| Message ID | 20241028152730.3377030-6-john.g.garry@oracle.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | bio_split() error handling rework | expand |
在 2024/10/28 23:27, John Garry 写道: > Add proper bio_split() error handling. For any error, set bi_status, end > the bio, and return. > > Signed-off-by: John Garry <john.g.garry@oracle.com> > --- > drivers/md/raid0.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > LGTM Reviewed-by: Yu Kuai <yukuai3@huawei.com> > diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c > index 32d587524778..baaf5f8b80ae 100644 > --- a/drivers/md/raid0.c > +++ b/drivers/md/raid0.c > @@ -466,6 +466,12 @@ static void raid0_handle_discard(struct mddev *mddev, struct bio *bio) > struct bio *split = bio_split(bio, > zone->zone_end - bio->bi_iter.bi_sector, GFP_NOIO, > &mddev->bio_set); > + > + if (IS_ERR(split)) { > + bio->bi_status = errno_to_blk_status(PTR_ERR(split)); > + bio_endio(bio); > + return; > + } > bio_chain(split, bio); > submit_bio_noacct(bio); > bio = split; > @@ -608,6 +614,12 @@ static bool raid0_make_request(struct mddev *mddev, struct bio *bio) > if (sectors < bio_sectors(bio)) { > struct bio *split = bio_split(bio, sectors, GFP_NOIO, > &mddev->bio_set); > + > + if (IS_ERR(split)) { > + bio->bi_status = errno_to_blk_status(PTR_ERR(split)); > + bio_endio(bio); > + return true; > + } > bio_chain(split, bio); > raid0_map_submit_bio(mddev, bio); > bio = split; >
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 32d587524778..baaf5f8b80ae 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -466,6 +466,12 @@ static void raid0_handle_discard(struct mddev *mddev, struct bio *bio) struct bio *split = bio_split(bio, zone->zone_end - bio->bi_iter.bi_sector, GFP_NOIO, &mddev->bio_set); + + if (IS_ERR(split)) { + bio->bi_status = errno_to_blk_status(PTR_ERR(split)); + bio_endio(bio); + return; + } bio_chain(split, bio); submit_bio_noacct(bio); bio = split; @@ -608,6 +614,12 @@ static bool raid0_make_request(struct mddev *mddev, struct bio *bio) if (sectors < bio_sectors(bio)) { struct bio *split = bio_split(bio, sectors, GFP_NOIO, &mddev->bio_set); + + if (IS_ERR(split)) { + bio->bi_status = errno_to_blk_status(PTR_ERR(split)); + bio_endio(bio); + return true; + } bio_chain(split, bio); raid0_map_submit_bio(mddev, bio); bio = split;
Add proper bio_split() error handling. For any error, set bi_status, end the bio, and return. Signed-off-by: John Garry <john.g.garry@oracle.com> --- drivers/md/raid0.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)