+++ /dev/null
-/*
- * Unix SMB/CIFS implementation.
- * Support for OneFS
- *
- * Copyright (C) Tim Prouty, 2008
- *
- * 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 3 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, see <http://www.gnu.org/licenses/>.
- */
-
-#include "includes.h"
-#include "onefs.h"
-#include "onefs_config.h"
-
-#undef DBGC_CLASS
-#define DBGC_CLASS DBGC_VFS
-
-static int onefs_connect(struct vfs_handle_struct *handle, const char *service,
- const char *user)
-{
- int ret;
-
- ret = onefs_load_config(handle->conn);
- if (ret) {
- DEBUG(3, ("Load config failed: %s\n", strerror(errno)));
- return ret;
- }
-
- return SMB_VFS_NEXT_CONNECT(handle, service, user);
-}
-
-static int onefs_mkdir(vfs_handle_struct *handle, const char *path,
- mode_t mode)
-{
- /* SMB_VFS_MKDIR should never be called in vfs_onefs */
- SMB_ASSERT(false);
- return SMB_VFS_NEXT_MKDIR(handle, path, mode);
-}
-
-static int onefs_open(vfs_handle_struct *handle,
- struct smb_filename *smb_fname,
- files_struct *fsp, int flags, mode_t mode)
-{
- /* SMB_VFS_OPEN should never be called in vfs_onefs */
- SMB_ASSERT(false);
- return SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
-}
-
-static ssize_t onefs_sendfile(vfs_handle_struct *handle, int tofd,
- files_struct *fromfsp, const DATA_BLOB *header,
- SMB_OFF_T offset, size_t count)
-{
- ssize_t result;
-
- START_PROFILE_BYTES(syscall_sendfile, count);
- result = onefs_sys_sendfile(handle->conn, tofd, fromfsp->fh->fd,
- header, offset, count);
- END_PROFILE(syscall_sendfile);
- return result;
-}
-
-static ssize_t onefs_recvfile(vfs_handle_struct *handle, int fromfd,
- files_struct *tofsp, SMB_OFF_T offset,
- size_t count)
-{
- ssize_t result;
-
- START_PROFILE_BYTES(syscall_recvfile, count);
- result = onefs_sys_recvfile(fromfd, tofsp->fh->fd, offset, count);
- END_PROFILE(syscall_recvfile);
- return result;
-}
-
-static uint64_t onefs_get_alloc_size(struct vfs_handle_struct *handle,
- files_struct *fsp,
- const SMB_STRUCT_STAT *sbuf)
-{
- uint64_t result;
-
- START_PROFILE(syscall_get_alloc_size);
-
- if(S_ISDIR(sbuf->st_ex_mode)) {
- result = 0;
- goto out;
- }
-
- /* Just use the file size since st_blocks is unreliable on OneFS. */
- result = get_file_size_stat(sbuf);
-
- if (fsp && fsp->initial_allocation_size)
- result = MAX(result,fsp->initial_allocation_size);
-
- result = smb_roundup(handle->conn, result);
-
- out:
- END_PROFILE(syscall_get_alloc_size);
- return result;
-}
-
-static struct file_id onefs_file_id_create(struct vfs_handle_struct *handle,
- const SMB_STRUCT_STAT *sbuf)
-{
- struct file_id key;
-
- /* the ZERO_STRUCT ensures padding doesn't break using the key as a
- * blob */
- ZERO_STRUCT(key);
-
- key.devid = sbuf->st_ex_dev;
- key.inode = sbuf->st_ex_ino;
- key.extid = sbuf->vfs_private;
-
- return key;
-}
-
-static int onefs_statvfs(vfs_handle_struct *handle, const char *path,
- vfs_statvfs_struct *statbuf)
-{
- struct statvfs statvfs_buf;
- int result;
-
- DEBUG(5, ("Calling SMB_STAT_VFS \n"));
- result = statvfs(path, &statvfs_buf);
- ZERO_STRUCTP(statbuf);
-
- if (!result) {
- statbuf->OptimalTransferSize = statvfs_buf.f_iosize;
- statbuf->BlockSize = statvfs_buf.f_bsize;
- statbuf->TotalBlocks = statvfs_buf.f_blocks;
- statbuf->BlocksAvail = statvfs_buf.f_bfree;
- statbuf->UserBlocksAvail = statvfs_buf.f_bavail;
- statbuf->TotalFileNodes = statvfs_buf.f_files;
- statbuf->FreeFileNodes = statvfs_buf.f_ffree;
- statbuf->FsIdentifier =
- (((uint64_t)statvfs_buf.f_fsid.val[0]<<32) &
- 0xffffffff00000000LL) |
- (uint64_t)statvfs_buf.f_fsid.val[1];
- }
- return result;
-}
-
-static int onefs_get_real_filename(vfs_handle_struct *handle, const char *path,
- const char *name, TALLOC_CTX *mem_ctx,
- char **found_name)
-{
- struct stat sb;
- struct connection_struct *conn = handle->conn;
- struct stat_extra se;
- int result;
- char *unmangled_name = NULL;
- char *full_name = NULL;
-
- /* First demangle the name if necessary. */
- if (!conn->case_sensitive && mangle_is_mangled(name, conn->params) &&
- mangle_lookup_name_from_8_3(mem_ctx, name, &unmangled_name,
- conn->params)) {
- /* Name is now unmangled. */
- name = unmangled_name;
- }
-
- /* Do the case insensitive stat. */
- ZERO_STRUCT(se);
- se.se_version = ESTAT_CURRENT_VERSION;
- se.se_flags = ESTAT_CASE_INSENSITIVE | ESTAT_SYMLINK_NOFOLLOW;
-
- if (*path != '\0') {
- if (!(full_name = talloc_asprintf(mem_ctx, "%s/%s", path, name))) {
- errno = ENOMEM;
- DEBUG(2, ("talloc_asprintf failed\n"));
- result = -1;
- goto done;
- }
- }
-
- if ((result = estat(full_name ? full_name : name, &sb, &se)) != 0) {
- DEBUG(2, ("error calling estat: %s\n", strerror(errno)));
- goto done;
- }
-
- *found_name = talloc_strdup(mem_ctx, se.se_realname);
- if (*found_name == NULL) {
- errno = ENOMEM;
- result = -1;
- goto done;
- }
-
-done:
- TALLOC_FREE(full_name);
- TALLOC_FREE(unmangled_name);
- return result;
-}
-
-static int onefs_ntimes(vfs_handle_struct *handle,
- const struct smb_filename *smb_fname,
- struct smb_file_time *ft)
-{
- int flags = 0;
- struct timespec times[3];
-
- if (!null_timespec(ft->atime)) {
- flags |= VT_ATIME;
- times[0] = ft->atime;
- DEBUG(6,("**** onefs_ntimes: actime: %s.%d\n",
- time_to_asc(convert_timespec_to_time_t(ft->atime)),
- ft->atime.tv_nsec));
- }
-
- if (!null_timespec(ft->mtime)) {
- flags |= VT_MTIME;
- times[1] = ft->mtime;
- DEBUG(6,("**** onefs_ntimes: modtime: %s.%d\n",
- time_to_asc(convert_timespec_to_time_t(ft->mtime)),
- ft->mtime.tv_nsec));
- }
-
- if (!null_timespec(ft->create_time)) {
- flags |= VT_BTIME;
- times[2] = ft->create_time;
- DEBUG(6,("**** onefs_ntimes: createtime: %s.%d\n",
- time_to_asc(convert_timespec_to_time_t(ft->create_time)),
- ft->create_time.tv_nsec));
- }
-
- return onefs_vtimes_streams(handle, smb_fname, flags, times);
-}
-
-static uint32_t onefs_fs_capabilities(struct vfs_handle_struct *handle)
-{
- uint32_t result = 0;
-
- if (!lp_parm_bool(SNUM(handle->conn), PARM_ONEFS_TYPE,
- PARM_IGNORE_STREAMS, PARM_IGNORE_STREAMS_DEFAULT)) {
- result |= FILE_NAMED_STREAMS;
- }
-
- return result | SMB_VFS_NEXT_FS_CAPABILITIES(handle);
-}
-
-static struct vfs_fn_pointers onefs_fns = {
- .connect_fn = onefs_connect,
- .fs_capabilities = onefs_fs_capabilities,
- .opendir = onefs_opendir,
- .readdir = onefs_readdir,
- .seekdir = onefs_seekdir,
- .telldir = onefs_telldir,
- .rewind_dir = onefs_rewinddir,
- .mkdir = onefs_mkdir,
- .closedir = onefs_closedir,
- .init_search_op = onefs_init_search_op,
- .open = onefs_open,
- .create_file = onefs_create_file,
- .close_fn = onefs_close,
- .sendfile = onefs_sendfile,
- .recvfile = onefs_recvfile,
- .rename = onefs_rename,
- .stat = onefs_stat,
- .fstat = onefs_fstat,
- .lstat = onefs_lstat,
- .get_alloc_size = onefs_get_alloc_size,
- .unlink = onefs_unlink,
- .ntimes = onefs_ntimes,
- .file_id_create = onefs_file_id_create,
- .streaminfo = onefs_streaminfo,
- .brl_lock_windows = onefs_brl_lock_windows,
- .brl_unlock_windows = onefs_brl_unlock_windows,
- .brl_cancel_windows = onefs_brl_cancel_windows,
- .strict_lock = onefs_strict_lock,
- .strict_unlock = onefs_strict_unlock,
- .notify_watch = onefs_notify_watch,
- .fget_nt_acl = onefs_fget_nt_acl,
- .get_nt_acl = onefs_get_nt_acl,
- .fset_nt_acl = onefs_fset_nt_acl,
- .statvfs = onefs_statvfs,
- .get_real_filename = onefs_get_real_filename,
-};
-
-NTSTATUS vfs_onefs_init(void)
-{
- return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "onefs",
- &onefs_fns);
-}
git.samba.org / samba.git / blobdiff