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| author | Sage Weil <sage@newdream.net> | 2012-01-10 09:04:37 -0800 |
|---|---|---|
| committer | Sage Weil <sage@newdream.net> | 2012-01-12 11:00:28 -0800 |
| commit | 46f72b349290d2bd7aecea38f02609d814332df6 (patch) | |
| tree | 4d9adf3578e3cc526c6756b1e5165a65ba285648 | |
| parent | d46cfba5363a163851dc768f717f34185527a472 (diff) | |
| download | linux-46f72b349290d2bd7aecea38f02609d814332df6.tar.gz linux-46f72b349290d2bd7aecea38f02609d814332df6.tar.xz | |
vfs: export symbol d_find_any_alias()
Ceph needs this.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sage Weil <sage@newdream.net>
| -rw-r--r-- | fs/dcache.c | 11 | ||||
| -rw-r--r-- | include/linux/dcache.h | 1 |
2 files changed, 10 insertions, 2 deletions
diff --git a/fs/dcache.c b/fs/dcache.c index 89509b5a090e..ba960051dfb7 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -1471,7 +1471,14 @@ static struct dentry * __d_find_any_alias(struct inode *inode) return alias; } -static struct dentry * d_find_any_alias(struct inode *inode) +/** + * d_find_any_alias - find any alias for a given inode + * @inode: inode to find an alias for + * + * If any aliases exist for the given inode, take and return a + * reference for one of them. If no aliases exist, return %NULL. + */ +struct dentry *d_find_any_alias(struct inode *inode) { struct dentry *de; @@ -1480,7 +1487,7 @@ static struct dentry * d_find_any_alias(struct inode *inode) spin_unlock(&inode->i_lock); return de; } - +EXPORT_SYMBOL(d_find_any_alias); /** * d_obtain_alias - find or allocate a dentry for a given inode diff --git a/include/linux/dcache.h b/include/linux/dcache.h index ed9f74f6c519..3871ba743b4c 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -241,6 +241,7 @@ 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_find_any_alias(struct inode *inode); extern struct dentry * d_obtain_alias(struct inode *); extern void shrink_dcache_sb(struct super_block *); extern void shrink_dcache_parent(struct dentry *); |