X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;ds=sidebyside;f=lustre%2Finclude%2Flustre%2Flustre_idl.h;h=3be6942c789d20d3029d1dddcd08827f84b0c42d;hb=70e80ade90af09300396706b8910e196a7928520;hp=f8061b920e9dc4636eedd0160cb4c9d05bd72ba7;hpb=2ce82af177059e9fe56f1a48a38b2b9338b74b4c;p=fs%2Flustre-release.git diff --git a/lustre/include/lustre/lustre_idl.h b/lustre/include/lustre/lustre_idl.h index f8061b9..3be6942 100644 --- a/lustre/include/lustre/lustre_idl.h +++ b/lustre/include/lustre/lustre_idl.h @@ -1,7 +1,39 @@ /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- * vim:expandtab:shiftwidth=8:tabstop=8: * - * This file is part of Lustre, http://www.lustre.org + * GPL HEADER START + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 only, + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License version 2 for more details (a copy is included + * in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU General Public License + * version 2 along with this program; If not, see [sun.com URL with a + * copy of GPLv2]. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + * GPL HEADER END + */ +/* + * Copyright 2008 Sun Microsystems, Inc. All rights reserved + * Use is subject to license terms. + */ +/* + * This file is part of Lustre, http://www.lustre.org/ + * Lustre is a trademark of Sun Microsystems, Inc. + * + * lustre/include/lustre/lustre_idl.h * * Lustre wire protocol definitions. * @@ -52,17 +84,9 @@ #ifndef _LUSTRE_IDL_H_ #define _LUSTRE_IDL_H_ -#include +#include -#if defined(__linux__) -#include -#elif defined(__APPLE__) -#include -#elif defined(__WINNT__) -#include -#else -#error Unsupported operating system. -#endif +#include /* Defn's shared with user-space. */ #include @@ -196,7 +220,7 @@ static inline int range_is_exhausted(struct lu_range *r) struct lu_fid { __u64 f_seq; /* holds fid sequence. Lustre should support 2 ^ 64 * objects, thus even if one sequence has one object we - * reach this value. */ + * will never reach this value. */ __u32 f_oid; /* fid number within its sequence. */ __u32 f_ver; /* holds fid version. */ }; @@ -205,8 +229,6 @@ struct lu_fid { * fid constants */ enum { - LUSTRE_ROOT_FID_SEQ = 1ULL, /* XXX: should go into mkfs. */ - /* initial fid id value */ LUSTRE_FID_INIT_OID = 1UL }; @@ -229,19 +251,55 @@ static inline __u32 fid_ver(const struct lu_fid *fid) return fid->f_ver; } -static inline int fid_seq_is_sane(__u64 seq) -{ - return seq != 0; -} - static inline void fid_zero(struct lu_fid *fid) { memset(fid, 0, sizeof(*fid)); } +/* Normal FID sequence starts from this value, i.e. 1<<33 */ +#define FID_SEQ_START 0x200000000ULL + +/* IDIF sequence starts from this value, i.e. 1<<32 */ +#define IDIF_SEQ_START 0x100000000ULL + +/** + * Check if a fid is igif or not. + * \param fid the fid to be tested. + * \return true if the fid is a igif; otherwise false. + */ static inline int fid_is_igif(const struct lu_fid *fid) { - return fid_seq(fid) == LUSTRE_ROOT_FID_SEQ; + return fid_seq(fid) > 0 && fid_seq(fid) < IDIF_SEQ_START; +} + +/** + * Check if a fid is idif or not. + * \param fid the fid to be tested. + * \return true if the fid is a idif; otherwise false. + */ +static inline int fid_is_idif(const struct lu_fid *fid) +{ + return fid_seq(fid) >= IDIF_SEQ_START && fid_seq(fid) < FID_SEQ_START; +} + +/** + * Get inode number from a igif. + * \param fid a igif to get inode number from. + * \return inode number for the igif. + */ +static inline ino_t lu_igif_ino(const struct lu_fid *fid) +{ + return fid_seq(fid); +} + +/** + * Get inode generation from a igif. + * \param fid a igif to get inode generation from. + * \return inode generation for the igif. + */ +static inline __u32 lu_igif_gen(const struct lu_fid *fid) +{ + return fid_oid(fid); } #define DFID "[0x%16.16"LPF64"x/0x%8.8x:0x%8.8x]" @@ -322,7 +380,7 @@ static inline int fid_is_sane(const struct lu_fid *fid) { return fid != NULL && - ((fid_seq_is_sane(fid_seq(fid)) && fid_oid(fid) != 0 + ((fid_seq(fid) >= FID_SEQ_START && fid_oid(fid) != 0 && fid_ver(fid) == 0) || fid_is_igif(fid)); } @@ -354,13 +412,14 @@ struct lu_dirent { __u64 lde_hash; __u16 lde_reclen; __u16 lde_namelen; + __u32 lde_pad0; char lde_name[0]; }; struct lu_dirpage { __u64 ldp_hash_start; __u64 ldp_hash_end; - __u16 ldp_flags; + __u32 ldp_flags; __u32 ldp_pad0; struct lu_dirent ldp_entries[0]; }; @@ -371,7 +430,7 @@ enum lu_dirpage_flags { static inline struct lu_dirent *lu_dirent_start(struct lu_dirpage *dp) { - if (le16_to_cpu(dp->ldp_flags) & LDF_EMPTY) + if (le32_to_cpu(dp->ldp_flags) & LDF_EMPTY) return NULL; else return dp->ldp_entries; @@ -393,7 +452,7 @@ static inline int lu_dirent_size(struct lu_dirent *ent) { if (le16_to_cpu(ent->lde_reclen) == 0) { return (sizeof(*ent) + - le16_to_cpu(ent->lde_namelen) + 3) & ~3; + le16_to_cpu(ent->lde_namelen) + 7) & ~7; } return le16_to_cpu(ent->lde_reclen); } @@ -422,23 +481,8 @@ static inline void lustre_handle_copy(struct lustre_handle *tgt, tgt->cookie = src->cookie; } -/* we depend on this structure to be 8-byte aligned */ -/* this type is only endian-adjusted in lustre_unpack_msg() */ -struct lustre_msg_v1 { - struct lustre_handle lm_handle; - __u32 lm_magic; - __u32 lm_type; - __u32 lm_version; - __u32 lm_opc; - __u64 lm_last_xid; - __u64 lm_last_committed; - __u64 lm_transno; - __u32 lm_status; - __u32 lm_flags; - __u32 lm_conn_cnt; - __u32 lm_bufcount; - __u32 lm_buflens[0]; -}; +/* flags for lm_flags */ +#define MSGHDR_AT_SUPPORT 0x1 #define lustre_msg lustre_msg_v2 /* we depend on this structure to be 8-byte aligned */ @@ -448,8 +492,8 @@ struct lustre_msg_v2 { __u32 lm_secflvr; __u32 lm_magic; __u32 lm_repsize; - __u32 lm_timeout; - __u32 lm_padding_1; + __u32 lm_cksum; + __u32 lm_flags; __u32 lm_padding_2; __u32 lm_padding_3; __u32 lm_buflens[0]; @@ -469,8 +513,8 @@ struct ptlrpc_body { __u32 pb_flags; __u32 pb_op_flags; __u32 pb_conn_cnt; - __u32 pb_padding_1; - __u32 pb_padding_2; + __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; }; @@ -502,12 +546,16 @@ extern void lustre_swab_ptlrpc_body(struct ptlrpc_body *pb); #define MSG_OP_FLAG_SHIFT 16 /* Flags that apply to all requests are in the bottom 16 bits */ -#define MSG_GEN_FLAG_MASK 0x0000ffff -#define MSG_LAST_REPLAY 1 -#define MSG_RESENT 2 -#define MSG_REPLAY 4 -#define MSG_REQ_REPLAY_DONE 8 -#define MSG_LOCK_REPLAY_DONE 16 +#define MSG_GEN_FLAG_MASK 0x0000ffff +#define MSG_LAST_REPLAY 0x0001 +#define MSG_RESENT 0x0002 +#define MSG_REPLAY 0x0004 +/* #define MSG_AT_SUPPORT 0x0008 + * This was used in early prototypes of adaptive timeouts, and while there + * shouldn't be any users of that code there also isn't a need for using this + * bits. Defer usage until at least 1.10 to avoid potential conflict. */ +#define MSG_REQ_REPLAY_DONE 0x0010 +#define MSG_LOCK_REPLAY_DONE 0x0020 /* * Flags for all connect opcodes (MDS_CONNECT, OST_CONNECT) @@ -572,16 +620,16 @@ extern void lustre_swab_ptlrpc_body(struct ptlrpc_body *pb); OBD_CONNECT_MDS_CAPA | OBD_CONNECT_OSS_CAPA | \ OBD_CONNECT_MDS_MDS | OBD_CONNECT_CANCELSET | \ OBD_CONNECT_FID | \ - LRU_RESIZE_CONNECT_FLAG) + LRU_RESIZE_CONNECT_FLAG | OBD_CONNECT_AT) #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_QUOTA64 | \ OBD_CONNECT_OSS_CAPA | OBD_CONNECT_CANCELSET | \ - OBD_CONNECT_FID | OBD_CONNECT_CKSUM | \ - LRU_RESIZE_CONNECT_FLAG) + OBD_CONNECT_CKSUM | LRU_RESIZE_CONNECT_FLAG | \ + OBD_CONNECT_AT) #define ECHO_CONNECT_SUPPORTED (0) -#define MGS_CONNECT_SUPPORTED (OBD_CONNECT_VERSION | OBD_CONNECT_FID) +#define MGS_CONNECT_SUPPORTED (OBD_CONNECT_VERSION | OBD_CONNECT_AT) #define MAX_QUOTA_COUNT32 (0xffffffffULL) @@ -1149,7 +1197,7 @@ struct mds_body { __u32 eadatasize; __u32 aclsize; __u32 max_mdsize; - __u32 max_cookiesize; /* also fix lustre_swab_mds_body */ + __u32 max_cookiesize; __u32 padding_4; /* also fix lustre_swab_mds_body */ }; @@ -1341,7 +1389,8 @@ enum { MDS_CHECK_SPLIT = 1 << 0, MDS_CROSS_REF = 1 << 1, MDS_VTX_BYPASS = 1 << 2, - MDS_PERM_BYPASS = 1 << 3 + MDS_PERM_BYPASS = 1 << 3, + MDS_SOM = 1 << 4 }; struct mds_rec_join { @@ -1535,7 +1584,7 @@ struct mdt_rec_setxattr { __u32 sx_padding_2; __u32 sx_padding_3; __u64 sx_valid; - __u64 sx_padding_4; + __u64 sx_time; __u64 sx_padding_5; __u64 sx_padding_6; __u64 sx_padding_7;