commit 0405a1499df42a2b9fd4906096c6bb950e15e850
author Jianpeng Ma <majianpeng@gmail.com> Sun Jun 23 09:48:38 2013 -0700
committer Sage Weil <sage@inktank.com> Wed Jul 03 15:32:52 2013 -0700
tree ffa21d143072f825f25232b8f8680872d0aec816
parent c62988ec0910a2d480fecb2f0140a36fcdc7b691

ceph: remove sb_start/end_write in ceph_aio_write.

Either in vfs_write or io_submit,it call file_start/end_write.
The different between file_start/end_write and sb_start/end_write is
file_ only handle regular file.But i think in ceph_aio_write,it only
for regular file.

Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Acked-by: Yan, Zheng <zheng.z.yan@intel.com>

fs/ceph/file.c

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 656e169..7c69f4f 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -716,7 +716,6 @@
 	if (ceph_snap(inode) != CEPH_NOSNAP)
 		return -EROFS;
 
-	sb_start_write(inode->i_sb);
 	mutex_lock(&inode->i_mutex);
 	hold_mutex = true;
 
@@ -809,7 +808,6 @@
 out:
 	if (hold_mutex)
 		mutex_unlock(&inode->i_mutex);
-	sb_end_write(inode->i_sb);
 	current->backing_dev_info = NULL;
 
 	return written ? written : err;