+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
+ *
+ * This file is part of Lustre, http://www.lustre.org.
+ *
+ * Lustre is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * Lustre 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 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Lustre; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
#ifndef __LINUX_CLASS_OBD_H
#define __LINUX_CLASS_OBD_H
+#ifndef __KERNEL__
+# include <stdint.h>
+# define __KERNEL__
+# include <linux/list.h>
+# undef __KERNEL__
+#else
+#include <asm/segment.h>
+#include <asm/uaccess.h>
+#include <linux/types.h>
#include <linux/fs.h>
#include <linux/time.h>
-#include <linux/obd.h>
-#include <linux/obd_ext2.h>
-#include <linux/obd_snap.h>
-#include <linux/obd_trace.h>
-/* #include <linux/obd_fc.h> */
-#include <linux/obd_raid1.h>
-#include <linux/obd_rpc.h>
+#include <linux/obd_support.h>
+#include <linux/obd.h>
+#include <linux/lustre_lib.h>
+#include <linux/lustre_idl.h>
+#include <linux/lustre_mds.h>
+#include <linux/lustre_dlm.h>
+#endif
/*
- * ======== OBD type Declarations ===========
+ * ======== OBD Device Declarations ===========
*/
+#define MAX_OBD_DEVICES 128
+extern struct obd_device obd_dev[MAX_OBD_DEVICES];
-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 uint32_t obd_count;
-
-#define OBD_FL_INLINEDATA (0x00000001UL)
-#define OBD_FL_OBDMDEXISTS (0x00000002UL)
-
-#define OBD_INLINESZ 60
-#define OBD_OBDMDSZ 60
-/* Note: 64-bit types are 64-bit aligned in structure */
-struct obdo {
- obd_id o_id;
- obd_gr o_gr;
- obd_time o_atime;
- obd_time o_mtime;
- obd_time o_ctime;
- obd_size o_size;
- obd_blocks o_blocks;
- obd_blksize o_blksize;
- obd_mode o_mode;
- obd_uid o_uid;
- obd_gid o_gid;
- obd_flag o_flags;
- obd_flag o_obdflags;
- obd_count o_nlink;
- obd_count o_generation;
- obd_flag o_valid; /* hot fields in this obdo */
- char o_inline[OBD_INLINESZ];
- char o_obdmd[OBD_OBDMDSZ];
- struct list_head o_list;
- struct obd_ops *o_op;
-};
+#define OBD_ATTACHED 0x1
+#define OBD_SET_UP 0x2
-#define OBD_MD_FLALL (~0UL)
-#define OBD_MD_FLID (0x00000001UL)
-#define OBD_MD_FLATIME (0x00000002UL)
-#define OBD_MD_FLMTIME (0x00000004UL)
-#define OBD_MD_FLCTIME (0x00000008UL)
-#define OBD_MD_FLSIZE (0x00000010UL)
-#define OBD_MD_FLBLOCKS (0x00000020UL)
-#define OBD_MD_FLBLKSZ (0x00000040UL)
-#define OBD_MD_FLMODE (0x00000080UL)
-#define OBD_MD_FLUID (0x00000100UL)
-#define OBD_MD_FLGID (0x00000200UL)
-#define OBD_MD_FLFLAGS (0x00000400UL)
-#define OBD_MD_FLOBDFLG (0x00000800UL)
-#define OBD_MD_FLNLINK (0x00001000UL)
-#define OBD_MD_FLGENER (0x00002000UL)
-#define OBD_MD_FLINLINE (0x00004000UL)
-#define OBD_MD_FLOBDMD (0x00008000UL)
-#define OBD_MD_FLNOTOBD (~(OBD_MD_FLOBDMD | OBD_MD_FLOBDFLG | OBD_MD_FLBLOCKS))
+extern struct proc_dir_entry *
+proc_lustre_register_obd_device(struct obd_device *obd);
+extern void proc_lustre_release_obd_device(struct obd_device *obd);
+extern void proc_lustre_remove_obd_entry(const char* name,
+ struct obd_device *obd);
/*
- * ======== OBD Device Declarations ===========
+ * ======== OBD Operations Declarations ===========
*/
+#ifdef __KERNEL__
+static inline int obd_check_conn(struct lustre_handle *conn)
+{
+ struct obd_device *obd;
+ if (!conn) {
+ CERROR("NULL conn\n");
+ RETURN(-ENOTCONN);
+ }
+ obd = class_conn2obd(conn);
+ if (!obd) {
+ CERROR("NULL obd\n");
+ RETURN(-ENODEV);
+ }
-#define OBD_PSDEV_MAJOR 186
-#define MAX_OBD_DEVICES 8
-#define MAX_MULTI 16
+ if (!obd->obd_flags & OBD_ATTACHED ) {
+ CERROR("obd %d not attached\n", obd->obd_minor);
+ RETURN(-ENODEV);
+ }
+ if (!obd->obd_flags & OBD_SET_UP) {
+ CERROR("obd %d not setup\n", obd->obd_minor);
+ RETURN(-ENODEV);
+ }
-extern struct obd_device obd_dev[MAX_OBD_DEVICES];
+ if (!obd->obd_type) {
+ CERROR("obd %d not typed\n", obd->obd_minor);
+ RETURN(-ENODEV);
+ }
+ if (!obd->obd_type->typ_ops) {
+ CERROR("obd_check_conn: obd %d no operations\n",
+ obd->obd_minor);
+ RETURN(-EOPNOTSUPP);
+ }
+ return 0;
+}
-#define OBD_ATTACHED 0x1
-#define OBD_SET_UP 0x2
-struct obd_conn {
- struct obd_device *oc_dev;
- uint32_t oc_id;
-};
+#define OBT(dev) (dev)->obd_type
+#define OBP(dev, op) (dev)->obd_type->typ_ops->o_ ## op
+
+#define OBD_CHECK_SETUP(conn, exp) \
+do { \
+ if (!(conn)) { \
+ CERROR("NULL connection\n"); \
+ RETURN(-EINVAL); \
+ } \
+ \
+ exp = class_conn2export(conn); \
+ if (!(exp)) { \
+ CERROR("No export\n"); \
+ RETURN(-EINVAL); \
+ } \
+ \
+ if (!((exp)->exp_obd->obd_flags & OBD_SET_UP)) { \
+ CERROR("Device %d not setup\n", \
+ (exp)->exp_obd->obd_minor); \
+ RETURN(-EINVAL); \
+ } \
+} while (0)
+
+#define OBD_CHECK_DEVSETUP(obd) \
+do { \
+ if (!(obd)) { \
+ CERROR("NULL device\n"); \
+ RETURN(-EINVAL); \
+ } \
+ \
+ if (!((obd)->obd_flags & OBD_SET_UP)) { \
+ CERROR("Device %d not setup\n", \
+ (obd)->obd_minor); \
+ RETURN(-EINVAL); \
+ } \
+} while (0)
+
+#define OBD_CHECK_OP(obd, op) \
+do { \
+ if (!OBP((obd), op)) { \
+ CERROR("obd_" #op ": dev %d no operation\n", \
+ obd->obd_minor); \
+ RETURN(-EOPNOTSUPP); \
+ } \
+} while (0)
+
+static inline int obd_get_info(struct lustre_handle *conn, obd_count keylen,
+ void *key, obd_count *vallen, void **val)
+{
+ struct obd_export *exp;
+ int rc;
-typedef struct {
- uint32_t len;
- char * name;
- struct dentry *dentry; /* file system obd device names */
- __u8 _uuid[16]; /* uuid obd device names */
-} obd_devicename;
-
-/* corresponds to one of the obdx */
-struct obd_device {
- struct obd_type *obd_type;
- int obd_minor;
- int obd_flags;
- int obd_refcnt;
- obd_devicename obd_fsname;
- struct proc_dir_entry *obd_proc_entry;
- int obd_multi_count;
- struct obd_conn obd_multi_conn[MAX_MULTI];
- unsigned int obd_gen_last_id;
- unsigned long obd_gen_prealloc_quota;
- struct list_head obd_gen_clients;
- union {
- struct ext2_obd ext2;
- struct raid1_obd raid1;
- struct snap_obd snap;
- struct trace_obd trace;
- /* struct fc_obd fc; */
- } u;
-};
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, get_info);
-extern struct proc_dir_entry *proc_lustre_register_obd_device(struct obd_device *obd);
-extern void proc_lustre_release_obd_device(struct obd_device *obd);
-extern void proc_lustre_remove_obd_entry(const char* name, struct obd_device *obd);
+ rc = OBP(exp->exp_obd, get_info)(conn, keylen, key, vallen, val);
+ RETURN(rc);
+}
+static inline int obd_set_info(struct lustre_handle *conn, obd_count keylen,
+ void *key, obd_count vallen, void *val)
+{
+ struct obd_export *exp;
+ int rc;
-/*
- * ======== OBD Operations Declarations ===========
- */
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, set_info);
-#define OBD_BRW_READ (READ)
-#define OBD_BRW_WRITE (WRITE)
-#define OBD_BRW_RWMASK (READ | WRITE)
-#define OBD_BRW_CREATE (0x00000010UL)
-
-struct obd_ops {
- int (*o_iocontrol)(int cmd, struct obd_conn *, int len, void *karg,
- void *uarg);
- int (*o_get_info)(struct obd_conn *, obd_count keylen, void *key,
- obd_count *vallen, void **val);
- int (*o_set_info)(struct obd_conn *, obd_count keylen, void *key,
- obd_count vallen, void *val);
- int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
- int (*o_detach)(struct obd_device *dev);
- int (*o_setup) (struct obd_device *dev, obd_count len, void *data);
- int (*o_cleanup)(struct obd_device *dev);
- int (*o_connect)(struct obd_conn *conn);
- int (*o_disconnect)(struct obd_conn *conn);
- int (*o_statfs)(struct obd_conn *conn, struct statfs *statfs);
- int (*o_preallocate)(struct obd_conn *, obd_count *req, obd_id *ids);
- int (*o_create)(struct obd_conn *conn, struct obdo *oa);
- int (*o_destroy)(struct obd_conn *conn, struct obdo *oa);
- int (*o_setattr)(struct obd_conn *conn, struct obdo *oa);
- int (*o_getattr)(struct obd_conn *conn, struct obdo *oa);
- int (*o_read)(struct obd_conn *conn, struct obdo *oa, char *buf,
- obd_size *count, obd_off offset);
- int (*o_write)(struct obd_conn *conn, struct obdo *oa, char *buf,
- obd_size *count, obd_off offset);
- int (*o_brw)(int rw, struct obd_conn *conn, obd_count num_oa,
- struct obdo **oa, obd_count *oa_bufs, char **buf,
- obd_size *count, obd_off *offset, obd_flag *flags);
- int (*o_punch)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
- obd_off offset);
- int (*o_sync)(struct obd_conn *conn, struct obdo *tgt, obd_size count,
- obd_off offset);
- int (*o_migrate)(struct obd_conn *conn, struct obdo *dst,
- struct obdo *src, obd_size count, obd_off offset);
- int (*o_copy)(struct obd_conn *dstconn, struct obdo *dst,
- struct obd_conn *srconn, struct obdo *src,
- obd_size count, obd_off offset);
- int (*o_iterate)(struct obd_conn *conn, int (*)(obd_id, obd_gr, void *),
- obd_id *startid, obd_gr group, void *data);
-};
+ rc = OBP(exp->exp_obd, set_info)(conn, keylen, key, vallen, val);
+ RETURN(rc);
+}
+
+static inline int obd_setup(struct obd_device *obd, int datalen, void *data)
+{
+ int rc;
+
+ OBD_CHECK_OP(obd, setup);
+
+ rc = OBP(obd, setup)(obd, datalen, data);
+ RETURN(rc);
+}
+
+static inline int obd_cleanup(struct obd_device *obd)
+{
+ int rc;
+
+ OBD_CHECK_DEVSETUP(obd);
+ OBD_CHECK_OP(obd, cleanup);
+
+ rc = OBP(obd, cleanup)(obd);
+ RETURN(rc);
+}
+
+static inline int obd_create(struct lustre_handle *conn, struct obdo *obdo,
+ struct lov_stripe_md **ea)
+{
+ struct obd_export *exp;
+ int rc;
+
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, create);
+
+ rc = OBP(exp->exp_obd, create)(conn, obdo, ea);
+ RETURN(rc);
+}
+
+static inline int obd_destroy(struct lustre_handle *conn, struct obdo *obdo,
+ struct lov_stripe_md *ea)
+{
+ struct obd_export *exp;
+ int rc;
+
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, destroy);
+
+ rc = OBP(exp->exp_obd, destroy)(conn, obdo, ea);
+ RETURN(rc);
+}
+
+static inline int obd_getattr(struct lustre_handle *conn, struct obdo *obdo,
+ struct lov_stripe_md *ea)
+{
+ struct obd_export *exp;
+ int rc;
+
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, getattr);
-#define OBT(dev) dev->obd_type->typ_ops
-#define OBP(dev,op) dev->obd_type->typ_ops->o_ ## op
+ rc = OBP(exp->exp_obd, getattr)(conn, obdo, ea);
+ RETURN(rc);
+}
+
+static inline int obd_close(struct lustre_handle *conn, struct obdo *obdo,
+ struct lov_stripe_md *ea)
+{
+ struct obd_export *exp;
+ int rc;
+
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, close);
+
+ rc = OBP(exp->exp_obd, close)(conn, obdo, ea);
+ RETURN(rc);
+}
+
+static inline int obd_open(struct lustre_handle *conn, struct obdo *obdo,
+ struct lov_stripe_md *ea)
+{
+ struct obd_export *exp;
+ int rc;
-/* This value is not arbitrarily chosen. KIO_STATIC_PAGES from linux/iobuf.h */
-#define MAX_IOVEC (KIO_STATIC_PAGES - 1)
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, open);
+
+ rc = OBP(exp->exp_obd, open)(conn, obdo, ea);
+ RETURN(rc);
+}
+
+static inline int obd_setattr(struct lustre_handle *conn, struct obdo *obdo,
+ struct lov_stripe_md *ea)
+{
+ struct obd_export *exp;
+ int rc;
+
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, setattr);
+
+ rc = OBP(exp->exp_obd, setattr)(conn, obdo, ea);
+ RETURN(rc);
+}
+static inline int obd_connect(struct lustre_handle *conn,
+ struct obd_device *obd, obd_uuid_t cluuid)
+{
+ int rc;
+
+ OBD_CHECK_DEVSETUP(obd);
+ OBD_CHECK_OP(obd, connect);
+
+ rc = OBP(obd, connect)(conn, obd, cluuid);
+ RETURN(rc);
+}
+
+static inline int obd_disconnect(struct lustre_handle *conn)
+{
+ struct obd_export *exp;
+ int rc;
+
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, disconnect);
+
+ rc = OBP(exp->exp_obd, disconnect)(conn);
+ RETURN(rc);
+}
+
+static inline int obd_statfs(struct lustre_handle *conn,struct obd_statfs *osfs)
+{
+ struct obd_export *exp;
+ int rc;
+
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, statfs);
+
+ rc = OBP(exp->exp_obd, statfs)(conn, osfs);
+ RETURN(rc);
+}
+
+static inline int obd_punch(struct lustre_handle *conn, struct obdo *oa,
+ struct lov_stripe_md *ea,
+ obd_size count, obd_off offset)
+{
+ struct obd_export *exp;
+ int rc;
+
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, punch);
+
+ rc = OBP(exp->exp_obd, punch)(conn, oa, ea, count, offset);
+ RETURN(rc);
+}
+
+static inline int obd_brw(int cmd, struct lustre_handle *conn,
+ struct lov_stripe_md *ea, obd_count oa_bufs,
+ struct brw_page *pg,
+ brw_callback_t callback, void *data)
+{
+ struct obd_export *exp;
+ int rc;
+
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, brw);
+
+ if (!(cmd & OBD_BRW_RWMASK)) {
+ CERROR("obd_brw: cmd must be OBD_BRW_READ or OBD_BRW_WRITE\n");
+ LBUG();
+ }
+
+ rc = OBP(exp->exp_obd, brw)(cmd, conn, ea, oa_bufs, pg, callback, data);
+ RETURN(rc);
+}
+
+static inline int obd_preprw(int cmd, struct lustre_handle *conn,
+ int objcount, struct obd_ioobj *obj,
+ int niocount, struct niobuf_remote *remote,
+ struct niobuf_local *local, void **desc_private)
+{
+ struct obd_export *exp;
+ int rc;
+
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, preprw);
+
+ rc = OBP(exp->exp_obd, preprw)(cmd, conn, objcount, obj, niocount,
+ remote, local, desc_private);
+ RETURN(rc);
+}
+
+static inline int obd_commitrw(int cmd, struct lustre_handle *conn,
+ int objcount, struct obd_ioobj *obj,
+ int niocount, struct niobuf_local *local,
+ void *desc_private)
+{
+ struct obd_export *exp;
+ int rc;
+
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, commitrw);
+
+ rc = OBP(exp->exp_obd, commitrw)(cmd, conn, objcount, obj, niocount,
+ local, desc_private);
+ RETURN(rc);
+}
+
+static inline int obd_iocontrol(int cmd, struct lustre_handle *conn,
+ int len, void *karg, void *uarg)
+{
+ struct obd_export *exp;
+ int rc;
+
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, iocontrol);
+
+ rc = OBP(exp->exp_obd, iocontrol)(cmd, conn, len, karg, uarg);
+ RETURN(rc);
+}
+
+static inline int obd_enqueue(struct lustre_handle *conn,
+ struct lov_stripe_md *ea,
+ struct lustre_handle *parent_lock,
+ __u32 type, void *cookie, int cookielen,
+ __u32 mode, int *flags, void *cb, void *data,
+ int datalen, struct lustre_handle *lockh)
+{
+ struct obd_export *exp;
+ int rc;
+
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, enqueue);
+
+ rc = OBP(exp->exp_obd, enqueue)(conn, ea, parent_lock, type,
+ cookie, cookielen, mode, flags, cb,
+ data, datalen, lockh);
+ RETURN(rc);
+}
+
+static inline int obd_cancel(struct lustre_handle *conn,
+ struct lov_stripe_md *ea, __u32 mode,
+ struct lustre_handle *lockh)
+{
+ struct obd_export *exp;
+ int rc;
+
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, cancel);
+
+ rc = OBP(exp->exp_obd, cancel)(conn, ea, mode, lockh);
+ RETURN(rc);
+}
+
+static inline int obd_cancel_unused(struct lustre_handle *conn,
+ struct lov_stripe_md *ea, int local)
+{
+ struct obd_export *exp;
+ int rc;
+
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, cancel_unused);
+
+ rc = OBP(exp->exp_obd, cancel_unused)(conn, ea, local);
+ RETURN(rc);
+}
+
+#endif
/*
* ======== OBD Metadata Support ===========
*/
-extern int obd_init_obdo_cache(void);
-extern void obd_cleanup_obdo_cache(void);
-
+extern int obd_init_caches(void);
+extern void obd_cleanup_caches(void);
static inline int obdo_has_inline(struct obdo *obdo)
{
obdo->o_obdflags & OBD_FL_INLINEDATA);
};
-static inline int obdo_has_obdmd(struct obdo *obdo)
-{
- return (obdo->o_valid & OBD_MD_FLOBDMD &&
- obdo->o_obdflags & OBD_FL_OBDMDEXISTS);
-};
-
+#ifdef __KERNEL__
/* support routines */
extern kmem_cache_t *obdo_cachep;
-
-static __inline__ struct obdo *obdo_alloc(void)
+static inline struct obdo *obdo_alloc(void)
{
struct obdo *oa = NULL;
oa = kmem_cache_alloc(obdo_cachep, SLAB_KERNEL);
+ if (oa == NULL)
+ LBUG();
memset(oa, 0, sizeof (*oa));
return oa;
}
-
-static __inline__ void obdo_free(struct obdo *oa)
+static inline void obdo_free(struct obdo *oa)
{
- if ( !oa )
+ if (!oa)
return;
kmem_cache_free(obdo_cachep, oa);
}
-
-static __inline__ struct obdo *obdo_fromid(struct obd_conn *conn, obd_id id,
- obd_flag valid)
-{
- struct obdo *oa;
- int err;
-
- ENTRY;
- oa = obdo_alloc();
- if ( !oa ) {
- EXIT;
- return ERR_PTR(-ENOMEM);
- }
- memset(oa, 0, sizeof(*oa));
- oa->o_id = id;
- oa->o_valid = valid;
- if ((err = OBP(conn->oc_dev, getattr)(conn, oa))) {
- obdo_free(oa);
- EXIT;
- return ERR_PTR(err);
- }
- EXIT;
- return oa;
-}
-
static inline void obdo_from_iattr(struct obdo *oa, struct iattr *attr)
{
unsigned int ia_valid = attr->ia_valid;
}
if (ia_valid & ATTR_MODE) {
oa->o_mode = attr->ia_mode;
- oa->o_valid |= OBD_MD_FLMODE;
+ oa->o_valid |= OBD_MD_FLTYPE | OBD_MD_FLMODE;
if (!in_group_p(oa->o_gid) && !capable(CAP_FSETID))
oa->o_mode &= ~S_ISGID;
}
- if (ia_valid & ATTR_UID)
- {
+ if (ia_valid & ATTR_UID) {
oa->o_uid = attr->ia_uid;
oa->o_valid |= OBD_MD_FLUID;
}
}
-static __inline__ void obdo_cpy_md(struct obdo *dst, struct obdo *src)
+static inline void iattr_from_obdo(struct iattr *attr, struct obdo *oa,
+ obd_flag valid)
{
- CDEBUG(D_INODE, "src obdo %Ld valid 0x%x, dst obdo %Ld\n",
- src->o_id, src->o_valid, dst->o_id);
- if ( src->o_valid & OBD_MD_FLATIME )
- dst->o_atime = src->o_atime;
- if ( src->o_valid & OBD_MD_FLMTIME )
- dst->o_mtime = src->o_mtime;
- if ( src->o_valid & OBD_MD_FLCTIME )
- dst->o_ctime = src->o_ctime;
- if ( src->o_valid & OBD_MD_FLSIZE )
- dst->o_size = src->o_size;
- if ( src->o_valid & OBD_MD_FLBLOCKS ) /* allocation of space */
- dst->o_blocks = src->o_blocks;
- if ( src->o_valid & OBD_MD_FLBLKSZ )
- dst->o_blksize = src->o_blksize;
- if ( src->o_valid & OBD_MD_FLMODE )
- dst->o_mode = src->o_mode;
- if ( src->o_valid & OBD_MD_FLUID )
- dst->o_uid = src->o_uid;
- if ( src->o_valid & OBD_MD_FLGID )
- dst->o_gid = src->o_gid;
- if ( src->o_valid & OBD_MD_FLFLAGS )
- dst->o_flags = src->o_flags;
- /*
- if ( src->o_valid & OBD_MD_FLOBDFLG )
- dst->o_obdflags = src->o_obdflags;
- */
- if ( src->o_valid & OBD_MD_FLNLINK )
- dst->o_nlink = src->o_nlink;
- if ( src->o_valid & OBD_MD_FLGENER )
- dst->o_generation = src->o_generation;
- if ( src->o_valid & OBD_MD_FLINLINE &&
- src->o_obdflags & OBD_FL_INLINEDATA) {
- memcpy(dst->o_inline, src->o_inline, sizeof(src->o_inline));
- dst->o_obdflags |= OBD_FL_INLINEDATA;
+ memset(attr, 0, sizeof(*attr));
+ if (valid & OBD_MD_FLATIME) {
+ attr->ia_atime = oa->o_atime;
+ attr->ia_valid |= ATTR_ATIME;
}
- if ( src->o_valid & OBD_MD_FLOBDMD &&
- src->o_obdflags & OBD_FL_OBDMDEXISTS) {
- memcpy(dst->o_obdmd, src->o_obdmd, sizeof(src->o_obdmd));
- dst->o_obdflags |= OBD_FL_OBDMDEXISTS;
+ if (valid & OBD_MD_FLMTIME) {
+ attr->ia_mtime = oa->o_mtime;
+ attr->ia_valid |= ATTR_MTIME;
+ }
+ if (valid & OBD_MD_FLCTIME) {
+ attr->ia_ctime = oa->o_ctime;
+ attr->ia_valid |= ATTR_CTIME;
+ }
+ if (valid & OBD_MD_FLSIZE) {
+ attr->ia_size = oa->o_size;
+ attr->ia_valid |= ATTR_SIZE;
+ }
+ if (valid & OBD_MD_FLTYPE) {
+ attr->ia_mode = (attr->ia_mode & ~S_IFMT)|(oa->o_mode & S_IFMT);
+ attr->ia_valid |= ATTR_MODE;
+ }
+ if (valid & OBD_MD_FLMODE) {
+ attr->ia_mode = (attr->ia_mode & S_IFMT)|(oa->o_mode & ~S_IFMT);
+ attr->ia_valid |= ATTR_MODE;
+ if (!in_group_p(oa->o_gid) && !capable(CAP_FSETID))
+ attr->ia_mode &= ~S_ISGID;
+ }
+ if (valid & OBD_MD_FLUID)
+ {
+ attr->ia_uid = oa->o_uid;
+ attr->ia_valid |= ATTR_UID;
+ }
+ if (valid & OBD_MD_FLGID) {
+ attr->ia_gid = oa->o_gid;
+ attr->ia_valid |= ATTR_GID;
}
-
- dst->o_valid |= src->o_valid;
}
-static __inline__ void obdo_from_inode(struct obdo *dst, struct inode *src)
+
+/* WARNING: the file systems must take care not to tinker with
+ attributes they don't manage (such as blocks). */
+
+static inline void obdo_from_inode(struct obdo *dst, struct inode *src,
+ obd_flag valid)
{
- if ( dst->o_valid & OBD_MD_FLID )
- dst->o_id = src->i_ino;
- if ( dst->o_valid & OBD_MD_FLATIME )
+// if (valid & OBD_MD_FLID)
+// dst->o_id = src->i_ino;
+ if (valid & OBD_MD_FLATIME)
dst->o_atime = src->i_atime;
- if ( dst->o_valid & OBD_MD_FLMTIME )
+ if (valid & OBD_MD_FLMTIME)
dst->o_mtime = src->i_mtime;
- if ( dst->o_valid & OBD_MD_FLCTIME )
+ if (valid & OBD_MD_FLCTIME)
dst->o_ctime = src->i_ctime;
- if ( dst->o_valid & OBD_MD_FLSIZE )
+ if (valid & OBD_MD_FLSIZE)
dst->o_size = src->i_size;
- if ( dst->o_valid & OBD_MD_FLBLOCKS ) /* allocation of space */
+ if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
dst->o_blocks = src->i_blocks;
- if ( dst->o_valid & OBD_MD_FLBLKSZ )
+ if (valid & OBD_MD_FLBLKSZ)
dst->o_blksize = src->i_blksize;
- if ( dst->o_valid & OBD_MD_FLMODE )
- dst->o_mode = src->i_mode;
- if ( dst->o_valid & OBD_MD_FLUID )
+ if (valid & OBD_MD_FLTYPE)
+ dst->o_mode = (dst->o_mode & ~S_IFMT) | (src->i_mode & S_IFMT);
+ if (valid & OBD_MD_FLMODE)
+ dst->o_mode = (dst->o_mode & S_IFMT) | (src->i_mode & ~S_IFMT);
+ if (valid & OBD_MD_FLUID)
dst->o_uid = src->i_uid;
- if ( dst->o_valid & OBD_MD_FLGID )
+ if (valid & OBD_MD_FLGID)
dst->o_gid = src->i_gid;
- if ( dst->o_valid & OBD_MD_FLFLAGS )
+ if (valid & OBD_MD_FLFLAGS)
dst->o_flags = src->i_flags;
- if ( dst->o_valid & OBD_MD_FLNLINK )
+ if (valid & OBD_MD_FLNLINK)
dst->o_nlink = src->i_nlink;
- if ( dst->o_valid & OBD_MD_FLGENER )
+ if (valid & OBD_MD_FLGENER)
dst->o_generation = src->i_generation;
+ if (valid & OBD_MD_FLRDEV)
+ dst->o_rdev = src->i_rdev;
+
+ dst->o_valid |= (valid & ~OBD_MD_FLID);
}
-static __inline__ void obdo_to_inode(struct inode *dst, struct obdo *src)
+static inline void obdo_to_inode(struct inode *dst, struct obdo *src,
+ obd_flag valid)
{
-
- if ( src->o_valid & OBD_MD_FLID )
- dst->i_ino = src->o_id;
- if ( src->o_valid & OBD_MD_FLATIME )
+// if (valid & OBD_MD_FLID)
+// dst->i_ino = src->o_id;
+ if (valid & OBD_MD_FLATIME)
dst->i_atime = src->o_atime;
- if ( src->o_valid & OBD_MD_FLMTIME )
+ if (valid & OBD_MD_FLMTIME)
dst->i_mtime = src->o_mtime;
- if ( src->o_valid & OBD_MD_FLCTIME )
+ if (valid & OBD_MD_FLCTIME)
dst->i_ctime = src->o_ctime;
- if ( src->o_valid & OBD_MD_FLSIZE )
+ if (valid & OBD_MD_FLSIZE)
dst->i_size = src->o_size;
- if ( src->o_valid & OBD_MD_FLBLOCKS ) /* allocation of space */
+ if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
dst->i_blocks = src->o_blocks;
- if ( src->o_valid & OBD_MD_FLBLKSZ )
+ if (valid & OBD_MD_FLBLKSZ)
dst->i_blksize = src->o_blksize;
- if ( src->o_valid & OBD_MD_FLMODE )
- dst->i_mode = src->o_mode;
- if ( src->o_valid & OBD_MD_FLUID )
+ if (valid & OBD_MD_FLTYPE)
+ dst->i_mode = (dst->i_mode & ~S_IFMT) | (src->o_mode & S_IFMT);
+ if (valid & OBD_MD_FLMODE)
+ dst->i_mode = (dst->i_mode & S_IFMT) | (src->o_mode & ~S_IFMT);
+ if (valid & OBD_MD_FLUID)
dst->i_uid = src->o_uid;
- if ( src->o_valid & OBD_MD_FLGID )
+ if (valid & OBD_MD_FLGID)
dst->i_gid = src->o_gid;
- if ( src->o_valid & OBD_MD_FLFLAGS )
+ if (valid & OBD_MD_FLFLAGS)
dst->i_flags = src->o_flags;
- if ( src->o_valid & OBD_MD_FLNLINK )
+ if (valid & OBD_MD_FLNLINK)
dst->i_nlink = src->o_nlink;
- if ( src->o_valid & OBD_MD_FLGENER )
+ if (valid & OBD_MD_FLGENER)
dst->i_generation = src->o_generation;
+ if (valid & OBD_MD_FLRDEV)
+ dst->i_rdev = src->o_rdev;
+}
+#endif
+
+static inline void obdo_cpy_md(struct obdo *dst, struct obdo *src,
+ obd_flag valid)
+{
+#ifdef __KERNEL__
+ CDEBUG(D_INODE, "src obdo %Ld valid 0x%x, dst obdo %Ld\n",
+ (unsigned long long)src->o_id, src->o_valid,
+ (unsigned long long)dst->o_id);
+#endif
+ if (valid & OBD_MD_FLATIME)
+ dst->o_atime = src->o_atime;
+ if (valid & OBD_MD_FLMTIME)
+ dst->o_mtime = src->o_mtime;
+ if (valid & OBD_MD_FLCTIME)
+ dst->o_ctime = src->o_ctime;
+ if (valid & OBD_MD_FLSIZE)
+ dst->o_size = src->o_size;
+ if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
+ dst->o_blocks = src->o_blocks;
+ if (valid & OBD_MD_FLBLKSZ)
+ dst->o_blksize = src->o_blksize;
+ if (valid & OBD_MD_FLTYPE)
+ dst->o_mode = (dst->o_mode & ~S_IFMT) | (src->o_mode & S_IFMT);
+ if (valid & OBD_MD_FLMODE)
+ dst->o_mode = (dst->o_mode & S_IFMT) | (src->o_mode & ~S_IFMT);
+ if (valid & OBD_MD_FLUID)
+ dst->o_uid = src->o_uid;
+ if (valid & OBD_MD_FLGID)
+ dst->o_gid = src->o_gid;
+ if (valid & OBD_MD_FLFLAGS)
+ dst->o_flags = src->o_flags;
+ /*
+ if (valid & OBD_MD_FLOBDFLG)
+ dst->o_obdflags = src->o_obdflags;
+ */
+ if (valid & OBD_MD_FLNLINK)
+ dst->o_nlink = src->o_nlink;
+ if (valid & OBD_MD_FLGENER)
+ dst->o_generation = src->o_generation;
+ if (valid & OBD_MD_FLRDEV)
+ dst->o_rdev = src->o_rdev;
+ if (valid & OBD_MD_FLINLINE &&
+ src->o_obdflags & OBD_FL_INLINEDATA) {
+ memcpy(dst->o_inline, src->o_inline, sizeof(src->o_inline));
+ dst->o_obdflags |= OBD_FL_INLINEDATA;
+ }
+
+ dst->o_valid |= valid;
}
+
/* returns FALSE if comparison (by flags) is same, TRUE if changed */
-static __inline__ int obdo_cmp_md(struct obdo *dst, struct obdo *src,
- obd_flag compare)
+static inline int obdo_cmp_md(struct obdo *dst, struct obdo *src,
+ obd_flag compare)
{
int res = 0;
res = (res || (dst->o_blocks != src->o_blocks));
if ( compare & OBD_MD_FLBLKSZ )
res = (res || (dst->o_blksize != src->o_blksize));
+ if ( compare & OBD_MD_FLTYPE )
+ res = (res || (((dst->o_mode ^ src->o_mode) & S_IFMT) != 0));
if ( compare & OBD_MD_FLMODE )
- res = (res || (dst->o_mode != src->o_mode));
+ res = (res || (((dst->o_mode ^ src->o_mode) & ~S_IFMT) != 0));
if ( compare & OBD_MD_FLUID )
res = (res || (dst->o_uid != src->o_uid));
if ( compare & OBD_MD_FLGID )
res = (res || (dst->o_gid != src->o_gid));
- if ( compare & OBD_MD_FLFLAGS )
+ if ( compare & OBD_MD_FLFLAGS )
res = (res || (dst->o_flags != src->o_flags));
if ( compare & OBD_MD_FLNLINK )
res = (res || (dst->o_nlink != src->o_nlink));
/* XXX Don't know if thses should be included here - wasn't previously
if ( compare & OBD_MD_FLINLINE )
res = (res || memcmp(dst->o_inline, src->o_inline));
- if ( compare & OBD_MD_FLOBDMD )
- res = (res || memcmp(dst->o_obdmd, src->o_obdmd));
*/
return res;
}
-
-int obd_register_type(struct obd_ops *ops, char *nm);
-int obd_unregister_type(char *nm);
-
-struct obd_client {
- struct list_head cli_chain;
- struct obd_device *cli_obd;
- unsigned int cli_id;
- unsigned long cli_prealloc_quota;
- struct list_head cli_prealloc_inodes;
-};
-
-
-struct obd_prealloc_inode {
- struct list_head obd_prealloc_chain;
- unsigned long inode;
-};
+#ifdef __KERNEL__
+int class_register_type(struct obd_ops *ops, char *nm);
+int class_unregister_type(char *nm);
+int class_name2dev(char *name);
+int class_uuid2dev(char *uuid);
+struct obd_device *class_uuid2obd(char *uuid);
+struct obd_export *class_new_export(struct obd_device *obddev);
+void class_destroy_export(struct obd_export *exp);
+int class_connect(struct lustre_handle *conn, struct obd_device *obd,
+ obd_uuid_t cluuid);
+int class_disconnect(struct lustre_handle *conn);
+void class_disconnect_all(struct obd_device *obddev);
/* generic operations shared by various OBD types */
-int gen_multi_setup(struct obd_device *obddev, uint32_t len, void *data);
-int gen_multi_cleanup(struct obd_device *obddev);
-int gen_multi_attach(struct obd_device *obddev, uint32_t len, void *data);
-int gen_multi_detach(struct obd_device *obddev);
-int gen_connect (struct obd_conn *conn);
-int gen_disconnect(struct obd_conn *conn);
-struct obd_client *gen_client(const struct obd_conn *);
-int gen_cleanup(struct obd_device *obddev);
-int gen_copy_data(struct obd_conn *dst_conn, struct obdo *dst,
- struct obd_conn *src_conn, struct obdo *src,
- obd_size count, obd_off offset);
-
-
-
-/*
- * ======== OBD IOCL Declarations ===========
- */
-struct oic_generic {
- uint32_t att_connid;
- int att_typelen;
- void *att_type;
- int att_datalen;
- void *att_data;
-};
-
-
-/* for preallocation */
-struct oic_prealloc_s {
- uint32_t conn_id;
- uint32_t alloc; /* user sets it to the number of inodes
- * requesting to be preallocated. kernel
- * sets it to the actual number of
- * succesfully preallocated inodes */
- obd_id ids[32]; /* actual inode numbers */
-};
-
-/* for getattr, setattr, create, destroy */
-struct oic_attr_s {
- uint32_t conn_id;
- struct obdo obdo;
-};
-
-/* for copy, migrate */
-struct ioc_mv_s {
- uint32_t src_conn_id;
- struct obdo src;
- uint32_t dst_conn_id;
- struct obdo dst;
-};
-
-/* for read/write */
-struct oic_rw_s {
- uint32_t conn_id;
- struct obdo obdo;
- char *buf;
- obd_size count;
- obd_off offset;
-};
-
-/* for punch, sync */
-struct oic_range_s {
- uint32_t conn_id;
- struct obdo obdo;
- obd_size count;
- obd_off offset;
-};
+int class_multi_setup(struct obd_device *obddev, uint32_t len, void *data);
+int class_multi_cleanup(struct obd_device *obddev);
+extern void (*class_signal_connection_failure)(struct ptlrpc_connection *);
-#define OBD_IOC_CREATE _IOR ('f', 3, long)
-#define OBD_IOC_SETUP _IOW ('f', 4, long)
-#define OBD_IOC_CLEANUP _IO ('f', 5 )
-#define OBD_IOC_DESTROY _IOW ('f', 6, long)
-#define OBD_IOC_PREALLOCATE _IOWR('f', 7, long)
-#define OBD_IOC_DEC_USE_COUNT _IO ('f', 8 )
-#define OBD_IOC_SETATTR _IOW ('f', 9, long)
-#define OBD_IOC_GETATTR _IOR ('f', 10, long)
-#define OBD_IOC_READ _IOWR('f', 11, long)
-#define OBD_IOC_WRITE _IOWR('f', 12, long)
-#define OBD_IOC_CONNECT _IOR ('f', 13, long)
-#define OBD_IOC_DISCONNECT _IOW ('f', 14, long)
-#define OBD_IOC_STATFS _IOWR('f', 15, long)
-#define OBD_IOC_SYNC _IOR ('f', 16, long)
-#define OBD_IOC_READ2 _IOWR('f', 17, long)
-#define OBD_IOC_FORMAT _IOWR('f', 18, long)
-#define OBD_IOC_PARTITION _IOWR('f', 19, long)
-#define OBD_IOC_ATTACH _IOWR('f', 20, long)
-#define OBD_IOC_DETACH _IOWR('f', 21, long)
-#define OBD_IOC_COPY _IOWR('f', 22, long)
-#define OBD_IOC_MIGR _IOWR('f', 23, long)
-#define OBD_IOC_PUNCH _IOWR('f', 24, long)
-
-#define OBD_IOC_DEC_FS_USE_COUNT _IO ('f', 32 )
+static inline struct ptlrpc_connection *class_rd2conn(struct recovd_data *rd)
+{
+ /* reuse list_entry's member-pointer offset stuff */
+ return list_entry(rd, struct ptlrpc_connection, c_recovd_data);
+}
+#endif
/* sysctl.c */
extern void obd_sysctl_init (void);
extern void obd_sysctl_clean (void);
-#define CHKCONN(conn) do { if (!gen_client(conn)) {\
- printk("%s %d invalid client %u\n", __FILE__, __LINE__, \
- conn->oc_id);\
- return -EINVAL; }} while (0)
-
-
-
+/* uuid.c */
+typedef __u8 class_uuid_t[16];
+//int class_uuid_parse(obd_uuid_t in, class_uuid_t out);
+void class_uuid_unparse(class_uuid_t in, obd_uuid_t out);
#endif /* __LINUX_CLASS_OBD_H */