Hello,
Reduce the raid6_end_write_request() spinlock window.
Signed-off-by: Coywolf Qi Hunt <[email protected]>
---
diff --git a/drivers/md/raid6main.c b/drivers/md/raid6main.c
index bc69355..820536e 100644
--- a/drivers/md/raid6main.c
+++ b/drivers/md/raid6main.c
@@ -468,7 +468,6 @@ static int raid6_end_write_request (stru
struct stripe_head *sh = bi->bi_private;
raid6_conf_t *conf = sh->raid_conf;
int disks = conf->raid_disks, i;
- unsigned long flags;
int uptodate = test_bit(BIO_UPTODATE, &bi->bi_flags);
if (bi->bi_size)
@@ -486,16 +485,14 @@ static int raid6_end_write_request (stru
return 0;
}
- spin_lock_irqsave(&conf->device_lock, flags);
if (!uptodate)
md_error(conf->mddev, conf->disks[i].rdev);
rdev_dec_pending(conf->disks[i].rdev, conf->mddev);
-
clear_bit(R5_LOCKED, &sh->dev[i].flags);
set_bit(STRIPE_HANDLE, &sh->state);
- __release_stripe(conf, sh);
- spin_unlock_irqrestore(&conf->device_lock, flags);
+ release_stripe(sh);
+
return 0;
}
--
Coywolf Qi Hunt
-
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