summaryrefslogtreecommitdiffstats
path: root/mm/filemap.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2012-02-10 23:32:28 -0500
committerDavid S. Miller <davem@davemloft.net>2012-02-10 23:32:28 -0500
commitd5ef8a4d87ab21d575ac86366599c9152a28028d (patch)
tree8b1be85ad1af7ee6a0e3e36c77ae738c966c1f21 /mm/filemap.c
parentd9dd966d7fc088a6bed991c2b1e2fba4485e0a31 (diff)
parent8df54d622a120058ee8bec38743c9b8f091c8e58 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/infiniband/hw/nes/nes_cm.c Simple whitespace conflict. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'mm/filemap.c')
-rw-r--r--mm/filemap.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index 97f49ed35bd..b66275757c2 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1400,15 +1400,12 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov,
unsigned long seg = 0;
size_t count;
loff_t *ppos = &iocb->ki_pos;
- struct blk_plug plug;
count = 0;
retval = generic_segment_checks(iov, &nr_segs, &count, VERIFY_WRITE);
if (retval)
return retval;
- blk_start_plug(&plug);
-
/* coalesce the iovecs and go direct-to-BIO for O_DIRECT */
if (filp->f_flags & O_DIRECT) {
loff_t size;
@@ -1424,8 +1421,12 @@ 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;
@@ -1481,7 +1482,6 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov,
break;
}
out:
- blk_finish_plug(&plug);
return retval;
}
EXPORT_SYMBOL(generic_file_aio_read);