diff options
Diffstat (limited to 'include/linux/dcache.h')
| -rw-r--r-- | include/linux/dcache.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h index bf72e9ac6de..3c7ec327ebd 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -221,6 +221,8 @@ struct dentry_operations { #define DCACHE_SYMLINK_TYPE 0x00300000 /* Symlink */ #define DCACHE_FILE_TYPE 0x00400000 /* Other file type */ +#define DCACHE_MAY_FREE 0x00800000 + extern seqlock_t rename_lock; static inline int dname_external(const struct dentry *dentry) @@ -308,6 +310,7 @@ extern void dentry_update_name_case(struct dentry *, struct qstr *); /* used for rename() and baskets */ extern void d_move(struct dentry *, struct dentry *); +extern void d_exchange(struct dentry *, struct dentry *); extern struct dentry *d_ancestor(struct dentry *, struct dentry *); /* appendix may either be NULL or be used for transname suffixes */ @@ -429,7 +432,7 @@ static inline unsigned __d_entry_type(const struct dentry *dentry) return dentry->d_flags & DCACHE_ENTRY_TYPE; } -static inline bool d_is_directory(const struct dentry *dentry) +static inline bool d_can_lookup(const struct dentry *dentry) { return __d_entry_type(dentry) == DCACHE_DIRECTORY_TYPE; } @@ -439,6 +442,11 @@ static inline bool d_is_autodir(const struct dentry *dentry) return __d_entry_type(dentry) == DCACHE_AUTODIR_TYPE; } +static inline bool d_is_dir(const struct dentry *dentry) +{ + return d_can_lookup(dentry) || d_is_autodir(dentry); +} + static inline bool d_is_symlink(const struct dentry *dentry) { return __d_entry_type(dentry) == DCACHE_SYMLINK_TYPE; |