+/* -*- 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/ext2_fs.h>
#include <linux/time.h>
-#include <linux/obd.h>
-
-#include <linux/obd_ext2.h>
-#include <linux/obd_snap.h>
-/* #include <linux/obd_fc.h> */
-#include <linux/obd_raid1.h>
-#include <linux/obd_rpc.h>
-
-
-#define OBD_PSDEV_MAJOR 186
-#define MAX_OBD_DEVICES 8
-#define MAX_MULTI 16
-
-typedef unsigned long objid;
-typedef struct inode obdattr;
-#if 0
-struct obdattr {
- objid oa_id;
- umode_t oa_mode;
- nlink_t oa_nlink;
- uid_t oa_uid;
- gid_t oa_gid;
- off_t oa_size;
- time_t oa_atime;
- time_t oa_mtime;
- time_t oa_ctime;
- unsigned long oa_blksize;
- unsigned long oa_blocks;
- char oa_data[116];
- struct obd_ops *oa_op;
-};
+#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 Device Declarations ===========
+ */
+#define MAX_OBD_DEVICES 128
extern struct obd_device obd_dev[MAX_OBD_DEVICES];
-
+#define OBD_ATTACHED 0x1
+#define OBD_SET_UP 0x2
+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 Operations Declarations ===========
+ */
-#define OBD_ATTACHED 0x1
-#define OBD_SET_UP 0x2
+#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);
+ }
+
+ 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);
+ }
+
+ 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;
+}
-struct obd_conn {
- struct obd_device *oc_dev;
- unsigned int oc_id;
-};
-/* corresponds to one of the obdx */
-struct obd_device {
- struct obd_type *obd_type;
- int obd_minor;
- int obd_flags;
- int obd_refcnt;
- 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 rpc_obd rpc;
- /* struct fc_obd fc; */
- } u;
-};
+#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;
-struct obd_ops {
- int (*o_attach)(struct obd_device *, int len, void *);
- int (*o_detach)(struct obd_device *);
- int (*o_format)(struct obd_device *, int len, void *);
- int (*o_partition)(struct obd_device *, int len, void *);
- int (*o_connect)(struct obd_conn *conn);
- int (*o_disconnect)(struct obd_conn *);
- int (*o_setup) (struct obd_device *dev, int len, void *data);
- int (*o_cleanup)(struct obd_device *dev);
- int (*o_setattr)(struct obd_conn *, obdattr *oa);
- int (*o_getattr)(struct obd_conn *, obdattr *oa);
- int (*o_statfs)(struct obd_conn *, struct statfs *statfs);
- int (*o_create)(struct obd_conn *, int prealloc_obj, objid *id);
- int (*o_destroy)(struct obd_conn *, obdattr *oa);
- int (*o_read)(struct obd_conn *, obdattr *oa, char *buf, unsigned long *count, loff_t offset);
- int (*o_read2)(struct obd_conn *, obdattr *oa, char *buf, unsigned long *count, loff_t offset);
- int (*o_write)(struct obd_conn *, obdattr *oa, char *buf, unsigned long *count, loff_t offset);
- int (*o_brw)(int rw, struct obd_conn * conn, obdattr *oa, struct page *page, int create);
- int (*o_preallocate)(struct obd_conn *, unsigned long *req, long inodes[32]);
- int (*o_get_info)(struct obd_conn *, int keylen, void *key, int *vallen, void **val);
- int (*o_set_info)(struct obd_conn *, int keylen, void *key, int vallen, void *val);
- int (*o_migrate)(struct obd_conn *, obdattr *dst, obdattr *src);
- int (*o_copy)(struct obd_conn *dev, obdattr *dst, obdattr *src);
- int (*o_iocontrol)(int cmd, struct obd_conn *, int len, void *karg, void *uarg);
- int (*o_iterate)(struct obd_conn *, int (*)(objid, void *), objid, void *);
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, get_info);
-};
+ rc = OBP(exp->exp_obd, get_info)(conn, keylen, key, vallen, val);
+ RETURN(rc);
+}
-#define OBT(dev) dev->obd_type->typ_ops
-#define OBP(dev,op) dev->obd_type->typ_ops->o_ ## op
+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;
-int obd_register_type(struct obd_ops *ops, char *nm);
-int obd_unregister_type(char *nm);
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, set_info);
-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;
-};
+ 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;
-struct obd_prealloc_inode {
- struct list_head obd_prealloc_chain;
- unsigned long inode;
-};
+ OBD_CHECK_OP(obd, setup);
-/* generic operations shared by various OBD types */
-int gen_connect (struct obd_conn *conn);
-int gen_disconnect(struct obd_conn *conn);
-int gen_multi_setup(struct obd_device *obddev, int len, void *data);
-int gen_multi_cleanup(struct obd_device *obddev);
-int gen_multi_attach(struct obd_device *obddev, int len, void *data);
-struct obd_client *gen_client(struct obd_conn *);
-int gen_multi_detach(struct obd_device *obddev);
-int gen_cleanup(struct obd_device *obddev);
-int gen_copy_data(struct obd_conn *, obdattr *source, obdattr *target);
+ 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);
-/*
- * ioctl commands
- */
-struct oic_generic {
- int att_connid;
- int att_typelen;
- void *att_type;
- int att_datalen;
- void *att_data;
-};
+ rc = OBP(obd, cleanup)(obd);
+ RETURN(rc);
+}
-struct oic_prealloc_s {
- unsigned long cli_id;
- unsigned long alloc; /* user sets it to the number of inodes requesting
- * to be preallocated. kernel sets it to the actual number
- * of succesfully preallocated inodes */
- long inodes[32]; /* actual inode numbers */
-};
+static inline int obd_create(struct lustre_handle *conn, struct obdo *obdo,
+ struct lov_stripe_md **ea)
+{
+ struct obd_export *exp;
+ int rc;
-struct oic_create_s {
- unsigned int conn_id;
- unsigned long prealloc;
-};
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, create);
-struct oic_attr_s {
- unsigned int conn_id;
- unsigned long ino;
- struct iattr iattr;
-};
+ rc = OBP(exp->exp_obd, create)(conn, obdo, ea);
+ RETURN(rc);
+}
-struct ioc_mv_s {
- unsigned int conn_id;
- objid src;
- objid dst;
-};
+static inline int obd_destroy(struct lustre_handle *conn, struct obdo *obdo,
+ struct lov_stripe_md *ea)
+{
+ struct obd_export *exp;
+ int rc;
-struct oic_rw_s {
- unsigned int conn_id;
- unsigned long id;
- char * buf;
- unsigned long count;
- loff_t offset;
-};
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, destroy);
-struct oic_partition {
- int partition;
- unsigned int size;
-};
+ 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;
-#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_DEC_FS_USE_COUNT _IO ('f', 32 )
+ OBD_CHECK_SETUP(conn, exp);
+ OBD_CHECK_OP(exp->exp_obd, getattr);
+ rc = OBP(exp->exp_obd, getattr)(conn, obdo, ea);
+ RETURN(rc);
+}
-/* sysctl.c */
-extern void obd_sysctl_init (void);
-extern void obd_sysctl_clean (void);
+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;
+
+ 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;
-#define CHKCONN(conn) do { if (!gen_client(conn)) {\
- printk("%s %d invalid client %u\n", __FILE__, __LINE__, \
- conn->oc_id);\
- return -EINVAL; }} while (0)
+ 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_caches(void);
+extern void obd_cleanup_caches(void);
+
+static inline int obdo_has_inline(struct obdo *obdo)
+{
+ return (obdo->o_valid & OBD_MD_FLINLINE &&
+ obdo->o_obdflags & OBD_FL_INLINEDATA);
+};
+
+#ifdef __KERNEL__
/* support routines */
-static __inline__ obdattr *obd_empty_oa(void)
+extern kmem_cache_t *obdo_cachep;
+static inline struct obdo *obdo_alloc(void)
{
- obdattr *res = NULL;
- OBD_ALLOC(res, obdattr *, sizeof(*res));
- memset(res, 0, sizeof (*res));
- return res;
+ 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)
+{
+ if (!oa)
+ return;
+ kmem_cache_free(obdo_cachep, oa);
+}
+
-static __inline__ void obd_free_oa(obdattr *oa)
+static inline void obdo_from_iattr(struct obdo *oa, struct iattr *attr)
{
- if ( !oa )
- return;
- OBD_FREE(oa,sizeof(*oa));
+ unsigned int ia_valid = attr->ia_valid;
+
+ if (ia_valid & ATTR_ATIME) {
+ oa->o_atime = attr->ia_atime;
+ oa->o_valid |= OBD_MD_FLATIME;
+ }
+ if (ia_valid & ATTR_MTIME) {
+ oa->o_mtime = attr->ia_mtime;
+ oa->o_valid |= OBD_MD_FLMTIME;
+ }
+ if (ia_valid & ATTR_CTIME) {
+ oa->o_ctime = attr->ia_ctime;
+ oa->o_valid |= OBD_MD_FLCTIME;
+ }
+ if (ia_valid & ATTR_SIZE) {
+ oa->o_size = attr->ia_size;
+ oa->o_valid |= OBD_MD_FLSIZE;
+ }
+ if (ia_valid & ATTR_MODE) {
+ oa->o_mode = attr->ia_mode;
+ 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) {
+ oa->o_uid = attr->ia_uid;
+ oa->o_valid |= OBD_MD_FLUID;
+ }
+ if (ia_valid & ATTR_GID) {
+ oa->o_gid = attr->ia_gid;
+ oa->o_valid |= OBD_MD_FLGID;
+ }
}
+static inline void iattr_from_obdo(struct iattr *attr, struct obdo *oa,
+ obd_flag valid)
+{
+ memset(attr, 0, sizeof(*attr));
+ if (valid & OBD_MD_FLATIME) {
+ attr->ia_atime = oa->o_atime;
+ attr->ia_valid |= ATTR_ATIME;
+ }
+ 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;
+ }
+}
-static __inline__ obdattr *obd_oa_fromid(struct obd_conn *conn, objid id)
+
+/* 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)
{
- obdattr *res = NULL;
+// if (valid & OBD_MD_FLID)
+// dst->o_id = src->i_ino;
+ if (valid & OBD_MD_FLATIME)
+ dst->o_atime = src->i_atime;
+ if (valid & OBD_MD_FLMTIME)
+ dst->o_mtime = src->i_mtime;
+ if (valid & OBD_MD_FLCTIME)
+ dst->o_ctime = src->i_ctime;
+ if (valid & OBD_MD_FLSIZE)
+ dst->o_size = src->i_size;
+ if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
+ dst->o_blocks = src->i_blocks;
+ if (valid & OBD_MD_FLBLKSZ)
+ dst->o_blksize = src->i_blksize;
+ 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 (valid & OBD_MD_FLGID)
+ dst->o_gid = src->i_gid;
+ if (valid & OBD_MD_FLFLAGS)
+ dst->o_flags = src->i_flags;
+ if (valid & OBD_MD_FLNLINK)
+ dst->o_nlink = src->i_nlink;
+ 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);
+}
- OBD_ALLOC(res, obdattr *, sizeof(*res));
- if ( !res ) {
- EXIT;
- return NULL;
- }
- memset(res, 0, sizeof(*res));
- res->i_ino = id;
- if (conn->oc_dev->obd_type->typ_ops->o_getattr(conn, res)) {
- OBD_FREE(res, sizeof(*res));
- EXIT;
- return NULL;
- }
- EXIT;
- return res;
+static inline void obdo_to_inode(struct inode *dst, struct obdo *src,
+ obd_flag valid)
+{
+// if (valid & OBD_MD_FLID)
+// dst->i_ino = src->o_id;
+ if (valid & OBD_MD_FLATIME)
+ dst->i_atime = src->o_atime;
+ if (valid & OBD_MD_FLMTIME)
+ dst->i_mtime = src->o_mtime;
+ if (valid & OBD_MD_FLCTIME)
+ dst->i_ctime = src->o_ctime;
+ if (valid & OBD_MD_FLSIZE)
+ dst->i_size = src->o_size;
+ if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
+ dst->i_blocks = src->o_blocks;
+ if (valid & OBD_MD_FLBLKSZ)
+ dst->i_blksize = src->o_blksize;
+ 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 (valid & OBD_MD_FLGID)
+ dst->i_gid = src->o_gid;
+ if (valid & OBD_MD_FLFLAGS)
+ dst->i_flags = src->o_flags;
+ if (valid & OBD_MD_FLNLINK)
+ dst->i_nlink = src->o_nlink;
+ if (valid & OBD_MD_FLGENER)
+ dst->i_generation = src->o_generation;
+ if (valid & OBD_MD_FLRDEV)
+ dst->i_rdev = src->o_rdev;
}
+#endif
-#define OBD_MD_NO (1UL) /* negates meaning of all flags */
-#define OBD_MD_ALL (OBD_MD_NO) /* passing NO with no other flags == ALL */
-#define OBD_MD_FLMODE (1UL<<1)
-#define OBD_MD_FLUID (1UL<<2)
-#define OBD_MD_FLGID (1UL<<3)
-#define OBD_MD_FLSIZE (1UL<<4)
-#define OBD_MD_FLATIME (1UL<<5)
-#define OBD_MD_FLMTIME (1UL<<6)
-#define OBD_MD_FLCTIME (1UL<<7)
-#define OBD_MD_FLFLAGS (1UL<<8)
-#define OBD_MD_FLBLOCKS (1UL<<9)
-#define OBD_MD_FLOBDMD (1UL<<10)
-
-
-static __inline__ void obdo_cpy_md(obdattr *dst, obdattr *src, int mask)
-{
- /* If the OBD_MD_NO flag is set, then we copy all EXCEPT those
- * fields given by the flags. The default is to copy the field
- * given by the flags.
- */
- if (mask & OBD_MD_NO)
- mask = ~mask;
-
- CDEBUG(D_INODE, "flags %x\n", mask);
- if ( mask & OBD_MD_FLMODE )
- dst->i_mode = src->i_mode;
- if ( mask & OBD_MD_FLUID )
- dst->i_uid = src->i_uid;
- if ( mask & OBD_MD_FLGID )
- dst->i_gid = src->i_gid;
- if ( mask & OBD_MD_FLSIZE )
- dst->i_size = src->i_size;
- if ( mask & OBD_MD_FLATIME )
- dst->i_atime = src->i_atime;
- if ( mask & OBD_MD_FLMTIME )
- dst->i_mtime = src->i_mtime;
- if ( mask & OBD_MD_FLCTIME )
- dst->i_ctime = src->i_ctime;
- if ( mask & OBD_MD_FLFLAGS )
- dst->i_flags = src->i_flags;
- /* allocation of space */
- if ( mask & OBD_MD_FLBLOCKS )
- dst->i_blocks = src->i_blocks;
- if ( mask & OBD_MD_FLOBDMD && src->i_blocks == 0 ) {
- CDEBUG(D_IOCTL, "copying inline data: ino %ld\n", dst->i_ino);
- memcpy(&dst->u.ext2_i.i_data, &src->u.ext2_i.i_data,
- sizeof(src->u.ext2_i.i_data));
- } else {
- CDEBUG(D_INODE, "XXXX cpy_obdmd: ino %ld iblocks not 0!\n",
- src->i_ino);
- }
+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;
}
-static __inline__ int obdo_cmp_md(obdattr *dst, obdattr *src, int mask)
-{
- int res = 1;
-
- /* If the OBD_MD_NO flag is set, then we copy all EXCEPT those
- * fields given by the flags. The default is to copy the field
- * given by the flags.
- */
- if (mask & OBD_MD_NO)
- mask = ~mask;
-
- if ( mask & OBD_MD_FLMODE )
- res = (res && (dst->i_mode == src->i_mode));
- if ( mask & OBD_MD_FLUID )
- res = (res && (dst->i_uid == src->i_uid));
- if ( mask & OBD_MD_FLGID )
- res = (res && (dst->i_gid == src->i_gid));
- if ( mask & OBD_MD_FLSIZE )
- res = (res && (dst->i_size == src->i_size));
- if ( mask & OBD_MD_FLATIME )
- res = (res && (dst->i_atime == src->i_atime));
- if ( mask & OBD_MD_FLMTIME )
- res = (res && (dst->i_mtime == src->i_mtime));
- if ( mask & OBD_MD_FLCTIME )
- res = (res && (dst->i_ctime == src->i_ctime));
- if ( mask & OBD_MD_FLFLAGS )
- res = (res && (dst->i_flags == src->i_flags));
- /* allocation of space */
- if ( mask & OBD_MD_FLBLOCKS )
- res = (res && (dst->i_blocks == src->i_blocks));
- return res;
+/* 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)
+{
+ int res = 0;
+
+ if ( compare & OBD_MD_FLATIME )
+ res = (res || (dst->o_atime != src->o_atime));
+ if ( compare & OBD_MD_FLMTIME )
+ res = (res || (dst->o_mtime != src->o_mtime));
+ if ( compare & OBD_MD_FLCTIME )
+ res = (res || (dst->o_ctime != src->o_ctime));
+ if ( compare & OBD_MD_FLSIZE )
+ res = (res || (dst->o_size != src->o_size));
+ if ( compare & OBD_MD_FLBLOCKS ) /* allocation of space */
+ 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) & ~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 )
+ res = (res || (dst->o_flags != src->o_flags));
+ if ( compare & OBD_MD_FLNLINK )
+ res = (res || (dst->o_nlink != src->o_nlink));
+ if ( compare & OBD_MD_FLGENER )
+ res = (res || (dst->o_generation != src->o_generation));
+ /* 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));
+ */
+ return res;
}
-static __inline__ void obd_cpy_appmd(obdattr *dst, obdattr *src)
+#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 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 *);
+
+static inline struct ptlrpc_connection *class_rd2conn(struct recovd_data *rd)
{
- dst->i_mode = src->i_mode;
- dst->i_uid = src->i_uid;
- dst->i_gid = src->i_gid;
- dst->i_size = src->i_size;
- dst->i_atime = src->i_atime;
- dst->i_mtime = src->i_mtime;
- dst->i_ctime = src->i_ctime;
- dst->i_flags = src->i_flags;
- /* allocation of space */
- dst->i_blocks = src->i_blocks;
+ /* 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);
+
+/* 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 */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff