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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-09-26 21:07:20 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-09-26 21:07:20 -0400 |
| commit | 5905db5ca0ac9a6d5bfe87f86b87cd1bdec3755a (patch) | |
| tree | 6edb13ed37d842ef0b70d072b94e4c78010f90cf /fs/direct-io.c | |
| parent | c5aa1e554a20fb3542c62688ae46049c9225a965 (diff) | |
| parent | 6f0f9b6b3fcfe5e156f20d4f804f0d505c750b3c (diff) | |
| download | linux-5905db5ca0ac9a6d5bfe87f86b87cd1bdec3755a.tar.gz | |
Merge remote branch 'origin' into for-next
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. |