diff options
| author | Keith Busch <kbusch@kernel.org> | 2022-11-10 10:44:58 -0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-11-16 15:58:11 -0700 |
| commit | 86e4d3e8d1838ca88fb9267e669c36f6c8f7c6cd (patch) | |
| tree | 3295393cfa41c74798d8bc0230ff8858f38c5f21 | |
| parent | c964d62f5cab7b43dd0534f22a96eab386c6ec5d (diff) | |
dm-crypt: provide dma_alignment limit in io_hints
This device mapper needs bio vectors to be sized and memory aligned to
the logical block size. Set the minimum required queue limit
accordingly.
Link: https://lore.kernel.org/linux-block/20221101001558.648ee024@xps.demsh.org/
Fixes: b1a000d3b8ec5 ("block: relax direct io memory alignment")
Reportred-by: Eric Biggers <ebiggers@kernel.org>
Reported-by: Dmitrii Tcvetkov <me@demsh.org>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Mike Snitzer <snitzer@kernel.org>
Link: https://lore.kernel.org/r/20221110184501.2451620-3-kbusch@meta.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | drivers/md/dm-crypt.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 159c6806c19b..2653516bcdef 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -3630,6 +3630,7 @@ static void crypt_io_hints(struct dm_target *ti, struct queue_limits *limits) limits->physical_block_size = max_t(unsigned, limits->physical_block_size, cc->sector_size); limits->io_min = max_t(unsigned, limits->io_min, cc->sector_size); + limits->dma_alignment = limits->logical_block_size - 1; } static struct target_type crypt_target = { |