diff options
Diffstat (limited to 'fs/btrfs/sysfs.c')
| -rw-r--r-- | fs/btrfs/sysfs.c | 35 |
1 files changed, 16 insertions, 19 deletions
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 43d45a0cfcda..84a992681801 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -35,12 +35,12 @@ * qgroup_attrs /sys/fs/btrfs/<uuid>/qgroups/<level>_<qgroupid> * space_info_attrs /sys/fs/btrfs/<uuid>/allocation/<bg-type> * raid_attrs /sys/fs/btrfs/<uuid>/allocation/<bg-type>/<bg-profile> + * discard_attrs /sys/fs/btrfs/<uuid>/discard * * When built with BTRFS_CONFIG_DEBUG: * * btrfs_debug_feature_attrs /sys/fs/btrfs/debug * btrfs_debug_mount_attrs /sys/fs/btrfs/<uuid>/debug - * discard_debug_attrs /sys/fs/btrfs/<uuid>/debug/discard */ struct btrfs_feature_attr { @@ -429,12 +429,10 @@ static const struct attribute_group btrfs_static_feature_attr_group = { .attrs = btrfs_supported_static_feature_attrs, }; -#ifdef CONFIG_BTRFS_DEBUG - /* * Discard statistics and tunables */ -#define discard_to_fs_info(_kobj) to_fs_info((_kobj)->parent->parent) +#define discard_to_fs_info(_kobj) to_fs_info(get_btrfs_kobj(_kobj)) static ssize_t btrfs_discardable_bytes_show(struct kobject *kobj, struct kobj_attribute *a, @@ -583,11 +581,11 @@ BTRFS_ATTR_RW(discard, max_discard_size, btrfs_discard_max_discard_size_show, btrfs_discard_max_discard_size_store); /* - * Per-filesystem debugging of discard (when mounted with discard=async). + * Per-filesystem stats for discard (when mounted with discard=async). * - * Path: /sys/fs/btrfs/<uuid>/debug/discard/ + * Path: /sys/fs/btrfs/<uuid>/discard/ */ -static const struct attribute *discard_debug_attrs[] = { +static const struct attribute *discard_attrs[] = { BTRFS_ATTR_PTR(discard, discardable_bytes), BTRFS_ATTR_PTR(discard, discardable_extents), BTRFS_ATTR_PTR(discard, discard_bitmap_bytes), @@ -599,6 +597,8 @@ static const struct attribute *discard_debug_attrs[] = { NULL, }; +#ifdef CONFIG_BTRFS_DEBUG + /* * Per-filesystem runtime debugging exported via sysfs. * @@ -1408,13 +1408,12 @@ void btrfs_sysfs_remove_mounted(struct btrfs_fs_info *fs_info) kobject_del(fs_info->space_info_kobj); kobject_put(fs_info->space_info_kobj); } -#ifdef CONFIG_BTRFS_DEBUG - if (fs_info->discard_debug_kobj) { - sysfs_remove_files(fs_info->discard_debug_kobj, - discard_debug_attrs); - kobject_del(fs_info->discard_debug_kobj); - kobject_put(fs_info->discard_debug_kobj); + if (fs_info->discard_kobj) { + sysfs_remove_files(fs_info->discard_kobj, discard_attrs); + kobject_del(fs_info->discard_kobj); + kobject_put(fs_info->discard_kobj); } +#ifdef CONFIG_BTRFS_DEBUG if (fs_info->debug_kobj) { sysfs_remove_files(fs_info->debug_kobj, btrfs_debug_mount_attrs); kobject_del(fs_info->debug_kobj); @@ -1982,20 +1981,18 @@ int btrfs_sysfs_add_mounted(struct btrfs_fs_info *fs_info) error = sysfs_create_files(fs_info->debug_kobj, btrfs_debug_mount_attrs); if (error) goto failure; +#endif /* Discard directory */ - fs_info->discard_debug_kobj = kobject_create_and_add("discard", - fs_info->debug_kobj); - if (!fs_info->discard_debug_kobj) { + fs_info->discard_kobj = kobject_create_and_add("discard", fsid_kobj); + if (!fs_info->discard_kobj) { error = -ENOMEM; goto failure; } - error = sysfs_create_files(fs_info->discard_debug_kobj, - discard_debug_attrs); + error = sysfs_create_files(fs_info->discard_kobj, discard_attrs); if (error) goto failure; -#endif error = addrm_unknown_feature_attrs(fs_info, true); if (error) |