mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-11 12:28:41 +08:00
xfs: constify the name argument to various directory functions
Various directory functions do not modify their @name parameter, so mark it const to make that clear. This will enable us to mark the global xfs_name_dotdot variable as const to prevent mischief. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Dave Chinner <dchinner@redhat.com>
This commit is contained in:
parent
41667260bc
commit
996b2329b2
@ -54,10 +54,10 @@ xfs_mode_to_ftype(
|
||||
*/
|
||||
xfs_dahash_t
|
||||
xfs_ascii_ci_hashname(
|
||||
struct xfs_name *name)
|
||||
const struct xfs_name *name)
|
||||
{
|
||||
xfs_dahash_t hash;
|
||||
int i;
|
||||
xfs_dahash_t hash;
|
||||
int i;
|
||||
|
||||
for (i = 0, hash = 0; i < name->len; i++)
|
||||
hash = tolower(name->name[i]) ^ rol32(hash, 7);
|
||||
@ -243,7 +243,7 @@ int
|
||||
xfs_dir_createname(
|
||||
struct xfs_trans *tp,
|
||||
struct xfs_inode *dp,
|
||||
struct xfs_name *name,
|
||||
const struct xfs_name *name,
|
||||
xfs_ino_t inum, /* new entry inode number */
|
||||
xfs_extlen_t total) /* bmap's total block count */
|
||||
{
|
||||
@ -337,16 +337,16 @@ xfs_dir_cilookup_result(
|
||||
|
||||
int
|
||||
xfs_dir_lookup(
|
||||
xfs_trans_t *tp,
|
||||
xfs_inode_t *dp,
|
||||
struct xfs_name *name,
|
||||
xfs_ino_t *inum, /* out: inode number */
|
||||
struct xfs_name *ci_name) /* out: actual name if CI match */
|
||||
struct xfs_trans *tp,
|
||||
struct xfs_inode *dp,
|
||||
const struct xfs_name *name,
|
||||
xfs_ino_t *inum, /* out: inode number */
|
||||
struct xfs_name *ci_name) /* out: actual name if CI match */
|
||||
{
|
||||
struct xfs_da_args *args;
|
||||
int rval;
|
||||
int v; /* type-checking value */
|
||||
int lock_mode;
|
||||
struct xfs_da_args *args;
|
||||
int rval;
|
||||
int v; /* type-checking value */
|
||||
int lock_mode;
|
||||
|
||||
ASSERT(S_ISDIR(VFS_I(dp)->i_mode));
|
||||
XFS_STATS_INC(dp->i_mount, xs_dir_lookup);
|
||||
@ -475,7 +475,7 @@ int
|
||||
xfs_dir_replace(
|
||||
struct xfs_trans *tp,
|
||||
struct xfs_inode *dp,
|
||||
struct xfs_name *name, /* name of entry to replace */
|
||||
const struct xfs_name *name, /* name of entry to replace */
|
||||
xfs_ino_t inum, /* new inode number */
|
||||
xfs_extlen_t total) /* bmap's total block count */
|
||||
{
|
||||
@ -728,7 +728,7 @@ xfs_dir2_namecheck(
|
||||
xfs_dahash_t
|
||||
xfs_dir2_hashname(
|
||||
struct xfs_mount *mp,
|
||||
struct xfs_name *name)
|
||||
const struct xfs_name *name)
|
||||
{
|
||||
if (unlikely(xfs_has_asciici(mp)))
|
||||
return xfs_ascii_ci_hashname(name);
|
||||
|
@ -39,16 +39,16 @@ extern int xfs_dir_isempty(struct xfs_inode *dp);
|
||||
extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp,
|
||||
struct xfs_inode *pdp);
|
||||
extern int xfs_dir_createname(struct xfs_trans *tp, struct xfs_inode *dp,
|
||||
struct xfs_name *name, xfs_ino_t inum,
|
||||
const struct xfs_name *name, xfs_ino_t inum,
|
||||
xfs_extlen_t tot);
|
||||
extern int xfs_dir_lookup(struct xfs_trans *tp, struct xfs_inode *dp,
|
||||
struct xfs_name *name, xfs_ino_t *inum,
|
||||
const struct xfs_name *name, xfs_ino_t *inum,
|
||||
struct xfs_name *ci_name);
|
||||
extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp,
|
||||
struct xfs_name *name, xfs_ino_t ino,
|
||||
xfs_extlen_t tot);
|
||||
extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp,
|
||||
struct xfs_name *name, xfs_ino_t inum,
|
||||
const struct xfs_name *name, xfs_ino_t inum,
|
||||
xfs_extlen_t tot);
|
||||
extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp,
|
||||
struct xfs_name *name);
|
||||
|
@ -40,7 +40,7 @@ struct xfs_dir3_icfree_hdr {
|
||||
};
|
||||
|
||||
/* xfs_dir2.c */
|
||||
xfs_dahash_t xfs_ascii_ci_hashname(struct xfs_name *name);
|
||||
xfs_dahash_t xfs_ascii_ci_hashname(const struct xfs_name *name);
|
||||
enum xfs_dacmp xfs_ascii_ci_compname(struct xfs_da_args *args,
|
||||
const unsigned char *name, int len);
|
||||
extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space,
|
||||
@ -201,7 +201,8 @@ xfs_dir2_data_entsize(
|
||||
return round_up(len, XFS_DIR2_DATA_ALIGN);
|
||||
}
|
||||
|
||||
xfs_dahash_t xfs_dir2_hashname(struct xfs_mount *mp, struct xfs_name *name);
|
||||
xfs_dahash_t xfs_dir2_hashname(struct xfs_mount *mp,
|
||||
const struct xfs_name *name);
|
||||
enum xfs_dacmp xfs_dir2_compname(struct xfs_da_args *args,
|
||||
const unsigned char *name, int len);
|
||||
|
||||
|
@ -658,9 +658,9 @@ xfs_ip2xflags(
|
||||
*/
|
||||
int
|
||||
xfs_lookup(
|
||||
xfs_inode_t *dp,
|
||||
struct xfs_name *name,
|
||||
xfs_inode_t **ipp,
|
||||
struct xfs_inode *dp,
|
||||
const struct xfs_name *name,
|
||||
struct xfs_inode **ipp,
|
||||
struct xfs_name *ci_name)
|
||||
{
|
||||
xfs_ino_t inum;
|
||||
|
@ -402,7 +402,7 @@ enum layout_break_reason {
|
||||
|
||||
int xfs_release(struct xfs_inode *ip);
|
||||
void xfs_inactive(struct xfs_inode *ip);
|
||||
int xfs_lookup(struct xfs_inode *dp, struct xfs_name *name,
|
||||
int xfs_lookup(struct xfs_inode *dp, const struct xfs_name *name,
|
||||
struct xfs_inode **ipp, struct xfs_name *ci_name);
|
||||
int xfs_create(struct user_namespace *mnt_userns,
|
||||
struct xfs_inode *dp, struct xfs_name *name,
|
||||
|
@ -933,7 +933,7 @@ DEFINE_IREF_EVENT(xfs_inode_unpin);
|
||||
DEFINE_IREF_EVENT(xfs_inode_unpin_nowait);
|
||||
|
||||
DECLARE_EVENT_CLASS(xfs_namespace_class,
|
||||
TP_PROTO(struct xfs_inode *dp, struct xfs_name *name),
|
||||
TP_PROTO(struct xfs_inode *dp, const struct xfs_name *name),
|
||||
TP_ARGS(dp, name),
|
||||
TP_STRUCT__entry(
|
||||
__field(dev_t, dev)
|
||||
@ -956,7 +956,7 @@ DECLARE_EVENT_CLASS(xfs_namespace_class,
|
||||
|
||||
#define DEFINE_NAMESPACE_EVENT(name) \
|
||||
DEFINE_EVENT(xfs_namespace_class, name, \
|
||||
TP_PROTO(struct xfs_inode *dp, struct xfs_name *name), \
|
||||
TP_PROTO(struct xfs_inode *dp, const struct xfs_name *name), \
|
||||
TP_ARGS(dp, name))
|
||||
DEFINE_NAMESPACE_EVENT(xfs_remove);
|
||||
DEFINE_NAMESPACE_EVENT(xfs_link);
|
||||
|
Loading…
Reference in New Issue
Block a user