From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: [PATCH 2/5] exofs: use bio_clone_fast in _write_mirror Date: Tue, 24 Jul 2018 09:52:31 +0200 Message-ID: <20180724075234.26861-3-hch@lst.de> References: <20180724075234.26861-1-hch@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20180724075234.26861-1-hch@lst.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Jens Axboe Cc: linux-block@vger.kernel.org, Boaz Harrosh , linux-bcache@vger.kernel.org, dm-devel@redhat.com List-Id: linux-bcache@vger.kernel.org The mirroring code never changes the bio data or biovecs. This means we can reuse the biovec allocation easily instead of duplicating it. Signed-off-by: Christoph Hellwig Acked-by Boaz Harrosh Reviewed-by: Ming Lei --- fs/exofs/ore.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/exofs/ore.c b/fs/exofs/ore.c index 1b8b44637e70..5331a15a61f1 100644 --- a/fs/exofs/ore.c +++ b/fs/exofs/ore.c @@ -873,8 +873,8 @@ static int _write_mirror(struct ore_io_state *ios, int cur_comp) struct bio *bio; if (per_dev != master_dev) { - bio = bio_clone_kmalloc(master_dev->bio, - GFP_KERNEL); + bio = bio_clone_fast(master_dev->bio, + GFP_KERNEL, NULL); if (unlikely(!bio)) { ORE_DBGMSG( "Failed to allocate BIO size=%u\n", -- 2.18.0