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>

1 files changed, 0 insertions, 2 deletions

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 656e16907430..7c69f4f0dee6 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -716,7 +716,6 @@ static ssize_t ceph_aio_write(struct kiocb *iocb, const struct iovec *iov,
         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 @@ retry_snap:
 out:
         if (hold_mutex)
                 mutex_unlock(&inode->i_mutex);
-        sb_end_write(inode->i_sb);
         current->backing_dev_info = NULL;
 
         return written ? written : err;