btrfs_init_new_device() calls btrfs_attach_transaction() to
commit sys chunks, and it should error out if it fails.
Signed-off-by: Anand Jain <anand.j...@oracle.com>
Reviewed-by: Qu Wenruo <quwenruo.bt...@gmx.com>
---
v4: make this patch as part of this set.
avoid double mutext unlock.
v3: not part of this set
v2: patch did not exist
v1: patch did not exist
fs/btrfs/volumes.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 4cb575fbf643..bdb8f04663a4 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -2323,6 +2323,7 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info,
const char *device_path
u64 tmp;
int seeding_dev = 0;
int ret = 0;
+ bool unlocked = false;
if (sb_rdonly(sb) && !fs_info->fs_devices->seeding)
return -EROFS;
@@ -2482,6 +2483,7 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info,
const char *device_path
if (seeding_dev) {
mutex_unlock(&uuid_mutex);
up_write(&sb->s_umount);
+ unlocked = true;
if (ret) /* transaction commit */
return ret;
@@ -2494,7 +2496,8 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info,
const char *device_path
if (IS_ERR(trans)) {
if (PTR_ERR(trans) == -ENOENT)
return 0;
- return PTR_ERR(trans);
+ ret = PTR_ERR(trans);
+ goto error_sysfs;
}
ret = btrfs_commit_transaction(trans);
}
@@ -2513,7 +2516,7 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info,
const char *device_path
kfree(device);
error:
blkdev_put(bdev, FMODE_EXCL);
- if (seeding_dev) {
+ if (seeding_dev && !unlocked) {
mutex_unlock(&uuid_mutex);
up_write(&sb->s_umount);
}
--
2.13.1
--
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