diff options
Diffstat (limited to 'include/uapi/linux/btrfs.h')
| -rw-r--r-- | include/uapi/linux/btrfs.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h index c195896d478f..3ee0678c0a83 100644 --- a/include/uapi/linux/btrfs.h +++ b/include/uapi/linux/btrfs.h @@ -665,7 +665,12 @@ struct btrfs_ioctl_get_dev_stats { /* out values: */ __u64 values[BTRFS_DEV_STAT_VALUES_MAX]; - __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k */ + /* + * This pads the struct to 1032 bytes. It was originally meant to pad to + * 1024 bytes, but when adding the flags field, the padding calculation + * was not adjusted. + */ + __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; }; #define BTRFS_QUOTA_CTL_ENABLE 1 @@ -917,10 +922,8 @@ enum btrfs_err_code { #define BTRFS_IOC_QUOTA_RESCAN_STATUS _IOR(BTRFS_IOCTL_MAGIC, 45, \ struct btrfs_ioctl_quota_rescan_args) #define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46) -#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_FSLABEL FS_IOC_GETFSLABEL +#define BTRFS_IOC_SET_FSLABEL FS_IOC_SETFSLABEL #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, \ |