diff options
| author | Naohiro Aota <naohiro.aota@wdc.com> | 2021-02-04 13:21:49 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2021-02-09 04:46:03 +0300 |
| commit | 381a696eb5f99189a2c8d0d99aae766767f9cb1e (patch) | |
| tree | 0d5a2bc05eddf3625436fdfc0c42fcf373a11efa | |
| parent | 1cd6121f2a382a840f01f506694b54bf403fddc9 (diff) | |
| download | linux-381a696eb5f99189a2c8d0d99aae766767f9cb1e.tar.xz | |
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>
| -rw-r--r-- | fs/btrfs/volumes.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index ae2aeadad5a0..10401def16ef 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -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; |