/* -*- 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.
*
#ifndef _LUSTRE_IDL_H_
#define _LUSTRE_IDL_H_
-#include <libcfs/kp30.h>
+#include <libcfs/libcfs.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 <lustre/types.h>
/* Defn's shared with user-space. */
#include <lustre/lustre_user.h>
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. */
};
* fid constants
*/
enum {
- LUSTRE_ROOT_FID_SEQ = 1ULL, /* XXX: should go into mkfs. */
-
/* initial fid id value */
LUSTRE_FID_INIT_OID = 1UL
};
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]"
{
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));
}
*/
struct lu_dirent {
struct lu_fid lde_fid;
- __u32 lde_hash;
+ __u64 lde_hash;
__u16 lde_reclen;
__u16 lde_namelen;
+ __u32 lde_pad0;
char lde_name[0];
};
struct lu_dirpage {
- __u32 ldp_hash_start;
- __u32 ldp_hash_end;
- __u16 ldp_flags;
+ __u64 ldp_hash_start;
+ __u64 ldp_hash_end;
+ __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 0xfffffffeUL
+#define DIR_END_OFF 0xfffffffffffffffeULL
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];
__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;
};
#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)
#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_CKSUM 0x20000000ULL /* support several cksum algos */
+#define OBD_CONNECT_FID 0x40000000ULL /* FID is supported by server */
/* also update obd_connect_names[] for lprocfs_rd_connect_flags()
* and lustre/utils/wirecheck.c */
OBD_CONNECT_RMT_CLIENT | \
OBD_CONNECT_MDS_CAPA | OBD_CONNECT_OSS_CAPA | \
OBD_CONNECT_MDS_MDS | OBD_CONNECT_CANCELSET | \
- LRU_RESIZE_CONNECT_FLAG)
+ OBD_CONNECT_FID | \
+ 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 | \
- 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)
+#define MGS_CONNECT_SUPPORTED (OBD_CONNECT_VERSION | OBD_CONNECT_AT)
#define MAX_QUOTA_COUNT32 (0xffffffffULL)
__u32 ocd_nllg; /* non-local-lustre-group */
__u64 ocd_transno; /* first transno from client to be replayed */
__u32 ocd_group; /* MDS group on OST */
- __u32 padding1; /* also fix lustre_swab_connect */
+ __u32 ocd_cksum_types; /* supported checksum algorithms */
+ __u64 padding1; /* also fix lustre_swab_connect */
__u64 padding2; /* also fix lustre_swab_connect */
- __u64 padding3; /* also fix lustre_swab_connect */
};
extern void lustre_swab_connect(struct obd_connect_data *ocd);
/*
+ * Supported checksum algorithms. Up to 32 checksum types are supported.
+ * (32-bit mask stored in obd_connect_data::ocd_cksum_types)
+ * Please update DECLARE_CKSUM_NAME/OBD_CKSUM_ALL in obd.h when adding a new
+ * algorithm and also the OBD_FL_CKSUM* flags.
+ */
+typedef enum {
+ OBD_CKSUM_CRC32 = 0x00000001,
+ OBD_CKSUM_ADLER = 0x00000002,
+} cksum_type_t;
+
+/*
* OST requests: OBDO & OBD request records
*/
#define OBD_FL_TRUNCLOCK (0x00000800)
/*
+ * Checksum types
+ */
+#define OBD_FL_CKSUM_CRC32 (0x00001000)
+#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 XATTR_NAME_ACL_DEFAULT "system.posix_acl_default"
#define XATTR_NAME_LOV "trusted.lov"
-/* remote ACL */
-#define XATTR_NAME_LUSTRE_ACL "system.lustre_acl"
-
#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_FLCKSPLIT (0x0000080000000000ULL) /* Check split on server */
#define OBD_MD_FLCROSSREF (0x0000100000000000ULL) /* Cross-ref case */
+#define OBD_MD_FLRMTLSETFACL (0x0001000000000000ULL) /* lfs lsetfacl case */
+#define OBD_MD_FLRMTLGETFACL (0x0002000000000000ULL) /* lfs lgetfacl case */
+#define OBD_MD_FLRMTRSETFACL (0x0004000000000000ULL) /* lfs rsetfacl case */
+#define OBD_MD_FLRMTRGETFACL (0x0008000000000000ULL) /* lfs rgetfacl case */
+
#define OBD_MD_FLGETATTR (OBD_MD_FLID | OBD_MD_FLATIME | OBD_MD_FLMTIME | \
OBD_MD_FLCTIME | OBD_MD_FLSIZE | OBD_MD_FLBLKSZ | \
OBD_MD_FLMODE | OBD_MD_FLTYPE | OBD_MD_FLUID | \
};
extern void lustre_swab_obd_statfs (struct obd_statfs *os);
+#define OBD_STATFS_NODELAY 0x0001 /* requests should be send without delay
+ * and resends for avoid deadlocks */
/* ost_body.data values for OST_BRW */
MDS_QUOTACHECK = 47,
MDS_QUOTACTL = 48,
MDS_GETXATTR = 49,
- MDS_SETXATTR = 50,
+ MDS_SETXATTR = 50, /* obsolete, now it's MDS_REINT op */
MDS_WRITEPAGE = 51,
MDS_IS_SUBDIR = 52,
MDS_LAST_OPC
REINT_UNLINK = 4,
REINT_RENAME = 5,
REINT_OPEN = 6,
+ REINT_SETXATTR = 7,
+// REINT_CLOSE = 8,
+// REINT_WRITE = 9,
REINT_MAX
} mds_reint_t, mdt_reint_t;
__u64 ctime;
__u64 blocks; /* XID, in the case of MDS_READPAGE */
__u64 ioepoch;
+ __u64 ino; /* for 1.6 compatibility */
__u32 fsuid;
__u32 fsgid;
__u32 capability;
__u32 flags; /* from vfs for pin/unpin, MDS_BFLAG for close */
__u32 rdev;
__u32 nlink; /* #bytes to read in the case of MDS_READPAGE */
+ __u32 generation; /* for 1.6 compatibility */
__u32 suppgid;
__u32 eadatasize;
__u32 aclsize;
__u32 max_mdsize;
- __u32 max_cookiesize; /* also fix lustre_swab_mdt_body */
+ __u32 max_cookiesize;
+ __u32 padding_4; /* also fix lustre_swab_mdt_body */
};
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 */
};
__u32 rp_access_perm; /* MAY_READ/WRITE/EXEC */
};
-/* setxid permissions for mds_setxid_perm.mp_perm */
-#define LUSTRE_SETUID_PERM 0x01
-#define LUSTRE_SETGID_PERM 0x02
-#define LUSTRE_SETGRP_PERM 0x04
+/* permissions for md_perm.mp_perm */
+enum {
+ CFS_SETUID_PERM = 0x01,
+ CFS_SETGID_PERM = 0x02,
+ CFS_SETGRP_PERM = 0x04,
+ CFS_RMTACL_PERM = 0x08
+};
extern void lustre_swab_mds_remote_perm(struct mds_remote_perm *p);
__u32 sa_fsgid;
__u32 sa_cap;
__u32 sa_suppgid;
- __u32 sa_mode;
+ __u32 sa_padding_1;
struct lu_fid sa_fid;
__u64 sa_valid;
+ __u32 sa_uid;
+ __u32 sa_gid;
__u64 sa_size;
__u64 sa_blocks;
__u64 sa_mtime;
__u64 sa_atime;
__u64 sa_ctime;
- __u32 sa_uid;
- __u32 sa_gid;
__u32 sa_attr_flags;
- __u32 sa_padding; /* also fix lustre_swab_mds_rec_setattr */
+ __u32 sa_mode;
+ __u32 sa_padding_2;
+ __u32 sa_padding_3;
+ __u32 sa_padding_4;
+ __u32 sa_padding_5;
};
extern void lustre_swab_mdt_rec_setattr (struct mdt_rec_setattr *sa);
#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_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 cr_fsuid;
__u32 cr_fsgid;
__u32 cr_cap;
- __u32 cr_flags; /* for use with open */
- __u32 cr_mode;
- struct lustre_handle cr_old_handle; /* u64 handle in case of open replay */
+ __u32 cr_suppgid1;
+ __u32 cr_suppgid2;
struct lu_fid cr_fid1;
struct lu_fid cr_fid2;
+ struct lustre_handle cr_old_handle; /* u64 handle in case of open replay */
__u64 cr_time;
__u64 cr_rdev;
__u64 cr_ioepoch;
- __u32 cr_suppgid1;
- __u32 cr_suppgid2;
+ __u64 cr_padding_1; /* pad for 64 bits*/
+ __u32 cr_mode;
__u32 cr_bias;
- __u32 cr_padding_1; /* pad for 64 bits*/
+ __u32 cr_flags; /* for use with open */
+ __u32 cr_padding_2;
+ __u32 cr_padding_3;
+ __u32 cr_padding_4;
};
extern void lustre_swab_mdt_rec_create (struct mdt_rec_create *cr);
struct lu_fid lk_fid1;
struct lu_fid lk_fid2;
__u64 lk_time;
+ __u64 lk_padding_1;
+ __u64 lk_padding_2;
+ __u64 lk_padding_3;
+ __u64 lk_padding_4;
__u32 lk_bias;
- __u32 lk_padding_2; /* also fix lustre_swab_mds_rec_link */
- __u32 lk_padding_3; /* also fix lustre_swab_mds_rec_link */
- __u32 lk_padding_4; /* also fix lustre_swab_mds_rec_link */
+ __u32 lk_padding_5;
+ __u32 lk_padding_6;
+ __u32 lk_padding_7;
+ __u32 lk_padding_8;
+ __u32 lk_padding_9;
};
-extern void lustre_swab_mdt_rec_link (struct mdt_rec_link *lk);
-
struct mds_rec_unlink {
__u32 ul_opcode;
__u32 ul_fsuid;
__u32 ul_fsuid;
__u32 ul_fsgid;
__u32 ul_cap;
- __u32 ul_suppgid;
- __u32 ul_mode;
+ __u32 ul_suppgid1;
+ __u32 ul_suppgid2;
struct lu_fid ul_fid1;
struct lu_fid ul_fid2;
__u64 ul_time;
+ __u64 ul_padding_2;
+ __u64 ul_padding_3;
+ __u64 ul_padding_4;
+ __u64 ul_padding_5;
__u32 ul_bias;
- __u32 ul_padding_2; /* also fix lustre_swab_mds_rec_unlink */
- __u32 ul_padding_3; /* also fix lustre_swab_mds_rec_unlink */
- __u32 ul_padding_4; /* also fix lustre_swab_mds_rec_unlink */
+ __u32 ul_mode;
+ __u32 ul_padding_6;
+ __u32 ul_padding_7;
+ __u32 ul_padding_8;
+ __u32 ul_padding_9;
};
-extern void lustre_swab_mdt_rec_unlink (struct mdt_rec_unlink *ul);
-
struct mds_rec_rename {
__u32 rn_opcode;
__u32 rn_fsuid;
struct lu_fid rn_fid1;
struct lu_fid rn_fid2;
__u64 rn_time;
- __u32 rn_mode; /* cross-ref rename has mode */
+ __u64 rn_padding_1;
+ __u64 rn_padding_2;
+ __u64 rn_padding_3;
+ __u64 rn_padding_4;
__u32 rn_bias; /* some operation flags */
- __u32 rn_padding_3; /* also fix lustre_swab_mdt_rec_rename */
- __u32 rn_padding_4; /* also fix lustre_swab_mdt_rec_rename */
-};
-
-extern void lustre_swab_mdt_rec_rename (struct mdt_rec_rename *rn);
+ __u32 rn_mode; /* cross-ref rename has mode */
+ __u32 rn_padding_5;
+ __u32 rn_padding_6;
+ __u32 rn_padding_7;
+ __u32 rn_padding_8;
+};
+
+struct mdt_rec_setxattr {
+ __u32 sx_opcode;
+ __u32 sx_fsuid;
+ __u32 sx_fsgid;
+ __u32 sx_cap;
+ __u32 sx_suppgid1;
+ __u32 sx_suppgid2;
+ struct lu_fid sx_fid;
+ __u64 sx_padding_1; /* These three members are lu_fid size */
+ __u32 sx_padding_2;
+ __u32 sx_padding_3;
+ __u64 sx_valid;
+ __u64 sx_time;
+ __u64 sx_padding_5;
+ __u64 sx_padding_6;
+ __u64 sx_padding_7;
+ __u32 sx_size;
+ __u32 sx_flags;
+ __u32 sx_padding_8;
+ __u32 sx_padding_9;
+ __u32 sx_padding_10;
+ __u32 sx_padding_11;
+};
+
+struct mdt_rec_reint {
+ __u32 rr_opcode;
+ __u32 rr_fsuid;
+ __u32 rr_fsgid;
+ __u32 rr_cap;
+ __u32 rr_suppgid1;
+ __u32 rr_suppgid2;
+ struct lu_fid rr_fid1;
+ struct lu_fid rr_fid2;
+ __u64 rr_mtime;
+ __u64 rr_atime;
+ __u64 rr_ctime;
+ __u64 rr_size;
+ __u64 rr_blocks;
+ __u32 rr_bias;
+ __u32 rr_mode;
+ __u32 rr_padding_1; /* also fix lustre_swab_mdt_rec_reint */
+ __u32 rr_padding_2; /* also fix lustre_swab_mdt_rec_reint */
+ __u32 rr_padding_3; /* also fix lustre_swab_mdt_rec_reint */
+ __u32 rr_padding_4; /* also fix lustre_swab_mdt_rec_reint */
+};
+
+extern void lustre_swab_mdt_rec_reint(struct mdt_rec_reint *rr);
-/* begin adding MDT by huanghua@clusterfs.com */
struct lmv_desc {
__u32 ld_tgt_count; /* how many MDS's */
__u32 ld_active_tgt_count; /* how many active */
};
extern void lustre_swab_lmv_desc (struct lmv_desc *ld);
-/* end adding MDT by huanghua@clusterfs.com */
struct md_fld {
seqno_t mf_seq;
LCK_MAXMODE
} ldlm_mode_t;
+#define LCK_MODE_NUM 7
+
typedef enum {
LDLM_PLAIN = 10,
LDLM_EXTENT = 11,
__u64 gid;
};
+static inline int ldlm_extent_overlap(struct ldlm_extent *ex1,
+ struct ldlm_extent *ex2)
+{
+ return (ex1->start <= ex2->end) && (ex2->start <= ex1->end);
+}
+
struct ldlm_inodebits {
__u64 bits;
};
git://git.whamcloud.com / fs / lustre-release.git / blobdiff