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ceph: document locking for ceph_set_dentry_offset

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Reviewed-by: Yehuda Sadeh <[email protected]>
Signed-off-by: Sage Weil <[email protected]>
This commit is contained in:
Sage Weil 2011-07-26 11:31:08 -07:00
commit 4f17726452
1 changed files with 3 additions and 1 deletions
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4
fs/ceph/inode.c
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@ -843,11 +843,13 @@ out_unlock:
/*
* Set dentry's directory position based on the current dir's max, and
* order it in d_subdirs, so that dcache_readdir behaves.
*
* Always called under directory's i_mutex.
*/
static void ceph_set_dentry_offset(struct dentry *dn)
{
struct dentry *dir = dn->d_parent;
struct inode *inode = dn->d_parent->d_inode;
struct inode *inode = dir->d_inode;
struct ceph_dentry_info *di;
BUG_ON(!inode);