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| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-03-08 12:44:17 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-03-14 00:17:20 -0400 |
| commit | 668d0cd56ef7bc71be6dd8c081007221e09d9a86 (patch) | |
| tree | e4e61bdd16fde1ad932861a23978601c2530f32a /include/linux/dcache.h | |
| parent | e12a4e8a04a9ef84ba645379c56abad1a0ca9dbd (diff) | |
| download | op-kernel-dev-668d0cd56ef7bc71be6dd8c081007221e09d9a86.zip op-kernel-dev-668d0cd56ef7bc71be6dd8c081007221e09d9a86.tar.gz | |
replace d_add_unique() with saner primitive
new primitive: d_exact_alias(dentry, inode). If there is an unhashed
dentry with the same name/parent and given inode, rehash, grab and
return it. Otherwise, return NULL. The only caller of d_add_unique()
switched to d_exact_alias() + d_splice_alias().
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux/dcache.h')
| -rw-r--r-- | include/linux/dcache.h | 18 |
1 files changed, 1 insertions, 17 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h index c4b5f4b..bda4ec5 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -246,6 +246,7 @@ extern struct dentry * d_alloc(struct dentry *, const struct qstr *); extern struct dentry * d_alloc_pseudo(struct super_block *, const struct qstr *); extern struct dentry * d_splice_alias(struct inode *, struct dentry *); extern struct dentry * d_add_ci(struct dentry *, struct inode *, struct qstr *); +extern struct dentry * d_exact_alias(struct dentry *, struct inode *); extern struct dentry *d_find_any_alias(struct inode *inode); extern struct dentry * d_obtain_alias(struct inode *); extern struct dentry * d_obtain_root(struct inode *); @@ -288,23 +289,6 @@ static inline void d_add(struct dentry *entry, struct inode *inode) d_rehash(entry); } -/** - * d_add_unique - add dentry to hash queues without aliasing - * @entry: dentry to add - * @inode: The inode to attach to this dentry - * - * This adds the entry to the hash queues and initializes @inode. - * The entry was actually filled in earlier during d_alloc(). - */ -static inline struct dentry *d_add_unique(struct dentry *entry, struct inode *inode) -{ - struct dentry *res; - - res = d_instantiate_unique(entry, inode); - d_rehash(res != NULL ? res : entry); - return res; -} - extern void dentry_update_name_case(struct dentry *, struct qstr *); /* used for rename() and baskets */ |
