From 2e3e12815a296f263261b17b3a5781cbd517f7f3 Mon Sep 17 00:00:00 2001 From: Anand Jain Date: Tue, 10 Mar 2015 06:38:32 +0800 Subject: [PATCH] Btrfs: sysfs: provide framework to remove all fsid sysfs kobject Just a helper function to clean up the sysfs fsid kobjects. Signed-off-by: Anand Jain Signed-off-by: David Sterba --- fs/btrfs/sysfs.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 4b9a8df3faea..333ed0840907 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -515,7 +515,7 @@ static int addrm_unknown_feature_attrs(struct btrfs_fs_info *fs_info, bool add) return 0; } -static void btrfs_sysfs_remove_fsid(struct btrfs_fs_devices *fs_devs) +static void __btrfs_sysfs_remove_fsid(struct btrfs_fs_devices *fs_devs) { if (fs_devs->device_dir_kobj) { kobject_del(fs_devs->device_dir_kobj); @@ -528,6 +528,21 @@ static void btrfs_sysfs_remove_fsid(struct btrfs_fs_devices *fs_devs) wait_for_completion(&fs_devs->kobj_unregister); } +/* when fs_devs is NULL it will remove all fsid kobject */ +static void btrfs_sysfs_remove_fsid(struct btrfs_fs_devices *fs_devs) +{ + struct list_head *fs_uuids = btrfs_get_fs_uuids(); + + if (fs_devs) { + __btrfs_sysfs_remove_fsid(fs_devs); + return; + } + + list_for_each_entry(fs_devs, fs_uuids, list) { + __btrfs_sysfs_remove_fsid(fs_devs); + } +} + void btrfs_sysfs_remove_one(struct btrfs_fs_info *fs_info) { btrfs_reset_fs_info_ptr(fs_info); -- 2.34.1