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Commit 4f177264 authored by Sage Weil's avatar Sage Weil
Browse files

ceph: document locking for ceph_set_dentry_offset 



Reviewed-by: default avatarYehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: default avatarSage Weil <sage@newdream.net>
parent e5f86dc3

fs/ceph/inode.c

+3 −1
Original line number Original line Diff line number Diff line
@@ -843,11 +843,13 @@ static void update_dentry_lease(struct dentry *dentry, 
/*

/*

 * 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);