[PATCH] ovl: fix comment about locking order

[Amir Goldstein <amir73il@gmail.com>]

Forgot to update the comment when we changed the locking order.

Fixes: 162d06444070c ("ovl: reorder ovl_want_write() after ovl_inode_lock()")
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
---

Christian,

Could this patch get a ride on the vfs-7.2.misc bus
or one of the following vfs.fixes buses?

Otherwise, I shall queue it for some future ovl PR.

Thanks,
Amir.

 fs/overlayfs/inode.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index 00c69707bda98..bc71231cad532 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -783,8 +783,8 @@ static const struct address_space_operations ovl_aops = {
  *
  * This chain is valid:
  * - inode->i_rwsem			(inode_lock[2])
- * - upper_mnt->mnt_sb->s_writers	(ovl_want_write[0])
  * - OVL_I(inode)->lock			(ovl_inode_lock[2])
+ * - upper_mnt->mnt_sb->s_writers	(ovl_want_write[0])
  * - OVL_I(lowerinode)->lock		(ovl_inode_lock[1])
  *
  * And this chain is valid:
@@ -797,8 +797,8 @@ static const struct address_space_operations ovl_aops = {
  * held, because it is in reverse order of the non-nested case using the same
  * upper fs:
  * - inode->i_rwsem			(inode_lock[1])
- * - upper_mnt->mnt_sb->s_writers	(ovl_want_write[0])
  * - OVL_I(inode)->lock			(ovl_inode_lock[1])
+ * - upper_mnt->mnt_sb->s_writers	(ovl_want_write[0])
  */
 #define OVL_MAX_NESTING FILESYSTEM_MAX_STACK_DEPTH
 
-- 
2.54.0