* Boston, MA 021110-1307, USA.
*/
-#ifndef __IOCTL_
-#define __IOCTL_
+#ifndef __BTRFS_IOCTL_H__
+#define __BTRFS_IOCTL_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
#include <asm/types.h>
#include <linux/ioctl.h>
-#include <time.h>
+#include <stddef.h>
+
+#ifndef __user
+#define __user
+#endif
+
+/* We don't want to include entire kerncompat.h */
+#ifndef BUILD_ASSERT
+#define BUILD_ASSERT(x)
+#endif
#define BTRFS_IOCTL_MAGIC 0x94
#define BTRFS_VOL_NAME_MAX 255
__s64 fd;
char name[BTRFS_PATH_NAME_MAX + 1];
};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_vol_args) == 4096);
+
+#define BTRFS_DEVICE_PATH_NAME_MAX 1024
#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
#define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0)
__u64 rsv_referenced;
__u64 rsv_exclusive;
};
+BUILD_ASSERT(sizeof(struct btrfs_qgroup_limit) == 40);
struct btrfs_qgroup_inherit {
__u64 flags;
struct btrfs_qgroup_limit lim;
__u64 qgroups[0];
};
+BUILD_ASSERT(sizeof(struct btrfs_qgroup_inherit) == 72);
struct btrfs_ioctl_qgroup_limit_args {
__u64 qgroupid;
struct btrfs_qgroup_limit lim;
};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_qgroup_limit_args) == 48);
#define BTRFS_SUBVOL_NAME_MAX 4039
-
struct btrfs_ioctl_vol_args_v2 {
__s64 fd;
__u64 transid;
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;
+ };
};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_vol_args_v2) == 4096);
-#define BTRFS_FSID_SIZE 16
-#define BTRFS_UUID_SIZE 16
-
+/*
+ * structure to report errors and progress to userspace, either as a
+ * result of a finished scrub, a canceled scrub or a progress inquiry
+ */
struct btrfs_scrub_progress {
- __u64 data_extents_scrubbed;
- __u64 tree_extents_scrubbed;
- __u64 data_bytes_scrubbed;
- __u64 tree_bytes_scrubbed;
- __u64 read_errors;
- __u64 csum_errors;
- __u64 verify_errors;
- __u64 no_csum;
- __u64 csum_discards;
- __u64 super_errors;
- __u64 malloc_errors;
- __u64 uncorrectable_errors;
- __u64 corrected_errors;
- __u64 last_physical;
- __u64 unverified_errors;
+ __u64 data_extents_scrubbed; /* # of data extents scrubbed */
+ __u64 tree_extents_scrubbed; /* # of tree extents scrubbed */
+ __u64 data_bytes_scrubbed; /* # of data bytes scrubbed */
+ __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 occurrences, where the metadata
+ * of a tree block did not match the
+ * expected values, like generation or
+ * logical */
+ __u64 no_csum; /* # of 4k data block for which no csum
+ * is present, probably the result of
+ * data written with nodatasum */
+ __u64 csum_discards; /* # of csum for which no data was found
+ * in the extent tree. */
+ __u64 super_errors; /* # of bad super blocks encountered */
+ __u64 malloc_errors; /* # of internal kmalloc errors. These
+ * will likely cause an incomplete
+ * scrub */
+ __u64 uncorrectable_errors; /* # of errors where either no intact
+ * copy was found or the writeback
+ * failed */
+ __u64 corrected_errors; /* # of errors corrected */
+ __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 occurrences where a read for a
+ * full (64k) bio failed, but the re-
+ * check succeeded for each 4k piece.
+ * Intermittent error. */
};
#define BTRFS_SCRUB_READONLY 1
/* pad to 1k */
__u64 unused[(1024-32-sizeof(struct btrfs_scrub_progress))/8];
};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_scrub_args) == 1024);
+
+#define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_ALWAYS 0
+#define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_AVOID 1
+struct btrfs_ioctl_dev_replace_start_params {
+ __u64 srcdevid; /* in, if 0, use srcdev_name instead */
+ __u64 cont_reading_from_srcdev_mode; /* in, see #define
+ * above */
+ __u8 srcdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; /* in */
+ __u8 tgtdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; /* in */
+};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_dev_replace_start_params) == 2072);
+
+#define BTRFS_IOCTL_DEV_REPLACE_STATE_NEVER_STARTED 0
+#define BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED 1
+#define BTRFS_IOCTL_DEV_REPLACE_STATE_FINISHED 2
+#define BTRFS_IOCTL_DEV_REPLACE_STATE_CANCELED 3
+#define BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED 4
+struct btrfs_ioctl_dev_replace_status_params {
+ __u64 replace_state; /* out, see #define above */
+ __u64 progress_1000; /* out, 0 <= x <= 1000 */
+ __u64 time_started; /* out, seconds since 1-Jan-1970 */
+ __u64 time_stopped; /* out, seconds since 1-Jan-1970 */
+ __u64 num_write_errors; /* out */
+ __u64 num_uncorrectable_read_errors; /* out */
+};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_dev_replace_status_params) == 48);
+
+#define BTRFS_IOCTL_DEV_REPLACE_CMD_START 0
+#define BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS 1
+#define BTRFS_IOCTL_DEV_REPLACE_CMD_CANCEL 2
+#define BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_RESULT -1
+#define BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR 0
+#define BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED 1
+#define BTRFS_IOCTL_DEV_REPLACE_RESULT_ALREADY_STARTED 2
+#define BTRFS_IOCTL_DEV_REPLACE_RESULT_SCRUB_INPROGRESS 3
+struct btrfs_ioctl_dev_replace_args {
+ __u64 cmd; /* in */
+ __u64 result; /* out */
+
+ union {
+ struct btrfs_ioctl_dev_replace_start_params start;
+ struct btrfs_ioctl_dev_replace_status_params status;
+ }; /* in/out */
+
+ __u64 spare[64];
+};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_dev_replace_args) == 2600);
-#define BTRFS_DEVICE_PATH_NAME_MAX 1024
struct btrfs_ioctl_dev_info_args {
__u64 devid; /* in/out */
__u8 uuid[BTRFS_UUID_SIZE]; /* in/out */
__u64 unused[379]; /* pad to 4k */
__u8 path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */
};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_dev_info_args) == 4096);
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 */
};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_fs_info_args) == 1024);
+
+struct btrfs_ioctl_feature_flags {
+ __u64 compat_flags;
+ __u64 compat_ro_flags;
+ __u64 incompat_flags;
+};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_feature_flags) == 24);
/* balance control ioctl modes */
#define BTRFS_BALANCE_CTL_PAUSE 1
*/
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;
__u64 flags;
- __u64 unused[8];
+ /*
+ * 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)
__u64 unused[72]; /* pad to 1k */
};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_balance_args) == 1024);
+
+#define BTRFS_INO_LOOKUP_PATH_MAX 4080
+struct btrfs_ioctl_ino_lookup_args {
+ __u64 treeid;
+ __u64 objectid;
+ char name[BTRFS_INO_LOOKUP_PATH_MAX];
+};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_ino_lookup_args) == 4096);
struct btrfs_ioctl_search_key {
/* which root are we searching. 0 is the tree of tree roots */
char buf[BTRFS_SEARCH_ARGS_BUFSIZE];
};
-#define BTRFS_INO_LOOKUP_PATH_MAX 4080
-struct btrfs_ioctl_ino_lookup_args {
- __u64 treeid;
- __u64 objectid;
- char name[BTRFS_INO_LOOKUP_PATH_MAX];
+/*
+ * Extended version of TREE_SEARCH ioctl that can return more than 4k of bytes.
+ * The allocated size of the buffer is set in buf_size.
+ */
+struct btrfs_ioctl_search_args_v2 {
+ struct btrfs_ioctl_search_key key; /* in/out - search parameters */
+ __u64 buf_size; /* in - size of buffer
+ * out - on EOVERFLOW: needed size
+ * to store item */
+ __u64 buf[0]; /* out - found items */
};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_search_args_v2) == 112);
+
+/* With a @src_length of zero, the range from @src_offset->EOF is cloned! */
+struct btrfs_ioctl_clone_range_args {
+ __s64 src_fd;
+ __u64 src_offset, src_length;
+ __u64 dest_offset;
+};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_clone_range_args) == 32);
/* flags for the defrag range ioctl */
#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];
+};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_same_args) == 24);
+
struct btrfs_ioctl_defrag_range_args {
/* start of the defrag operation */
__u64 start;
/* spare for later */
__u32 unused[4];
};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_defrag_range_args) == 48);
struct btrfs_ioctl_space_info {
__u64 flags;
__u64 total_spaces;
struct btrfs_ioctl_space_info spaces[0];
};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_space_args) == 16);
struct btrfs_data_container {
__u32 bytes_left; /* out -- bytes not needed to deliver output */
/* struct btrfs_data_container *fspath; out */
__u64 fspath; /* out */
};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_ino_path_args) == 56);
struct btrfs_ioctl_logical_ino_args {
__u64 logical; /* in */
__u64 inodes;
};
+enum btrfs_dev_stat_values {
+ /* disk I/O failure stats */
+ BTRFS_DEV_STAT_WRITE_ERRS, /* EIO or EREMOTEIO from lower layers */
+ BTRFS_DEV_STAT_READ_ERRS, /* EIO or EREMOTEIO from lower layers */
+ BTRFS_DEV_STAT_FLUSH_ERRS, /* EIO or EREMOTEIO from lower layers */
+
+ /* stats for indirect indications for I/O failures */
+ BTRFS_DEV_STAT_CORRUPTION_ERRS, /* checksum error, bytenr error or
+ * contents is illegal: this is an
+ * indication that the block was damaged
+ * during read or write, or written to
+ * wrong location or read from wrong
+ * location */
+ BTRFS_DEV_STAT_GENERATION_ERRS, /* an indication that blocks have not
+ * been written */
+
+ BTRFS_DEV_STAT_VALUES_MAX
+};
+
+/* Reset statistics after reading; needs SYS_ADMIN capability */
+#define BTRFS_DEV_STATS_RESET (1ULL << 0)
+
+struct btrfs_ioctl_get_dev_stats {
+ __u64 devid; /* in */
+ __u64 nr_items; /* in/out */
+ __u64 flags; /* in/out */
+
+ /* out values: */
+ __u64 values[BTRFS_DEV_STAT_VALUES_MAX];
+
+ __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k + 8B */
+};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_get_dev_stats) == 1032);
+
+/* BTRFS_IOC_SNAP_CREATE is no longer used by the btrfs command */
+#define BTRFS_QUOTA_CTL_ENABLE 1
+#define BTRFS_QUOTA_CTL_DISABLE 2
+/* 3 has formerly been reserved for BTRFS_QUOTA_CTL_RESCAN */
+struct btrfs_ioctl_quota_ctl_args {
+ __u64 cmd;
+ __u64 status;
+};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_quota_ctl_args) == 16);
+
+struct btrfs_ioctl_quota_rescan_args {
+ __u64 flags;
+ __u64 progress;
+ __u64 reserved[6];
+};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_quota_rescan_args) == 64);
+
+struct btrfs_ioctl_qgroup_assign_args {
+ __u64 assign;
+ __u64 src;
+ __u64 dst;
+};
+
+struct btrfs_ioctl_qgroup_create_args {
+ __u64 create;
+ __u64 qgroupid;
+};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_qgroup_create_args) == 16);
+
struct btrfs_ioctl_timespec {
__u64 sec;
__u32 nsec;
__u64 flags; /* in */
__u64 reserved[16]; /* in */
};
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_received_subvol_args) == 200);
+
+/*
+ * If we have a 32-bit userspace and 64-bit kernel, then the UAPI
+ * structures are incorrect, as the timespec structure from userspace
+ * is 4 bytes too small. We define these alternatives here for backward
+ * compatibility, the kernel understands both values.
+ */
+
+/*
+ * Structure size is different on 32bit and 64bit, has some padding if the
+ * structure is embedded. Packing makes sure the size is same on both, but will
+ * be misaligned on 64bit.
+ *
+ * NOTE: do not use in your code, this is for testing only
+ */
+struct btrfs_ioctl_timespec_32 {
+ __u64 sec;
+ __u32 nsec;
+} __attribute__ ((__packed__));
+
+struct btrfs_ioctl_received_subvol_args_32 {
+ char uuid[BTRFS_UUID_SIZE]; /* in */
+ __u64 stransid; /* in */
+ __u64 rtransid; /* out */
+ struct btrfs_ioctl_timespec_32 stime; /* in */
+ struct btrfs_ioctl_timespec_32 rtime; /* out */
+ __u64 flags; /* in */
+ __u64 reserved[16]; /* in */
+} __attribute__ ((__packed__));
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_received_subvol_args_32) == 192);
+
+#define BTRFS_IOC_SET_RECEIVED_SUBVOL_32_COMPAT_DEFINED 1
+
+/*
+ * Caller doesn't want file data in the send stream, even if the
+ * search of clone sources doesn't find an extent. UPDATE_EXTENT
+ * commands will be sent instead of WRITE commands.
+ */
+#define BTRFS_SEND_FLAG_NO_FILE_DATA 0x1
+
+/*
+ * Do not add the leading stream header. Used when multiple snapshots
+ * are sent back to back.
+ */
+#define BTRFS_SEND_FLAG_OMIT_STREAM_HEADER 0x2
+
+/*
+ * Omit the command at the end of the stream that indicated the end
+ * of the stream. This option is used when multiple snapshots are
+ * sent back to back.
+ */
+#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 */
};
+/*
+ * Size of structure depends on pointer width, was not caught in the early
+ * days. Kernel handles pointer width differences transparently.
+ */
+BUILD_ASSERT(sizeof(__u64 *) == 8
+ ? sizeof(struct btrfs_ioctl_send_args) == 72
+ : (sizeof(void *) == 4
+ ? sizeof(struct btrfs_ioctl_send_args) == 68
+ : 0));
-#define BTRFS_QUOTA_CTL_ENABLE 1
-#define BTRFS_QUOTA_CTL_DISABLE 2
-#define BTRFS_QUOTA_CTL_RESCAN 3
-struct btrfs_ioctl_quota_ctl_args {
- __u64 cmd;
- __u64 status;
-};
-
-struct btrfs_ioctl_qgroup_assign_args {
- __u64 assign;
- __u64 src;
- __u64 dst;
+/*
+ * Different pointer width leads to structure size change. Kernel should accept
+ * both ioctl values (derived from the structures) for backward compatibility.
+ * Size of this structure is same on 32bit and 64bit though.
+ *
+ * NOTE: do not use in your code, this is for testing only
+ */
+struct btrfs_ioctl_send_args_64 {
+ __s64 send_fd; /* in */
+ __u64 clone_sources_count; /* in */
+ union {
+ __u64 __user *clone_sources; /* in */
+ __u64 __clone_sources_alignment;
+ };
+ __u64 parent_root; /* in */
+ __u64 flags; /* in */
+ __u64 reserved[4]; /* in */
+} __attribute__((packed));
+BUILD_ASSERT(sizeof(struct btrfs_ioctl_send_args_64) == 72);
+
+#define BTRFS_IOC_SEND_64_COMPAT_DEFINED 1
+
+/* Error codes as returned by the kernel */
+enum btrfs_err_code {
+ notused,
+ BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET,
+ BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET,
+ BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET,
+ BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET,
+ BTRFS_ERROR_DEV_TGT_REPLACE,
+ BTRFS_ERROR_DEV_MISSING_NOT_FOUND,
+ BTRFS_ERROR_DEV_ONLY_WRITABLE,
+ BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS
};
-struct btrfs_ioctl_qgroup_create_args {
- __u64 create;
- __u64 qgroupid;
-};
+/* An error code to error string mapping for the kernel
+* error codes
+*/
+static inline char *btrfs_err_str(enum btrfs_err_code err_code)
+{
+ switch (err_code) {
+ case BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET:
+ return "unable to go below two devices on raid1";
+ case BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET:
+ return "unable to go below four devices on raid10";
+ case BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET:
+ return "unable to go below two devices on raid5";
+ case BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET:
+ return "unable to go below three devices on raid6";
+ case BTRFS_ERROR_DEV_TGT_REPLACE:
+ return "unable to remove the dev_replace target dev";
+ case BTRFS_ERROR_DEV_MISSING_NOT_FOUND:
+ return "no missing devices found to remove";
+ case BTRFS_ERROR_DEV_ONLY_WRITABLE:
+ return "unable to remove the only writeable device";
+ case BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS:
+ return "add/delete/balance/replace/resize operation "
+ "in progress";
+ default:
+ return NULL;
+ }
+}
-/* BTRFS_IOC_SNAP_CREATE is no longer used by the btrfs command */
#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
struct btrfs_ioctl_vol_args)
#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
struct btrfs_ioctl_vol_args)
#define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
struct btrfs_ioctl_vol_args)
-
-struct btrfs_ioctl_clone_range_args {
- __s64 src_fd;
- __u64 src_offset, src_length;
- __u64 dest_offset;
-};
-
/* trans start and trans end are dangerous, and only for
* use by applications that know how to avoid the
* resulting deadlocks
struct btrfs_ioctl_vol_args)
#define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \
struct btrfs_ioctl_vol_args)
+
#define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
struct btrfs_ioctl_clone_range_args)
+
#define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \
struct btrfs_ioctl_vol_args)
#define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \
struct btrfs_ioctl_defrag_range_args)
#define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \
struct btrfs_ioctl_search_args)
+#define BTRFS_IOC_TREE_SEARCH_V2 _IOWR(BTRFS_IOCTL_MAGIC, 17, \
+ struct btrfs_ioctl_search_args_v2)
#define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \
struct btrfs_ioctl_ino_lookup_args)
-#define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, u64)
+#define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, __u64)
#define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \
struct btrfs_ioctl_space_args)
+#define BTRFS_IOC_START_SYNC _IOR(BTRFS_IOCTL_MAGIC, 24, __u64)
+#define BTRFS_IOC_WAIT_SYNC _IOW(BTRFS_IOCTL_MAGIC, 22, __u64)
#define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \
struct btrfs_ioctl_vol_args_v2)
#define BTRFS_IOC_SUBVOL_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 24, \
#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)
-#define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \
- struct btrfs_ioctl_vol_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)
+#ifdef BTRFS_IOC_SET_RECEIVED_SUBVOL_32_COMPAT_DEFINED
+#define BTRFS_IOC_SET_RECEIVED_SUBVOL_32 _IOWR(BTRFS_IOCTL_MAGIC, 37, \
+ struct btrfs_ioctl_received_subvol_args_32)
+#endif
+
+#ifdef BTRFS_IOC_SEND_64_COMPAT_DEFINED
+#define BTRFS_IOC_SEND_64 _IOW(BTRFS_IOCTL_MAGIC, 38, \
+ struct btrfs_ioctl_send_args_64)
+#endif
+
+#define BTRFS_IOC_SEND _IOW(BTRFS_IOCTL_MAGIC, 38, struct btrfs_ioctl_send_args)
+#define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \
+ struct btrfs_ioctl_vol_args)
#define BTRFS_IOC_QUOTA_CTL _IOWR(BTRFS_IOCTL_MAGIC, 40, \
struct btrfs_ioctl_quota_ctl_args)
#define BTRFS_IOC_QGROUP_ASSIGN _IOW(BTRFS_IOCTL_MAGIC, 41, \
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_QUOTA_RESCAN _IOW(BTRFS_IOCTL_MAGIC, 44, \
+ struct btrfs_ioctl_quota_rescan_args)
+#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_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 52, \
+ 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
+
#endif
projects / platform / upstream / btrfs-progs.git / blobdiff