* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#ifndef _LUSTRE_IDL_H_
#define _LUSTRE_IDL_H_
-#if !defined(LPU64)
#include <libcfs/libcfs.h> /* for LPUX64, etc */
-#endif
-
-/* Defn's shared with user-space. */
-#include <lustre/lustre_user.h>
-
+#include <lnet/types.h>
+#include <lustre/lustre_user.h> /* Defn's shared with user-space. */
#include <lustre/lustre_errno.h>
#include <lustre_ver.h>
#define LUSTRE_LOG_VERSION 0x00050000
#define LUSTRE_MGS_VERSION 0x00060000
-typedef __u32 mdsno_t;
-typedef __u64 seqno_t;
+/* TODO: All obd_* typedefs will be removed in last patch in series */
typedef __u64 obd_id;
typedef __u64 obd_seq;
typedef __s64 obd_time;
memset(fid, 0, sizeof(*fid));
}
-static inline obd_id fid_ver_oid(const struct lu_fid *fid)
+static inline __u64 fid_ver_oid(const struct lu_fid *fid)
{
return ((__u64)fid_ver(fid) << 32 | fid_oid(fid));
}
FID_OID_DOT_LUSTRE_LPF = 3UL,
};
-static inline bool fid_seq_is_mdt0(obd_seq seq)
+static inline bool fid_seq_is_mdt0(__u64 seq)
{
return seq == FID_SEQ_OST_MDT0;
}
return seq == FID_SEQ_OST_MDT0 || seq >= FID_SEQ_NORMAL;
};
-static inline bool fid_seq_is_echo(obd_seq seq)
+static inline bool fid_seq_is_echo(__u64 seq)
{
return seq == FID_SEQ_ECHO;
}
return fid_seq_is_echo(fid_seq(fid));
}
-static inline bool fid_seq_is_llog(obd_seq seq)
+static inline bool fid_seq_is_llog(__u64 seq)
{
return seq == FID_SEQ_LLOG;
}
}
/* convert an OST objid into an IDIF FID SEQ number */
-static inline obd_seq fid_idif_seq(obd_id id, __u32 ost_idx)
+static inline __u64 fid_idif_seq(__u64 id, __u32 ost_idx)
{
return FID_SEQ_IDIF | (ost_idx << 16) | ((id >> 32) & 0xffff);
}
/* convert a packed IDIF FID into an OST objid */
-static inline obd_id fid_idif_id(obd_seq seq, __u32 oid, __u32 ver)
+static inline __u64 fid_idif_id(__u64 seq, __u32 oid, __u32 ver)
{
return ((__u64)ver << 48) | ((seq & 0xffff) << 32) | oid;
}
-static inline __u32 idif_ost_idx(obd_seq seq)
+static inline __u32 idif_ost_idx(__u64 seq)
{
return (seq >> 16) & 0xffff;
}
}
/* extract OST sequence (group) from a wire ost_id (id/seq) pair */
-static inline obd_seq ostid_seq(const struct ost_id *ostid)
+static inline __u64 ostid_seq(const struct ost_id *ostid)
{
if (fid_seq_is_mdt0(ostid->oi.oi_seq))
return FID_SEQ_OST_MDT0;
}
/* extract OST objid from a wire ost_id (id/seq) pair */
-static inline obd_id ostid_id(const struct ost_id *ostid)
+static inline __u64 ostid_id(const struct ost_id *ostid)
{
if (fid_seq_is_mdt0(ostid->oi.oi_seq))
return ostid->oi.oi_id & IDIF_OID_MASK;
static inline int ostid_to_fid(struct lu_fid *fid, const struct ost_id *ostid,
__u32 ost_idx)
{
- obd_seq seq = ostid_seq(ostid);
+ __u64 seq = ostid_seq(ostid);
if (ost_idx > 0xffff) {
CERROR("bad ost_idx, "DOSTID" ost_idx:%u\n", POSTID(ostid),
}
if (fid_seq_is_mdt0(seq)) {
- obd_id oid = ostid_id(ostid);
+ __u64 oid = ostid_id(ostid);
/* This is a "legacy" (old 1.x/2.early) OST object in "group 0"
* that we map into the IDIF namespace. It allows up to 2^48
* been in production for years. This can handle create rates
* of 1M objects/s/OST for 9 years, or combinations thereof. */
if (oid >= IDIF_MAX_OID) {
- CERROR("bad MDT0 id, "DOSTID" ost_idx:%u\n",
- POSTID(ostid), ost_idx);
- return -EBADF;
+ CERROR("bad MDT0 id(1), "DOSTID" ost_idx:%u\n",
+ POSTID(ostid), ost_idx);
+ return -EBADF;
}
fid->f_seq = fid_idif_seq(oid, ost_idx);
/* truncate to 32 bits by assignment */
* OST objects into the FID namespace. In both cases, we just
* pass the FID through, no conversion needed. */
if (ostid->oi_fid.f_ver != 0) {
- CERROR("bad MDT0 id, "DOSTID" ost_idx:%u\n",
+ CERROR("bad MDT0 id(2), "DOSTID" ost_idx:%u\n",
POSTID(ostid), ost_idx);
return -EBADF;
}
static inline void ostid_cpu_to_le(const struct ost_id *src_oi,
struct ost_id *dst_oi)
{
- if (fid_seq_is_mdt0(ostid_seq(src_oi))) {
+ if (fid_seq_is_mdt0(src_oi->oi.oi_seq)) {
dst_oi->oi.oi_id = cpu_to_le64(src_oi->oi.oi_id);
dst_oi->oi.oi_seq = cpu_to_le64(src_oi->oi.oi_seq);
} else {
static inline void ostid_le_to_cpu(const struct ost_id *src_oi,
struct ost_id *dst_oi)
{
- if (fid_seq_is_mdt0(ostid_seq(src_oi))) {
+ if (fid_seq_is_mdt0(src_oi->oi.oi_seq)) {
dst_oi->oi.oi_id = le64_to_cpu(src_oi->oi.oi_id);
dst_oi->oi.oi_seq = le64_to_cpu(src_oi->oi.oi_seq);
} else {
return next;
}
-static inline int lu_dirent_calc_size(int namelen, __u16 attr)
+static inline size_t lu_dirent_calc_size(size_t namelen, __u16 attr)
{
- int size;
+ size_t size;
- if (attr & LUDA_TYPE) {
- const unsigned align = sizeof(struct luda_type) - 1;
+ if (attr & LUDA_TYPE) {
+ const size_t align = sizeof(struct luda_type) - 1;
size = (sizeof(struct lu_dirent) + namelen + align) & ~align;
size += sizeof(struct luda_type);
} else
return (size + 7) & ~7;
}
-static inline int lu_dirent_size(const struct lu_dirent *ent)
-{
- if (le16_to_cpu(ent->lde_reclen) == 0) {
- return lu_dirent_calc_size(le16_to_cpu(ent->lde_namelen),
- le32_to_cpu(ent->lde_attrs));
- }
- return le16_to_cpu(ent->lde_reclen);
-}
-
#define MDS_DIR_END_OFF 0xfffffffffffffffeULL
/**
/* without gss, ptlrpc_body is put at the first buffer. */
#define PTLRPC_NUM_VERSIONS 4
-#define JOBSTATS_JOBID_SIZE 32 /* 32 bytes string */
struct ptlrpc_body_v3 {
struct lustre_handle pb_handle;
__u32 pb_type;
__u64 pb_pre_versions[PTLRPC_NUM_VERSIONS];
/* padding for future needs */
__u64 pb_padding[4];
- char pb_jobid[JOBSTATS_JOBID_SIZE];
+ char pb_jobid[LUSTRE_JOBID_SIZE];
};
#define ptlrpc_body ptlrpc_body_v3
#define LOV_MAGIC_JOIN_V1 (0x0BD20000 | LOV_MAGIC_MAGIC)
#define LOV_MAGIC_V3 (0x0BD30000 | LOV_MAGIC_MAGIC)
#define LOV_MAGIC_MIGRATE (0x0BD40000 | LOV_MAGIC_MAGIC)
+/* reserved for specifying OSTs */
+#define LOV_MAGIC_SPECIFIC (0x0BD50000 | LOV_MAGIC_MAGIC)
#define LOV_MAGIC LOV_MAGIC_V1
/*
#define XATTR_USER_PREFIX "user."
#define XATTR_TRUSTED_PREFIX "trusted."
#define XATTR_SECURITY_PREFIX "security."
-#define XATTR_LUSTRE_PREFIX "lustre."
#define XATTR_NAME_LOV "trusted.lov"
#define XATTR_NAME_LMA "trusted.lma"
#define XATTR_NAME_VERSION "trusted.version"
#define XATTR_NAME_SOM "trusted.som"
#define XATTR_NAME_HSM "trusted.hsm"
-#define XATTR_NAME_LFSCK_NAMESPACE "trusted.lfsck_namespace"
+#define XATTR_NAME_LFSCK_BITMAP "trusted.lfsck_bitmap"
+
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 8, 53, 0)
+# define XATTR_NAME_LFSCK_NAMESPACE_OLD "trusted.lfsck_namespace"
+#endif
+
+#define XATTR_NAME_LFSCK_NAMESPACE "trusted.lfsck_ns"
#define XATTR_NAME_MAX_LEN 32 /* increase this, if there is longer name. */
struct lov_mds_md_v3 { /* LOV EA mds/wire data (little-endian) */
/* 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 */
- char lmm_pool_name[LOV_MAXPOOLNAME]; /* must be 32bit aligned */
+ char lmm_pool_name[LOV_MAXPOOLNAME + 1]; /* must be 32bit aligned */
struct lov_ost_data_v1 lmm_objects[0]; /* per-stripe data */
};
/* multiple of 8 bytes => can array */
struct niobuf_remote {
- __u64 offset;
- __u32 len;
- __u32 flags;
+ __u64 rnb_offset;
+ __u32 rnb_len;
+ __u32 rnb_flags;
};
-extern void lustre_swab_niobuf_remote (struct niobuf_remote *nbr);
+void lustre_swab_niobuf_remote(struct niobuf_remote *nbr);
/* lock value block communicated between the filter and llite */
#define OST_LVB_GET_ERR(blocks) (int)(blocks - OST_LVB_ERR_INIT)
struct ost_lvb_v1 {
- __u64 lvb_size;
- obd_time lvb_mtime;
- obd_time lvb_atime;
- obd_time lvb_ctime;
- __u64 lvb_blocks;
+ __u64 lvb_size;
+ __s64 lvb_mtime;
+ __s64 lvb_atime;
+ __s64 lvb_ctime;
+ __u64 lvb_blocks;
};
extern void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb);
struct ost_lvb {
- __u64 lvb_size;
- obd_time lvb_mtime;
- obd_time lvb_atime;
- obd_time lvb_ctime;
- __u64 lvb_blocks;
- __u32 lvb_mtime_ns;
- __u32 lvb_atime_ns;
- __u32 lvb_ctime_ns;
- __u32 lvb_padding;
+ __u64 lvb_size;
+ __s64 lvb_mtime;
+ __s64 lvb_atime;
+ __s64 lvb_ctime;
+ __u64 lvb_blocks;
+ __u32 lvb_mtime_ns;
+ __u32 lvb_atime_ns;
+ __u32 lvb_ctime_ns;
+ __u32 lvb_padding;
};
extern void lustre_swab_ost_lvb(struct ost_lvb *lvb);
#define DISP_OPEN_LOCK 0x02000000
#define DISP_OPEN_LEASE 0x04000000
#define DISP_OPEN_STRIPE 0x08000000
+#define DISP_OPEN_DENY 0x10000000
/* INODE LOCK PARTS */
#define MDS_INODELOCK_LOOKUP 0x000001 /* For namespace, dentry etc, and also
struct lustre_handle mbo_handle;
__u64 mbo_valid;
__u64 mbo_size; /* Offset, in the case of MDS_READPAGE */
- obd_time mbo_mtime;
- obd_time mbo_atime;
- obd_time mbo_ctime;
+ __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
__u32 sa_gid;
__u64 sa_size;
__u64 sa_blocks;
- obd_time sa_mtime;
- obd_time sa_atime;
- obd_time sa_ctime;
+ __s64 sa_mtime;
+ __s64 sa_atime;
+ __s64 sa_ctime;
__u32 sa_attr_flags;
__u32 sa_mode;
__u32 sa_bias; /* some operation flags */
struct lu_fid cr_fid1;
struct lu_fid cr_fid2;
struct lustre_handle cr_old_handle; /* handle in case of open replay */
- obd_time cr_time;
+ __s64 cr_time;
__u64 cr_rdev;
__u64 cr_ioepoch;
__u64 cr_padding_1; /* rr_blocks */
__u32 lk_suppgid2_h;
struct lu_fid lk_fid1;
struct lu_fid lk_fid2;
- obd_time lk_time;
+ __s64 lk_time;
__u64 lk_padding_1; /* rr_atime */
__u64 lk_padding_2; /* rr_ctime */
__u64 lk_padding_3; /* rr_size */
__u32 ul_suppgid2_h;
struct lu_fid ul_fid1;
struct lu_fid ul_fid2;
- obd_time ul_time;
+ __s64 ul_time;
__u64 ul_padding_2; /* rr_atime */
__u64 ul_padding_3; /* rr_ctime */
__u64 ul_padding_4; /* rr_size */
__u32 rn_suppgid2_h;
struct lu_fid rn_fid1;
struct lu_fid rn_fid2;
- obd_time rn_time;
+ __s64 rn_time;
__u64 rn_padding_1; /* rr_atime */
__u64 rn_padding_2; /* rr_ctime */
__u64 rn_padding_3; /* rr_size */
__u32 sx_padding_2;
__u32 sx_padding_3;
__u64 sx_valid;
- obd_time sx_time;
+ __s64 sx_time;
__u64 sx_padding_5; /* rr_ctime */
__u64 sx_padding_6; /* rr_size */
__u64 sx_padding_7; /* rr_blocks */
__u32 rr_suppgid2_h;
struct lu_fid rr_fid1;
struct lu_fid rr_fid2;
- obd_time rr_mtime;
- obd_time rr_atime;
- obd_time rr_ctime;
+ __s64 rr_mtime;
+ __s64 rr_atime;
+ __s64 rr_ctime;
__u64 rr_size;
__u64 rr_blocks;
__u32 rr_bias;
__u32 lmv_padding1;
__u64 lmv_padding2;
__u64 lmv_padding3;
- char lmv_pool_name[LOV_MAXPOOLNAME]; /* pool name */
+ char lmv_pool_name[LOV_MAXPOOLNAME + 1]; /* pool name */
struct lu_fid lmv_stripe_fids[0]; /* FIDs for each stripe */
};
#define LMV_HASH_FLAG_MIGRATION 0x80000000
#define LMV_HASH_FLAG_DEAD 0x40000000
+#define LMV_HASH_FLAG_BAD_TYPE 0x20000000
+
+/* The striped directory has ever lost its master LMV EA, then LFSCK
+ * re-generated it. This flag is used to indicate such case. It is an
+ * on-disk flag. */
+#define LMV_HASH_FLAG_LOST_LMV 0x10000000
/**
* The FNV-1a hash algorithm is as follows:
#define CM_START_SKIP (CM_START | CM_SKIP)
struct cfg_marker {
- __u32 cm_step; /* aka config version */
- __u32 cm_flags;
- __u32 cm_vers; /* lustre release version number */
- __u32 cm_padding; /* 64 bit align */
- obd_time cm_createtime; /*when this record was first created */
- obd_time cm_canceltime; /*when this record is no longer valid*/
- char cm_tgtname[MTI_NAME_MAXLEN];
- char cm_comment[MTI_NAME_MAXLEN];
+ __u32 cm_step; /* aka config version */
+ __u32 cm_flags;
+ __u32 cm_vers; /* lustre release version number */
+ __u32 cm_padding; /* 64 bit align */
+ __s64 cm_createtime; /*when this record was first created */
+ __s64 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,
struct llog_unlink_rec {
struct llog_rec_hdr lur_hdr;
- obd_id lur_oid;
- obd_count lur_oseq;
- obd_count lur_count;
+ __u64 lur_oid;
+ __u32 lur_oseq;
+ __u32 lur_count;
struct llog_rec_tail lur_tail;
} __attribute__((packed));
struct llog_unlink64_rec {
struct llog_rec_hdr lur_hdr;
struct lu_fid lur_fid;
- obd_count lur_count; /* to destroy the lost precreated */
+ __u32 lur_count; /* to destroy the lost precreated */
__u32 lur_padding1;
__u64 lur_padding2;
__u64 lur_padding3;
/** changelog record */
struct llog_changelog_rec {
- struct llog_rec_hdr cr_hdr;
- struct changelog_rec cr;
- struct llog_rec_tail cr_tail; /**< for_sizezof_only */
-} __attribute__((packed));
-
-struct llog_changelog_ext_rec {
- struct llog_rec_hdr cr_hdr;
- struct changelog_ext_rec cr;
- struct llog_rec_tail cr_tail; /**< for_sizezof_only */
+ struct llog_rec_hdr cr_hdr;
+ struct changelog_rec cr; /**< Variable length field */
+ struct llog_rec_tail cr_do_not_use; /**< for_sizeof_only */
} __attribute__((packed));
#define CHANGELOG_USER_PREFIX "cl"
LLOG_F_ZAP_WHEN_EMPTY = 0x1,
LLOG_F_IS_CAT = 0x2,
LLOG_F_IS_PLAIN = 0x4,
+ LLOG_F_EXT_JOBID = 0x8,
+
+ LLOG_F_EXT_MASK = LLOG_F_EXT_JOBID,
};
struct llog_log_hdr {
- struct llog_rec_hdr llh_hdr;
- obd_time llh_timestamp;
+ struct llog_rec_hdr llh_hdr;
+ __s64 llh_timestamp;
__u32 llh_count;
__u32 llh_bitmap_offset;
__u32 llh_size;
/* Note: 64-bit types are 64-bit aligned in structure */
struct obdo {
- obd_valid o_valid; /* hot fields in this obdo */
- struct ost_id o_oi;
- obd_id o_parent_seq;
- 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_parent_oid;
- obd_count 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 */
+ __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
+ __u64 o_data_version; /* getattr: sum of iversion for
* each stripe.
* brw: grant space consumed on
* the client for the write */
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_padding_1;
+ union {
+ __u32 lr_flags2;
+ __u32 lr_layout_version;
+ };
struct lu_fid lr_fid;
struct lu_fid lr_fid2;
- struct lu_fid lr_fid3;
- __u64 lr_padding_2;
+ union {
+ struct lu_fid lr_fid3;
+ char lr_pool_name[LOV_MAXPOOLNAME + 1];
+ };
+ __u32 lr_stripe_count;
+ __u32 lr_hash_type;
__u64 lr_padding_3;
};
LE_PEER_EXIT = 9,
LE_CONDITIONAL_DESTROY = 10,
LE_PAIRS_VERIFY = 11,
+ LE_CREATE_ORPHAN = 12,
+ LE_SKIP_NLINK_DECLARE = 13,
+ LE_SKIP_NLINK = 14,
+ LE_SET_LMV_MASTER = 15,
+ LE_SET_LMV_SLAVE = 16,
};
enum lfsck_event_flags {
LEF_TO_OST = 0x00000001,
LEF_FROM_OST = 0x00000002,
+ LEF_SET_LMV_HASH = 0x00000004,
+ LEF_SET_LMV_ALL = 0x00000008,
+ LEF_RECHECK_NAME_HASH = 0x00000010,
};
static inline void lustre_set_wire_obdo(const struct obd_connect_data *ocd,
struct obdo *lobdo,
const struct obdo *wobdo)
{
- obd_flag local_flags = 0;
+ __u32 local_flags = 0;
if (lobdo->o_valid & OBD_MD_FLFLAGS)
local_flags = lobdo->o_flags & OBD_FL_LOCAL_MASK;
};
extern void lustre_swab_ost_body (struct ost_body *b);
-extern void lustre_swab_ost_last_id(obd_id *id);
+extern void lustre_swab_ost_last_id(__u64 *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_objects(struct lov_user_ost_data *lod,
int stripe_count);
extern void lustre_swab_lov_mds_md(struct lov_mds_md *lmm);
+void lustre_print_user_md(unsigned int level, struct lov_user_md *lum,
+ const char *msg);
/* llog_swab.c */
extern void lustre_swab_llogd_body (struct llogd_body *d);
void lustre_swab_fid2path (struct getinfo_fid2path *gf);
+/** path2parent request/reply structures */
+struct getparent {
+ struct lu_fid gp_fid; /**< parent FID */
+ __u32 gp_linkno; /**< hardlink number */
+ __u32 gp_name_size; /**< size of the name field */
+ char gp_name[0]; /**< zero-terminated link name */
+} __attribute__((packed));
+
enum {
LAYOUT_INTENT_ACCESS = 0,
LAYOUT_INTENT_READ = 1,
char oup_buf[0];
};
+static inline size_t
+object_update_param_size(const struct object_update_param *param)
+{
+ return cfs_size_round(sizeof(*param) + param->oup_len);
+}
+
/* object update */
struct object_update {
__u16 ou_type; /* enum update_type */
void lustre_swab_object_update(struct object_update *ou);
void lustre_swab_object_update_request(struct object_update_request *our);
+static inline size_t
+object_update_size(const struct object_update *update)
+{
+ const struct object_update_param *param;
+ size_t size;
+ unsigned int i;
+
+ size = offsetof(struct object_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);
+ }
+
+ return size;
+}
+
+static inline struct object_update *
+object_update_request_get(const struct object_update_request *our,
+ unsigned int index, size_t *size)
+{
+ void *ptr;
+ unsigned int i;
+
+ if (index >= our->ourq_count)
+ return NULL;
+
+ ptr = (void *)&our->ourq_updates[0];
+ for (i = 0; i < index; i++)
+ ptr += object_update_size(ptr);
+
+ if (size != NULL)
+ *size = object_update_size(ptr);
+
+ return ptr;
+}
+
+
/* the result of object update */
struct object_update_result {
__u32 our_rc;
void lustre_swab_object_update_result(struct object_update_result *our);
void lustre_swab_object_update_reply(struct object_update_reply *our);
+static inline struct object_update_result *
+object_update_result_get(const struct object_update_reply *reply,
+ unsigned int index, size_t *size)
+{
+ __u16 count = reply->ourp_count;
+ unsigned int i;
+ void *ptr;
+
+ if (index >= count)
+ return NULL;
+
+ ptr = (char *)reply +
+ cfs_size_round(offsetof(struct object_update_reply,
+ ourp_lens[count]));
+ for (i = 0; i < index; i++) {
+ if (reply->ourp_lens[i] == 0)
+ return NULL;
+
+ ptr += cfs_size_round(reply->ourp_lens[i]);
+ }
+
+ if (size != NULL)
+ *size = reply->ourp_lens[index];
+
+ return ptr;
+}
+
/** layout swap request structure
* fid1 and fid2 are in mdt_body
*/
git://git.whamcloud.com / fs / lustre-release.git / blobdiff