X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Finclude%2Flustre%2Flustre_idl.h;h=1f8641d8f9e647c37ccb6b09adab1898ab653378;hb=1ecf5bd5a3bece3d615d037a332792e360b49a09;hp=d758c8c09959dc6a3699cf87854b6db8ae39497c;hpb=1738e70fe6aaf1e07b78a6b89eb11ea115135e69;p=fs%2Flustre-release.git diff --git a/lustre/include/lustre/lustre_idl.h b/lustre/include/lustre/lustre_idl.h index d758c8c..1f8641d 100644 --- a/lustre/include/lustre/lustre_idl.h +++ b/lustre/include/lustre/lustre_idl.h @@ -186,113 +186,6 @@ struct lu_seq_range_array { #define LU_SEQ_RANGE_MASK 0x3 -static inline unsigned fld_range_type(const struct lu_seq_range *range) -{ - return range->lsr_flags & LU_SEQ_RANGE_MASK; -} - -static inline bool fld_range_is_ost(const struct lu_seq_range *range) -{ - return fld_range_type(range) == LU_SEQ_RANGE_OST; -} - -static inline bool fld_range_is_mdt(const struct lu_seq_range *range) -{ - return fld_range_type(range) == LU_SEQ_RANGE_MDT; -} - -/** - * This all range is only being used when fld client sends fld query request, - * but it does not know whether the seq is MDT or OST, so it will send req - * with ALL type, which means either seq type gotten from lookup can be - * expected. - */ -static inline unsigned fld_range_is_any(const struct lu_seq_range *range) -{ - return fld_range_type(range) == LU_SEQ_RANGE_ANY; -} - -static inline void fld_range_set_type(struct lu_seq_range *range, - unsigned flags) -{ - range->lsr_flags |= flags; -} - -static inline void fld_range_set_mdt(struct lu_seq_range *range) -{ - fld_range_set_type(range, LU_SEQ_RANGE_MDT); -} - -static inline void fld_range_set_ost(struct lu_seq_range *range) -{ - fld_range_set_type(range, LU_SEQ_RANGE_OST); -} - -static inline void fld_range_set_any(struct lu_seq_range *range) -{ - fld_range_set_type(range, LU_SEQ_RANGE_ANY); -} - -/** - * returns width of given range \a r - */ - -static inline __u64 range_space(const struct lu_seq_range *range) -{ - return range->lsr_end - range->lsr_start; -} - -/** - * initialize range to zero - */ - -static inline void range_init(struct lu_seq_range *range) -{ - memset(range, 0, sizeof(*range)); -} - -/** - * check if given seq id \a s is within given range \a r - */ - -static inline bool range_within(const struct lu_seq_range *range, - __u64 s) -{ - return s >= range->lsr_start && s < range->lsr_end; -} - -static inline bool range_is_sane(const struct lu_seq_range *range) -{ - return range->lsr_end >= range->lsr_start; -} - -static inline bool range_is_zero(const struct lu_seq_range *range) -{ - return range->lsr_start == 0 && range->lsr_end == 0; -} - -static inline bool range_is_exhausted(const struct lu_seq_range *range) -{ - return range_space(range) == 0; -} - -/* return 0 if two range have the same location */ -static inline int range_compare_loc(const struct lu_seq_range *r1, - const struct lu_seq_range *r2) -{ - return r1->lsr_index != r2->lsr_index || - r1->lsr_flags != r2->lsr_flags; -} - -#define DRANGE "[%#16.16"LPF64"x-%#16.16"LPF64"x):%x:%s" - -#define PRANGE(range) \ - (range)->lsr_start, \ - (range)->lsr_end, \ - (range)->lsr_index, \ - fld_range_is_mdt(range) ? "mdt" : "ost" - - /** \defgroup lu_fid lu_fid * @{ */ @@ -401,8 +294,8 @@ enum fid_seq { FID_SEQ_OST_MDT0 = 0, FID_SEQ_LLOG = 1, /* unnamed llogs */ FID_SEQ_ECHO = 2, - FID_SEQ_OST_MDT1 = 3, - FID_SEQ_OST_MAX = 9, /* Max MDT count before OST_on_FID */ + FID_SEQ_UNUSED_START = 3, + FID_SEQ_UNUSED_END = 9, FID_SEQ_LLOG_NAME = 10, /* named llogs */ FID_SEQ_RSVD = 11, FID_SEQ_IGIF = 12, @@ -426,6 +319,11 @@ enum fid_seq { FID_SEQ_QUOTA_GLB = 0x200000006ULL, FID_SEQ_ROOT = 0x200000007ULL, /* Located on MDT0 */ FID_SEQ_LAYOUT_RBTREE = 0x200000008ULL, + /* sequence is used for update logs of cross-MDT operation */ + FID_SEQ_UPDATE_LOG = 0x200000009ULL, + /* Sequence is used for the directory under which update logs + * are created. */ + FID_SEQ_UPDATE_LOG_DIR = 0x20000000aULL, FID_SEQ_NORMAL = 0x200000400ULL, FID_SEQ_LOV_DEFAULT = 0xffffffffffffffffULL }; @@ -537,6 +435,20 @@ static inline void lu_echo_root_fid(struct lu_fid *fid) fid->f_ver = 0; } +static inline void lu_update_log_fid(struct lu_fid *fid, __u32 index) +{ + fid->f_seq = FID_SEQ_UPDATE_LOG; + fid->f_oid = index; + fid->f_ver = 0; +} + +static inline void lu_update_log_dir_fid(struct lu_fid *fid, __u32 index) +{ + fid->f_seq = FID_SEQ_UPDATE_LOG_DIR; + fid->f_oid = index; + fid->f_ver = 0; +} + /** * Check if a fid is igif or not. * \param fid the fid to be tested. @@ -587,6 +499,26 @@ static inline int fid_is_layout_rbtree(const struct lu_fid *fid) return fid_seq(fid) == FID_SEQ_LAYOUT_RBTREE; } +static inline bool fid_seq_is_update_log(__u64 seq) +{ + return seq == FID_SEQ_UPDATE_LOG; +} + +static inline bool fid_is_update_log(const struct lu_fid *fid) +{ + return fid_seq_is_update_log(fid_seq(fid)); +} + +static inline bool fid_seq_is_update_log_dir(__u64 seq) +{ + return seq == FID_SEQ_UPDATE_LOG_DIR; +} + +static inline bool fid_is_update_log_dir(const struct lu_fid *fid) +{ + return fid_seq_is_update_log_dir(fid_seq(fid)); +} + /* convert an OST objid into an IDIF FID SEQ number */ static inline __u64 fid_idif_seq(__u64 id, __u32 ost_idx) { @@ -807,7 +739,8 @@ static inline int fid_to_ostid(const struct lu_fid *fid, struct ost_id *ostid) /* Check whether the fid is for LAST_ID */ static inline bool fid_is_last_id(const struct lu_fid *fid) { - return fid_oid(fid) == 0; + return fid_oid(fid) == 0 && fid_seq(fid) != FID_SEQ_UPDATE_LOG && + fid_seq(fid) != FID_SEQ_UPDATE_LOG_DIR; } /** @@ -883,7 +816,6 @@ static inline bool fid_is_sane(const struct lu_fid *fid) } extern void lustre_swab_lu_fid(struct lu_fid *fid); -extern void lustre_swab_lu_seq_range(struct lu_seq_range *range); static inline bool lu_fid_eq(const struct lu_fid *f0, const struct lu_fid *f1) { @@ -1163,8 +1095,11 @@ struct ptlrpc_body_v3 { __u64 pb_slv; /* VBR: pre-versions */ __u64 pb_pre_versions[PTLRPC_NUM_VERSIONS]; + __u64 pb_mbits; /**< match bits for bulk request */ /* padding for future needs */ - __u64 pb_padding[4]; + __u64 pb_padding64_0; + __u64 pb_padding64_1; + __u64 pb_padding64_2; char pb_jobid[LUSTRE_JOBID_SIZE]; }; #define ptlrpc_body ptlrpc_body_v3 @@ -1191,8 +1126,11 @@ struct ptlrpc_body_v2 { __u64 pb_slv; /* VBR: pre-versions */ __u64 pb_pre_versions[PTLRPC_NUM_VERSIONS]; + __u64 pb_mbits; /**< unused in V2 */ /* padding for future needs */ - __u64 pb_padding[4]; + __u64 pb_padding64_0; + __u64 pb_padding64_1; + __u64 pb_padding64_2; }; extern void lustre_swab_ptlrpc_body(struct ptlrpc_body *pb); @@ -1321,7 +1259,8 @@ extern void lustre_swab_ptlrpc_body(struct ptlrpc_body *pb); #define OBD_CONNECT_MULTIMODRPCS 0x200000000000000ULL /* support multiple modify RPCs in parallel */ #define OBD_CONNECT_DIR_STRIPE 0x400000000000000ULL /* striped DNE dir */ - +/** bulk matchbits is sent within ptlrpc_body */ +#define OBD_CONNECT_BULK_MBITS 0x2000000000000000ULL /* XXX README XXX: * Please DO NOT add flag values here before first ensuring that this same * flag value is not in use on some other branch. Please clear any such @@ -1354,8 +1293,7 @@ extern void lustre_swab_ptlrpc_body(struct ptlrpc_body *pb); OBD_CONNECT_CANCELSET | OBD_CONNECT_AT | \ OBD_CONNECT_RMT_CLIENT | \ OBD_CONNECT_RMT_CLIENT_FORCE | \ - OBD_CONNECT_BRW_SIZE | OBD_CONNECT_MDS_CAPA | \ - OBD_CONNECT_OSS_CAPA | OBD_CONNECT_MDS_MDS | \ + OBD_CONNECT_BRW_SIZE | OBD_CONNECT_MDS_MDS | \ OBD_CONNECT_FID | LRU_RESIZE_CONNECT_FLAG | \ OBD_CONNECT_VBR | OBD_CONNECT_LOV_V3 | \ OBD_CONNECT_FULL20 | \ @@ -1367,12 +1305,14 @@ extern void lustre_swab_ptlrpc_body(struct ptlrpc_body *pb); OBD_CONNECT_FLOCK_DEAD | \ OBD_CONNECT_DISP_STRIPE | OBD_CONNECT_LFSCK | \ OBD_CONNECT_OPEN_BY_FID | \ - OBD_CONNECT_DIR_STRIPE) + OBD_CONNECT_DIR_STRIPE | \ + OBD_CONNECT_BULK_MBITS | \ + OBD_CONNECT_MULTIMODRPCS) #define OST_CONNECT_SUPPORTED (OBD_CONNECT_SRVLOCK | OBD_CONNECT_GRANT | \ OBD_CONNECT_REQPORTAL | OBD_CONNECT_VERSION | \ OBD_CONNECT_TRUNCLOCK | OBD_CONNECT_INDEX | \ - OBD_CONNECT_BRW_SIZE | OBD_CONNECT_OSS_CAPA | \ + OBD_CONNECT_BRW_SIZE | \ OBD_CONNECT_CANCELSET | OBD_CONNECT_AT | \ LRU_RESIZE_CONNECT_FLAG | OBD_CONNECT_CKSUM | \ OBD_CONNECT_RMT_CLIENT | \ @@ -1385,11 +1325,13 @@ extern void lustre_swab_ptlrpc_body(struct ptlrpc_body *pb); OBD_CONNECT_JOBSTATS | \ OBD_CONNECT_LIGHTWEIGHT | OBD_CONNECT_LVB_TYPE|\ OBD_CONNECT_LAYOUTLOCK | OBD_CONNECT_FID | \ - OBD_CONNECT_PINGLESS | OBD_CONNECT_LFSCK) + OBD_CONNECT_PINGLESS | OBD_CONNECT_LFSCK | \ + OBD_CONNECT_BULK_MBITS) #define ECHO_CONNECT_SUPPORTED (0) #define MGS_CONNECT_SUPPORTED (OBD_CONNECT_VERSION | OBD_CONNECT_AT | \ OBD_CONNECT_FULL20 | OBD_CONNECT_IMP_RECOV | \ - OBD_CONNECT_MNE_SWAB | OBD_CONNECT_PINGLESS) + OBD_CONNECT_MNE_SWAB | OBD_CONNECT_PINGLESS |\ + OBD_CONNECT_BULK_MBITS) /* Features required for this version of the client to work with server */ #define CLIENT_CONNECT_MDT_REQD (OBD_CONNECT_IBITS | OBD_CONNECT_FID | \ @@ -1750,7 +1692,7 @@ lov_mds_md_max_stripe_count(size_t buf_size, __u32 lmm_magic) #define OBD_MD_FLCKSUM (0x00100000ULL) /* bulk data checksum */ #define OBD_MD_FLQOS (0x00200000ULL) /* quality of service stats */ /*#define OBD_MD_FLOSCOPQ (0x00400000ULL) osc opaque data, never used */ -#define OBD_MD_FLCOOKIE (0x00800000ULL) /* log cancellation cookie */ +/* OBD_MD_FLCOOKIE (0x00800000ULL) obsolete in 2.8 */ #define OBD_MD_FLGROUP (0x01000000ULL) /* group */ #define OBD_MD_FLFID (0x02000000ULL) /* ->ost write inline fid */ #define OBD_MD_FLEPOCH (0x04000000ULL) /* ->ost write with ioepoch */ @@ -1787,7 +1729,8 @@ lov_mds_md_max_stripe_count(size_t buf_size, __u32 lmm_magic) #define OBD_MD_FLRMTRGETFACL (0x0008000000000000ULL) /* lfs rgetfacl case */ #define OBD_MD_FLDATAVERSION (0x0010000000000000ULL) /* iversion sum */ -#define OBD_MD_FLRELEASED (0x0020000000000000ULL) /* file released */ +#define OBD_MD_CLOSE_INTENT_EXECED (0x0020000000000000ULL) /* close intent + executed */ #define OBD_MD_DEFAULT_MEA (0x0040000000000000ULL) /* default MEA */ @@ -2279,7 +2222,7 @@ struct mdt_body { __u32 mbo_eadatasize; __u32 mbo_aclsize; __u32 mbo_max_mdsize; - __u32 mbo_max_cookiesize; + __u32 mbo_unused3; /* was max_cookiesize until 2.8 */ __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 */ @@ -2428,23 +2371,6 @@ extern void lustre_swab_mdt_rec_setattr (struct mdt_rec_setattr *sa); MDS_OPEN_BY_FID | MDS_OPEN_LEASE | \ MDS_OPEN_RELEASE) -/* permission for create non-directory file */ -#define MAY_CREATE (1 << 7) -/* permission for create directory file */ -#define MAY_LINK (1 << 8) -/* permission for delete from the directory */ -#define MAY_UNLINK (1 << 9) -/* source's permission for rename */ -#define MAY_RENAME_SRC (1 << 10) -/* target's permission for rename */ -#define MAY_RENAME_TAR (1 << 11) -/* part (parent's) VTX permission check */ -#define MAY_VTX_PART (1 << 12) -/* full VTX permission check */ -#define MAY_VTX_FULL (1 << 13) -/* lfs rgetfacl permission check */ -#define MAY_RGETFACL (1 << 14) - enum mds_op_bias { MDS_CHECK_SPLIT = 1 << 0, MDS_CROSS_REF = 1 << 1, @@ -2460,6 +2386,7 @@ enum mds_op_bias { MDS_OWNEROVERRIDE = 1 << 11, MDS_HSM_RELEASE = 1 << 12, MDS_RENAME_MIGRATE = 1 << 13, + MDS_CLOSE_LAYOUT_SWAP = 1 << 14, }; /* instance of mdt_reint_rec */ @@ -3148,6 +3075,8 @@ enum llog_ctxt_id { /* for multiple changelog consumers */ LLOG_CHANGELOG_USER_ORIG_CTXT = 14, LLOG_AGENT_ORIG_CTXT = 15, /**< agent requests generation on cdt */ + LLOG_UPDATELOG_ORIG_CTXT = 16, /* update log */ + LLOG_UPDATELOG_REPL_CTXT = 17, /* update log */ LLOG_MAX_CTXTS }; @@ -3190,6 +3119,7 @@ typedef enum { CHANGELOG_REC = LLOG_OP_MAGIC | 0x60000, CHANGELOG_USER_REC = LLOG_OP_MAGIC | 0x70000, HSM_AGENT_REC = LLOG_OP_MAGIC | 0x80000, + UPDATE_REC = LLOG_OP_MAGIC | 0xa0000, LLOG_HDR_MAGIC = LLOG_OP_MAGIC | 0x45539, LLOG_LOGID_MAGIC = LLOG_OP_MAGIC | 0x4553b, } llog_op_type; @@ -3372,13 +3302,6 @@ struct llog_gen_rec { struct llog_rec_tail lgr_tail; }; -/* On-disk header structure of each log object, stored in little endian order */ -#define LLOG_CHUNK_SIZE 8192 -#define LLOG_HEADER_SIZE (96) -#define LLOG_BITMAP_BYTES (LLOG_CHUNK_SIZE - LLOG_HEADER_SIZE) - -#define LLOG_MIN_REC_SIZE (24) /* round(llog_rec_hdr + llog_rec_tail) */ - /* flags for the logs */ enum llog_flag { LLOG_F_ZAP_WHEN_EMPTY = 0x1, @@ -3389,24 +3312,46 @@ enum llog_flag { LLOG_F_EXT_MASK = LLOG_F_EXT_JOBID, }; +/* On-disk header structure of each log object, stored in little endian order */ +#define LLOG_MIN_CHUNK_SIZE 8192 +#define LLOG_HEADER_SIZE (96) /* sizeof (llog_log_hdr) + sizeof(llh_tail) + * - sizeof(llh_bitmap) */ +#define LLOG_BITMAP_BYTES (LLOG_MIN_CHUNK_SIZE - LLOG_HEADER_SIZE) +#define LLOG_MIN_REC_SIZE (24) /* round(llog_rec_hdr + llog_rec_tail) */ + 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; + __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]; + /* These fields must always be at the end of the llog_log_hdr. + * Note: llh_bitmap size is variable because llog chunk size could be + * bigger than LLOG_MIN_CHUNK_SIZE, i.e. sizeof(llog_log_hdr) > 8192 + * bytes, and the real size is stored in llh_hdr.lrh_len, which means + * llh_tail should only be refered by LLOG_HDR_TAIL(). + * But this structure is also used by client/server llog interface + * (see llog_client.c), it will be kept in its original way to avoid + * compatiblity issue. */ + __u32 llh_bitmap[LLOG_BITMAP_BYTES / sizeof(__u32)]; + struct llog_rec_tail llh_tail; } __attribute__((packed)); - -#define LLOG_BITMAP_SIZE(llh) (__u32)((llh->llh_hdr.lrh_len - \ - llh->llh_bitmap_offset - \ - sizeof(llh->llh_tail)) * 8) +#undef LLOG_HEADER_SIZE +#undef LLOG_BITMAP_BYTES + +#define LLOG_HDR_BITMAP_SIZE(llh) (__u32)((llh->llh_hdr.lrh_len - \ + llh->llh_bitmap_offset - \ + sizeof(llh->llh_tail)) * 8) +#define LLOG_HDR_BITMAP(llh) (__u32 *)((char *)(llh) + \ + (llh)->llh_bitmap_offset) +#define LLOG_HDR_TAIL(llh) ((struct llog_rec_tail *)((char *)llh + \ + llh->llh_hdr.lrh_len - \ + sizeof(llh->llh_tail))) /** log cookies are used to reference a specific log file and a record therein */ struct llog_cookie { @@ -3475,7 +3420,8 @@ struct obdo { struct lustre_handle o_handle; /* brw: lock handle to prolong * locks */ struct llog_cookie o_lcookie; /* destroy: unlink cookie from - * MDS */ + * MDS, obsolete in 2.8, reused + * in OSP */ __u32 o_uid_h; __u32 o_gid_h; @@ -3606,14 +3552,14 @@ struct ost_body { /* Key for FIEMAP to be used in get_info calls */ struct ll_fiemap_info_key { - char name[8]; - struct obdo oa; - struct ll_user_fiemap fiemap; + char lfik_name[8]; + struct obdo lfik_oa; + struct fiemap lfik_fiemap; }; extern void lustre_swab_ost_body (struct ost_body *b); extern void lustre_swab_ost_last_id(__u64 *id); -extern void lustre_swab_fiemap(struct ll_user_fiemap *fiemap); +extern void lustre_swab_fiemap(struct fiemap *fiemap); extern void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum); extern void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum); @@ -3783,21 +3729,6 @@ enum { #define CAPA_OPC_MDS_DEFAULT ~CAPA_OPC_OSS_ONLY #define CAPA_OPC_OSS_DEFAULT ~(CAPA_OPC_MDS_ONLY | CAPA_OPC_OSS_ONLY) -/* MDS capability covers object capability for operations of body r/w - * (dir readpage/sendpage), index lookup/insert/delete and meta data r/w, - * while OSS capability only covers object capability for operations of - * oss data(file content) r/w/truncate. - */ -static inline int capa_for_mds(struct lustre_capa *c) -{ - return (c->lc_opc & CAPA_OPC_INDEX_LOOKUP) != 0; -} - -static inline int capa_for_oss(struct lustre_capa *c) -{ - return (c->lc_opc & CAPA_OPC_INDEX_LOOKUP) == 0; -} - static inline bool lovea_slot_is_dummy(const struct lov_ost_data_v1 *obj) { /* zero area does not care about the bytes-order. */ @@ -3944,9 +3875,11 @@ extern void lustre_swab_hsm_request(struct hsm_request *hr); */ /** - * Type of each update + * Type of each update, if adding/deleting update, please also update + * update_opcode in lustre/target/out_lib.c. */ enum update_type { + OUT_START = 0, OUT_CREATE = 1, OUT_DESTROY = 2, OUT_REF_ADD = 3, @@ -3960,6 +3893,9 @@ enum update_type { OUT_INDEX_DELETE = 11, OUT_WRITE = 12, OUT_XATTR_DEL = 13, + OUT_PUNCH = 14, + OUT_READ = 15, + OUT_NOOP = 16, OUT_LAST }; @@ -4006,23 +3942,46 @@ struct object_update_request { struct object_update ourq_updates[0]; }; +#define OUT_UPDATE_HEADER_MAGIC 0xBDDF0001 +/* Header for updates request between MDTs */ +struct out_update_header { + __u32 ouh_magic; + __u32 ouh_count; +}; + +struct out_update_buffer { + __u32 oub_size; + __u32 oub_padding; +}; + void lustre_swab_object_update(struct object_update *ou); void lustre_swab_object_update_request(struct object_update_request *our); +void lustre_swab_out_update_header(struct out_update_header *ouh); +void lustre_swab_out_update_buffer(struct out_update_buffer *oub); static inline size_t -object_update_size(const struct object_update *update) +object_update_params_size(const struct object_update *update) { - const struct object_update_param *param; - size_t size; - unsigned int i; + const struct object_update_param *param; + size_t total_size = 0; + unsigned int i; - size = offsetof(struct object_update, ou_params[0]); + param = &update->ou_params[0]; for (i = 0; i < update->ou_params_count; i++) { - param = (struct object_update_param *)((char *)update + size); - size += object_update_param_size(param); + size_t size = object_update_param_size(param); + + param = (struct object_update_param *)((char *)param + size); + total_size += size; } - return size; + return total_size; +} + +static inline size_t +object_update_size(const struct object_update *update) +{ + return offsetof(struct object_update, ou_params[0]) + + object_update_params_size(update); } static inline struct object_update * @@ -4095,6 +4054,30 @@ object_update_result_get(const struct object_update_reply *reply, return ptr; } +/* read update result */ +struct out_read_reply { + __u32 orr_size; + __u32 orr_padding; + __u64 orr_offset; + char orr_data[0]; +}; + +static inline void orr_cpu_to_le(struct out_read_reply *orr_dst, + const struct out_read_reply *orr_src) +{ + orr_dst->orr_size = cpu_to_le32(orr_src->orr_size); + orr_dst->orr_padding = cpu_to_le32(orr_src->orr_padding); + orr_dst->orr_offset = cpu_to_le64(orr_dst->orr_offset); +} + +static inline void orr_le_to_cpu(struct out_read_reply *orr_dst, + const struct out_read_reply *orr_src) +{ + orr_dst->orr_size = le32_to_cpu(orr_src->orr_size); + orr_dst->orr_padding = le32_to_cpu(orr_src->orr_padding); + orr_dst->orr_offset = le64_to_cpu(orr_dst->orr_offset); +} + /** layout swap request structure * fid1 and fid2 are in mdt_body */ @@ -4113,5 +4096,66 @@ struct close_data { void lustre_swab_close_data(struct close_data *data); +struct update_ops; +void lustre_swab_update_ops(struct update_ops *uops, unsigned int op_count); + +/* Update llog format */ +struct update_op { + struct lu_fid uop_fid; + __u16 uop_type; + __u16 uop_param_count; + __u16 uop_params_off[0]; +}; + +struct update_ops { + struct update_op uops_op[0]; +}; + +struct update_params { + struct object_update_param up_params[0]; +}; + +enum update_records_flag { + UPDATE_RECORD_CONTINUE = 1 >> 0, +}; +/* + * This is the update record format used to store the updates in + * disk. All updates of the operation will be stored in ur_ops. + * All of parameters for updates of the operation will be stored + * in ur_params. + * To save the space of the record, parameters in ur_ops will only + * remember their offset in ur_params, so to avoid storing duplicate + * parameters in ur_params, which can help us save a lot space for + * operation like creating striped directory. + */ +struct update_records { + __u64 ur_master_transno; + __u64 ur_batchid; + __u32 ur_flags; + /* If the operation includes multiple updates, then ur_index + * means the index of the update inside the whole updates. */ + __u32 ur_index; + __u32 ur_update_count; + __u32 ur_param_count; + struct update_ops ur_ops; + /* Note ur_ops has a variable size, so comment out + * the following ur_params, in case some use it directly + * update_records->ur_params + * + * struct update_params ur_params; + */ +}; + +struct llog_update_record { + struct llog_rec_hdr lur_hdr; + struct update_records lur_update_rec; + /* Note ur_update_rec has a variable size, so comment out + * the following ur_tail, in case someone use it directly + * + * struct llog_rec_tail lur_tail; + */ +}; + + #endif /** @} lustreidl */