* 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/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>
-
-
-/*
- * ======== OBD type 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_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))
+#include <linux/lustre_lib.h>
+#include <linux/lustre_idl.h>
+#include <linux/obd.h>
+#endif
/*
* ======== OBD Device Declarations ===========
*/
-
-
-#define OBD_PSDEV_MAJOR 186
#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
__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_ost.h>
+
+#ifdef __KERNEL__
/* corresponds to one of the obdx */
struct obd_device {
struct obd_type *obd_type;
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 fc_obd fc; */
+ struct ost_obd ost;
+ struct osc_obd osc;
} u;
};
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 ===========
*/
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,
+ 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);
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);
+};
+
+struct obd_request {
+ struct obdo *oa;
+ struct obd_conn *conn;
+ __u32 plen1;
+ char *pbuf1;
};
+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;
+ }
+
+ 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;
+ }
+
+ 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_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)
+
+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;
+}
+
+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;
+}
+
+static inline int obd_cleanup(struct obd_device *obd)
+{
+ struct obd_conn conn;
+ int rc;
+ conn.oc_dev = obd;
+
+ OBD_CHECK_OP((&conn),cleanup);
+
+ rc = OBP(conn.oc_dev, cleanup)(obd);
+ EXIT;
+ return rc;
+}
+
+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;
+}
+
+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)
obdo->o_obdflags & OBD_FL_OBDMDEXISTS);
};
+#ifdef __KERNEL__
/* support routines */
extern kmem_cache_t *obdo_cachep;
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;
EXIT;
return ERR_PTR(-ENOMEM);
}
- memset(oa, 0, sizeof(*oa));
+
oa->o_id = id;
+ oa->o_mode = mode;
oa->o_valid = valid;
if ((err = OBP(conn->oc_dev, getattr)(conn, oa))) {
obdo_free(oa);
}
-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_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;
+ 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 ( 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 (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;
}
-
- dst->o_valid |= src->o_valid;
}
+
+/* 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->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)
}
-
+#ifdef __KERNEL__
int obd_register_type(struct obd_ops *ops, char *nm);
int obd_unregister_type(char *nm);
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_PUNCH _IOWR('f', 24, long)
-
-#define OBD_IOC_DEC_FS_USE_COUNT _IO ('f', 32 )
-
+#endif
/* sysctl.c */
extern void obd_sysctl_init (void);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff