diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-09-05 20:05:11 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-09-05 20:05:11 +0800 |
| commit | 75d8f2931a803b803cb4a850448460475c20f30b (patch) | |
| tree | 9853b9084fa55609c8e4abbc1763bc500e05da50 /fs/direct-io.c | |
| parent | ffb690d5aa36d38d7bed7579e3f07b84ff6b3a08 (diff) | |
| parent | e93c7d1bc350189511d32cec2f0af79c30e7fa47 (diff) | |
Merge branch 'asoc-omap' into for-3.7
Diffstat (limited to 'fs/direct-io.c')
| -rw-r--r-- | fs/direct-io.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/direct-io.c b/fs/direct-io.c index 1faf4cb56f39..f86c720dba0e 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -1062,6 +1062,7 @@ do_blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode, unsigned long user_addr; size_t bytes; struct buffer_head map_bh = { 0, }; + struct blk_plug plug; if (rw & WRITE) rw = WRITE_ODIRECT; @@ -1177,6 +1178,8 @@ do_blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode, PAGE_SIZE - user_addr / PAGE_SIZE); } + blk_start_plug(&plug); + for (seg = 0; seg < nr_segs; seg++) { user_addr = (unsigned long)iov[seg].iov_base; sdio.size += bytes = iov[seg].iov_len; @@ -1235,6 +1238,8 @@ do_blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode, if (sdio.bio) dio_bio_submit(dio, &sdio); + blk_finish_plug(&plug); + /* * It is possible that, we return short IO due to end of file. * In that case, we need to release all the pages we got hold on. |