#ifndef __LINUX_CLASS_OBD_H
#define __LINUX_CLASS_OBD_H
+/*
+ * Copyright (C) 2001 Cluster File Systems, Inc.
+ *
+ * This code is issued under the GNU General Public License.
+ * See the file COPYING in this distribution
+ */
+#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/lustre_lib.h>
+#include <linux/lustre_idl.h>
#include <linux/obd.h>
+#endif
+
+/*
+ * ======== OBD Device Declarations ===========
+ */
+#define MAX_OBD_DEVICES 8
+#define MAX_MULTI 16
+extern struct obd_device obd_dev[MAX_OBD_DEVICES];
+
+#define OBD_ATTACHED 0x1
+#define OBD_SET_UP 0x2
+
+struct obd_conn {
+ struct obd_device *oc_dev;
+ uint32_t oc_id;
+};
+
+typedef struct {
+ uint32_t len;
+ char * name;
+ struct dentry *dentry; /* file system obd device names */
+ __u8 _uuid[16]; /* uuid obd device names */
+} obd_devicename;
#include <linux/obd_ext2.h>
+#include <linux/obd_filter.h>
+#include <linux/lustre_mds.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_ost.h>
+#ifdef __KERNEL__
+/* 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 filter_obd filter;
+ struct mds_obd mds;
+ struct raid1_obd raid1;
+ struct snap_obd snap;
+ struct trace_obd trace;
+ struct ost_obd ost;
+ struct osc_obd osc;
+ } u;
+};
+
+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 type Declarations ===========
+ * ======== OBD Operations Declarations ===========
*/
-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_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, struct page **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);
+ int (*o_dmaread)(struct obd_conn *conn, int count, struct obd_buf **dest,
+ struct obd_bufref **source);
+ int (*o_pre_dmawrite)(struct obd_conn *conn, int count, struct obd_buf **dstbufs,
+ struct obd_bufref **dest);
+ int (*o_dmawrite)(struct obd_conn *conn, int count, struct obd_buf **dstbufs,
+ struct obd_buf **dest);
};
-#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))
+struct obd_request {
+ struct obdo *oa;
+ struct obd_conn *conn;
+ __u32 plen1;
+ char *pbuf1;
+};
-/*
- * ======== OBD Device Declarations ===========
- */
+static inline int obd_check_conn(struct obd_conn *conn)
+{
+ struct obd_device *obd;
+ if (!conn) {
+ printk("obd_check_conn: NULL conn\n");
+ return -ENOTCONN;
+ }
+ obd = conn->oc_dev;
+ if (!obd) {
+ printk("obd_check_conn: NULL obd\n");
+ return -ENODEV;
+ }
+ if (!obd->obd_flags & OBD_ATTACHED ) {
+ printk("obd_check_conn: obd %d not attached\n", obd->obd_minor);
+ return -ENODEV;
+ }
-#define OBD_PSDEV_MAJOR 186
-#define MAX_OBD_DEVICES 8
-#define MAX_MULTI 16
+ if (!obd->obd_flags & OBD_SET_UP) {
+ printk("obd_check_conn: obd %d not setup\n", obd->obd_minor);
+ return -ENODEV;
+ }
+ if (!obd->obd_type) {
+ printk("obd_check_conn: obd %d not typed\n", obd->obd_minor);
+ return -ENODEV;
+ }
-extern struct obd_device obd_dev[MAX_OBD_DEVICES];
+ if (!obd->obd_type->typ_ops) {
+ printk("obd_check_conn: obd %d no operations\n", obd->obd_minor);
+ return -EOPNOTSUPP;
+ }
+ return 0;
+}
+#define OBT(dev) dev->obd_type->typ_ops
+#define OBP(dev,op) dev->obd_type->typ_ops->o_ ## op
-#define OBD_ATTACHED 0x1
-#define OBD_SET_UP 0x2
+#define OBD_CHECK_OP(conn,op) do { \
+ int rc = obd_check_conn(conn);\
+ if (rc) { printk("obd: error in operation: " #op "\n"); return rc; }\
+ if (!OBP(conn->oc_dev,op)) { printk("obd_" #op ": dev %d no operation\n", conn->oc_dev->obd_minor); \
+ return -EOPNOTSUPP;\
+ }\
+} while (0)
-struct obd_conn {
- struct obd_device *oc_dev;
- uint32_t oc_id;
-};
+static inline int obd_get_info(struct obd_conn *conn, obd_count keylen, void *key,
+ obd_count *vallen, void **val)
+{
+ int rc;
+ OBD_CHECK_OP(conn,get_info);
+
+ rc = OBP(conn->oc_dev, get_info)(conn, keylen, key, vallen, val);
+ EXIT;
+ return rc;
+}
-/* 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;
-};
+static inline int obd_set_info(struct obd_conn *conn, obd_count keylen, void *key,
+ obd_count vallen, void *val)
+{
+ int rc;
+ OBD_CHECK_OP(conn,set_info);
+
+ rc = OBP(conn->oc_dev, set_info)(conn, keylen, key, vallen, val);
+ EXIT;
+ return rc;
+}
-/*
- * ======== OBD Operations Declarations ===========
- */
+static inline int obd_cleanup(struct obd_device *obd)
+{
+ struct obd_conn conn;
+ int rc;
+ conn.oc_dev = obd;
-#define OBD_BRW_READ (READ)
-#define OBD_BRW_WRITE (WRITE)
-#define OBD_BRW_RWMASK (READ | WRITE)
-#define OBD_BRW_CREATE (0x00000010UL)
+ OBD_CHECK_OP((&conn),cleanup);
+
+ rc = OBP(conn.oc_dev, cleanup)(obd);
+ EXIT;
+ return rc;
+}
-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);
-};
+static inline int obd_create(struct obd_conn *conn, struct obdo *obdo)
+{
+ int rc;
+ OBD_CHECK_OP(conn,create);
+
+ rc = OBP(conn->oc_dev, create)(conn, obdo);
+ EXIT;
+ return rc;
+}
+
+static inline int obd_destroy(struct obd_conn *conn, struct obdo *obdo)
+{
+ int rc;
+ OBD_CHECK_OP(conn,destroy);
+
+ rc = OBP(conn->oc_dev, destroy)(conn, obdo);
+ EXIT;
+ return rc;
+}
+
+static inline int obd_getattr(struct obd_conn *conn, struct obdo *obdo)
+{
+ int rc;
+ OBD_CHECK_OP(conn,getattr);
+
+ rc = OBP(conn->oc_dev, getattr)(conn, obdo);
+ EXIT;
+ return rc;
+}
+
+static inline int obd_setattr(struct obd_conn *conn, struct obdo *obdo)
+{
+ int rc;
+ OBD_CHECK_OP(conn,setattr);
+
+ rc = OBP(conn->oc_dev, setattr)(conn, obdo);
+ EXIT;
+ return rc;
+}
+
+static inline int obd_connect(struct obd_conn *conn)
+{
+ int rc;
+ OBD_CHECK_OP(conn,connect);
+
+ rc = OBP(conn->oc_dev, connect)(conn);
+ EXIT;
+ return rc;
+}
+
+static inline int obd_disconnect(struct obd_conn *conn)
+{
+ int rc;
+ OBD_CHECK_OP(conn,disconnect);
+
+ rc = OBP(conn->oc_dev, disconnect)(conn);
+ EXIT;
+ 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_statfs(struct obd_conn *conn, struct statfs *buf)
+{
+ int rc;
+ OBD_CHECK_OP(conn,statfs);
+
+ rc = OBP(conn->oc_dev, statfs)(conn, buf);
+ EXIT;
+ return rc;
+}
+
+static inline int obd_punch(struct obd_conn *conn, struct obdo *tgt, obd_size count, obd_off offset)
+{
+ int rc;
+ OBD_CHECK_OP(conn,punch);
+
+ rc = OBP(conn->oc_dev, punch)(conn, tgt, count, offset);
+ EXIT;
+ return rc;
+}
+
+static inline int obd_brw(int rw, struct obd_conn *conn, obd_count num_oa,
+ struct obdo **oa, obd_count *oa_bufs, struct page **buf,
+ obd_size *count, obd_off *offset, obd_flag *flags)
+{
+ int rc;
+ OBD_CHECK_OP(conn,brw);
+
+ rc = OBP(conn->oc_dev, brw)(rw, conn, num_oa, oa, oa_bufs, buf,
+ count, offset, flags);
+ EXIT;
+ return rc;
+}
+
+
+#endif
/* This value is not arbitrarily chosen. KIO_STATIC_PAGES from linux/iobuf.h */
-#define MAX_IOVEC (KIO_STATIC_PAGES - 1)
+#define MAX_IOVEC (KIO_STATIC_PAGES - 1)
/*
static inline int obdo_has_inline(struct obdo *obdo)
{
- return (obdo->o_valid & OBD_MD_FLINLINE &&
- obdo->o_obdflags & OBD_FL_INLINEDATA);
+ return (obdo->o_valid & OBD_MD_FLINLINE &&
+ 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);
+ 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)
{
- struct obdo *oa = NULL;
+ struct obdo *oa = NULL;
- oa = kmem_cache_alloc(obdo_cachep, SLAB_KERNEL);
- memset(oa, 0, sizeof (*oa));
+ oa = kmem_cache_alloc(obdo_cachep, SLAB_KERNEL);
+ memset(oa, 0, sizeof (*oa));
- return oa;
+ return oa;
}
static __inline__ void obdo_free(struct obdo *oa)
{
- if ( !oa )
- return;
- kmem_cache_free(obdo_cachep, 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)
+ obd_mode mode, 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;
+ struct obdo *oa;
+ int err;
+
+ ENTRY;
+ oa = obdo_alloc();
+ if ( !oa ) {
+ EXIT;
+ return ERR_PTR(-ENOMEM);
+ }
+
+ oa->o_id = id;
+ oa->o_mode = mode;
+ 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_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_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;
- }
+ 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_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 obdo_cpy_md(struct obdo *dst, struct obdo *src)
+static inline void iattr_from_obdo(struct iattr *attr, struct obdo *oa)
{
- CDEBUG(D_INFO, "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;
- }
- 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;
- }
-
- dst->o_valid |= src->o_valid;
+ unsigned int ia_valid = oa->o_valid;
+
+ memset(attr, 0, sizeof(*attr));
+ if (ia_valid & OBD_MD_FLATIME) {
+ attr->ia_atime = oa->o_atime;
+ attr->ia_valid |= ATTR_ATIME;
+ }
+ if (ia_valid & OBD_MD_FLMTIME) {
+ attr->ia_mtime = oa->o_mtime;
+ attr->ia_valid |= ATTR_MTIME;
+ }
+ if (ia_valid & OBD_MD_FLCTIME) {
+ attr->ia_ctime = oa->o_ctime;
+ attr->ia_valid |= ATTR_CTIME;
+ }
+ if (ia_valid & OBD_MD_FLSIZE) {
+ attr->ia_size = oa->o_size;
+ attr->ia_valid |= ATTR_SIZE;
+ }
+ if (ia_valid & OBD_MD_FLMODE) {
+ attr->ia_mode = oa->o_mode;
+ attr->ia_valid |= ATTR_MODE;
+ if (!in_group_p(oa->o_gid) && !capable(CAP_FSETID))
+ attr->ia_mode &= ~S_ISGID;
+ }
+ if (ia_valid & OBD_MD_FLUID)
+ {
+ attr->ia_uid = oa->o_uid;
+ attr->ia_valid |= ATTR_UID;
+ }
+ if (ia_valid & OBD_MD_FLGID) {
+ attr->ia_gid = oa->o_gid;
+ attr->ia_valid |= ATTR_GID;
+ }
}
+
+/* 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)
{
- if ( dst->o_valid & OBD_MD_FLID )
- dst->o_id = src->i_ino;
- if ( dst->o_valid & OBD_MD_FLATIME )
- dst->o_atime = src->i_atime;
- if ( dst->o_valid & OBD_MD_FLMTIME )
- dst->o_mtime = src->i_mtime;
- if ( dst->o_valid & OBD_MD_FLCTIME )
- dst->o_ctime = src->i_ctime;
- if ( dst->o_valid & OBD_MD_FLSIZE )
- dst->o_size = src->i_size;
- if ( dst->o_valid & OBD_MD_FLBLOCKS ) /* allocation of space */
- dst->o_blocks = src->i_blocks;
- if ( dst->o_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 )
- dst->o_uid = src->i_uid;
- if ( dst->o_valid & OBD_MD_FLGID )
- dst->o_gid = src->i_gid;
- if ( dst->o_valid & OBD_MD_FLFLAGS )
- dst->o_flags = src->i_flags;
- if ( dst->o_valid & OBD_MD_FLNLINK )
- dst->o_nlink = src->i_nlink;
- if ( dst->o_valid & OBD_MD_FLGENER )
- dst->o_generation = src->i_generation;
+ if ( dst->o_valid & OBD_MD_FLID )
+ dst->o_id = src->i_ino;
+ if ( dst->o_valid & OBD_MD_FLATIME )
+ dst->o_atime = src->i_atime;
+ if ( dst->o_valid & OBD_MD_FLMTIME )
+ dst->o_mtime = src->i_mtime;
+ if ( dst->o_valid & OBD_MD_FLCTIME )
+ dst->o_ctime = src->i_ctime;
+ if ( dst->o_valid & OBD_MD_FLSIZE )
+ dst->o_size = src->i_size;
+ if ( dst->o_valid & OBD_MD_FLBLOCKS ) /* allocation of space */
+ dst->o_blocks = src->i_blocks;
+ if ( dst->o_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 )
+ dst->o_uid = src->i_uid;
+ if ( dst->o_valid & OBD_MD_FLGID )
+ dst->o_gid = src->i_gid;
+ if ( dst->o_valid & OBD_MD_FLFLAGS )
+ dst->o_flags = src->i_flags;
+ if ( dst->o_valid & OBD_MD_FLNLINK )
+ dst->o_nlink = src->i_nlink;
+ if ( dst->o_valid & OBD_MD_FLGENER )
+ dst->o_generation = src->i_generation;
}
static __inline__ void obdo_to_inode(struct inode *dst, struct obdo *src)
{
- if ( src->o_valid & OBD_MD_FLID )
- dst->i_ino = src->o_id;
- if ( src->o_valid & OBD_MD_FLATIME )
- dst->i_atime = src->o_atime;
- if ( src->o_valid & OBD_MD_FLMTIME )
- dst->i_mtime = src->o_mtime;
- if ( src->o_valid & OBD_MD_FLCTIME )
- dst->i_ctime = src->o_ctime;
- if ( src->o_valid & OBD_MD_FLSIZE )
- dst->i_size = src->o_size;
- if ( src->o_valid & OBD_MD_FLBLOCKS ) /* allocation of space */
- dst->i_blocks = src->o_blocks;
- if ( src->o_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 )
- dst->i_uid = src->o_uid;
- if ( src->o_valid & OBD_MD_FLGID )
- dst->i_gid = src->o_gid;
- if ( src->o_valid & OBD_MD_FLFLAGS )
- dst->i_flags = src->o_flags;
- if ( src->o_valid & OBD_MD_FLNLINK )
- dst->i_nlink = src->o_nlink;
- if ( src->o_valid & OBD_MD_FLGENER )
- dst->i_generation = src->o_generation;
+ if ( src->o_valid & OBD_MD_FLID )
+ dst->i_ino = src->o_id;
+ if ( src->o_valid & OBD_MD_FLATIME )
+ dst->i_atime = src->o_atime;
+ if ( src->o_valid & OBD_MD_FLMTIME )
+ dst->i_mtime = src->o_mtime;
+ if ( src->o_valid & OBD_MD_FLCTIME )
+ dst->i_ctime = src->o_ctime;
+ if ( src->o_valid & OBD_MD_FLSIZE )
+ dst->i_size = src->o_size;
+ if ( src->o_valid & OBD_MD_FLBLOCKS ) /* allocation of space */
+ dst->i_blocks = src->o_blocks;
+ if ( src->o_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 )
+ dst->i_uid = src->o_uid;
+ if ( src->o_valid & OBD_MD_FLGID )
+ dst->i_gid = src->o_gid;
+ if ( src->o_valid & OBD_MD_FLFLAGS )
+ dst->i_flags = src->o_flags;
+ if ( src->o_valid & OBD_MD_FLNLINK )
+ dst->i_nlink = src->o_nlink;
+ if ( src->o_valid & OBD_MD_FLGENER )
+ dst->i_generation = src->o_generation;
}
+#endif
+
+static __inline__ void obdo_cpy_md(struct obdo *dst, struct obdo *src)
+{
+#ifdef __KERNEL__
+ CDEBUG(D_INODE, "src obdo %Ld valid 0x%x, dst obdo %Ld\n",
+ src->o_id, src->o_valid, dst->o_id);
+#endif
+ 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;
+ }
+ 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;
+ }
+
+ dst->o_valid |= src->o_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)
+ 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_FLMODE )
- res = (res || (dst->o_mode != src->o_mode));
- 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));
- if ( compare & OBD_MD_FLOBDMD )
- res = (res || memcmp(dst->o_obdmd, src->o_obdmd));
- */
- return res;
+ 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_FLMODE )
+ res = (res || (dst->o_mode != src->o_mode));
+ 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));
+ if ( compare & OBD_MD_FLOBDMD )
+ res = (res || memcmp(dst->o_obdmd, src->o_obdmd));
+ */
+ return res;
}
-
+#ifdef __KERNEL__
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 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;
+ struct list_head obd_prealloc_chain;
+ unsigned long inode;
};
/* generic operations shared by various OBD types */
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(struct obd_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;
-};
-
-
-#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 )
+ struct obd_conn *src_conn, struct obdo *src,
+ obd_size count, obd_off offset);
+#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)
+#define CHKCONN(conn) do { if (!gen_client(conn)) {\
+ printk("%s %d invalid client %u\n", __FILE__, __LINE__, \
+ conn->oc_id);\
+ return -EINVAL; }} while (0)
git://git.whamcloud.com / fs / lustre-release.git / blobdiff