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-rw-r--r--drivers/md/raid10.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index be1a9fc..39fddda 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -447,6 +447,9 @@ static void raid10_end_write_request(struct bio *bio)
struct r10conf *conf = r10_bio->mddev->private;
int slot, repl;
struct md_rdev *rdev = NULL;
+ bool discard_error;
+
+ discard_error = bio->bi_error && bio_op(bio) == REQ_OP_DISCARD;
dev = find_bio_disk(conf, r10_bio, bio, &slot, &repl);
@@ -460,7 +463,7 @@ static void raid10_end_write_request(struct bio *bio)
/*
* this branch is our 'one mirror IO has finished' event handler:
*/
- if (bio->bi_error) {
+ if (bio->bi_error && !discard_error) {
if (repl)
/* Never record new bad blocks to replacement,
* just fail it.
@@ -503,7 +506,7 @@ static void raid10_end_write_request(struct bio *bio)
if (is_badblock(rdev,
r10_bio->devs[slot].addr,
r10_bio->sectors,
- &first_bad, &bad_sectors)) {
+ &first_bad, &bad_sectors) && !discard_error) {
bio_put(bio);
if (repl)
r10_bio->devs[slot].repl_bio = IO_MADE_GOOD;
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