linux-ext4 - [PATCH 4/6] ext2: Use clean_bdev_aliases() instead of iteration

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Message-Id: <1478279296-6575-5-git-send-email-jack@suse.cz>
Date:   Fri,  4 Nov 2016 18:08:14 +0100
From:   Jan Kara <jack@...e.cz>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Christoph Hellwig <hch@...radead.org>,
        linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
        ocfs2-devel@....oracle.com, Evgeniy Dushistov <dushistov@...l.ru>,
        linux-ntfs-dev@...ts.sourceforge.net, Jan Kara <jack@...e.cz>
Subject: [PATCH 4/6] ext2: Use clean_bdev_aliases() instead of iteration

Use clean_bdev_aliases() instead of iterating through blocks one by one.

Signed-off-by: Jan Kara <jack@...e.cz>
---
 fs/ext2/inode.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index d831e24dc885..eb11f7e2b8aa 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -732,16 +732,13 @@ static int ext2_get_blocks(struct inode *inode,
 	}
 
 	if (IS_DAX(inode)) {
-		int i;
-
 		/*
 		 * We must unmap blocks before zeroing so that writeback cannot
 		 * overwrite zeros with stale data from block device page cache.
 		 */
-		for (i = 0; i < count; i++) {
-			unmap_underlying_metadata(inode->i_sb->s_bdev,
-					le32_to_cpu(chain[depth-1].key) + i);
-		}
+		clean_bdev_aliases(inode->i_sb->s_bdev,
+				   le32_to_cpu(chain[depth-1].key),
+				   count);
 		/*
 		 * block must be initialised before we put it in the tree
 		 * so that it's not found by another thread before it's
-- 
2.6.6

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