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| author | Anand Jain <anand.jain@oracle.com> | 2023-10-04 23:00:25 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2023-10-12 16:44:18 +0200 |
| commit | c47b02c1bddf7c4d56e01bccc99e73ae5309fe07 (patch) | |
| tree | e7e46086f782ace8d8a2f27bfd9855c05c08c790 /fs/btrfs/volumes.c | |
| parent | 000331bb0350366219887d14ae8a921ae9e72269 (diff) | |
| download | linux-c47b02c1bddf7c4d56e01bccc99e73ae5309fe07.tar.gz linux-c47b02c1bddf7c4d56e01bccc99e73ae5309fe07.tar.bz2 linux-c47b02c1bddf7c4d56e01bccc99e73ae5309fe07.zip | |
btrfs: disable the seed feature for temp-fsid
A seed device is an integral component of the sprout device, which
functions as a multi-device filesystem. Therefore, temp-fsid feature
is not supported.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/volumes.c')
| -rw-r--r-- | fs/btrfs/volumes.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 81b735f4efc1..1fdfa9153e30 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -571,6 +571,14 @@ static struct btrfs_fs_devices *find_fsid_by_device( if (btrfs_super_num_devices(disk_super) != 1) return fsid_fs_devices; + /* + * A seed device is an integral component of the sprout device, which + * functions as a multi-device filesystem. So, temp-fsid feature is + * not supported. + */ + if (btrfs_super_flags(disk_super) & BTRFS_SUPER_FLAG_SEEDING) + return fsid_fs_devices; + /* Try to find a fs_devices by matching devt. */ list_for_each_entry(devt_fs_devices, &fs_uuids, fs_list) { struct btrfs_device *device; |