diff options
author | Jeff Liu <jeff.liu@oracle.com> | 2012-12-17 11:35:23 +0000 |
---|---|---|
committer | David Sterba <dsterba@suse.cz> | 2013-02-26 19:23:32 +0100 |
commit | 619dc61cae1420da2dec48f689d49b9b346abc15 (patch) | |
tree | e75c146cac0af971fd099c3cce01b09145c9fdf6 /ioctl.h | |
parent | 704a08cb8ae8735f8538e637a1be822e76e69d3c (diff) |
Btrfs-progs: Change the label of a mounted file system
With this new ioctl(2), we can set/change the label for a mounted file system.
It still does normal process for an umounted file system.
Signed-off-by: Jie Liu <jeff.liu@oracle.com>
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Diffstat (limited to 'ioctl.h')
-rw-r--r-- | ioctl.h | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -520,6 +520,10 @@ struct btrfs_ioctl_clone_range_args { struct btrfs_ioctl_qgroup_create_args) #define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, \ struct btrfs_ioctl_qgroup_limit_args) +#define BTRFS_IOC_GET_FSLABEL _IOR(BTRFS_IOCTL_MAGIC, 49, \ + char[BTRFS_LABEL_SIZE]) +#define BTRFS_IOC_SET_FSLABEL _IOW(BTRFS_IOCTL_MAGIC, 50, \ + char[BTRFS_LABEL_SIZE]) #define BTRFS_IOC_GET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 52, \ struct btrfs_ioctl_get_dev_stats) #define BTRFS_IOC_DEV_REPLACE _IOWR(BTRFS_IOCTL_MAGIC, 53, \ |