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Commit 46f72b34 authored by Sage Weil's avatar Sage Weil
Browse files

vfs: export symbol d_find_any_alias() 



Ceph needs this.

Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarSage Weil <sage@newdream.net>
parent d46cfba5

fs/dcache.c

+9 −2
Original line number Diff line number Diff line
@@ -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

include/linux/dcache.h

+1 −0
Original line number Diff line number Diff line
@@ -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 *);