X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=ioctl.h;h=620dd3d2a2b03ff0a13923edf38892c1f0b5dea5;hb=dad817d3bad44619c355d11e39512b413da6939c;hp=a1af0351e524049cfdd2e223a158f4e01955e2bd;hpb=ddd8003d9474381e84b3adc0444358d67b35be06;p=platform%2Fupstream%2Fbtrfs-progs.git diff --git a/ioctl.h b/ioctl.h index a1af035..620dd3d 100644 --- a/ioctl.h +++ b/ioctl.h @@ -19,12 +19,15 @@ #ifndef __BTRFS_IOCTL_H__ #define __BTRFS_IOCTL_H__ +#ifdef __cplusplus +extern "C" { +#endif + #include #include -#include -#ifdef __cplusplus -extern "C" { +#ifndef __user +#define __user #endif #define BTRFS_IOCTL_MAGIC 0x94 @@ -42,6 +45,14 @@ struct btrfs_ioctl_vol_args { #define 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_VOL_ARG_V2_FLAGS_SUPPORTED \ + (BTRFS_SUBVOL_CREATE_ASYNC | \ + BTRFS_SUBVOL_RDONLY | \ + BTRFS_SUBVOL_QGROUP_INHERIT | \ + BTRFS_DEVICE_SPEC_BY_ID) + #define BTRFS_FSID_SIZE 16 #define BTRFS_UUID_SIZE 16 @@ -77,11 +88,14 @@ struct btrfs_ioctl_vol_args_v2 { union { struct { __u64 size; - struct btrfs_qgroup_inherit *qgroup_inherit; + struct btrfs_qgroup_inherit __user *qgroup_inherit; }; __u64 unused[4]; }; - char name[BTRFS_SUBVOL_NAME_MAX + 1]; + union { + char name[BTRFS_SUBVOL_NAME_MAX + 1]; + __u64 devid; + }; }; /* @@ -95,7 +109,7 @@ struct btrfs_scrub_progress { __u64 tree_bytes_scrubbed; /* # of tree bytes scrubbed */ __u64 read_errors; /* # of read errors encountered (EIO) */ __u64 csum_errors; /* # of failed csum checks */ - __u64 verify_errors; /* # of occurences, where the metadata + __u64 verify_errors; /* # of occurrences, where the metadata * of a tree block did not match the * expected values, like generation or * logical */ @@ -115,7 +129,7 @@ struct btrfs_scrub_progress { __u64 last_physical; /* last physical address scrubbed. In * case a scrub was aborted, this can * be used to restart the scrub */ - __u64 unverified_errors; /* # of occurences where a read for a + __u64 unverified_errors; /* # of occurrences where a read for a * full (64k) bio failed, but the re- * check succeeded for each 4k piece. * Intermittent error. */ @@ -189,7 +203,17 @@ struct btrfs_ioctl_fs_info_args { __u64 max_id; /* out */ __u64 num_devices; /* out */ __u8 fsid[BTRFS_FSID_SIZE]; /* out */ - __u64 reserved[124]; /* pad to 1k */ + __u32 nodesize; /* out */ + __u32 sectorsize; /* out */ + __u32 clone_alignment; /* out */ + __u32 reserved32; + __u64 reserved[122]; /* pad to 1k */ +}; + +struct btrfs_ioctl_feature_flags { + __u64 compat_flags; + __u64 compat_ro_flags; + __u64 incompat_flags; }; /* balance control ioctl modes */ @@ -203,7 +227,20 @@ struct btrfs_ioctl_fs_info_args { */ struct btrfs_balance_args { __u64 profiles; - __u64 usage; + + /* + * usage filter + * BTRFS_BALANCE_ARGS_USAGE with a single value means '0..N' + * BTRFS_BALANCE_ARGS_USAGE_RANGE - range syntax, min..max + */ + union { + __u64 usage; + struct { + __u32 usage_min; + __u32 usage_max; + }; + }; + __u64 devid; __u64 pstart; __u64 pend; @@ -214,15 +251,29 @@ struct btrfs_balance_args { __u64 flags; - __u64 limit; - - __u64 unused[7]; + /* + * BTRFS_BALANCE_ARGS_LIMIT with value 'limit' + * BTRFS_BALANCE_ARGS_LIMIT_RANGE - the extend version can use minimum + * and maximum + */ + union { + __u64 limit; /* limit number of processed chunks */ + struct { + __u32 limit_min; + __u32 limit_max; + }; + }; + __u32 stripes_min; + __u32 stripes_max; + __u64 unused[6]; } __attribute__ ((__packed__)); +/* report balance progress to userspace */ struct btrfs_balance_progress { - __u64 expected; - __u64 considered; - __u64 completed; + __u64 expected; /* estimated # of chunks that will be + * relocated to fulfil the request */ + __u64 considered; /* # of chunks we have considered so far */ + __u64 completed; /* # of chunks relocated so far */ }; #define BTRFS_BALANCE_STATE_RUNNING (1ULL << 0) @@ -327,6 +378,31 @@ struct btrfs_ioctl_clone_range_args { #define BTRFS_DEFRAG_RANGE_COMPRESS 1 #define BTRFS_DEFRAG_RANGE_START_IO 2 +#define BTRFS_SAME_DATA_DIFFERS 1 +/* For extent-same ioctl */ +struct btrfs_ioctl_same_extent_info { + __s64 fd; /* in - destination file */ + __u64 logical_offset; /* in - start of extent in destination */ + __u64 bytes_deduped; /* out - total # of bytes we were able + * to dedupe from this file */ + /* status of this dedupe operation: + * 0 if dedup succeeds + * < 0 for error + * == BTRFS_SAME_DATA_DIFFERS if data differs + */ + __s32 status; /* out - see above description */ + __u32 reserved; +}; + +struct btrfs_ioctl_same_args { + __u64 logical_offset; /* in - start of extent in source */ + __u64 length; /* in - length of extent */ + __u16 dest_count; /* in - total elements in info array */ + __u16 reserved1; + __u32 reserved2; + struct btrfs_ioctl_same_extent_info info[0]; +}; + struct btrfs_ioctl_defrag_range_args { /* start of the defrag operation */ __u64 start; @@ -487,16 +563,20 @@ struct btrfs_ioctl_received_subvol_args { */ #define BTRFS_SEND_FLAG_OMIT_END_CMD 0x4 +#define BTRFS_SEND_FLAG_MASK \ + (BTRFS_SEND_FLAG_NO_FILE_DATA | \ + BTRFS_SEND_FLAG_OMIT_STREAM_HEADER | \ + BTRFS_SEND_FLAG_OMIT_END_CMD) + struct btrfs_ioctl_send_args { __s64 send_fd; /* in */ __u64 clone_sources_count; /* in */ - __u64 *clone_sources; /* in */ + __u64 __user *clone_sources; /* in */ __u64 parent_root; /* in */ __u64 flags; /* in */ __u64 reserved[4]; /* in */ }; - /* Error codes as returned by the kernel */ enum btrfs_err_code { notused, @@ -605,7 +685,7 @@ static inline char *btrfs_err_str(enum btrfs_err_code err_code) #define BTRFS_IOC_INO_PATHS _IOWR(BTRFS_IOCTL_MAGIC, 35, \ struct btrfs_ioctl_ino_path_args) #define BTRFS_IOC_LOGICAL_INO _IOWR(BTRFS_IOCTL_MAGIC, 36, \ - struct btrfs_ioctl_ino_path_args) + struct btrfs_ioctl_logical_ino_args) #define BTRFS_IOC_SET_RECEIVED_SUBVOL _IOWR(BTRFS_IOCTL_MAGIC, 37, \ struct btrfs_ioctl_received_subvol_args) #define BTRFS_IOC_SEND _IOW(BTRFS_IOCTL_MAGIC, 38, struct btrfs_ioctl_send_args) @@ -632,12 +712,16 @@ static inline char *btrfs_err_str(enum btrfs_err_code err_code) struct btrfs_ioctl_get_dev_stats) #define BTRFS_IOC_DEV_REPLACE _IOWR(BTRFS_IOCTL_MAGIC, 53, \ struct btrfs_ioctl_dev_replace_args) +#define BTRFS_IOC_FILE_EXTENT_SAME _IOWR(BTRFS_IOCTL_MAGIC, 54, \ + struct btrfs_ioctl_same_args) #define BTRFS_IOC_GET_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \ struct btrfs_ioctl_feature_flags) #define BTRFS_IOC_SET_FEATURES _IOW(BTRFS_IOCTL_MAGIC, 57, \ struct btrfs_ioctl_feature_flags[2]) #define BTRFS_IOC_GET_SUPPORTED_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \ struct btrfs_ioctl_feature_flags[3]) +#define BTRFS_IOC_RM_DEV_V2 _IOW(BTRFS_IOCTL_MAGIC, 58, \ + struct btrfs_ioctl_vol_args_v2) #ifdef __cplusplus } #endif