diff options
| author | Keith Busch <kbusch@kernel.org> | 2022-11-10 10:45:01 -0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-11-16 15:58:11 -0700 |
| commit | 50a893359cd2643ee1afc96eedc9e7084cab49fa (patch) | |
| tree | 91960ea443c1a8fc9b6c4efc434a520d2b962be6 /drivers/md | |
| parent | 29aa778bb66795e6a78b1c99beadc83887827868 (diff) | |
| download | linux-stable-50a893359cd2643ee1afc96eedc9e7084cab49fa.tar.gz linux-stable-50a893359cd2643ee1afc96eedc9e7084cab49fa.tar.bz2 linux-stable-50a893359cd2643ee1afc96eedc9e7084cab49fa.zip | |
dm-log-writes: set 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.
Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Mike Snitzer <snitzer@kernel.org>
Link: https://lore.kernel.org/r/20221110184501.2451620-6-kbusch@meta.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-log-writes.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c index 20fd688f72e7..178e13a5b059 100644 --- a/drivers/md/dm-log-writes.c +++ b/drivers/md/dm-log-writes.c @@ -875,6 +875,7 @@ static void log_writes_io_hints(struct dm_target *ti, struct queue_limits *limit limits->logical_block_size = bdev_logical_block_size(lc->dev->bdev); limits->physical_block_size = bdev_physical_block_size(lc->dev->bdev); limits->io_min = limits->physical_block_size; + limits->dma_alignment = limits->logical_block_size - 1; } #if IS_ENABLED(CONFIG_FS_DAX) |