From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Williams Subject: [PATCH v2 1/9] md/raid5: factor out mark_uptodate from ops_complete_compute5 Date: Mon, 31 Aug 2009 09:41:09 -0700 Message-ID: <20090831164109.1696.8973.stgit@dwillia2-linux.ch.intel.com> References: <20090831163914.1696.55782.stgit@dwillia2-linux.ch.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20090831163914.1696.55782.stgit@dwillia2-linux.ch.intel.com> Sender: linux-raid-owner@vger.kernel.org To: neilb@suse.de Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids ops_complete_compute5 can be reused in the raid6 path if it is updated to generically handle a second target. Signed-off-by: Dan Williams --- drivers/md/raid5.c | 21 ++++++++++++++++----- 1 files changed, 16 insertions(+), 5 deletions(-) diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 1f2a266..e3a2990 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -623,18 +623,29 @@ static void ops_run_biofill(struct stripe_head *sh) async_trigger_callback(&submit); } +static void mark_target_uptodate(struct stripe_head *sh, int target) +{ + struct r5dev *tgt; + + if (target < 0) + return; + + tgt = &sh->dev[target]; + set_bit(R5_UPTODATE, &tgt->flags); + BUG_ON(!test_bit(R5_Wantcompute, &tgt->flags)); + clear_bit(R5_Wantcompute, &tgt->flags); +} + static void ops_complete_compute5(void *stripe_head_ref) { struct stripe_head *sh = stripe_head_ref; - int target = sh->ops.target; - struct r5dev *tgt = &sh->dev[target]; pr_debug("%s: stripe %llu\n", __func__, (unsigned long long)sh->sector); - set_bit(R5_UPTODATE, &tgt->flags); - BUG_ON(!test_bit(R5_Wantcompute, &tgt->flags)); - clear_bit(R5_Wantcompute, &tgt->flags); + /* mark the computed target as uptodate */ + mark_target_uptodate(sh, sh->ops.target); + clear_bit(STRIPE_COMPUTE_RUN, &sh->state); if (sh->check_state == check_state_compute_run) sh->check_state = check_state_compute_result;