From e64855c6cfaa0a80c1b71c5f647cb792dc436668 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Fri, 4 Nov 2016 18:08:15 +0100 Subject: fs: Add helper to clean bdev aliases under a bh and use it Add a helper function that clears buffer heads from a block device aliasing passed bh. Use this helper function from filesystems instead of the original unmap_underlying_metadata() to save some boiler plate code and also have a better name for the functionalily since it is not unmapping anything for a *long* time. Signed-off-by: Jan Kara Signed-off-by: Jens Axboe --- fs/mpage.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'fs/mpage.c') diff --git a/fs/mpage.c b/fs/mpage.c index 98fc11aa7e0b..28af984a3d96 100644 --- a/fs/mpage.c +++ b/fs/mpage.c @@ -555,8 +555,7 @@ static int __mpage_writepage(struct page *page, struct writeback_control *wbc, if (mpd->get_block(inode, block_in_file, &map_bh, 1)) goto confused; if (buffer_new(&map_bh)) - unmap_underlying_metadata(map_bh.b_bdev, - map_bh.b_blocknr); + clean_bdev_bh_alias(&map_bh); if (buffer_boundary(&map_bh)) { boundary_block = map_bh.b_blocknr; boundary_bdev = map_bh.b_bdev; -- cgit v1.2.3