diff options
| author | Darrick J. Wong <darrick.wong@oracle.com> | 2018-12-12 19:46:23 +0300 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2018-12-12 19:47:16 +0300 |
| commit | 66e3237e724c6650dca03627b40bb00a812d3f7a (patch) | |
| tree | 84a31606547b538fb2e8fb4dd5b732f0444c53fb /fs/xfs/libxfs/xfs_rmap.h | |
| parent | 02b100fb83f9b0f8719deef6c4ed973b4d9ce00c (diff) | |
| download | linux-66e3237e724c6650dca03627b40bb00a812d3f7a.tar.xz | |
xfs: const-ify xfs_owner_info arguments
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>
Diffstat (limited to 'fs/xfs/libxfs/xfs_rmap.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_rmap.h | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/fs/xfs/libxfs/xfs_rmap.h b/fs/xfs/libxfs/xfs_rmap.h index 157dc722ad35..6d32838aa184 100644 --- a/fs/xfs/libxfs/xfs_rmap.h +++ b/fs/xfs/libxfs/xfs_rmap.h @@ -52,7 +52,7 @@ xfs_rmap_skip_owner_update( static inline bool xfs_rmap_should_skip_owner_update( - struct xfs_owner_info *oi) + const struct xfs_owner_info *oi) { return oi->oi_owner == XFS_RMAP_OWN_NULL; } @@ -103,12 +103,12 @@ xfs_rmap_irec_offset_unpack( static inline void xfs_owner_info_unpack( - struct xfs_owner_info *oinfo, - uint64_t *owner, - uint64_t *offset, - unsigned int *flags) + const struct xfs_owner_info *oinfo, + uint64_t *owner, + uint64_t *offset, + unsigned int *flags) { - unsigned int r = 0; + unsigned int r = 0; *owner = oinfo->oi_owner; *offset = oinfo->oi_offset; @@ -137,10 +137,10 @@ xfs_owner_info_pack( int xfs_rmap_alloc(struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len, - struct xfs_owner_info *oinfo); + const struct xfs_owner_info *oinfo); int xfs_rmap_free(struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agnumber_t agno, xfs_agblock_t bno, xfs_extlen_t len, - struct xfs_owner_info *oinfo); + const struct xfs_owner_info *oinfo); int xfs_rmap_lookup_le(struct xfs_btree_cur *cur, xfs_agblock_t bno, xfs_extlen_t len, uint64_t owner, uint64_t offset, @@ -218,10 +218,10 @@ int xfs_rmap_btrec_to_irec(union xfs_btree_rec *rec, int xfs_rmap_has_record(struct xfs_btree_cur *cur, xfs_agblock_t bno, xfs_extlen_t len, bool *exists); int xfs_rmap_record_exists(struct xfs_btree_cur *cur, xfs_agblock_t bno, - xfs_extlen_t len, struct xfs_owner_info *oinfo, + xfs_extlen_t len, const struct xfs_owner_info *oinfo, bool *has_rmap); int xfs_rmap_has_other_keys(struct xfs_btree_cur *cur, xfs_agblock_t bno, - xfs_extlen_t len, struct xfs_owner_info *oinfo, + xfs_extlen_t len, const struct xfs_owner_info *oinfo, bool *has_rmap); int xfs_rmap_map_raw(struct xfs_btree_cur *cur, struct xfs_rmap_irec *rmap); |