#define OBD_PSDEV_MAJOR 120
-#define MAX_OBD_DEVICES 2
+#define MAX_OBD_DEVICES 8
#define MAX_MULTI 16
-typedef int objid;
+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;
+};
+
+#endif
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;
+ unsigned int oc_id;
+};
+
/* corresponds to one of the obdx */
struct obd_device {
struct obd_type *obd_type;
int obd_flags;
int obd_refcnt;
int obd_multi_count;
- struct obd_device *obd_multi_dev[MAX_MULTI];
- struct obd_conn_info obd_multi_conns[MAX_MULTI];
+ 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;
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_device *, struct obd_conn_info *info);
- int (*o_disconnect)(unsigned int conn_id);
+ 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)(unsigned int conn_id, unsigned long id, struct inode *iattr);
- int (*o_getattr)(unsigned int conn_id, unsigned long id, struct inode *iattr);
- int (*o_statfs)(unsigned int conn_id, struct statfs *statfs);
- int (*o_create)(int conn_id, int prealloc_ino, int *er);
- int (*o_destroy)(unsigned int conn_id, unsigned long ino);
- unsigned long (*o_read)(unsigned int conn_id, unsigned long ino, char *buf, unsigned long count, loff_t offset, int *err);
- unsigned long (*o_read2)(unsigned int conn_id, unsigned long ino, char *buf, unsigned long count, loff_t offset, int *err);
- unsigned long (*o_write)(unsigned int conn_id, unsigned long ino, char *buf, unsigned long count, loff_t offset, int *err);
- int (*o_brw)(int rw, int conn, obdattr *obj, struct page *page, int create);
- long (*o_preallocate)(unsigned int conn_id, int req, long inodes[32], int *err);
- int (*o_cleanup_device)(struct obd_device *);
- int (*o_get_info)(unsigned int conn_id, int keylen, void *key, int *vallen, void **val);
- int (*o_set_info)(unsigned int conn_id, int keylen, void *key, int vallen, void *val);
+ 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_ino, int *er);
+ int (*o_destroy)(struct obd_conn *, obdattr *oa);
+ int (*o_read)(struct obd_conn *, obdattr *ino, 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 *obj, 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 *src, obdattr *dst);
+ int (*o_copy)(struct obd_conn *dev, obdattr *source, obdattr *target);
+
};
#define OBP(dev,op) dev->obd_type->typ_ops->o_ ## op
struct list_head cli_prealloc_inodes;
};
+
struct obd_prealloc_inode {
struct list_head obd_prealloc_chain;
unsigned long inode;
};
/* generic operations shared by various OBD types */
-int gen_connect (struct obd_device *obddev,
- struct obd_conn_info * conninfo);
-int gen_disconnect(unsigned int conn_id);
+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(int cli_id);
-int gen_multi_cleanup_device(struct obd_device *obddev);
+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);
unsigned long ino;
struct iattr iattr;
};
+
+struct ioc_mv_s {
+ unsigned int conn_id;
+ objid src;
+ objid tgt;
+};
+
struct oic_rw_s {
unsigned int conn_id;
- unsigned long inode;
+ unsigned long id;
char * buf;
unsigned long count;
loff_t offset;
};
+
struct oic_partition {
int partition;
unsigned int size;
#define OBD_IOC_CREATE _IOR ('f', 3, long)
-#define OBD_IOC_SETUP_OBDDEV _IOW ('f', 4, 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_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 )
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)
+
+
+/* support routines */
+static __inline__ obdattr *obd_empty_oa(void)
+{
+ obdattr *res = NULL;
+ OBD_ALLOC(res, obdattr *, sizeof(*res));
+ return res;
+}
+
+static __inline__ void obd_free_oa(obdattr *oa)
+{
+ if ( !oa )
+ return;
+ OBD_FREE(oa,sizeof(*oa));
+}
+
+
+
+static __inline__ obdattr *obd_oa_fromid(struct obd_conn *conn, objid id)
+{
+ obdattr *res = NULL;
+
+ OBD_ALLOC(res, obdattr *, sizeof(*res));
+ if ( !res )
+ return NULL;
+
+ res->i_ino = id;
+ if (conn->oc_dev->obd_type->typ_ops->o_getattr(conn, res)) {
+ OBD_FREE(res, sizeof(*res));
+ return NULL;
+ }
+
+ return res;
+}
+
+/* #define obd_cpy_obdo(a,b) memcpy(a, b, sizeof(*a)) */
+
+static __inline__ void obd_cpy_appmd(obdattr *a, obdattr *b)
+{
+ a->i_mode = b->i_mode;
+ a->i_uid = b->i_uid;
+ a->i_gid = b->i_gid;
+ a->i_size = b->i_size;
+ a->i_atime = b->i_atime;
+ a->i_mtime = b->i_mtime;
+ a->i_ctime = b->i_ctime;
+ a->i_flags = b->i_flags;
+ /* allocation of space */
+ a->i_blocks = b->i_blocks;
+}
#endif /* __LINUX_CLASS_OBD_H */
char *this_char;
if (!options)
- goto out;
+ return;
for (this_char = strtok (options, ",");
this_char != NULL;
this_char = strtok (NULL, ",")) {
CDEBUG(D_SUPER, "this_char %s\n", this_char);
- if ( (!*dev && (*dev = obdfs_read_opt("device", this_char))) ||
+ if ( (!*dev && (*dev = obdfs_read_opt("device", this_char)))||
(!*vers && (*vers = obdfs_read_opt("version", this_char))) )
continue;
}
-
- out:
- if (!*dev) {
- *dev = "/dev/obd0";
- }
}
static int obdfs_getdev(char *devpath, int *dev)
sbi->osi_obd = obddev;
sbi->osi_ops = sbi->osi_obd->obd_type->typ_ops;
- error = sbi->osi_ops->o_connect(sbi->osi_obd, &sbi->osi_conn_info);
+ sbi->osi_conn.oc_dev = obddev;
+ error = sbi->osi_ops->o_connect(&sbi->osi_conn);
if ( error ) {
printk("OBDFS: cannot connect to %s\n", device);
goto error;
sbi->osi_super = sb;
- error = sbi->osi_ops->o_get_info(sbi->osi_conn_info.conn_id,
+ error = sbi->osi_ops->o_get_info(&sbi->osi_conn,
strlen("blocksize"),
"blocksize",
&scratch, (void *)&blocksize);
goto error;
}
- error = sbi->osi_ops->o_get_info(sbi->osi_conn_info.conn_id,
+ error = sbi->osi_ops->o_get_info(&sbi->osi_conn,
strlen("blocksize_bits"),
"blocksize_bits",
&scratch, (void *)&blocksize_bits);
goto error;
}
- error = sbi->osi_ops->o_get_info(sbi->osi_conn_info.conn_id,
+ error = sbi->osi_ops->o_get_info(&sbi->osi_conn,
strlen("root_ino"),
"root_ino",
&scratch, (void *)&root_ino);
int error;
ENTRY;
- error = IOPS(inode, getattr)(IID(inode), inode->i_ino, inode);
+ error = IOPS(inode, getattr)(IID(inode), inode);
if (error) {
printk("obdfs_read_inode: obd_getattr fails (%d)\n", error);
return;
}
-
+ CDEBUG(D_INODE, "ino %ld, COWFL %x\n", inode->i_ino, inode->i_flags & 0x0010000);
IDEBUG(inode);
inode->i_op = &obdfs_inode_ops;
return;
{
int error;
- error = IOPS(inode, setattr)(IID(inode), inode->i_ino, inode);
+ error = IOPS(inode, setattr)(IID(inode), inode);
if (error) {
printk("obdfs_write_inode: obd_setattr fails (%d)\n", error);
return;
}
-
+
return;
}
int error;
ENTRY;
- error = IOPS(inode, destroy)(IID(inode), inode->i_ino);
+ error = IOPS(inode, destroy)(IID(inode), inode);
if (error) {
printk("obdfs_delete_node: ibd_destroy fails (%d)\n", error);
return;
inode_to_iattr(inode, &saved_copy);
inode_setattr(inode, iattr);
- error = IOPS(inode, setattr)(IID(inode), inode->i_ino, inode);
+ error = IOPS(inode, setattr)(IID(inode), inode);
if ( error ) {
inode_setattr(inode, &saved_copy);
printk("obdfs_notify_change: obd_setattr fails (%d)\n", error);
return error;
}
+
+ CDEBUG(D_INODE, "inode blocks now %ld\n", inode->i_blocks);
EXIT;
return error;
}