diff options
| -rw-r--r-- | fs/btrfs/zoned.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c index 4f3bbba5815e..c7243d392ca8 100644 --- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -1204,6 +1204,13 @@ int btrfs_load_block_group_zone_info(struct btrfs_block_group *cache, bool new) switch (map->type & BTRFS_BLOCK_GROUP_PROFILE_MASK) { case 0: /* single */ + if (alloc_offsets[0] == WP_MISSING_DEV) { + btrfs_err(fs_info, + "zoned: cannot recover write pointer for zone %llu", + physical); + ret = -EIO; + goto out; + } cache->alloc_offset = alloc_offsets[0]; break; case BTRFS_BLOCK_GROUP_DUP: @@ -1221,6 +1228,13 @@ int btrfs_load_block_group_zone_info(struct btrfs_block_group *cache, bool new) } out: + if (cache->alloc_offset > fs_info->zone_size) { + btrfs_err(fs_info, + "zoned: invalid write pointer %llu in block group %llu", + cache->alloc_offset, cache->start); + ret = -EIO; + } + /* An extent is allocated after the write pointer */ if (!ret && num_conventional && last_alloc > cache->alloc_offset) { btrfs_err(fs_info, |