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ceph: document locking for ceph_set_dentry_offset

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Reviewed-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil
2011-07-26 11:31:08 -07:00
parent e5f86dc377
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 * Set dentry's directory position based on the current dir's max, and
* order it in d_subdirs, so that dcache_readdir behaves. * 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) static void ceph_set_dentry_offset(struct dentry *dn)
{ {
struct dentry *dir = dn->d_parent; 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; struct ceph_dentry_info *di;
BUG_ON(!inode); BUG_ON(!inode);