s3 onefs: Add the OneFS implementation of SMB_VFS_GET_ALLOC_SIZE

diff --git a/source3/modules/vfs_onefs.c b/source3/modules/vfs_onefs.c
index e048e8958972bdba160a5658972ea4f9b62052f0..e2f272aa115dff4b9ca4bdeba58f71190a3c09dc 100644 (file)
--- a/source3/modules/vfs_onefs.c
+++ b/source3/modules/vfs_onefs.c
@@ -40,6 +40,31 @@ static int onefs_open(vfs_handle_struct *handle, const char *fname,
        return SMB_VFS_NEXT_OPEN(handle, fname, fsp, flags, mode);
 }
 
+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_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 int onefs_statvfs(vfs_handle_struct *handle, const char *path,
                         vfs_statvfs_struct *statbuf)
 {
@@ -123,6 +148,8 @@ static vfs_op_tuple onefs_ops[] = {
         SMB_VFS_LAYER_TRANSPARENT},
        {SMB_VFS_OP(onefs_lstat), SMB_VFS_OP_LSTAT,
         SMB_VFS_LAYER_TRANSPARENT},
+       {SMB_VFS_OP(onefs_get_alloc_size), SMB_VFS_OP_GET_ALLOC_SIZE,
+        SMB_VFS_LAYER_OPAQUE},
        {SMB_VFS_OP(onefs_unlink), SMB_VFS_OP_UNLINK,
         SMB_VFS_LAYER_TRANSPARENT},
        {SMB_VFS_OP(onefs_ntimes), SMB_VFS_OP_NTIMES,