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xfs: const-ify xfs_owner_info arguments

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Only certain functions actually change the contents of an
xfs_owner_info; the rest can accept a const struct pointer.  This will
enable us to save stack space by hoisting static owner info types to
be const global variables.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
This commit is contained in:
Darrick J. Wong
2018-12-12 08:46:23 -08:00
parent 02b100fb83
commit 66e3237e72
18 changed files with 266 additions and 261 deletions
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22
fs/xfs/scrub/btree.h
View File

@@ -31,21 +31,21 @@ typedef int (*xchk_btree_rec_fn)(
struct xchk_btree {
/* caller-provided scrub state */
struct xfs_scrub *sc;
struct xfs_btree_cur *cur;
xchk_btree_rec_fn scrub_rec;
struct xfs_owner_info *oinfo;
void *private;
struct xfs_scrub *sc;
struct xfs_btree_cur *cur;
xchk_btree_rec_fn scrub_rec;
const struct xfs_owner_info *oinfo;
void *private;
/* internal scrub state */
union xfs_btree_rec lastrec;
bool firstrec;
union xfs_btree_key lastkey[XFS_BTREE_MAXLEVELS];
bool firstkey[XFS_BTREE_MAXLEVELS];
struct list_head to_check;
union xfs_btree_rec lastrec;
bool firstrec;
union xfs_btree_key lastkey[XFS_BTREE_MAXLEVELS];
bool firstkey[XFS_BTREE_MAXLEVELS];
struct list_head to_check;
};
int xchk_btree(struct xfs_scrub *sc, struct xfs_btree_cur *cur,
xchk_btree_rec_fn scrub_fn, struct xfs_owner_info *oinfo,
xchk_btree_rec_fn scrub_fn, const struct xfs_owner_info *oinfo,
void *private);
#endif /* __XFS_SCRUB_BTREE_H__ */