diff options
| author | Fengguang Wu <fengguang.wu@intel.com> | 2012-08-09 15:23:09 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2012-08-09 15:23:09 +0200 |
| commit | 647d1e4c5235763b83fbfe74a09d148edc6ca152 (patch) | |
| tree | 5c7be727323b16ee80ddba672b3b3baa69454486 /mm | |
| parent | block: remove plugging at buffered write time (diff) | |
| download | linux-647d1e4c5235763b83fbfe74a09d148edc6ca152.tar.xz linux-647d1e4c5235763b83fbfe74a09d148edc6ca152.zip | |
block: move down direct IO plugging
Move unplugging for direct I/O from around ->direct_IO() down to
do_blockdev_direct_IO(). This implicitly adds plugging for direct
writes.
CC: Li Shaohua <shli@fusionio.com>
Acked-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/filemap.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 2b0952974cb9..384344575c37 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1412,12 +1412,8 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov, retval = filemap_write_and_wait_range(mapping, pos, pos + iov_length(iov, nr_segs) - 1); if (!retval) { - struct blk_plug plug; - - blk_start_plug(&plug); retval = mapping->a_ops->direct_IO(READ, iocb, iov, pos, nr_segs); - blk_finish_plug(&plug); } if (retval > 0) { *ppos = pos + retval; |