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authorNaohiro Aota <naohiro.aota@wdc.com>2021-02-04 19:21:49 +0900
committerDavid Sterba <dsterba@suse.com>2021-02-09 02:46:03 +0100
commit381a696eb5f99189a2c8d0d99aae766767f9cb1e (patch)
tree0d5a2bc05eddf3625436fdfc0c42fcf373a11efa /fs/btrfs
parent1cd6121f2a382a840f01f506694b54bf403fddc9 (diff)
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>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/volumes.c14
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;