adds fs_info pointer with struct btrfs_fs_devices.
Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>
---
fs/btrfs/sysfs.c | 4 ++++
fs/btrfs/volumes.h | 1 +
2 files changed, 5 insertions(+)
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index ac15fbb..4b5bac6 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -530,6 +530,8 @@ static void btrfs_sysfs_remove_fsid(struct btrfs_fs_devices *fs_devs)
void btrfs_sysfs_remove_one(struct btrfs_fs_info *fs_info)
{
+ fs_info->fs_devices->fs_info = NULL;
+
if (fs_info->space_info_kobj) {
sysfs_remove_files(fs_info->space_info_kobj, allocation_attrs);
kobject_del(fs_info->space_info_kobj);
@@ -729,6 +731,8 @@ int btrfs_sysfs_add_one(struct btrfs_fs_info *fs_info)
struct btrfs_fs_devices *fs_devs = fs_info->fs_devices;
struct kobject *super_kobj = &fs_devs->super_kobj;
+ fs_devs->fs_info = fs_info;
+
error = btrfs_sysfs_add_fsid(fs_devs, NULL);
if (error)
return error;
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index a1df344..40c38ab 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -254,6 +254,7 @@ struct btrfs_fs_devices {
*/
int rotating;
+ struct btrfs_fs_info *fs_info;
/* sysfs kobjects */
struct kobject super_kobj;
struct kobject *device_dir_kobj;
--
1.9.1
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