vfs_glusterfs: Add fallocate support for vfs_glusterfs

[samba.git] / source3 / modules / vfs_glusterfs.c

diff --git a/source3/modules/vfs_glusterfs.c b/source3/modules/vfs_glusterfs.c
index 953c46af4cdd5eaaa195e515add202f8931ed1a5..f9a96fa004d3ddc72832f74104b7035a328004ad 100644 (file)
--- a/source3/modules/vfs_glusterfs.c
+++ b/source3/modules/vfs_glusterfs.c
@@ -464,6 +464,10 @@ static uint32_t vfs_gluster_fs_capabilities(struct vfs_handle_struct *handle,
 {
        uint32_t caps = FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES;
 
+#ifdef HAVE_GFAPI_VER_6
+       caps |= FILE_SUPPORTS_SPARSE_FILES;
+#endif
+
 #ifdef STAT_HAVE_NSEC
        *p_ts_res = TIMESTAMP_SET_NT_OR_BETTER;
 #endif
@@ -1148,9 +1152,31 @@ static int vfs_gluster_fallocate(struct vfs_handle_struct *handle,
                                 uint32_t mode,
                                 off_t offset, off_t len)
 {
-       /* TODO: add support using glfs_fallocate() and glfs_zerofill() */
+#ifdef HAVE_GFAPI_VER_6
+       int keep_size, punch_hole;
+
+       keep_size = mode & VFS_FALLOCATE_FL_KEEP_SIZE;
+       punch_hole = mode & VFS_FALLOCATE_FL_PUNCH_HOLE;
+
+       mode &= ~(VFS_FALLOCATE_FL_KEEP_SIZE|VFS_FALLOCATE_FL_PUNCH_HOLE);
+       if (mode != 0) {
+               errno = ENOTSUP;
+               return -1;
+       }
+
+       if (punch_hole) {
+               return glfs_discard(*(glfs_fd_t **)
+                                   VFS_FETCH_FSP_EXTENSION(handle, fsp),
+                                   offset, len);
+       }
+
+       return glfs_fallocate(*(glfs_fd_t **)
+                             VFS_FETCH_FSP_EXTENSION(handle, fsp),
+                             keep_size, offset, len);
+#else
        errno = ENOTSUP;
        return -1;
+#endif
 }
 
 static struct smb_filename *vfs_gluster_realpath(struct vfs_handle_struct *handle,