ext4: remove plugging from ext4_file_write_iter()
do_blockdev_direct_IO() takes care of properly plugging direct IO so
there's no need to plug again inside ext4_file_write_iter().
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 25342c8..25f763f 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -92,7 +92,6 @@
ext4_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
{
struct inode *inode = file_inode(iocb->ki_filp);
- struct blk_plug plug;
int o_direct = iocb->ki_flags & IOCB_DIRECT;
int unaligned_aio = 0;
int overwrite = 0;
@@ -133,7 +132,6 @@
if (o_direct) {
size_t length = iov_iter_count(from);
loff_t pos = iocb->ki_pos;
- blk_start_plug(&plug);
/* check whether we do a DIO overwrite or not */
if (ext4_should_dioread_nolock(inode) && !unaligned_aio &&
@@ -169,8 +167,6 @@
if (ret > 0)
ret = generic_write_sync(iocb, ret);
- if (o_direct)
- blk_finish_plug(&plug);
return ret;