diff options
Diffstat (limited to 'include/uapi/linux/btrfs.h')
| -rw-r--r-- | include/uapi/linux/btrfs.h | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h index cdf6ad872149..dd02160015b2 100644 --- a/include/uapi/linux/btrfs.h +++ b/include/uapi/linux/btrfs.h @@ -615,7 +615,9 @@ struct btrfs_ioctl_clone_range_args { */ #define BTRFS_DEFRAG_RANGE_COMPRESS 1 #define BTRFS_DEFRAG_RANGE_START_IO 2 +#define BTRFS_DEFRAG_RANGE_COMPRESS_LEVEL 4 #define BTRFS_DEFRAG_RANGE_FLAGS_SUPP (BTRFS_DEFRAG_RANGE_COMPRESS | \ + BTRFS_DEFRAG_RANGE_COMPRESS_LEVEL | \ BTRFS_DEFRAG_RANGE_START_IO) struct btrfs_ioctl_defrag_range_args { @@ -640,10 +642,18 @@ struct btrfs_ioctl_defrag_range_args { /* * which compression method to use if turning on compression - * for this defrag operation. If unspecified, zlib will - * be used + * for this defrag operation. If unspecified, zlib will be + * used. If compression level is also being specified, set the + * BTRFS_DEFRAG_RANGE_COMPRESS_LEVEL flag and fill the compress + * member structure instead of the compress_type field. */ - __u32 compress_type; + union { + __u32 compress_type; + struct { + __u8 type; + __s8 level; + } compress; + }; /* spare for later */ __u32 unused[4]; @@ -1049,6 +1059,29 @@ struct btrfs_ioctl_encoded_io_args { #define BTRFS_ENCODED_IO_ENCRYPTION_NONE 0 #define BTRFS_ENCODED_IO_ENCRYPTION_TYPES 1 +/* + * Wait for subvolume cleaning process. This queries the kernel queue and it + * can change between the calls. + * + * - FOR_ONE - specify the subvolid + * - FOR_QUEUED - wait for all currently queued + * - COUNT - count number of queued + * - PEEK_FIRST - read which is the first in the queue (to be cleaned or being + * cleaned already), or 0 if the queue is empty + * - PEEK_LAST - read the last subvolid in the queue, or 0 if the queue is empty + */ +struct btrfs_ioctl_subvol_wait { + __u64 subvolid; + __u32 mode; + __u32 count; +}; + +#define BTRFS_SUBVOL_SYNC_WAIT_FOR_ONE (0) +#define BTRFS_SUBVOL_SYNC_WAIT_FOR_QUEUED (1) +#define BTRFS_SUBVOL_SYNC_COUNT (2) +#define BTRFS_SUBVOL_SYNC_PEEK_FIRST (3) +#define BTRFS_SUBVOL_SYNC_PEEK_LAST (4) + /* Error codes as returned by the kernel */ enum btrfs_err_code { BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET = 1, @@ -1181,6 +1214,8 @@ enum btrfs_err_code { struct btrfs_ioctl_encoded_io_args) #define BTRFS_IOC_ENCODED_WRITE _IOW(BTRFS_IOCTL_MAGIC, 64, \ struct btrfs_ioctl_encoded_io_args) +#define BTRFS_IOC_SUBVOL_SYNC_WAIT _IOW(BTRFS_IOCTL_MAGIC, 65, \ + struct btrfs_ioctl_subvol_wait) #ifdef __cplusplus } |