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xfs: move struct xfs_attr_shortform to xfs_da_format.h

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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>
This commit is contained in:
Darrick J. Wong 2016-02-08 15:00:01 +11:00 committed by Dave Chinner
parent 18f1df4e00
commit 244efeafb6
3 changed files with 17 additions and 16 deletions
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16
fs/xfs/libxfs/xfs_attr_sf.h
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@ -24,22 +24,6 @@
* Small attribute lists are packed as tightly as possible so as
* to fit into the literal area of the inode.
*/
/*
* 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_sf_hdr xfs_attr_sf_hdr_t;
typedef struct xfs_attr_sf_entry xfs_attr_sf_entry_t;

16
fs/xfs/libxfs/xfs_da_format.h
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@ -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 */

1
fs/xfs/libxfs/xfs_inode_fork.c
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@ -31,6 +31,7 @@
#include "xfs_error.h"
#include "xfs_trace.h"
#include "xfs_attr_sf.h"
#include "xfs_da_format.h"
kmem_zone_t *xfs_ifork_zone;