From: Maik Hampel <[email protected]>
In case of read errors raid10d tries to print a nice error message,
unfortunately using data from an already put bio.
Signed-off-by: Maik Hampel <[email protected]>
Acked-By: NeilBrown <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/md/raid10.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1565,7 +1565,6 @@ static void raid10d(mddev_t *mddev)
bio = r10_bio->devs[r10_bio->read_slot].bio;
r10_bio->devs[r10_bio->read_slot].bio =
mddev->ro ? IO_BLOCKED : NULL;
- bio_put(bio);
mirror = read_balance(conf, r10_bio);
if (mirror == -1) {
printk(KERN_ALERT "raid10: %s: unrecoverable I/O"
@@ -1573,8 +1572,10 @@ static void raid10d(mddev_t *mddev)
bdevname(bio->bi_bdev,b),
(unsigned long long)r10_bio->sector);
raid_end_bio_io(r10_bio);
+ bio_put(bio);
} else {
const int do_sync = bio_sync(r10_bio->master_bio);
+ bio_put(bio);
rdev = conf->mirrors[mirror].rdev;
if (printk_ratelimit())
printk(KERN_ERR "raid10: %s: redirecting sector %llu to"
--
-
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