diff options
| author |   Anand Jain <Anand.Jain@oracle.com> | 2014-08-13 14:24:19 +0800 |
|---|---|---|
| committer |   Chris Mason <clm@fb.com> | 2014-09-17 13:38:04 -0700 |
| commit | d51908ce4e5d7f7b07867180e36b9935094b78f2 (patch) | |
| tree | 86ae036c1c55f0bf9543b3ecea11d075030c2945 /fs/btrfs/volumes.c | |
| parent | btrfs: Drop stray check of fixup_workers creation (diff) | |
| download | linux-dev-d51908ce4e5d7f7b07867180e36b9935094b78f2.tar.xz linux-dev-d51908ce4e5d7f7b07867180e36b9935094b78f2.zip | |
btrfs: preparatory to make btrfs_rm_dev_replace_srcdev() seed aware
There is no logical change in this patch, just a preparatory patch,
so that changes can be easily reasoned.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs/volumes.c')
| -rw-r--r-- | fs/btrfs/volumes.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index ff8386eb3367..096b4a3dc5a9 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1815,19 +1815,23 @@ error_undo: void btrfs_rm_dev_replace_srcdev(struct btrfs_fs_info *fs_info, struct btrfs_device *srcdev) { + struct btrfs_fs_devices *fs_devices; + WARN_ON(!mutex_is_locked(&fs_info->fs_devices->device_list_mutex)); + fs_devices = fs_info->fs_devices; + list_del_rcu(&srcdev->dev_list); list_del_rcu(&srcdev->dev_alloc_list); - fs_info->fs_devices->num_devices--; + fs_devices->num_devices--; if (srcdev->missing) { - fs_info->fs_devices->missing_devices--; - fs_info->fs_devices->rw_devices++; + fs_devices->missing_devices--; + fs_devices->rw_devices++; } if (srcdev->can_discard) - fs_info->fs_devices->num_can_discard--; + fs_devices->num_can_discard--; if (srcdev->bdev) { - fs_info->fs_devices->open_devices--; + fs_devices->open_devices--; /* * zero out the old super if it is not writable |