From b7c35e81adcd593daca2160b5ba0ec62f71a9303 Mon Sep 17 00:00:00 2001 From: Anand Jain Date: Tue, 10 Mar 2015 06:38:38 +0800 Subject: [PATCH] Btrfs: sysfs: separate kobject and attribute creation Signed-off-by: Anand Jain Signed-off-by: David Sterba --- fs/btrfs/disk-io.c | 18 +++++++++++++++++- fs/btrfs/sysfs.c | 15 ++------------- 2 files changed, 19 insertions(+), 14 deletions(-) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index c42503cf3462..d29a2515f1e8 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2873,10 +2873,22 @@ retry_root_backup: btrfs_close_extra_devices(fs_devices, 1); + ret = btrfs_sysfs_add_fsid(fs_devices, NULL); + if (ret) { + pr_err("BTRFS: failed to init sysfs fsid interface: %d\n", ret); + goto fail_block_groups; + } + + ret = btrfs_sysfs_add_device(fs_devices); + if (ret) { + pr_err("BTRFS: failed to init sysfs device interface: %d\n", ret); + goto fail_fsdev_sysfs; + } + ret = btrfs_sysfs_add_one(fs_info); if (ret) { pr_err("BTRFS: failed to init sysfs interface: %d\n", ret); - goto fail_block_groups; + goto fail_fsdev_sysfs; } ret = btrfs_init_space_info(fs_info); @@ -3054,6 +3066,9 @@ fail_cleaner: fail_sysfs: btrfs_sysfs_remove_one(fs_info); +fail_fsdev_sysfs: + btrfs_sysfs_remove_fsid(fs_info->fs_devices); + fail_block_groups: btrfs_put_block_group_cache(fs_info); btrfs_free_block_groups(fs_info); @@ -3731,6 +3746,7 @@ void close_ctree(struct btrfs_root *root) } btrfs_sysfs_remove_one(fs_info); + btrfs_sysfs_remove_fsid(fs_info->fs_devices); btrfs_free_fs_roots(fs_info); diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 06eae456612f..b35366c88d3d 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -556,7 +556,6 @@ void btrfs_sysfs_remove_one(struct btrfs_fs_info *fs_info) sysfs_remove_group(&fs_info->fs_devices->super_kobj, &btrfs_feature_attr_group); sysfs_remove_files(&fs_info->fs_devices->super_kobj, btrfs_attrs); btrfs_kobj_rm_device(fs_info->fs_devices, NULL); - btrfs_sysfs_remove_fsid(fs_info->fs_devices); } const char * const btrfs_feature_set_names[3] = { @@ -688,10 +687,6 @@ int btrfs_kobj_add_device(struct btrfs_fs_devices *fs_devices, int error = 0; struct btrfs_device *dev; - error = btrfs_sysfs_add_device(fs_devices); - if (error) - return error; - list_for_each_entry(dev, &fs_devices->devices, dev_list) { struct hd_struct *disk; struct kobject *disk_kobj; @@ -747,19 +742,13 @@ int btrfs_sysfs_add_one(struct btrfs_fs_info *fs_info) btrfs_set_fs_info_ptr(fs_info); - error = btrfs_sysfs_add_fsid(fs_devs, NULL); - if (error) - return error; - error = btrfs_kobj_add_device(fs_devs, NULL); - if (error) { - btrfs_sysfs_remove_fsid(fs_devs); + if (error) return error; - } error = sysfs_create_files(super_kobj, btrfs_attrs); if (error) { - btrfs_sysfs_remove_fsid(fs_devs); + btrfs_kobj_rm_device(fs_devs, NULL); return error; } -- 2.30.2