--- /dev/null
+This is all the structs defined in lustre_idl.h iand lustre_user.h, in
+the lustre/include/lustre/ directory, in support of the message format
+symbols. If the right column has <none> that means there is no
+corresponding "RMF_BLA" declaration, it is either unused or used in a
+way I haven't quite sorted out. If there is an X in the right column
+then the RMF_BLA declaration's name is identical to the 'struct'
+declaration, but if the "name" is different it is noted in
+parentheses. If there is a name in the right column then the space
+allocated for the RMF_BLA declaration is the size for this struct, but
+the name in the RMF_BLA declaration doesn't exactly match. The
+ptlrpc_body_v2 and ptlrpc_body_v3 structs do not appear in any
+declarations, but there is a #DEFINE for ptlrpc_body that defines it
+as ptlrpc_body_v3 so I treat it as matching. A #if construct will
+substitute obd_connect_data_v1 for obdconnect_data in code from
+Lustre-2.0 and before.
+
+struct definiiton RMF_* name
+----------------- -----------
+close_data X (data_version)
+getinfo_fid2path <none>
+hsm_current_action X
+hsm_progress_kernel hsm_progress
+hsm_request X
+hsm_state_set X
+hsm_user_item X
+idx_info X
+layout_intent X
+ldlm_intent X
+ldlm_reply dlm_rep
+ldlm_request dlm_req
+lfsck_reply X
+lfsck_request X
+ll_fiemap_info_key fiemap
+llog_cookie llog_cookies
+llog_log_hdr X
+llogd_body X
+llogd_conn_body X
+lu_fid fid
+lu_seq_range fld_query_mdfld
+lustre_capa capa
+lustre_capa_key <none>
+lustre_msg_v2 [the is the header, not a message format, per se]
+mdc_swap_layouts swap_layouts
+mdt_body X
+mdt_ioepoch X
+mdt_rec_reint rec_reint
+mdt_rec_rename <none>
+mgs_config_res X (mgs_config_read reply)
+mgs_send_param X
+mgs_target_info X
+niobuf_remote X
+obd_connect_data cdata
+obd_connect_data_v1 <none>
+obd_ioobj X
+obd_quotactl X
+obd_statfs X
+obd_uuid tgtuuid
+object_update X
+object_update_param <none>
+object_update_reply X
+object_update_request <none>
+object_update_result <none>
+ost_body X
+ptlrpc_body_v2 <none>
+ptlrpc_body_v3 X (as ptlrpc_body)
+quota_body X
+
+----------------------------------------------------------------------
+These are definitions from the header files that appear in
+structures.txt but are not (or do not correspond to) struct
+definitions:
+
+lustre_acl.h
+# define LUSTRE_POSIX_ACL_MAX_SIZE \
+ (sizeof(posix_acl_xattr_header) + \
+ LUSTRE_POSIX_ACL_MAX_ENTRIES * sizeof(posix_acl_xattr_entry))
+
+lustre_idl.h
+#define MIN_MD_SIZE (sizeof(struct lov_mds_md) + 1 * sizeof(struct lov_ost_data))
+
+----------------------------------------------------------------------
+
+The following are the actual struct definitions for the two header
+files. Which file is listed, then the struct defnition.
+
+lustre_idl.h
+struct close_data {
+ struct lustre_handle cd_handle;
+ struct lu_fid cd_fid;
+ __u64 cd_data_version;
+ __u64 cd_reserved[8];
+};
+
+lustre_user.h
+struct hsm_current_action {
+ /** The current undergoing action, if there is one */
+ /* state is one of hsm_progress_states */
+ __u32 hca_state;
+ /* action is one of hsm_user_action */
+ __u32 hca_action;
+ struct hsm_extent hca_location;
+};
+
+lustre_user.h
+struct hsm_extent {
+ __u64 offset;
+ __u64 length;
+} __attribute__((packed));
+
+lustre_idl.h
+struct hsm_progress_kernel {
+ /* Field taken from struct hsm_progress */
+ lustre_fid hpk_fid;
+ __u64 hpk_cookie;
+ struct hsm_extent hpk_extent;
+ __u16 hpk_flags;
+ __u16 hpk_errval; /* positive val */
+ __u32 hpk_padding1;
+ /* Additional fields */
+ __u64 hpk_data_version;
+ __u64 hpk_padding2;
+} __attribute__((packed));
+
+lustre_user.h
+struct hsm_request {
+ __u32 hr_action; /* enum hsm_user_action */
+ __u32 hr_archive_id; /* archive id, used only with HUA_ARCHIVE */
+ __u64 hr_flags; /* request flags */
+ __u32 hr_itemcount; /* item count in hur_user_item vector */
+ __u32 hr_data_len;
+};
+
+lustre_idl.h
+struct hsm_state_set {
+ __u32 hss_valid;
+ __u32 hss_archive_id;
+ __u64 hss_setmask;
+ __u64 hss_clearmask;
+};
+
+lustre_user.h
+struct hsm_user_item {
+ lustre_fid hui_fid;
+ struct hsm_extent hui_extent;
+} __attribute__((packed));
+
+lustre_user.h
+struct hsm_user_state {
+ /** Current HSM states, from enum hsm_states. */
+ __u32 hus_states;
+ __u32 hus_archive_id;
+ /** The current undergoing action, if there is one */
+ __u32 hus_in_progress_state;
+ __u32 hus_in_progress_action;
+ struct hsm_extent hus_in_progress_location;
+ char hus_extended_info[];
+};
+
+lustre_idl.h
+struct idx_info {
+ __u32 ii_magic;
+
+ /* reply: see idx_info_flags below */
+ __u32 ii_flags;
+
+ /* request & reply: number of lu_idxpage (to be) transferred */
+ __u16 ii_count;
+ __u16 ii_pad0;
+
+ /* request: requested attributes passed down to the iterator API */
+ __u32 ii_attrs;
+
+ /* request & reply: index file identifier (FID) */
+ struct lu_fid ii_fid;
+
+ /* reply: version of the index file before starting to walk the index.
+ * Please note that the version can be modified at any time during the
+ * transfer */
+ __u64 ii_version;
+
+ /* request: hash to start with:
+ * reply: hash of the first entry of the first lu_idxpage and hash
+ * of the entry to read next if any */
+ __u64 ii_hash_start;
+ __u64 ii_hash_end;
+
+ /* reply: size of keys in lu_idxpages, minimal one if II_FL_VARKEY is
+ * set */
+ __u16 ii_keysize;
+
+ /* reply: size of records in lu_idxpages, minimal one if II_FL_VARREC
+ * is set */
+ __u16 ii_recsize;
+
+ __u32 ii_pad1;
+ __u64 ii_pad2;
+ __u64 ii_pad3;
+};
+
+lustre_idl.h
+struct layout_intent {
+ __u32 li_opc; /* intent operation for enqueue, read, write etc */
+ __u32 li_flags;
+ __u64 li_start;
+ __u64 li_end;
+};
+
+lustre_idl.h
+union ldlm_gl_desc {
+ struct ldlm_gl_lquota_desc lquota_desc;
+};
+
+lustre_idl.h
+struct ldlm_gl_lquota_desc {
+ union lquota_id gl_id; /* quota ID subject to the glimpse */
+ __u64 gl_flags; /* see LQUOTA_FL* below */
+ __u64 gl_ver; /* new index version */
+ __u64 gl_hardlimit; /* new hardlimit or qunit value */
+ __u64 gl_softlimit; /* new softlimit */
+ __u64 gl_time;
+ __u64 gl_pad2;
+};
+
+lustre_idl.h
+struct ldlm_intent {
+ __u64 opc;
+};
+
+lustre_idl.h
+struct ldlm_lock_desc {
+ struct ldlm_resource_desc l_resource;
+ ldlm_mode_t l_req_mode;
+ ldlm_mode_t l_granted_mode;
+ ldlm_wire_policy_data_t l_policy_data;
+};
+
+lustre_idl.h
+struct ldlm_reply {
+ __u32 lock_flags;
+ __u32 lock_padding; /* also fix lustre_swab_ldlm_reply */
+ struct ldlm_lock_desc lock_desc;
+ struct lustre_handle lock_handle;
+ __u64 lock_policy_res1;
+ __u64 lock_policy_res2;
+};
+
+lustre_idl.h
+struct ldlm_request {
+ __u32 lock_flags;
+ __u32 lock_count;
+ struct ldlm_lock_desc lock_desc;
+ struct lustre_handle lock_handle[LDLM_LOCKREQ_HANDLES];
+};
+
+lustre_idl.h
+#define RES_NAME_SIZE 4
+struct ldlm_res_id {
+ __u64 name[RES_NAME_SIZE];
+};
+
+lustre_idl.h
+struct ldlm_resource_desc {
+ ldlm_type_t lr_type;
+ __u32 lr_padding; /* also fix lustre_swab_ldlm_resource_desc */
+ struct ldlm_res_id lr_name;
+};
+
+lustre_idl.h
+struct lfsck_reply {
+ __u32 lr_status;
+ __u32 lr_padding_1;
+ __u64 lr_padding_2;
+};
+
+lustre_idl.h
+struct lfsck_request {
+ __u32 lr_event;
+ __u32 lr_index;
+ __u32 lr_flags;
+ __u32 lr_valid;
+ union {
+ __u32 lr_speed;
+ __u32 lr_status;
+ __u32 lr_type;
+ };
+ __u16 lr_version;
+ __u16 lr_active;
+ __u16 lr_param;
+ __u16 lr_async_windows;
+ __u32 lr_flags2;
+ struct lu_fid lr_fid;
+ struct lu_fid lr_fid2;
+ struct lu_fid lr_fid3;
+ __u64 lr_padding_1;
+ __u64 lr_padding_2;
+};
+
+lustre_idl.h
+struct ll_fiemap_info_key {
+ char name[8];
+ struct obdo oa;
+ struct ll_user_fiemap fiemap;
+};
+
+ll_fiemap.h
+struct ll_user_fiemap {
+ __u64 fm_start; /* logical offset (inclusive) at
+ * which to start mapping (in) */
+ __u64 fm_length; /* logical length of mapping which
+ * userspace wants (in) */
+ __u32 fm_flags; /* FIEMAP_FLAG_* flags for request (in/out) */
+ __u32 fm_mapped_extents;/* number of extents that were mapped (out) */
+ __u32 fm_extent_count; /* size of fm_extents array (in) */
+ __u32 fm_reserved;
+ struct ll_fiemap_extent fm_extents[0]; /* array of mapped extents (out) */
+};
+
+ll_fiemap.h
+struct ll_fiemap_extent {
+ __u64 fe_logical; /* logical offset in bytes for the start of
+ * the extent from the beginning of the file */
+ __u64 fe_physical; /* physical offset in bytes for the start
+ * of the extent from the beginning of the disk */
+ __u64 fe_length; /* length in bytes for this extent */
+ __u64 fe_reserved64[2];
+ __u32 fe_flags; /* FIEMAP_EXTENT_* flags for this extent */
+ __u32 fe_device; /* device number for this extent */
+ __u32 fe_reserved[2];
+};
+
+lustre_idl.h
+struct llog_cookie {
+ struct llog_logid lgc_lgl;
+ __u32 lgc_subsys;
+ __u32 lgc_index;
+ __u32 lgc_padding;
+} __attribute__((packed));
+
+lustre_idl.h
+struct llog_gen {
+ __u64 mnt_cnt;
+ __u64 conn_cnt;
+} __attribute__((packed));
+
+lustre_idl.h
+struct llog_log_hdr {
+ struct llog_rec_hdr llh_hdr;
+ __s64 llh_timestamp;
+ __u32 llh_count;
+ __u32 llh_bitmap_offset;
+ __u32 llh_size;
+ __u32 llh_flags;
+ __u32 llh_cat_idx;
+ /* for a catalog the first plain slot is next to it */
+ struct obd_uuid llh_tgtuuid;
+ __u32 llh_reserved[LLOG_HEADER_SIZE/sizeof(__u32) - 23];
+ __u32 llh_bitmap[LLOG_BITMAP_BYTES/sizeof(__u32)];
+ struct llog_rec_tail llh_tail;
+} __attribute__((packed));
+
+lustre_idl.h
+struct llog_logid {
+ struct ost_id lgl_oi;
+ __u32 lgl_ogen;
+} __attribute__((packed));
+
+lustre_idl.h
+struct llog_rec_hdr {
+ __u32 lrh_len;
+ __u32 lrh_index;
+ __u32 lrh_type;
+ __u32 lrh_id;
+};
+
+lustre_idl.h
+struct llog_rec_tail {
+ __u32 lrt_len;
+ __u32 lrt_index;
+};
+
+lustre_idl.h
+struct llogd_body {
+ struct llog_logid lgd_logid;
+ __u32 lgd_ctxt_idx;
+ __u32 lgd_llh_flags;
+ __u32 lgd_index;
+ __u32 lgd_saved_index;
+ __u32 lgd_len;
+ __u64 lgd_cur_offset;
+} __attribute__((packed));
+
+lustre_idl.h
+struct llogd_conn_body {
+ struct llog_gen lgdc_gen;
+ struct llog_logid lgdc_logid;
+ __u32 lgdc_ctxt_idx;
+} __attribute__((packed));
+
+#define lov_mds_md lov_mds_md_v1
+struct lov_mds_md_v1 { /* LOV EA mds/wire data (little-endian) */
+ __u32 lmm_magic; /* magic number = LOV_MAGIC_V1 */
+ __u32 lmm_pattern; /* LOV_PATTERN_RAID0, LOV_PATTERN_RAID1 */
+ struct ost_id lmm_oi; /* LOV object ID */
+ __u32 lmm_stripe_size; /* size of stripe in bytes */
+ /* lmm_stripe_count used to be __u32 */
+ __u16 lmm_stripe_count; /* num stripes in use for this object */
+ __u16 lmm_layout_gen; /* layout generation number */
+ struct lov_ost_data_v1 lmm_objects[0]; /* per-stripe data */
+};
+
+lustre_user.h
+#define lov_ost_data lov_ost_data_v1
+struct lov_ost_data_v1 { /* per-stripe data structure (little-endian)*/
+ struct ost_id l_ost_oi; /* OST object ID */
+ __u32 l_ost_gen; /* generation of this l_ost_idx */
+ __u32 l_ost_idx; /* OST index in LOV (lov_tgt_desc->tgts) */
+};
+
+lustre_user.h
+struct lu_fid {
+ /**
+ * FID sequence. Sequence is a unit of migration: all files (objects)
+ * with FIDs from a given sequence are stored on the same server.
+ * Lustre should support 2^64 objects, so even if each sequence
+ * has only a single object we can still enumerate 2^64 objects.
+ **/
+ __u64 f_seq;
+ /* FID number within sequence. */
+ __u32 f_oid;
+ /**
+ * FID version, used to distinguish different versions (in the sense
+ * of snapshots, etc.) of the same file system object. Not currently
+ * used.
+ **/
+ __u32 f_ver;
+};
+
+lustre_idl.h
+struct lu_seq_range {
+ __u64 lsr_start;
+ __u64 lsr_end;
+ __u32 lsr_index;
+ __u32 lsr_flags;
+};
+
+lustre_idl.h
+struct lustre_capa {
+ struct lu_fid lc_fid; /** fid */
+ __u64 lc_opc; /** operations allowed */
+ __u64 lc_uid; /** file owner */
+ __u64 lc_gid; /** file group */
+ __u32 lc_flags; /** HMAC algorithm & flags */
+ __u32 lc_keyid; /** key# used for the capability */
+ __u32 lc_timeout; /** capa timeout value (sec) */
+ __u32 lc_expiry; /** expiry time (sec) */
+ __u8 lc_hmac[CAPA_HMAC_MAX_LEN]; /** HMAC */
+} __attribute__((packed));
+
+lustre_idl.h
+struct lustre_handle {
+ __u64 cookie;
+};
+
+lustre_idl.h
+struct lustre_msg_v2 {
+ __u32 lm_bufcount;
+ __u32 lm_secflvr;
+ __u32 lm_magic;
+ __u32 lm_repsize;
+ __u32 lm_cksum;
+ __u32 lm_flags;
+ __u32 lm_padding_2;
+ __u32 lm_padding_3;
+ __u32 lm_buflens[0];
+};
+
+lustre_idl.h
+struct mdc_swap_layouts {
+ __u64 msl_flags;
+} __packed;
+
+lustre_idl.h
+struct mdt_body {
+ struct lu_fid mbo_fid1;
+ struct lu_fid mbo_fid2;
+ struct lustre_handle mbo_handle;
+ __u64 mbo_valid;
+ __u64 mbo_size; /* Offset, in the case of MDS_READPAGE */
+ __s64 mbo_mtime;
+ __s64 mbo_atime;
+ __s64 mbo_ctime;
+ __u64 mbo_blocks; /* XID, in the case of MDS_READPAGE */
+ __u64 mbo_ioepoch;
+ __u64 mbo_t_state; /* transient file state defined in
+ * enum md_transient_state
+ * was "ino" until 2.4.0 */
+ __u32 mbo_fsuid;
+ __u32 mbo_fsgid;
+ __u32 mbo_capability;
+ __u32 mbo_mode;
+ __u32 mbo_uid;
+ __u32 mbo_gid;
+ __u32 mbo_flags;
+ __u32 mbo_rdev;
+ __u32 mbo_nlink; /* #bytes to read in the case of MDS_READPAGE */
+ __u32 mbo_unused2; /* was "generation" until 2.4.0 */
+ __u32 mbo_suppgid;
+ __u32 mbo_eadatasize;
+ __u32 mbo_aclsize;
+ __u32 mbo_max_mdsize;
+ __u32 mbo_max_cookiesize;
+ __u32 mbo_uid_h; /* high 32-bits of uid, for FUID */
+ __u32 mbo_gid_h; /* high 32-bits of gid, for FUID */
+ __u32 mbo_padding_5; /* also fix lustre_swab_mdt_body */
+ __u64 mbo_padding_6;
+ __u64 mbo_padding_7;
+ __u64 mbo_padding_8;
+ __u64 mbo_padding_9;
+ __u64 mbo_padding_10;
+}; /* 216 */
+
+lustre_idl.h
+struct mdt_ioepoch {
+ struct lustre_handle handle;
+ __u64 ioepoch;
+ __u32 flags;
+ __u32 padding;
+};
+
+lustre_idl.h
+struct mdt_rec_reint {
+ __u32 rr_opcode;
+ __u32 rr_cap;
+ __u32 rr_fsuid;
+ __u32 rr_fsuid_h;
+ __u32 rr_fsgid;
+ __u32 rr_fsgid_h;
+ __u32 rr_suppgid1;
+ __u32 rr_suppgid1_h;
+ __u32 rr_suppgid2;
+ __u32 rr_suppgid2_h;
+ struct lu_fid rr_fid1;
+ struct lu_fid rr_fid2;
+ __s64 rr_mtime;
+ __s64 rr_atime;
+ __s64 rr_ctime;
+ __u64 rr_size;
+ __u64 rr_blocks;
+ __u32 rr_bias;
+ __u32 rr_mode;
+ __u32 rr_flags;
+ __u32 rr_flags_h;
+ __u32 rr_umask;
+ __u32 rr_padding_4; /* also fix lustre_swab_mdt_rec_reint */
+};
+
+lustre_idl.h
+struct mgs_config_res {
+ __u64 mcr_offset; /* index of last config log */
+ __u64 mcr_size; /* size of the log */
+};
+
+lustre_idl.h
+struct mgs_send_param {
+ char mgs_param[MGS_PARAM_MAXLEN];
+};
+
+lustre_idl.h
+struct mgs_target_info {
+ __u32 mti_lustre_ver;
+ __u32 mti_stripe_index;
+ __u32 mti_config_ver;
+ __u32 mti_flags;
+ __u32 mti_nid_count;
+ __u32 mti_instance; /* Running instance of target */
+ char mti_fsname[MTI_NAME_MAXLEN];
+ char mti_svname[MTI_NAME_MAXLEN];
+ char mti_uuid[sizeof(struct obd_uuid)];
+ __u64 mti_nids[MTI_NIDS_MAX]; /* host nids (lnet_nid_t)*/
+ char mti_params[MTI_PARAM_MAXLEN];
+};
+
+lustre_idl.h
+struct niobuf_remote {
+ __u64 rnb_offset;
+ __u32 rnb_len;
+ __u32 rnb_flags;
+};
+
+lustre_idl.h
+struct obd_connect_data {
+ __u64 ocd_connect_flags; /* OBD_CONNECT_* per above */
+ __u32 ocd_version; /* lustre release version number */
+ __u32 ocd_grant; /* initial cache grant amount (bytes) */
+ __u32 ocd_index; /* LOV index to connect to */
+ __u32 ocd_brw_size; /* Maximum BRW size in bytes */
+ __u64 ocd_ibits_known; /* inode bits this client understands */
+ __u8 ocd_blocksize; /* log2 of the backend filesystem blocksize */
+ __u8 ocd_inodespace; /* log2 of the per-inode space consumption */
+ __u16 ocd_grant_extent; /* per-extent grant overhead, in 1K blocks */
+ __u32 ocd_unused; /* also fix lustre_swab_connect */
+ __u64 ocd_transno; /* first transno from client to be replayed */
+ __u32 ocd_group; /* MDS group on OST */
+ __u32 ocd_cksum_types; /* supported checksum algorithms */
+ __u32 ocd_max_easize; /* How big LOV EA can be on MDS */
+ __u32 ocd_instance; /* instance # of this target */
+ __u64 ocd_maxbytes; /* Maximum stripe size in bytes */
+ /* Fields after ocd_maxbytes are only accessible by the receiver
+ * if the corresponding flag in ocd_connect_flags is set. Accessing
+ * any field after ocd_maxbytes on the receiver without a valid flag
+ * may result in out-of-bound memory access and kernel oops. */
+ __u64 padding1; /* added 2.1.0. also fix lustre_swab_connect */
+ __u64 padding2; /* added 2.1.0. also fix lustre_swab_connect */
+ __u64 padding3; /* added 2.1.0. also fix lustre_swab_connect */
+ __u64 padding4; /* added 2.1.0. also fix lustre_swab_connect */
+ __u64 padding5; /* added 2.1.0. also fix lustre_swab_connect */
+ __u64 padding6; /* added 2.1.0. also fix lustre_swab_connect */
+ __u64 padding7; /* added 2.1.0. also fix lustre_swab_connect */
+ __u64 padding8; /* added 2.1.0. also fix lustre_swab_connect */
+ __u64 padding9; /* added 2.1.0. also fix lustre_swab_connect */
+ __u64 paddingA; /* added 2.1.0. also fix lustre_swab_connect */
+ __u64 paddingB; /* added 2.1.0. also fix lustre_swab_connect */
+ __u64 paddingC; /* added 2.1.0. also fix lustre_swab_connect */
+ __u64 paddingD; /* added 2.1.0. also fix lustre_swab_connect */
+ __u64 paddingE; /* added 2.1.0. also fix lustre_swab_connect */
+ __u64 paddingF; /* added 2.1.0. also fix lustre_swab_connect */
+};
+
+lustre_user.h
+struct obd_dqblk {
+ __u64 dqb_bhardlimit;
+ __u64 dqb_bsoftlimit;
+ __u64 dqb_curspace;
+ __u64 dqb_ihardlimit;
+ __u64 dqb_isoftlimit;
+ __u64 dqb_curinodes;
+ __u64 dqb_btime;
+ __u64 dqb_itime;
+ __u32 dqb_valid;
+ __u32 dqb_padding;
+};
+
+lustre_user.h
+struct obd_dqinfo {
+ __u64 dqi_bgrace;
+ __u64 dqi_igrace;
+ __u32 dqi_flags;
+ __u32 dqi_valid;
+};
+
+lustre_idl.h
+struct obd_ioobj {
+ struct ost_id ioo_oid; /* object ID, if multi-obj BRW */
+ __u32 ioo_max_brw; /* low 16 bits were o_mode before 2.4,
+ * now (PTLRPC_BULK_OPS_COUNT - 1) in
+ * high 16 bits in 2.4 and later */
+ __u32 ioo_bufcnt; /* number of niobufs for this object */
+};
+
+lustre_idl.h
+struct obd_quotactl {
+ __u32 qc_cmd;
+ __u32 qc_type; /* see Q_* flag below */
+ __u32 qc_id;
+ __u32 qc_stat;
+ struct obd_dqinfo qc_dqinfo;
+ struct obd_dqblk qc_dqblk;
+};
+
+lustre_user.h
+struct obd_statfs {
+ __u64 os_type;
+ __u64 os_blocks;
+ __u64 os_bfree;
+ __u64 os_bavail;
+ __u64 os_files;
+ __u64 os_ffree;
+ __u8 os_fsid[40];
+ __u32 os_bsize;
+ __u32 os_namelen;
+ __u64 os_maxbytes;
+ __u32 os_state; /**< obd_statfs_state OS_STATE_* flag */
+ __u32 os_fprecreated; /* objs available now to the caller */
+ /* used in QoS code to find preferred
+ * OSTs */
+ __u32 os_spare2;
+ __u32 os_spare3;
+ __u32 os_spare4;
+ __u32 os_spare5;
+ __u32 os_spare6;
+ __u32 os_spare7;
+ __u32 os_spare8;
+ __u32 os_spare9;
+};
+
+lustre_user.h
+#define UUID_MAX 40
+struct obd_uuid {
+ char uuid[UUID_MAX];
+};
+
+struct obdo {
+ __u64 o_valid; /* hot fields in this obdo */
+ struct ost_id o_oi;
+ __u64 o_parent_seq;
+ __u64 o_size; /* o_size-o_blocks == ost_lvb */
+ __s64 o_mtime;
+ __s64 o_atime;
+ __s64 o_ctime;
+ __u64 o_blocks; /* brw: cli sent cached bytes */
+ __u64 o_grant;
+
+ /* 32-bit fields start here: keep an even number of them via padding */
+ __u32 o_blksize; /* optimal IO blocksize */
+ __u32 o_mode; /* brw: cli sent cache remain */
+ __u32 o_uid;
+ __u32 o_gid;
+ __u32 o_flags;
+ __u32 o_nlink; /* brw: checksum */
+ __u32 o_parent_oid;
+ __u32 o_misc; /* brw: o_dropped */
+
+ __u64 o_ioepoch; /* epoch in ost writes */
+ __u32 o_stripe_idx; /* holds stripe idx */
+ __u32 o_parent_ver;
+ struct lustre_handle o_handle; /* brw: lock handle to prolong
+ * locks */
+ struct llog_cookie o_lcookie; /* destroy: unlink cookie from
+ * MDS */
+ __u32 o_uid_h;
+ __u32 o_gid_h;
+
+ __u64 o_data_version; /* getattr: sum of iversion for
+ * each stripe.
+ * brw: grant space consumed on
+ * the client for the write */
+ __u64 o_padding_4;
+ __u64 o_padding_5;
+ __u64 o_padding_6;
+};
+
+lustre_idl.h
+struct ost_body {
+ struct obdo oa;
+};
+
+lustre_user.h
+struct ost_id {
+ union {
+ struct {
+ __u64 oi_id;
+ __u64 oi_seq;
+ } oi;
+ struct lu_fid oi_fid;
+ };
+};
+
+lustre_idl.h
+struct ptlrpc_body_v3 {
+ struct lustre_handle pb_handle;
+ __u32 pb_type;
+ __u32 pb_version;
+ __u32 pb_opc;
+ __u32 pb_status;
+ __u64 pb_last_xid;
+ __u64 pb_last_seen;
+ __u64 pb_last_committed;
+ __u64 pb_transno;
+ __u32 pb_flags;
+ __u32 pb_op_flags;
+ __u32 pb_conn_cnt;
+ __u32 pb_timeout; /* for req, the deadline, for rep, the service est */
+ __u32 pb_service_time; /* for rep, actual service time */
+ __u32 pb_limit;
+ __u64 pb_slv;
+ /* VBR: pre-versions */
+ __u64 pb_pre_versions[PTLRPC_NUM_VERSIONS];
+ /* padding for future needs */
+ __u64 pb_padding[4];
+ char pb_jobid[LUSTRE_JOBID_SIZE];
+};
+
+lustre_idl.h
+struct quota_body {
+ struct lu_fid qb_fid; /* FID of global index packing the pool ID
+ * and type (data or metadata) as well as
+ * the quota type (user or group). */
+ union lquota_id qb_id; /* uid or gid or directory FID */
+ __u32 qb_flags; /* see below */
+ __u32 qb_padding;
+ __u64 qb_count; /* acquire/release count (kbytes/inodes) */
+ __u64 qb_usage; /* current slave usage (kbytes/inodes) */
+ __u64 qb_slv_ver; /* slave index file version */
+ struct lustre_handle qb_lockh; /* per-ID lock handle */
+ struct lustre_handle qb_glb_lockh; /* global lock handle */
+ __u64 qb_padding1[4];
+};
git://git.whamcloud.com / doc / protocol.git / blobdiff