commit dde0c2e79848298cc25621ad080d47f94dbd7cce
author Christoph Hellwig <hch@lst.de> Thu Apr 07 08:52:00 2016 -0700
committer Al Viro <viro@zeniv.linux.org.uk> Sun May 01 19:58:39 2016 -0400
tree 678f9ff7cba4bb170db9985266efd62521561f46
parent 716b9bc0cb50b1c2c15ef6a255c88508350e3462

fs: add IOCB_SYNC and IOCB_DSYNC

This will allow us to do per-I/O sync file writes, as required by a lot
of fileservers or storage targets.

XXX: Will need a few additional audits for O_DSYNC

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

mm/filemap.c

diff --git a/mm/filemap.c b/mm/filemap.c
index cb36db9..8345d6d 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2794,7 +2794,7 @@
 	if (ret > 0) {
 		ssize_t err;
 
-		err = generic_write_sync(file, iocb->ki_pos - ret, ret);
+		err = generic_write_sync(iocb, iocb->ki_pos - ret, ret);
 		if (err < 0)
 			ret = err;
 	}