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btrfs: zoned: verify device extent is aligned to zone 

Add a check in verify_one_dev_extent() to ensure that a device extent on
a zoned block device is aligned to the respective zone boundary.

If it isn't, mark the filesystem as unclean.

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Naohiro Aota 2021-02-04 19:21:49 +09:00 committed by David Sterba
parent 1cd6121f2a
commit 381a696eb5
1 changed files with 14 additions and 0 deletions
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14
fs/btrfs/volumes.c
View File

@ -7769,6 +7769,20 @@ static int verify_one_dev_extent(struct btrfs_fs_info *fs_info,
ret = -EUCLEAN;
goto out;
}
if (dev->zone_info) {
u64 zone_size = dev->zone_info->zone_size;
if (!IS_ALIGNED(physical_offset, zone_size) ||
!IS_ALIGNED(physical_len, zone_size)) {
btrfs_err(fs_info,
"zoned: dev extent devid %llu physical offset %llu len %llu is not aligned to device zone",
devid, physical_offset, physical_len);
ret = -EUCLEAN;
goto out;
}
}
out:
free_extent_map(em);
return ret;