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authorDarrick J. Wong <darrick.wong@oracle.com>2016-02-08 07:00:01 +0300
committerDave Chinner <david@fromorbit.com>2016-02-08 07:00:01 +0300
commit244efeafb65ad4d98cd0c9463631e3931d813a6e (patch)
tree6cf59d5c05745aeee5179bc6c29a1a3cc9f4b5cf /fs/xfs/libxfs/xfs_da_format.h
parent18f1df4e00cea2eae41f3e5515b94d1e7127b2b6 (diff)
downloadlinux-244efeafb65ad4d98cd0c9463631e3931d813a6e.tar.xz
xfs: move struct xfs_attr_shortform to xfs_da_format.h
Move the shortform attr structure definition to the same place as the other attribute structure definitions for consistency and also so that xfs/122 verifies the structure size. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_da_format.h')
-rw-r--r--fs/xfs/libxfs/xfs_da_format.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_da_format.h b/fs/xfs/libxfs/xfs_da_format.h
index b14bbd6bb05f..8d4d8bce41bf 100644
--- a/fs/xfs/libxfs/xfs_da_format.h
+++ b/fs/xfs/libxfs/xfs_da_format.h
@@ -641,6 +641,22 @@ xfs_dir2_block_leaf_p(struct xfs_dir2_block_tail *btp)
*/
#define XFS_ATTR_LEAF_MAPSIZE 3 /* how many freespace slots */
+/*
+ * Entries are packed toward the top as tight as possible.
+ */
+typedef struct xfs_attr_shortform {
+ struct xfs_attr_sf_hdr { /* constant-structure header block */
+ __be16 totsize; /* total bytes in shortform list */
+ __u8 count; /* count of active entries */
+ } hdr;
+ struct xfs_attr_sf_entry {
+ __uint8_t namelen; /* actual length of name (no NULL) */
+ __uint8_t valuelen; /* actual length of value (no NULL) */
+ __uint8_t flags; /* flags bits (see xfs_attr_leaf.h) */
+ __uint8_t nameval[1]; /* name & value bytes concatenated */
+ } list[1]; /* variable sized array */
+} xfs_attr_shortform_t;
+
typedef struct xfs_attr_leaf_map { /* RLE map of free bytes */
__be16 base; /* base of free region */
__be16 size; /* length of free region */