diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-09-25 11:13:51 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-09-25 11:13:51 +0200 |
| commit | 56fb05093756ed55ba1cdf5d432a68004da67860 (patch) | |
| tree | 87dc333d4f606f375d6253eb5b8ef6f04674ffa6 /drivers/md | |
| parent | b6a153b0829afbc63032e8271d3ca9a19e704e03 (diff) | |
| parent | da274362a7bd9ab3a6e46d15945029145ebce672 (diff) | |
Merge v6.12.49linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-raid.c | 6 | ||||
| -rw-r--r-- | drivers/md/dm-stripe.c | 10 |
2 files changed, 11 insertions, 5 deletions
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 163a5bbd485f..c69696d2540a 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -3811,8 +3811,10 @@ static void raid_io_hints(struct dm_target *ti, struct queue_limits *limits) struct raid_set *rs = ti->private; unsigned int chunk_size_bytes = to_bytes(rs->md.chunk_sectors); - limits->io_min = chunk_size_bytes; - limits->io_opt = chunk_size_bytes * mddev_data_stripes(rs); + if (chunk_size_bytes) { + limits->io_min = chunk_size_bytes; + limits->io_opt = chunk_size_bytes * mddev_data_stripes(rs); + } } static void raid_presuspend(struct dm_target *ti) diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index c68dc1653cfd..cbf4c102c4d0 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c @@ -457,11 +457,15 @@ static void stripe_io_hints(struct dm_target *ti, struct queue_limits *limits) { struct stripe_c *sc = ti->private; - unsigned int chunk_size = sc->chunk_size << SECTOR_SHIFT; + unsigned int io_min, io_opt; limits->chunk_sectors = sc->chunk_size; - limits->io_min = chunk_size; - limits->io_opt = chunk_size * sc->stripes; + + if (!check_shl_overflow(sc->chunk_size, SECTOR_SHIFT, &io_min) && + !check_mul_overflow(io_min, sc->stripes, &io_opt)) { + limits->io_min = io_min; + limits->io_opt = io_opt; + } } static struct target_type stripe_target = { |