[PATCH v3 1/3] ext4: Clean up some wait_on_page_writeback calls

["Darrick J. Wong" <djwong@us.ibm.com>]

wait_on_page_writeback already checks the writeback bit, so callers of it
needn't do that test.

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
---

 fs/ext4/inode.c       |    4 +---
 fs/ext4/move_extent.c |    3 +--
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index f2fa5e8..3db34b2 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2796,9 +2796,7 @@ static int write_cache_pages_da(struct address_space *mapping,
 				continue;
 			}
 
-			if (PageWriteback(page))
-				wait_on_page_writeback(page);
-
+			wait_on_page_writeback(page);
 			BUG_ON(PageWriteback(page));
 
 			if (mpd->next_page != page->index)
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index d5c5783..d1548b1 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -876,8 +876,7 @@ move_extent_per_page(struct file *o_filp, struct inode *donor_inode,
 	 * It needs to call wait_on_page_writeback() to wait for the
 	 * writeback of the page.
 	 */
-	if (PageWriteback(page))
-		wait_on_page_writeback(page);
+	wait_on_page_writeback(page);
 
 	/* Release old bh and drop refs */
 	try_to_release_page(page, 0);

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>