diff options
Diffstat (limited to 'include/uapi/linux/btrfs.h')
| -rw-r--r-- | include/uapi/linux/btrfs.h | 37 |
1 files changed, 30 insertions, 7 deletions
diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h index 7a8bc8b920f5..8134924cfc17 100644 --- a/include/uapi/linux/btrfs.h +++ b/include/uapi/linux/btrfs.h @@ -36,17 +36,24 @@ struct btrfs_ioctl_vol_args { #define BTRFS_DEVICE_PATH_NAME_MAX 1024 #define BTRFS_SUBVOL_NAME_MAX 4039 -#define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0) +/* + * Deprecated since 5.7: + * + * BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0) + */ + #define BTRFS_SUBVOL_RDONLY (1ULL << 1) #define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2) #define BTRFS_DEVICE_SPEC_BY_ID (1ULL << 3) +#define BTRFS_SUBVOL_SPEC_BY_ID (1ULL << 4) + #define BTRFS_VOL_ARG_V2_FLAGS_SUPPORTED \ - (BTRFS_SUBVOL_CREATE_ASYNC | \ - BTRFS_SUBVOL_RDONLY | \ + (BTRFS_SUBVOL_RDONLY | \ BTRFS_SUBVOL_QGROUP_INHERIT | \ - BTRFS_DEVICE_SPEC_BY_ID) + BTRFS_DEVICE_SPEC_BY_ID | \ + BTRFS_SUBVOL_SPEC_BY_ID) #define BTRFS_FSID_SIZE 16 #define BTRFS_UUID_SIZE 16 @@ -97,16 +104,29 @@ struct btrfs_ioctl_qgroup_limit_args { }; /* - * flags for subvolumes + * Arguments for specification of subvolumes or devices, supporting by-name or + * by-id and flags * - * Used by: - * struct btrfs_ioctl_vol_args_v2.flags + * The set of supported flags depends on the ioctl * * BTRFS_SUBVOL_RDONLY is also provided/consumed by the following ioctls: * - BTRFS_IOC_SUBVOL_GETFLAGS * - BTRFS_IOC_SUBVOL_SETFLAGS */ +/* Supported flags for BTRFS_IOC_RM_DEV_V2 */ +#define BTRFS_DEVICE_REMOVE_ARGS_MASK \ + (BTRFS_DEVICE_SPEC_BY_ID) + +/* Supported flags for BTRFS_IOC_SNAP_CREATE_V2 and BTRFS_IOC_SUBVOL_CREATE_V2 */ +#define BTRFS_SUBVOL_CREATE_ARGS_MASK \ + (BTRFS_SUBVOL_RDONLY | \ + BTRFS_SUBVOL_QGROUP_INHERIT) + +/* Supported flags for BTRFS_IOC_SNAP_DESTROY_V2 */ +#define BTRFS_SUBVOL_DELETE_ARGS_MASK \ + (BTRFS_SUBVOL_SPEC_BY_ID) + struct btrfs_ioctl_vol_args_v2 { __s64 fd; __u64 transid; @@ -121,6 +141,7 @@ struct btrfs_ioctl_vol_args_v2 { union { char name[BTRFS_SUBVOL_NAME_MAX + 1]; __u64 devid; + __u64 subvolid; }; }; @@ -949,5 +970,7 @@ enum btrfs_err_code { struct btrfs_ioctl_get_subvol_rootref_args) #define BTRFS_IOC_INO_LOOKUP_USER _IOWR(BTRFS_IOCTL_MAGIC, 62, \ struct btrfs_ioctl_ino_lookup_user_args) +#define BTRFS_IOC_SNAP_DESTROY_V2 _IOW(BTRFS_IOCTL_MAGIC, 63, \ + struct btrfs_ioctl_vol_args_v2) #endif /* _UAPI_LINUX_BTRFS_H */ |