From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kara Subject: Re: [PATCH 05/12] block_dev: get bdev inode bdi directly from the block device Date: Wed, 14 Jan 2015 14:00:21 +0100 Message-ID: <20150114130021.GG10215@quack.suse.cz> References: <1421228561-16857-1-git-send-email-hch@lst.de> <1421228561-16857-6-git-send-email-hch@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1421228561-16857-6-git-send-email-hch@lst.de> Sender: owner-linux-mm@kvack.org To: Christoph Hellwig Cc: Jens Axboe , David Howells , Tejun Heo , linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-mtd@lists.infradead.org, linux-nfs@vger.kernel.org, ceph-devel@vger.kernel.org List-Id: ceph-devel.vger.kernel.org On Wed 14-01-15 10:42:34, Christoph Hellwig wrote: > Directly grab the backing_dev_info from the request_queue instead of > detouring through the address_space. > > Signed-off-by: Christoph Hellwig > Reviewed-by: Tejun Heo Looks good. You can add: Reviewed-by: Jan Kara Honza > --- > 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 from this list: send the line "unsubscribe linux-fsdevel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Jan Kara SUSE Labs, CR -- 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