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Diffstat (limited to 'fs/btrfs/volumes.h')
| -rw-r--r-- | fs/btrfs/volumes.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index b72f540c8b29..49e0ff01143f 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -132,7 +132,9 @@ struct btrfs_fs_devices { /* all of the devices in the FS, protected by a mutex * so we can safely walk it to write out the supers without - * worrying about add/remove by the multi-device code + * worrying about add/remove by the multi-device code. + * Scrubbing super can kick off supers writing by holding + * this mutex lock. */ struct mutex device_list_mutex; struct list_head devices; |