/* -*- 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
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * 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.
+ */
+
+/** \defgroup lustreidl lustreidl
*
+ * Lustre wire protocol definitions.
*
* We assume all nodes are either little-endian or big-endian, and we
* always send messages in the sender's native format. The receiver
* For variable length types, a second 'lustre_swab_v_xxxtypexxx()' routine
* may be defined that swabs just the variable part, after the caller has
* verified that the message buffer is large enough.
+ *
+ * @{
*/
#ifndef _LUSTRE_IDL_H_
#define _LUSTRE_IDL_H_
-#include <libcfs/kp30.h>
-
-#if defined(__linux__)
-#include <linux/lustre_types.h>
-#elif defined(__APPLE__)
-#include <darwin/lustre_types.h>
-#elif defined(__WINNT__)
-#include <winnt/lustre_types.h>
-#else
-#error Unsupported operating system.
-#endif
+#include <libcfs/libcfs.h>
/* Defn's shared with user-space. */
#include <lustre/lustre_user.h>
+#include <lustre/ll_fiemap.h>
/*
* GENERAL STUFF
(range)->lr_start, \
(range)->lr_end
-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. */
- __u32 f_oid; /* fid number within its sequence. */
- __u32 f_ver; /* holds fid version. */
-};
+/** \defgroup lu_fid lu_fid
+ * @{ */
-/*
+/**
+ * File identifier.
+ *
+ * Fid is a cluster-wide unique identifier of a file or an object
+ * (stripe). Fids are never reused. Fids are transmitted across network (in
+ * the sender byte-ordering), and stored on disk in a packed form (struct
+ * lu_fid_pack) in a big-endian order.
+ */
+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, thus even if one
+ * sequence has one object we will never reach this value.
+ */
+ __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;
+};
+
+/**
* fid constants
*/
enum {
- LUSTRE_ROOT_FID_SEQ = 1ULL, /* XXX: should go into mkfs. */
-
/* initial fid id value */
LUSTRE_FID_INIT_OID = 1UL
};
-/* get object sequence */
+/** returns fid object sequence */
static inline __u64 fid_seq(const struct lu_fid *fid)
{
return fid->f_seq;
}
-/* get object id */
+/** returns fid object id */
static inline __u32 fid_oid(const struct lu_fid *fid)
{
return fid->f_oid;
}
-/* get object version */
+/** returns fid object version */
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]"
LASSERTF(fid_is_igif(dst) || fid_ver(dst) == 0, DFID"\n", PFID(dst));
}
-#ifdef __KERNEL__
-/*
+/**
* Storage representation for fids.
*
* Variable size, first byte contains the length of the whole record.
struct lu_fid *befider);
int fid_unpack(const struct lu_fid_pack *pack, struct lu_fid *fid);
-/* __KERNEL__ */
-#endif
-
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));
}
return memcmp(f0, f1, sizeof *f0) == 0;
}
-/*
+#define __diff_normalize(val0, val1) \
+({ \
+ typeof(val0) __val0 = (val0); \
+ typeof(val1) __val1 = (val1); \
+ \
+ (__val0 == __val1 ? 0 : __val0 > __val1 ? +1 : -1); \
+})
+
+static inline int lu_fid_cmp(const struct lu_fid *f0,
+ const struct lu_fid *f1)
+{
+ return
+ __diff_normalize(fid_seq(f0), fid_seq(f1)) ?:
+ __diff_normalize(fid_oid(f0), fid_oid(f1)) ?:
+ __diff_normalize(fid_ver(f0), fid_ver(f1));
+}
+
+/** @} lu_fid */
+
+/** \defgroup lu_dir lu_dir
+ * @{ */
+/**
* Layout of readdir pages, as transmitted on wire.
*/
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];
};
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;
{
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);
}
#define DIR_END_OFF 0xfffffffffffffffeULL
+/** @} lu_dir */
+
struct lustre_handle {
__u64 cookie;
};
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 */
__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];
};
/* without gss, ptlrpc_body is put at the first buffer. */
+#define PTLRPC_NUM_VERSIONS 4
struct ptlrpc_body {
struct lustre_handle pb_handle;
__u32 pb_type;
__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;
+ /* VBR: pre-versions */
+ __u64 pb_pre_versions[PTLRPC_NUM_VERSIONS];
+ /* padding for future needs */
+ __u64 pb_padding[4];
};
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_DELAY_REPLAY 0x0010
+#define MSG_VERSION_REPLAY 0x0020
+#define MSG_REQ_REPLAY_DONE 0x0040
+#define MSG_LOCK_REPLAY_DONE 0x0080
/*
* Flags for all connect opcodes (MDS_CONNECT, OST_CONNECT)
#define OBD_CONNECT_LRU_RESIZE 0x02000000ULL /* Lru resize feature. */
#define OBD_CONNECT_MDS_MDS 0x04000000ULL /* MDS-MDS connection*/
#define OBD_CONNECT_REAL 0x08000000ULL /* real connection */
-#define OBD_CONNECT_CHANGE_QS 0x10000000ULL /*shrink/enlarge qunit size
- *b=10600 */
+#define OBD_CONNECT_CHANGE_QS 0x10000000ULL /* shrink/enlarge qunit b=10600 */
#define OBD_CONNECT_CKSUM 0x20000000ULL /* support several cksum algos */
#define OBD_CONNECT_FID 0x40000000ULL /* FID is supported by server */
+#define OBD_CONNECT_LOV_V3 0x100000000ULL /* client supports lov v3 ea */
/* also update obd_connect_names[] for lprocfs_rd_connect_flags()
* and lustre/utils/wirecheck.c */
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 | \
+ OBD_CONNECT_LOV_V3)
#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)
} ost_cmd_t;
#define OST_FIRST_OPC OST_REPLY
-typedef uint64_t obd_id;
-typedef uint64_t obd_gr;
-typedef uint64_t obd_time;
-typedef uint64_t obd_size;
-typedef uint64_t obd_off;
-typedef uint64_t obd_blocks;
-typedef uint32_t obd_blksize;
-typedef uint32_t obd_mode;
-typedef uint32_t obd_uid;
-typedef uint32_t obd_gid;
-typedef uint32_t obd_flag;
-typedef uint64_t obd_valid;
-typedef uint32_t obd_count;
+typedef __u64 obd_id;
+typedef __u64 obd_gr;
+typedef __u64 obd_time;
+typedef __u64 obd_size;
+typedef __u64 obd_off;
+typedef __u64 obd_blocks;
+typedef __u32 obd_blksize;
+typedef __u32 obd_mode;
+typedef __u32 obd_uid;
+typedef __u32 obd_gid;
+typedef __u32 obd_flag;
+typedef __u64 obd_valid;
+typedef __u32 obd_count;
#define OBD_FL_INLINEDATA (0x00000001)
#define OBD_FL_OBDMDEXISTS (0x00000002)
#define OBD_FL_NO_USRQUOTA (0x00000100) /* the object's owner is over quota */
#define OBD_FL_NO_GRPQUOTA (0x00000200) /* the object's group is over quota */
-/*
+/**
* Set this to delegate DLM locking during obd_punch() to the OSTs. Only OSTs
* that declared OBD_CONNECT_TRUNCLOCK in their connect flags support this
* functionality.
#define OBD_FL_CKSUM_ADLER (0x00002000)
#define OBD_FL_CKSUM_ALL (OBD_FL_CKSUM_CRC32 | OBD_FL_CKSUM_ADLER)
-/*
- * This should not be smaller than sizeof(struct lustre_handle) + sizeof(struct
- * llog_cookie) + sizeof(struct ll_fid). Nevertheless struct ll_fid is not
- * longer stored in o_inline, we keep this just for case.
- */
-#define OBD_INLINESZ 80
-
-/* Note: 64-bit types are 64-bit aligned in structure */
-struct obdo {
- obd_valid o_valid; /* hot fields in this obdo */
- obd_id o_id;
- obd_gr o_gr;
- obd_id o_fid;
- obd_size o_size; /* o_size-o_blocks == ost_lvb */
- obd_time o_mtime;
- obd_time o_atime;
- obd_time o_ctime;
- obd_blocks o_blocks; /* brw: cli sent cached bytes */
- obd_size o_grant;
-
- /* 32-bit fields start here: keep an even number of them via padding */
- obd_blksize o_blksize; /* optimal IO blocksize */
- obd_mode o_mode; /* brw: cli sent cache remain */
- obd_uid o_uid;
- obd_gid o_gid;
- obd_flag o_flags;
- obd_count o_nlink; /* brw: checksum */
- obd_count o_generation;
- obd_count o_misc; /* brw: o_dropped */
- __u32 o_easize; /* epoch in ost writes */
- __u32 o_mds;
- __u32 o_stripe_idx; /* holds stripe idx */
- __u32 o_padding_1;
- char o_inline[OBD_INLINESZ];
- /* lustre_handle + llog_cookie */
-};
-
-#define o_dirty o_blocks
-#define o_undirty o_mode
-#define o_dropped o_misc
-#define o_cksum o_nlink
-
-extern void lustre_swab_obdo (struct obdo *o);
-
-
#define LOV_MAGIC_V1 0x0BD10BD0
#define LOV_MAGIC LOV_MAGIC_V1
#define LOV_MAGIC_JOIN 0x0BD20BD0
+#define LOV_MAGIC_V3 0x0BD30BD0
#define LOV_PATTERN_RAID0 0x001 /* stripes are used round-robin */
#define LOV_PATTERN_RAID1 0x002 /* stripes are mirrors of each other */
struct lov_ost_data_v1 lmm_objects[0]; /* per-stripe data */
};
-extern void lustre_swab_lov_mds_md(struct lov_mds_md *llm);
+/* extern void lustre_swab_lov_mds_md(struct lov_mds_md *llm); */
#define MAX_MD_SIZE (sizeof(struct lov_mds_md) + 4 * sizeof(struct lov_ost_data))
#define MIN_MD_SIZE (sizeof(struct lov_mds_md) + 1 * sizeof(struct lov_ost_data))
#define XATTR_NAME_ACL_DEFAULT "system.posix_acl_default"
#define XATTR_NAME_LOV "trusted.lov"
+struct lov_mds_md_v3 { /* LOV EA mds/wire data (little-endian) */
+ __u32 lmm_magic; /* magic number = LOV_MAGIC_V3 */
+ __u32 lmm_pattern; /* LOV_PATTERN_RAID0, LOV_PATTERN_RAID1 */
+ __u64 lmm_object_id; /* LOV object ID */
+ __u64 lmm_object_gr; /* LOV object group */
+ __u32 lmm_stripe_size; /* size of stripe in bytes */
+ __u32 lmm_stripe_count; /* num stripes in use for this object */
+ char lmm_pool_name[LOV_MAXPOOLNAME]; /* must be 32bit aligned */
+ struct lov_ost_data_v1 lmm_objects[0]; /* per-stripe data */
+};
+
+
#define OBD_MD_FLID (0x00000001ULL) /* object ID */
#define OBD_MD_FLATIME (0x00000002ULL) /* access time */
#define OBD_MD_FLMTIME (0x00000004ULL) /* data modification time */
#define OBD_MD_FLFLAGS (0x00000800ULL) /* flags word */
#define OBD_MD_FLNLINK (0x00002000ULL) /* link count */
#define OBD_MD_FLGENER (0x00004000ULL) /* generation number */
-#define OBD_MD_FLINLINE (0x00008000ULL) /* inline data */
+/*#define OBD_MD_FLINLINE (0x00008000ULL) inline data. used until 1.6.5 */
#define OBD_MD_FLRDEV (0x00010000ULL) /* device number */
#define OBD_MD_FLEASIZE (0x00020000ULL) /* extended attribute data */
#define OBD_MD_LINKNAME (0x00040000ULL) /* symbolic link target */
-#define OBD_MD_FLHANDLE (0x00080000ULL) /* file handle */
+#define OBD_MD_FLHANDLE (0x00080000ULL) /* file/lock handle */
#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 */
OBD_MD_FLGID | OBD_MD_FLFLAGS | OBD_MD_FLNLINK | \
OBD_MD_FLGENER | OBD_MD_FLRDEV | OBD_MD_FLGROUP)
-static inline struct lustre_handle *obdo_handle(struct obdo *oa)
-{
- return (struct lustre_handle *)oa->o_inline;
-}
-
-static inline struct llog_cookie *obdo_logcookie(struct obdo *oa)
-{
- return (struct llog_cookie *)(oa->o_inline +
- sizeof(struct lustre_handle));
-}
/* don't forget obdo_fid which is way down at the bottom so it can
* come after the definition of llog_cookie */
#define OBD_STATFS_NODELAY 0x0001 /* requests should be send without delay
* and resends for avoid deadlocks */
+#define OBD_STATFS_FROM_CACHE 0x0002 /* the statfs callback should not update
+ * obd_osfs_age */
+
/* ost_body.data values for OST_BRW */
#define OBD_BRW_READ 0x01
extern void lustre_swab_niobuf_remote (struct niobuf_remote *nbr);
-/* request structure for OST's */
-
-struct ost_body {
- struct obdo oa;
-};
-
-extern void lustre_swab_ost_body (struct ost_body *b);
-extern void lustre_swab_ost_last_id(obd_id *id);
-
/* lock value block communicated between the filter and llite */
/* OST_LVB_ERR_INIT is needed because the return code in rc is
__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 */
};
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 {
__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;
LCK_CR = 16,
LCK_NL = 32,
LCK_GROUP = 64,
+ LCK_COS = 128,
LCK_MAXMODE
} ldlm_mode_t;
-#define LCK_MODE_NUM 7
+#define LCK_MODE_NUM 8
typedef enum {
LDLM_PLAIN = 10,
__u32 cm_flags;
__u32 cm_vers; /* lustre release version number */
__u32 padding; /* 64 bit align */
- time_t cm_createtime; /*when this record was first created */
- time_t cm_canceltime; /*when this record is no longer valid*/
+ __u64 cm_createtime; /*when this record was first created */
+ __u64 cm_canceltime; /*when this record is no longer valid*/
char cm_tgtname[MTI_NAME_MAXLEN];
char cm_comment[MTI_NAME_MAXLEN];
};
+extern void lustre_swab_cfg_marker(struct cfg_marker *marker,
+ int swab, int size);
+
/*
* Opcodes for multiple servers.
*/
/* catalog of log objects */
-/* Identifier for a single log object */
+/** Identifier for a single log object */
struct llog_logid {
__u64 lgl_oid;
__u64 lgl_ogr;
__u32 lgl_ogen;
} __attribute__((packed));
-/* Records written to the CATALOGS list */
+/** Records written to the CATALOGS list */
#define CATLIST "CATALOGS"
struct llog_catid {
struct llog_logid lci_logid;
__u32 lci_padding3;
} __attribute__((packed));
-/*join file lov mds md*/
+/** join file lov mds md*/
struct lov_mds_md_join {
struct lov_mds_md lmmj_md;
/*join private info*/
__swab32(LLOG_OP_MAGIC) || \
(((r)->lrh_type == 0) && ((r)->lrh_len > LLOG_CHUNK_SIZE)))
-/* Log record header - stored in little endian order.
+/** Log record header - stored in little endian order.
* Each record must start with this struct, end with a llog_rec_tail,
* and be a multiple of 256 bits in size.
*/
struct llog_rec_tail lid_tail;
} __attribute__((packed));
-/* MDS extent description
+/** MDS extent description
* It is for joined file extent info, each extent info for joined file
* just like (start, end, lmm).
*/
__u64 med_len; /* extent length */
struct lov_mds_md med_lmm; /* extent's lmm */
};
-/*Joined file array extent log record*/
+
+/** Joined file array extent log record*/
struct llog_array_rec {
struct llog_rec_hdr lmr_hdr;
struct mds_extent_desc lmr_med;
llh->llh_bitmap_offset - \
sizeof(llh->llh_tail)) * 8)
-/* log cookies are used to reference a specific log file and a record therein */
+/** log cookies are used to reference a specific log file and a record therein */
struct llog_cookie {
struct llog_logid lgc_lgl;
__u32 lgc_subsys;
__u32 lgc_padding;
} __attribute__((packed));
-/* llog protocol */
+/** llog protocol */
enum llogd_rpc_ops {
LLOG_ORIGIN_HANDLE_CREATE = 501,
LLOG_ORIGIN_HANDLE_NEXT_BLOCK = 502,
struct lov_user_ost_data_join lmm_objects[0]; /* per-stripe data */
} __attribute__((packed));
-extern void lustre_swab_lov_user_md(struct lov_user_md *lum);
-extern void lustre_swab_lov_user_md_objects(struct lov_user_md *lum);
+/* Note: 64-bit types are 64-bit aligned in structure */
+struct obdo {
+ obd_valid o_valid; /* hot fields in this obdo */
+ obd_id o_id;
+ obd_gr o_gr;
+ obd_id o_fid;
+ obd_size o_size; /* o_size-o_blocks == ost_lvb */
+ obd_time o_mtime;
+ obd_time o_atime;
+ obd_time o_ctime;
+ obd_blocks o_blocks; /* brw: cli sent cached bytes */
+ obd_size o_grant;
+
+ /* 32-bit fields start here: keep an even number of them via padding */
+ obd_blksize o_blksize; /* optimal IO blocksize */
+ obd_mode o_mode; /* brw: cli sent cache remain */
+ obd_uid o_uid;
+ obd_gid o_gid;
+ obd_flag o_flags;
+ obd_count o_nlink; /* brw: checksum */
+ obd_count o_generation;
+ obd_count o_misc; /* brw: o_dropped */
+ __u32 o_easize; /* epoch in ost writes */
+ __u32 o_mds;
+ __u32 o_stripe_idx; /* holds stripe idx */
+ __u32 o_padding_1;
+ struct lustre_handle o_handle; /* brw: lock handle to prolong locks */
+ struct llog_cookie o_lcookie; /* destroy: unlink cookie from MDS */
+
+ __u64 o_padding_2;
+ __u64 o_padding_3;
+ __u64 o_padding_4;
+ __u64 o_padding_5;
+ __u64 o_padding_6;
+};
+
+#define o_dirty o_blocks
+#define o_undirty o_mode
+#define o_dropped o_misc
+#define o_cksum o_nlink
+
+extern void lustre_swab_obdo (struct obdo *o);
+
+/* request structure for OST's */
+
+struct ost_body {
+ struct obdo oa;
+};
+
+/* 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;
+};
+
+extern void lustre_swab_ost_body (struct ost_body *b);
+extern void lustre_swab_ost_last_id(obd_id *id);
+extern void lustre_swab_fiemap(struct ll_user_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);
+extern void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
+ int stripe_count);
extern void lustre_swab_lov_user_md_join(struct lov_user_md_join *lumj);
/* llog_swab.c */
#define JOIN_FILE_ALIGN 4096
-/* security opcodes */
+/** security opcodes */
typedef enum {
SEC_CTX_INIT = 801,
SEC_CTX_INIT_CONT = 802,
extern void lustre_swab_lustre_capa(struct lustre_capa *c);
-/* lustre_capa.lc_opc */
+/** lustre_capa::lc_opc */
enum {
- CAPA_OPC_BODY_WRITE = 1<<0, /* write object data */
- CAPA_OPC_BODY_READ = 1<<1, /* read object data */
- CAPA_OPC_INDEX_LOOKUP = 1<<2, /* lookup object fid */
- CAPA_OPC_INDEX_INSERT = 1<<3, /* insert object fid */
- CAPA_OPC_INDEX_DELETE = 1<<4, /* delete object fid */
- CAPA_OPC_OSS_WRITE = 1<<5, /* write oss object data */
- CAPA_OPC_OSS_READ = 1<<6, /* read oss object data */
- CAPA_OPC_OSS_TRUNC = 1<<7, /* truncate oss object */
- CAPA_OPC_META_WRITE = 1<<8, /* write object meta data */
- CAPA_OPC_META_READ = 1<<9, /* read object meta data */
+ CAPA_OPC_BODY_WRITE = 1<<0, /**< write object data */
+ CAPA_OPC_BODY_READ = 1<<1, /**< read object data */
+ CAPA_OPC_INDEX_LOOKUP = 1<<2, /**< lookup object fid */
+ CAPA_OPC_INDEX_INSERT = 1<<3, /**< insert object fid */
+ CAPA_OPC_INDEX_DELETE = 1<<4, /**< delete object fid */
+ CAPA_OPC_OSS_WRITE = 1<<5, /**< write oss object data */
+ CAPA_OPC_OSS_READ = 1<<6, /**< read oss object data */
+ CAPA_OPC_OSS_TRUNC = 1<<7, /**< truncate oss object */
+ CAPA_OPC_META_WRITE = 1<<8, /**< write object meta data */
+ CAPA_OPC_META_READ = 1<<9, /**< read object meta data */
};
return (c->lc_opc & CAPA_OPC_INDEX_LOOKUP) == 0;
}
-/* lustre_capa.lc_hmac_alg */
+/* lustre_capa::lc_hmac_alg */
enum {
- CAPA_HMAC_ALG_SHA1 = 1, /* sha1 algorithm */
+ CAPA_HMAC_ALG_SHA1 = 1, /**< sha1 algorithm */
CAPA_HMAC_ALG_MAX,
};
#define CAPA_HMAC_ALG_MASK 0xff000000
struct lustre_capa_key {
- __u64 lk_mdsid; /* mds# */
- __u32 lk_keyid; /* key# */
+ __u64 lk_mdsid; /**< mds# */
+ __u32 lk_keyid; /**< key# */
__u32 lk_padding;
- __u8 lk_key[CAPA_HMAC_KEY_MAX_LEN]; /* key */
+ __u8 lk_key[CAPA_HMAC_KEY_MAX_LEN]; /**< key */
} __attribute__((packed));
extern void lustre_swab_lustre_capa_key(struct lustre_capa_key *k);
/* quota check function */
-#define QUOTA_RET_OK 0 /* return successfully */
-#define QUOTA_RET_NOQUOTA 1 /* not support quota */
-#define QUOTA_RET_NOLIMIT 2 /* quota limit isn't set */
-#define QUOTA_RET_ACQUOTA 3 /* need to acquire extra quota */
+#define QUOTA_RET_OK 0 /**< return successfully */
+#define QUOTA_RET_NOQUOTA 1 /**< not support quota */
+#define QUOTA_RET_NOLIMIT 2 /**< quota limit isn't set */
+#define QUOTA_RET_ACQUOTA 3 /**< need to acquire extra quota */
#endif
+
+/** @} lustreidl */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff