From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: [PATCH 5/8] block_dev: get bdev inode bdi directly from the block device Date: Tue, 30 Dec 2014 09:57:36 +0100 Message-ID: <1419929859-24427-6-git-send-email-hch@lst.de> References: <1419929859-24427-1-git-send-email-hch@lst.de> Cc: David Howells , linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-mtd@lists.infradead.org To: Jens Axboe Return-path: In-Reply-To: <1419929859-24427-1-git-send-email-hch@lst.de> Sender: owner-linux-mm@kvack.org List-Id: linux-fsdevel.vger.kernel.org Directly grab the backing_dev_info from the request_queue instead of detouring through the address_space. Signed-off-by: Christoph Hellwig --- fs/fs-writeback.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 2d609a5..e8116a4 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -69,10 +69,10 @@ EXPORT_SYMBOL(writeback_in_progress); static inline struct backing_dev_info *inode_to_bdi(struct inode *inode) { struct super_block *sb = inode->i_sb; - +#ifdef CONFIG_BLOCK if (sb_is_blkdev_sb(sb)) - return inode->i_mapping->backing_dev_info; - + return blk_get_backing_dev_info(I_BDEV(inode)); +#endif return sb->s_bdi; } -- 1.9.1 -- 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/ . Don't email: email@kvack.org