ff5c4d 100644 (file)
@@ -316,6 +316,10 @@ static BOOL open_file(files_struct *fsp,connection_struct *conn,
        fsp->is_directory = False;
        fsp->is_stat = False;
        fsp->directory_delete_on_close = False;
+       if (conn->aio_write_behind_list && is_in_path(fname, conn->aio_write_behind_list, conn->case_sensitive)) {
+               fsp->aio_write_behind = True;
+       }
+
        string_set(&fsp->fsp_name,fname);
        fsp->wcp = NULL; /* Write cache pointer. */
 
index 9b8df98fd564077ba449e9c1f406c0d34c6ba93c..8208fbebe34f3fcc7b5558361b20fed48c0558d5 100644 (file)
@@ -634,6 +634,7 @@ static BOOL oplock_break_level2(files_struct *fsp, BOOL local_request)
                /* Save the server smb signing state. */
                sign_state = srv_oplock_set_signing(False);
 
+               show_msg(outbuf);
                if (!send_smb(smbd_server_fd(), outbuf))
                        exit_server("oplock_break_level2: send_smb failed.");
 
@@ -677,7 +678,9 @@ static BOOL oplock_break_level2(files_struct *fsp, BOOL local_request)
 static BOOL oplock_break(SMB_DEV_T dev, SMB_INO_T inode, unsigned long file_id, BOOL local_request)
 {
        char *inbuf = NULL;
+       char *saved_inbuf = NULL;
        char *outbuf = NULL;
+       char *saved_outbuf = NULL;
        files_struct *fsp = NULL;
        time_t start_time;
        BOOL shutdown_server = False;
@@ -740,14 +743,15 @@ static BOOL oplock_break(SMB_DEV_T dev, SMB_INO_T inode, unsigned long file_id,
         * messages crossing on the wire.
         */
 
-       if((inbuf = (char *)SMB_MALLOC(BUFFER_SIZE + LARGE_WRITEX_HDR_SIZE + SAFETY_MARGIN))==NULL) {
+       if((inbuf = NewInBuffer(&saved_inbuf))==NULL) {
                DEBUG(0,("oplock_break: malloc fail for input buffer.\n"));
                return False;
        }
 
-       if((outbuf = (char *)SMB_MALLOC(BUFFER_SIZE + LARGE_WRITEX_HDR_SIZE + SAFETY_MARGIN))==NULL) {
+       if((outbuf = NewOutBuffer(&saved_outbuf))==NULL) {
                DEBUG(0,("oplock_break: malloc fail for output buffer.\n"));
-               SAFE_FREE(inbuf);
+               set_InBuffer(saved_inbuf);
+               free_InBuffer(inbuf);
                return False;
        }
 
@@ -778,6 +782,7 @@ static BOOL oplock_break(SMB_DEV_T dev, SMB_INO_T inode, unsigned long file_id,
        /* Save the server smb signing state. */
        sign_state = srv_oplock_set_signing(False);
 
+       show_msg(outbuf);
        if (!send_smb(smbd_server_fd(), outbuf)) {
                srv_oplock_set_signing(sign_state);
                exit_server("oplock_break: send_smb failed.");
@@ -823,11 +828,16 @@ static BOOL oplock_break(SMB_DEV_T dev, SMB_INO_T inode, unsigned long file_id,
         * From Charles Hoch <hoch@exemplary.com>. If the break processing
         * code closes the file (as it often does), then the fsp pointer here
         * points to free()'d memory. We *must* revalidate fsp each time
-        * around the loop.
+        * around the loop. With async I/O, write calls may steal the global InBuffer,
+        * so ensure we're using the correct one each time around the loop.
         */
 
        while((fsp = initial_break_processing(dev, inode, file_id)) &&
                        OPEN_FSP(fsp) && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
+
+               inbuf = get_InBuffer();
+               outbuf = get_OutBuffer();
+
                if(receive_smb(smbd_server_fd(),inbuf, timeout) == False) {
                        /*
                         * Die if we got an error.
@@ -899,9 +909,13 @@ static BOOL oplock_break(SMB_DEV_T dev, SMB_INO_T inode, unsigned long file_id,
        /* Restore the chain fnum. */
        file_chain_restore();
 
+       /* Restore the global In/Out buffers. */
+       set_InBuffer(saved_inbuf);
+       set_OutBuffer(saved_outbuf);
+
        /* Free the buffers we've been using to recurse. */
-       SAFE_FREE(inbuf);
-       SAFE_FREE(outbuf);
+       free_InBuffer(inbuf);
+       free_OutBuffer(outbuf);
 
        /* We need this in case a readraw crossed on the wire. */
        if(global_oplock_break)
index c4c1debbf38912cfa4d70d314b1974315dfc51c9..94d4b8d9032a8ff2bdc000cc6fa168e307bf584d 100644 (file)
@@ -28,8 +28,7 @@ extern int smb_echo_count;
 struct timeval smb_last_time;
 
 static char *InBuffer = NULL;
-char *OutBuffer = NULL;
-char *last_inbuf = NULL;
+static char *OutBuffer = NULL;
 
 /* 
  * Size of data we can send to client. Set
@@ -287,11 +286,17 @@ static void async_processing(char *buffer, int buffer_len)
 {
        DEBUG(10,("async_processing: Doing async processing.\n"));
 
+       process_aio_queue();
+
        /* check for oplock messages (both UDP and kernel) */
        if (receive_local_message(buffer, buffer_len, 1)) {
                process_local_message(buffer, buffer_len);
        }
 
+       /* Do the aio check again after receive_local_message as it does a select
+          and may have eaten our signal. */
+       process_aio_queue();
+
        if (got_sig_term) {
                exit_server("Caught TERM signal");
        }
@@ -981,8 +986,6 @@ static int switch_message(int type,char *inbuf,char *outbuf,int size,int bufsize
                                !check_access(smbd_server_fd(), lp_hostsallow(-1), lp_hostsdeny(-1))))
                        return(ERROR_DOS(ERRSRV,ERRaccess));
 
-               last_inbuf = inbuf;
-
                outsize = smb_messages[type].fn(conn, inbuf,outbuf,size,bufsize);
        }
 
@@ -1511,24 +1514,106 @@ machine %s in domain %s.\n", global_myname(), lp_workgroup()));
 }
 
 /****************************************************************************
-  process commands from the client
+ Accessor functions for InBuffer, OutBuffer.
 ****************************************************************************/
 
-void smbd_process(void)
+char *get_InBuffer(void)
 {
-       time_t last_timeout_processing_time = time(NULL);
-       unsigned int num_smbs = 0;
-       const size_t total_buffer_size = BUFFER_SIZE + LARGE_WRITEX_HDR_SIZE + SAFETY_MARGIN;
+       return InBuffer;
+}
 
-       InBuffer = (char *)SMB_MALLOC(total_buffer_size);
-       OutBuffer = (char *)SMB_MALLOC(total_buffer_size);
-       if ((InBuffer == NULL) || (OutBuffer == NULL)) 
-               return;
+void set_InBuffer(char *new_inbuf)
+{
+       InBuffer = new_inbuf;
+}
+
+char *get_OutBuffer(void)
+{
+       return OutBuffer;
+}
+
+void set_OutBuffer(char *new_outbuf)
+{
+       OutBuffer = new_outbuf;
+}
+
+/****************************************************************************
+ Free an InBuffer. Checks if not in use by aio system.
+ Must have been allocated by NewInBuffer.
+****************************************************************************/
+
+void free_InBuffer(char *inbuf)
+{
+       if (!aio_inbuffer_in_use(inbuf)) {
+               SAFE_FREE(inbuf);
+       }
+}
+
+/****************************************************************************
+ Free an OutBuffer. No outbuffers currently stolen by aio system.
+ Must have been allocated by NewInBuffer.
+****************************************************************************/
+
+void free_OutBuffer(char *outbuf)
+{
+       SAFE_FREE(outbuf);
+}
+
+const int total_buffer_size = (BUFFER_SIZE + LARGE_WRITEX_HDR_SIZE + SAFETY_MARGIN);
 
+/****************************************************************************
+ Allocate a new InBuffer. Returns the new and old ones.
+****************************************************************************/
+
+char *NewInBuffer(char **old_inbuf)
+{
+       char *new_inbuf = (char *)SMB_MALLOC(total_buffer_size);
+       if (!new_inbuf) {
+               return NULL;
+       }
+       if (old_inbuf) {
+               *old_inbuf = InBuffer;
+       }
+       InBuffer = new_inbuf;
 #if defined(DEVELOPER)
        clobber_region(SAFE_STRING_FUNCTION_NAME, SAFE_STRING_LINE, InBuffer, total_buffer_size);
+#endif
+       return InBuffer;
+}
+
+/****************************************************************************
+ Allocate a new OutBuffer. Returns the new and old ones.
+****************************************************************************/
+
+char *NewOutBuffer(char **old_outbuf)
+{
+       char *new_outbuf = (char *)SMB_MALLOC(total_buffer_size);
+       if (!new_outbuf) {
+               return NULL;
+       }
+       if (old_outbuf) {
+               *old_outbuf = OutBuffer;
+       }
+       OutBuffer = new_outbuf;
+#if defined(DEVELOPER)
        clobber_region(SAFE_STRING_FUNCTION_NAME, SAFE_STRING_LINE, OutBuffer, total_buffer_size);
 #endif
+       return OutBuffer;
+}
+
+/****************************************************************************
+ Process commands from the client
+****************************************************************************/
+
+void smbd_process(void)
+{
+       time_t last_timeout_processing_time = time(NULL);
+       unsigned int num_smbs = 0;
+
+       /* Allocate the primary Inbut/Output buffers. */
+
+       if ((NewInBuffer(NULL) == NULL) || (NewOutBuffer(NULL) == NULL)) 
+               return;
 
        max_recv = MIN(lp_maxxmit(),BUFFER_SIZE);
 
index 9a7c22320c95d059706740e99e095ae86ce6370b..312a3ace23cc99925dd7831f6d2883e35a7a796e 100644 (file)
@@ -2575,13 +2575,10 @@ int reply_read_and_X(connection_struct *conn, char *inbuf,char *outbuf,int lengt
                return ERROR_DOS(ERRDOS,ERRlock);
        }
 
-#if 0
-       /* Enable when the AIO code is moved over. JRA. */
        if (schedule_aio_read_and_X(conn, inbuf, outbuf, length, bufsize, fsp, startpos, smb_maxcnt)) {
                END_PROFILE(SMBreadX);
                return -1;
        }
-#endif
 
        nread = send_file_readX(conn, inbuf, outbuf, length, bufsize, fsp, startpos, smb_maxcnt);
        if (nread != -1)
@@ -2952,15 +2949,11 @@ int reply_write_and_X(connection_struct *conn, char *inbuf,char *outbuf,int leng
                nwritten = 0;
        } else {
 
-#if 0
-               /* Enable when AIO code is moved over. JRA. */
-
                if (schedule_aio_write_and_X(conn, inbuf, outbuf, length, bufsize,
                                        fsp,data,startpos,numtowrite)) {
                        END_PROFILE(SMBwriteX);
                        return -1;
                }
-#endif
 
                nwritten = write_file(fsp,data,startpos,numtowrite);
        }
index b40a8267cc9ad42da4ad5761bcaf07fb2f8a1b35..4217d821f4c9c4366b76ffea83516042ac11d52d 100644 (file)
@@ -30,7 +30,6 @@ int last_message = -1;
 /* a useful macro to debug the last message processed */
 #define LAST_MESSAGE() smb_fn_name(last_message)
 
-extern char *last_inbuf;
 extern struct auth_context *negprot_global_auth_context;
 extern pstring user_socket_options;
 extern SIG_ATOMIC_T got_sig_term;
@@ -635,6 +634,7 @@ void exit_server(const char *reason)
 
        if (!reason) {   
                int oldlevel = DEBUGLEVEL;
+               char *last_inbuf = get_InBuffer();
                DEBUGLEVEL = 10;
                DEBUG(0,("Last message was %s\n",smb_fn_name(last_message)));
                if (last_inbuf)
@@ -951,6 +951,9 @@ void build_options(BOOL screen);
        if (!init_change_notify())
                exit(1);
 
+       /* Setup aio signal handler. */
+       initialize_async_io_handler();
+
        /* re-initialise the timezone */
        TimeInit();
 
index b53d6e3ad9537ea0edf40ebef6a10f57dcd7447c..d330e847e2e6e837add42375413e15448cb455e5 100644 (file)
@@ -379,6 +379,7 @@ static connection_struct *make_connection_snum(int snum, user_struct *vuser,
        conn->veto_list = NULL;
        conn->hide_list = NULL;
        conn->veto_oplock_list = NULL;
+       conn->aio_write_behind_list = NULL;
        string_set(&conn->dirpath,"");
        string_set(&conn->user,user);
        conn->nt_user_token = NULL;
index 95fe571cff1a775a2ba6d87bab503de3f9eba0d6..1ddd6256b3184b8cbea7acd644d1590d9592cdb0 100644 (file)
@@ -96,6 +96,7 @@ static BOOL reply_sesssetup_blob(connection_struct *conn, char *outbuf,
 
        set_message_end(outbuf,p);
 
+       show_msg(outbuf);
        return send_smb(smbd_server_fd(),outbuf);
 }
 
index 5bf53fca8aaefde24e4c5e020525c58fdbd8869c..d4daf1fd69008fea20f3236dce3fffb71454a3c8 100644 (file)
@@ -591,6 +591,7 @@ static int send_trans2_replies(char *outbuf,
        /* If there genuinely are no parameters or data to send just send the empty packet */
 
        if(params_to_send == 0 && data_to_send == 0) {
+               show_msg(outbuf);
                if (!send_smb(smbd_server_fd(),outbuf))
                        exit_server("send_trans2_replies: send_smb failed.");
                return 0;
@@ -685,6 +686,7 @@ static int send_trans2_replies(char *outbuf,
                        params_to_send, data_to_send, paramsize, datasize));
 
                /* Send the packet */
+               show_msg(outbuf);
                if (!send_smb(smbd_server_fd(),outbuf))
                        exit_server("send_trans2_replies: send_smb failed.");
 
@@ -4912,6 +4914,7 @@ int reply_trans2(connection_struct *conn,
                   of the parameter/data bytes */
                outsize = set_message(outbuf,0,0,True);
                srv_signing_trans_stop();
+               show_msg(outbuf);
                if (!send_smb(smbd_server_fd(),outbuf))
                        exit_server("reply_trans2: send_smb failed.");
 
index 3260cce9aa2fa5f2c9f13b42e744df58d969b6a3..1d205e597797f38bac1fa93866595669909fe31c 100644 (file)
@@ -1052,3 +1052,38 @@ int vfswrap_fsetxattr(struct vfs_handle_struct *handle, struct files_struct *fsp
 {
        return sys_fsetxattr(fd, name, value, size, flags);
 }
+
+int vfswrap_aio_read(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
+{
+       return sys_aio_read(aiocb);
+}
+
+int vfswrap_aio_write(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
+{
+       return sys_aio_write(aiocb);
+}
+
+int vfswrap_aio_return(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
+{
+       return sys_aio_return(aiocb);
+}
+
+int vfswrap_aio_cancel(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd, SMB_STRUCT_AIOCB *aiocb)
+{
+       return sys_aio_cancel(fd, aiocb);
+}
+
+int vfswrap_aio_error(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
+{
+       return sys_aio_error(aiocb);
+}
+
+int vfswrap_aio_fsync(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb)
+{
+       return sys_aio_fsync(op, aiocb);
+}
+
+int vfswrap_aio_suspend(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *timeout)
+{
+       return sys_aio_suspend(aiocb, n, timeout);
+}
index b09935eaa993fa3cde641c49298d58f447ab02d5..11adfed69466eca6d280937c3d88358ba8677d67 100644 (file)
@@ -145,7 +145,16 @@ static struct vfs_ops default_vfs = {
                vfswrap_fremovexattr,
                vfswrap_setxattr,
                vfswrap_lsetxattr,
-               vfswrap_fsetxattr
+               vfswrap_fsetxattr,
+
+               /* AIO operations. */
+               vfswrap_aio_read,
+               vfswrap_aio_write,
+               vfswrap_aio_return,
+               vfswrap_aio_cancel,
+               vfswrap_aio_error,
+               vfswrap_aio_fsync,
+               vfswrap_aio_suspend
        }
 };
 
@@ -277,20 +286,20 @@ BOOL vfs_init_custom(connection_struct *conn, const char *vfs_object)
        DLIST_ADD(conn->vfs_handles, handle);
 
        for(i=0; ops[i].op != NULL; i++) {
-         DEBUG(5, ("Checking operation #%d (type %d, layer %d)\n", i, ops[i].type, ops[i].layer));
-         if(ops[i].layer == SMB_VFS_LAYER_OPAQUE) {
-           /* Check whether this operation was already made opaque by different module */
-           if(((void**)&conn->vfs_opaque.ops)[ops[i].type] == ((void**)&default_vfs.ops)[ops[i].type]) {
-             /* No, it isn't overloaded yet. Overload. */
-             DEBUGADD(5, ("Making operation type %d opaque [module %s]\n", ops[i].type, vfs_object));
-             ((void**)&conn->vfs_opaque.ops)[ops[i].type] = ops[i].op;
-             ((vfs_handle_struct **)&conn->vfs_opaque.handles)[ops[i].type] = handle;
-           }
-         }
-         /* Change current VFS disposition*/
-         DEBUGADD(5, ("Accepting operation type %d from module %s\n", ops[i].type, vfs_object));
-         ((void**)&conn->vfs.ops)[ops[i].type] = ops[i].op;
-         ((vfs_handle_struct **)&conn->vfs.handles)[ops[i].type] = handle;
+               DEBUG(5, ("Checking operation #%d (type %d, layer %d)\n", i, ops[i].type, ops[i].layer));
+               if(ops[i].layer == SMB_VFS_LAYER_OPAQUE) {
+                       /* Check whether this operation was already made opaque by different module */
+                       if(((void**)&conn->vfs_opaque.ops)[ops[i].type] == ((void**)&default_vfs.ops)[ops[i].type]) {
+                               /* No, it isn't overloaded yet. Overload. */
+                               DEBUGADD(5, ("Making operation type %d opaque [module %s]\n", ops[i].type, vfs_object));
+                               ((void**)&conn->vfs_opaque.ops)[ops[i].type] = ops[i].op;
+                               ((vfs_handle_struct **)&conn->vfs_opaque.handles)[ops[i].type] = handle;
+                       }
+               }
+               /* Change current VFS disposition*/
+               DEBUGADD(5, ("Accepting operation type %d from module %s\n", ops[i].type, vfs_object));
+               ((void**)&conn->vfs.ops)[ops[i].type] = ops[i].op;
+               ((vfs_handle_struct **)&conn->vfs.handles)[ops[i].type] = handle;
        }
 
        SAFE_FREE(module_name);