block: kill off REQ_UNPLUG

With the plugging now being explicitly controlled by the
submitter, callers need not pass down unplugging hints
to the block layer. If they want to unplug, it's because they
manually plugged on their own - in which case, they should just
unplug at will.

Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 955cc309142f..e2cd90e4bb7c 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -310,8 +310,7 @@ static int io_submit_init(struct ext4_io_submit *io,
         io_end->offset = (page->index << PAGE_CACHE_SHIFT) + bh_offset(bh);
 
         io->io_bio = bio;
-        io->io_op = (wbc->sync_mode == WB_SYNC_ALL ?
-                        WRITE_SYNC_PLUG : WRITE);
+        io->io_op = (wbc->sync_mode == WB_SYNC_ALL ?  WRITE_SYNC : WRITE);
         io->io_next_block = bh->b_blocknr;
         return 0;
 }