xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

xfs: const-ify xfs_owner_info arguments

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

20
fs/xfs/libxfs/xfs_rmap.h
View File

@@ -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);