Commit bf609206 authored by David Sterba's avatar David Sterba Committed by Chris Mason
Browse files

btrfs: sysfs: check initialization state before updating features 



If the mount phase is not finished, we can't update the sysfs files.

Reported-by: default avatarChris Mason <clm@fb.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarChris Mason <clm@fb.com>
parent 80ad623e

fs/btrfs/sysfs.c

+3 −0
Original line number Diff line number Diff line
@@ -804,6 +804,9 @@ void btrfs_sysfs_feature_update(struct btrfs_fs_info *fs_info, 
	fs_devs = fs_info->fs_devices;

	fsid_kobj = &fs_devs->fsid_kobj;



	if (!fsid_kobj->state_initialized)

		return;



	/*

	 * FIXME: this is too heavy to update just one value, ideally we'd like

	 * to use sysfs_update_group but some refactoring is needed first.