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btrfs: undo writable superblocke when sprouting fails

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When new device is being added to seed FS, seed FS is marked writable,
but when we fail to bring in the new device, we missed to undo the
writable part. This patch fixes it.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Anand Jain
2017-09-28 14:51:09 +08:00
committed by David Sterba
parent 4b865cab96
commit 0af2c4bf5a
1 changed files with 2 additions and 0 deletions
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2
fs/btrfs/volumes.c
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@@ -2496,6 +2496,8 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *device_path
return ret;
error_trans:
if (seeding_dev)
sb->s_flags |= MS_RDONLY;
btrfs_end_transaction(trans);
rcu_string_free(device->name);
btrfs_sysfs_rm_device_link(fs_info->fs_devices, device);