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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-03-05 13:25:23 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-03-05 13:25:23 -0800 |
| commit | 63dcd69d9b497c045c4169cddc6a24e1a7428f88 (patch) | |
| tree | 8afa226de6cfa82f63e0f22e643a5b48dd7a9fae /drivers/md/dm-bufio.c | |
| parent | 47454caf45f0481988912a4980ef751a1c637b76 (diff) | |
| parent | df7b59ba9245c4a3115ebaa905e3e5719a3810da (diff) | |
| download | linux-stericsson-63dcd69d9b497c045c4169cddc6a24e1a7428f88.tar.gz | |
Merge tag 'for-5.12/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
"Fix DM verity target's optional Forward Error Correction (FEC) for
Reed-Solomon roots that are unaligned to block size"
* tag 'for-5.12/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm verity: fix FEC for RS roots unaligned to block size
dm bufio: subtract the number of initial sectors in dm_bufio_get_device_size
Diffstat (limited to 'drivers/md/dm-bufio.c')
| -rw-r--r-- | drivers/md/dm-bufio.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index fce4cbf9529d..50f3e673729c 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -1526,6 +1526,10 @@ EXPORT_SYMBOL_GPL(dm_bufio_get_block_size); sector_t dm_bufio_get_device_size(struct dm_bufio_client *c) { sector_t s = i_size_read(c->bdev->bd_inode) >> SECTOR_SHIFT; + if (s >= c->start) + s -= c->start; + else + s = 0; if (likely(c->sectors_per_block_bits >= 0)) s >>= c->sectors_per_block_bits; else |