*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
+ * version 2 as published by the Free Software Foundation.
*
* Adapted to become the Linux 2.0 Coda pseudo device
* Peter Braam <braam@maths.ox.ac.uk>
*/
#define EXPORT_SYMTAB
-
#include <linux/config.h> /* for CONFIG_PROC_FS */
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/list.h>
#include <asm/io.h>
-#include <asm/segment.h>
#include <asm/system.h>
#include <asm/poll.h>
#include <asm/uaccess.h>
+#include <linux/miscdevice.h>
#include <linux/obd_support.h>
#include <linux/obd_class.h>
struct obd_device obd_dev[MAX_OBD_DEVICES];
struct list_head obd_types;
-/* called when opening /dev/obdNNN */
+/* opening /dev/obd */
static int obd_class_open(struct inode * inode, struct file * file)
{
- int dev;
ENTRY;
- if (!inode)
- return -EINVAL;
- dev = MINOR(inode->i_rdev);
- if (dev >= MAX_OBD_DEVICES)
- return -ENODEV;
- obd_dev[dev].obd_refcnt++;
- CDEBUG(D_PSDEV, "Dev %d refcount now %d\n", dev,
- obd_dev[dev].obd_refcnt);
-
- obd_dev[dev].obd_proc_entry =
- proc_lustre_register_obd_device(&obd_dev[dev]);
-
+ file->private_data = NULL;
MOD_INC_USE_COUNT;
EXIT;
return 0;
}
-/* called when closing /dev/obdNNN */
+/* closing /dev/obd */
static int obd_class_release(struct inode * inode, struct file * file)
{
- int dev;
ENTRY;
- if (!inode)
- return -EINVAL;
- dev = MINOR(inode->i_rdev);
- if (dev >= MAX_OBD_DEVICES)
- return -ENODEV;
- fsync_dev(inode->i_rdev);
- if (obd_dev[dev].obd_refcnt <= 0)
- printk(KERN_ALERT __FUNCTION__ ": refcount(%d) <= 0\n",
- obd_dev[dev].obd_refcnt);
- obd_dev[dev].obd_refcnt--;
-
- if (obd_dev[dev].obd_proc_entry && (obd_dev[dev].obd_refcnt==0))
- proc_lustre_release_obd_device(&obd_dev[dev]);
-
- CDEBUG(D_PSDEV, "Dev %d refcount now %d\n", dev,
- obd_dev[dev].obd_refcnt);
- MOD_DEC_USE_COUNT;
+ if (file->private_data)
+ file->private_data = NULL;
+ MOD_DEC_USE_COUNT;
EXIT;
return 0;
}
return type;
}
-
-static int getdata(int len, void **data)
-{
- void *tmp = NULL;
-
- if (!len) {
- *data = NULL;
- return 0;
- }
-
- CDEBUG(D_MALLOC, "len %d, add %p\n", len, *data);
-
- OBD_ALLOC(tmp, void *, len);
- if ( !tmp )
- return -ENOMEM;
-
- memset(tmp, 0, len);
- if ( copy_from_user(tmp, *data, len)) {
- OBD_FREE(tmp, len);
- return -EFAULT;
- }
- *data = tmp;
-
- return 0;
-}
-
-/* to control /dev/obdNNN */
+/* to control /dev/obd */
static int obd_class_ioctl (struct inode * inode, struct file * filp,
unsigned int cmd, unsigned long arg)
{
- struct obd_device *obddev;
/* NOTE this must be larger than any of the ioctl data structs */
char buf[1024];
- void *tmp_buf = buf;
- struct obd_conn conn;
- int err, dev;
- long int cli_id; /* connect, disconnect */
-
- if (!inode) {
- CDEBUG(D_IOCTL, "invalid inode\n");
- return -EINVAL;
- }
-
- dev = MINOR(inode->i_rdev);
- if (dev > MAX_OBD_DEVICES)
- return -ENODEV;
- obddev = &obd_dev[dev];
- conn.oc_dev = obddev;
+ struct obd_ioctl_data *data;
+ struct obd_device *obd = filp->private_data;
+ struct obd_conn conn;
+ int err = 0;
+ ENTRY;
+
+ memset(buf, 0, sizeof(buf));
+
+ if (!obd && cmd != OBD_IOC_DEVICE && cmd != TCGETS) {
+ printk("OBD ioctl: No device\n");
+ return -EINVAL;
+ }
+ if (obd_ioctl_getdata(buf, buf + 800, (void *)arg)) {
+ printk("OBD ioctl: data error\n");
+ return -EINVAL;
+ }
+ data = (struct obd_ioctl_data *)buf;
switch (cmd) {
case TCGETS:
return -EINVAL;
+ case OBD_IOC_DEVICE: {
+ CDEBUG(D_IOCTL, "\n");
+ if (data->ioc_dev >= MAX_OBD_DEVICES ||
+ data->ioc_dev < 0) {
+ printk("OBD ioctl: DEVICE insufficient devices\n");
+ return -EINVAL;
+ }
+ CDEBUG(D_IOCTL, "device %d\n", data->ioc_dev);
+
+ filp->private_data = &obd_dev[data->ioc_dev];
+ EXIT;
+ return 0;
+ }
+
case OBD_IOC_ATTACH: {
struct obd_type *type;
- struct oic_generic *input = tmp_buf;
- char *nm;
ENTRY;
/* have we attached a type to this device */
- if ( obddev->obd_type ||
- (obddev->obd_flags & OBD_ATTACHED) ){
- char *name;
- if (obddev->obd_type->typ_name)
- name = obddev->obd_type->typ_name;
- else
- name = "";
- CDEBUG(D_IOCTL,
- "OBD Device %d already attached to type %s.\n",
- dev, name);
- EXIT;
+ if ( obd->obd_type || (obd->obd_flags & OBD_ATTACHED) ){
+ printk("OBD: Device %d already typed as %s.\n",
+ obd->obd_minor, MKSTR(obd->obd_type->typ_name));
return -EBUSY;
}
- /* get data structures */
- err = copy_from_user(input, (void *)arg, sizeof(*input));
- if ( err ) {
- EXIT;
- return err;
- }
-
- err = getdata(input->att_typelen + 1, &input->att_type);
- if ( err ) {
- EXIT;
- return err;
- }
+ printk("-----> attach %s %s\n", MKSTR(data->ioc_inlbuf1),
+ MKSTR(data->ioc_inlbuf2));
/* find the type */
- nm = input->att_type;
- type = obd_nm_to_type(nm);
-
- OBD_FREE(input->att_type, input->att_typelen + 1);
+ type = obd_nm_to_type(data->ioc_inlbuf1);
if ( !type ) {
- printk(__FUNCTION__ ": unknown obd type dev %d\n",
- dev);
- EXIT;
+ printk("OBD: unknown type dev %d\n", obd->obd_minor);
return -EINVAL;
}
- obddev->obd_type = type;
-
- /* get the attach data */
- err = getdata(input->att_datalen, &input->att_data);
- if ( err ) {
- EXIT;
- return err;
- }
- INIT_LIST_HEAD(&obddev->obd_gen_clients);
- obddev->obd_multi_count = 0;
-
- CDEBUG(D_IOCTL, "Attach %d, datalen %d, type %s\n",
- dev, input->att_datalen, obddev->obd_type->typ_name);
- /* maybe we are done */
- if ( !OBT(obddev) || !OBP(obddev, attach) ) {
- obddev->obd_flags |= OBD_ATTACHED;
- type->typ_refcnt++;
- CDEBUG(D_PSDEV, "Dev %d refcount now %d\n", dev,
- type->typ_refcnt);
- if (input->att_data)
- OBD_FREE(input->att_data, input->att_datalen);
- MOD_INC_USE_COUNT;
- EXIT;
- return 0;
- }
+ obd->obd_type = type;
+ obd->obd_multi_count = 0;
+ INIT_LIST_HEAD(&obd->obd_gen_clients);
/* do the attach */
- err = OBP(obddev, attach)(obddev, input->att_datalen,
- input->att_data);
- if (input->att_data)
- OBD_FREE(input->att_data, input->att_datalen);
+ if ( OBT(obd) && OBP(obd, attach) ) {
+ err = OBP(obd, attach)(obd, data);
+ }
if ( err ) {
- obddev->obd_flags &= ~OBD_ATTACHED;
- obddev->obd_type = NULL;
+ obd->obd_flags &= ~OBD_ATTACHED;
+ obd->obd_type = NULL;
EXIT;
} else {
- obddev->obd_flags |= OBD_ATTACHED;
+ obd->obd_flags |= OBD_ATTACHED;
type->typ_refcnt++;
- CDEBUG(D_PSDEV, "Dev %d refcount now %d\n", dev,
- type->typ_refcnt);
+ printk("OBD: dev %d attached type %s\n",
+ obd->obd_minor, data->ioc_inlbuf1);
+ obd->obd_proc_entry =
+ proc_lustre_register_obd_device(obd);
MOD_INC_USE_COUNT;
EXIT;
}
+
return err;
}
case OBD_IOC_DETACH: {
-
ENTRY;
- if (obddev->obd_flags & OBD_SET_UP) {
- EXIT;
+ if (obd->obd_flags & OBD_SET_UP) {
+ printk("OBD device %d still set up\n", obd->obd_minor);
return -EBUSY;
}
- if (! (obddev->obd_flags & OBD_ATTACHED) ) {
- CDEBUG(D_IOCTL, "Device not attached\n");
- EXIT;
+ if (! (obd->obd_flags & OBD_ATTACHED) ) {
+ printk("OBD device %d not attached\n", obd->obd_minor);
return -ENODEV;
}
- if ( !list_empty(&obddev->obd_gen_clients) ) {
- CDEBUG(D_IOCTL, "Device has connected clients\n");
- EXIT;
+ if ( !list_empty(&obd->obd_gen_clients) ) {
+ printk("OBD device %d has connected clients\n", obd->obd_minor);
return -EBUSY;
}
- CDEBUG(D_PSDEV, "Detach %d, type %s\n", dev,
- obddev->obd_type->typ_name);
- obddev->obd_flags &= ~OBD_ATTACHED;
- obddev->obd_type->typ_refcnt--;
- CDEBUG(D_PSDEV, "Dev %d refcount now %d\n", dev,
- obddev->obd_type->typ_refcnt);
- obddev->obd_type = NULL;
+ if (obd->obd_proc_entry)
+ proc_lustre_release_obd_device(obd);
+
+ obd->obd_flags &= ~OBD_ATTACHED;
+ obd->obd_type->typ_refcnt--;
+ obd->obd_type = NULL;
MOD_DEC_USE_COUNT;
EXIT;
return 0;
}
case OBD_IOC_SETUP: {
- struct ioc_setup {
- int setup_datalen;
- int setup_rdev;
- void *setup_data;
- } *setup;
-
- setup = tmp_buf;
-
-
ENTRY;
- /* have we attached a type to this device */
- if (!(obddev->obd_flags & OBD_ATTACHED)) {
- CDEBUG(D_IOCTL, "Device not attached\n");
- EXIT;
+ /* have we attached a type to this device? */
+ if (!(obd->obd_flags & OBD_ATTACHED)) {
+ printk("Device %d not attached\n", obd->obd_minor);
return -ENODEV;
}
/* has this been done already? */
- if ( obddev->obd_flags & OBD_SET_UP ) {
- CDEBUG(D_IOCTL, "Device %d already setup (type %s)\n",
- dev, obddev->obd_type->typ_name);
- EXIT;
+ if ( obd->obd_flags & OBD_SET_UP ) {
+ printk("Device %d already setup (type %s)\n",
+ obd->obd_minor, obd->obd_type->typ_name);
return -EBUSY;
}
- /* get main structure */
- err = copy_from_user(setup, (void *) arg, sizeof(*setup));
- if (err) {
- EXIT;
- return err;
- }
-
- /* get the attach data */
- err = getdata(setup->setup_datalen, &setup->setup_data);
- if ( err ) {
- EXIT;
- return err;
- }
- obddev->obd_rdev = setup->setup_rdev;
- obddev->obd_user_name = (char *)setup->setup_data;
-
- /* do the setup */
- if ( !OBT(obddev) || !OBP(obddev, setup) ) {
- obddev->obd_type->typ_refcnt++;
- CDEBUG(D_PSDEV, "Dev %d refcount now %d\n",
- dev, obddev->obd_type->typ_refcnt);
- if (setup->setup_data)
- OBD_FREE(setup->setup_data,
- setup->setup_datalen);
- obddev->obd_flags |= OBD_SET_UP;
- EXIT;
- return 0;
- }
+ if ( OBT(obd) && OBP(obd, setup) )
+ err = OBP(obd, setup)(obd, data);
- CDEBUG(D_PSDEV, "Setup %d, type %s device %x, %s, len %d\n", dev,
- obddev->obd_type->typ_name, setup->setup_rdev,
- obddev->obd_user_name, setup->setup_datalen);
+ if (!err) {
+ obd->obd_type->typ_refcnt++;
+ obd->obd_flags |= OBD_SET_UP;
+ EXIT;
+ }
- err = OBP(obddev, setup)(obddev, 0, NULL);
-
- if ( err ) {
- obddev->obd_flags &= ~OBD_SET_UP;
- EXIT;
- } else {
- obddev->obd_type->typ_refcnt++;
- CDEBUG(D_PSDEV, "Dev %d refcount now %d\n",
- dev, obddev->obd_type->typ_refcnt);
- obddev->obd_flags |= OBD_SET_UP;
- EXIT;
- }
- // OBD_FREE(setup->setup_data, setup->setup_datalen);
return err;
}
case OBD_IOC_CLEANUP: {
ENTRY;
/* has this minor been registered? */
- if (!obddev->obd_type) {
- CDEBUG(D_IOCTL, "OBD Device %d has no type.\n", dev);
+ if (!obd->obd_type) {
+ printk("OBD cleanup dev %d has no type.\n",
+ obd->obd_minor);
EXIT;
return -ENODEV;
}
- if ( !obddev->obd_type->typ_refcnt ) {
- CDEBUG(D_IOCTL, "dev %d has refcount (%d)!\n",
- dev, obddev->obd_type->typ_refcnt);
- EXIT;
- return -EBUSY;
- }
-
- if ( (!(obddev->obd_flags & OBD_SET_UP)) ||
- (!(obddev->obd_flags & OBD_ATTACHED))) {
- CDEBUG(D_IOCTL, "device not attached or set up\n");
+ if ( (!(obd->obd_flags & OBD_SET_UP)) ||
+ (!(obd->obd_flags & OBD_ATTACHED))) {
+ printk("OBD cleanup device %d not attached/set up\n",
+ obd->obd_minor);
EXIT;
return -ENODEV;
}
- if ( !OBT(obddev) || !OBP(obddev, cleanup) )
+ if ( !OBT(obd) || !OBP(obd, cleanup) )
goto cleanup_out;
/* cleanup has no argument */
- err = OBP(obddev, cleanup)(obddev);
+ err = OBP(obd, cleanup)(obd);
if ( err ) {
EXIT;
return err;
}
cleanup_out:
- obddev->obd_flags &= ~OBD_SET_UP;
- obddev->obd_type->typ_refcnt--;
- CDEBUG(D_PSDEV, "Dev %d refcount now %d\n", dev,
- obddev->obd_type->typ_refcnt);
+ obd->obd_flags &= ~OBD_SET_UP;
+ obd->obd_type->typ_refcnt--;
EXIT;
return 0;
}
+
case OBD_IOC_CONNECT:
{
- if ( (!(obddev->obd_flags & OBD_SET_UP)) ||
- (!(obddev->obd_flags & OBD_ATTACHED))) {
+ if ( (!(obd->obd_flags & OBD_SET_UP)) ||
+ (!(obd->obd_flags & OBD_ATTACHED))) {
CDEBUG(D_IOCTL, "Device not attached or set up\n");
return -ENODEV;
}
- if ( !OBT(obddev) || !OBP(obddev, connect) )
+ if ( !OBT(obd) || !OBP(obd, connect) )
return -EOPNOTSUPP;
+
+ conn.oc_id = data->ioc_conn1;
+ conn.oc_dev = obd;
- err = OBP(obddev, connect)(&conn);
+ err = OBP(obd, connect)(&conn);
+ CDEBUG(D_IOCTL, "assigned connection %d\n", conn.oc_id);
+ data->ioc_conn1 = conn.oc_id;
if ( err )
return err;
- return copy_to_user((int *)arg, &conn.oc_id,
- sizeof(uint32_t));
+ return copy_to_user((int *)arg, data, sizeof(*data));
}
- case OBD_IOC_DISCONNECT:
- /* frees data structures */
- /* has this minor been registered? */
- if (!obddev->obd_type)
- return -ENODEV;
+ case OBD_IOC_DISCONNECT: {
- get_user(cli_id, (int *) arg);
- conn.oc_id = cli_id;
+ if (!obd->obd_type)
+ return -ENODEV;
- if ( !OBT(obddev) || !OBP(obddev, disconnect))
+ if ( !OBT(obd) || !OBP(obd, disconnect))
return -EOPNOTSUPP;
- OBP(obddev, disconnect)(&conn);
+ conn.oc_id = data->ioc_conn1;
+ conn.oc_dev = obd;
+ OBP(obd, disconnect)(&conn);
return 0;
-
- case OBD_IOC_DEC_USE_COUNT:
+ }
+
+ case OBD_IOC_DEC_USE_COUNT: {
MOD_DEC_USE_COUNT;
return 0;
+ }
+
+ case OBD_IOC_CREATE: {
+ /* has this minor been registered? */
+ if ( !(obd->obd_flags & OBD_ATTACHED) ||
+ !(obd->obd_flags & OBD_SET_UP)) {
+ CDEBUG(D_IOCTL, "Device not attached or set up\n");
+ return -ENODEV;
+ }
+ conn.oc_id = data->ioc_conn1;
+ conn.oc_dev = obd;
+
+ if ( !OBT(obd) || !OBP(obd, create) )
+ return -EOPNOTSUPP;
+
+ err = OBP(obd, create)(&conn, &data->ioc_obdo1);
+ if (err) {
+ EXIT;
+ return err;
+ }
+ err = copy_to_user((int *)arg, data, sizeof(*data));
+ EXIT;
+ return err;
+ }
+#if 0
case OBD_IOC_SYNC: {
struct oic_range_s *range = tmp_buf;
- if (!obddev->obd_type)
+ if (!obd->obd_type)
return -ENODEV;
err = copy_from_user(range, (const void *)arg, sizeof(*range));
return err;
}
- if ( !OBT(obddev) || !OBP(obddev, sync) ) {
+ if ( !OBT(obd) || !OBP(obd, sync) ) {
err = -EOPNOTSUPP;
EXIT;
return err;
}
/* XXX sync needs to be tested/verified */
- err = OBP(obddev, sync)(&conn, &range->obdo, range->count,
+ err = OBP(obd, sync)(&conn, &range->obdo, range->count,
range->offset);
if ( err ) {
return put_user(err, (int *) arg);
}
- case OBD_IOC_CREATE: {
- struct oic_attr_s *attr = tmp_buf;
-
- err = copy_from_user(attr, (const void *)arg, sizeof(*attr));
- if (err) {
- EXIT;
- return err;
- }
-
- /* has this minor been registered? */
- if ( !(obddev->obd_flags & OBD_ATTACHED) ||
- !(obddev->obd_flags & OBD_SET_UP)) {
- CDEBUG(D_IOCTL, "Device not attached or set up\n");
- return -ENODEV;
- }
- conn.oc_id = attr->conn_id;
-
- if ( !OBT(obddev) || !OBP(obddev, create) )
- return -EOPNOTSUPP;
-
- err = OBP(obddev, create)(&conn, &attr->obdo);
- if (err) {
- EXIT;
- return err;
- }
-
- err = copy_to_user((int *)arg, attr, sizeof(*attr));
- EXIT;
- return err;
- }
case OBD_IOC_DESTROY: {
struct oic_attr_s *attr = tmp_buf;
/* has this minor been registered? */
- if (!obddev->obd_type)
+ if (!obd->obd_type)
return -ENODEV;
err = copy_from_user(attr, (int *)arg, sizeof(*attr));
return err;
}
- if ( !OBT(obddev) || !OBP(obddev, destroy) )
+ if ( !OBT(obd) || !OBP(obd, destroy) )
return -EOPNOTSUPP;
conn.oc_id = attr->conn_id;
- err = OBP(obddev, destroy)(&conn, &attr->obdo);
+ err = OBP(obd, destroy)(&conn, &attr->obdo);
EXIT;
return err;
}
struct oic_attr_s *attr = tmp_buf;
/* has this minor been registered? */
- if (!obddev->obd_type)
+ if (!obd->obd_type)
return -ENODEV;
err = copy_from_user(attr, (int *)arg, sizeof(*attr));
if (err)
return err;
- if ( !OBT(obddev) || !OBP(obddev, setattr) )
+ if ( !OBT(obd) || !OBP(obd, setattr) )
return -EOPNOTSUPP;
conn.oc_id = attr->conn_id;
- err = OBP(obddev, setattr)(&conn, &attr->obdo);
+ err = OBP(obd, setattr)(&conn, &attr->obdo);
EXIT;
return err;
}
conn.oc_id = attr->conn_id;
ODEBUG(&attr->obdo);
- err = OBP(obddev, getattr)(&conn, &attr->obdo);
+ err = OBP(obd, getattr)(&conn, &attr->obdo);
if ( err ) {
EXIT;
return err;
conn.oc_id = rw_s->conn_id;
- if ( !OBT(obddev) || !OBP(obddev, read) ) {
+ if ( !OBT(obd) || !OBP(obd, read) ) {
err = -EOPNOTSUPP;
EXIT;
return err;
}
- err = OBP(obddev, read)(&conn, &rw_s->obdo, rw_s->buf,
+ err = OBP(obd, read)(&conn, &rw_s->obdo, rw_s->buf,
&rw_s->count, rw_s->offset);
ODEBUG(&rw_s->obdo);
conn.oc_id = rw_s->conn_id;
- if ( !OBT(obddev) || !OBP(obddev, write) ) {
+ if ( !OBT(obd) || !OBP(obd, write) ) {
err = -EOPNOTSUPP;
return err;
}
CDEBUG(D_INFO, "WRITE: conn %d, count %Ld, offset %Ld, '%s'\n",
rw_s->conn_id, rw_s->count, rw_s->offset, rw_s->buf);
- err = OBP(obddev, write)(&conn, &rw_s->obdo, rw_s->buf,
+ err = OBP(obd, write)(&conn, &rw_s->obdo, rw_s->buf,
&rw_s->count, rw_s->offset);
ODEBUG(&rw_s->obdo);
if ( err ) {
struct oic_prealloc_s *prealloc = tmp_buf;
/* has this minor been registered? */
- if (!obddev->obd_type)
+ if (!obd->obd_type)
return -ENODEV;
err = copy_from_user(prealloc, (int *)arg, sizeof(*prealloc));
if (err)
return -EFAULT;
- if ( !(obddev->obd_flags & OBD_ATTACHED) ||
- !(obddev->obd_flags & OBD_SET_UP)) {
+ if ( !(obd->obd_flags & OBD_ATTACHED) ||
+ !(obd->obd_flags & OBD_SET_UP)) {
CDEBUG(D_IOCTL, "Device not attached or set up\n");
return -ENODEV;
}
- if ( !OBT(obddev) || !OBP(obddev, preallocate) )
+ if ( !OBT(obd) || !OBP(obd, preallocate) )
return -EOPNOTSUPP;
conn.oc_id = prealloc->conn_id;
- err = OBP(obddev, preallocate)(&conn, &prealloc->alloc,
+ err = OBP(obd, preallocate)(&conn, &prealloc->alloc,
prealloc->ids);
if ( err ) {
EXIT;
struct statfs buf;
/* has this minor been registered? */
- if (!obddev->obd_type)
+ if (!obd->obd_type)
return -ENODEV;
tmp = (void *)arg + sizeof(unsigned int);
get_user(conn_id, (int *) arg);
- if ( !OBT(obddev) || !OBP(obddev, statfs) )
+ if ( !OBT(obd) || !OBP(obd, statfs) )
return -EOPNOTSUPP;
conn.oc_id = conn_id;
- err = OBP(obddev, statfs)(&conn, &buf);
+ err = OBP(obd, statfs)(&conn, &buf);
if ( err ) {
EXIT;
return err;
case OBD_IOC_COPY: {
struct ioc_mv_s *mvdata = tmp_buf;
- if ( (!(obddev->obd_flags & OBD_SET_UP)) ||
- (!(obddev->obd_flags & OBD_ATTACHED))) {
+ if ( (!(obd->obd_flags & OBD_SET_UP)) ||
+ (!(obd->obd_flags & OBD_ATTACHED))) {
CDEBUG(D_IOCTL, "Device not attached or set up\n");
return -ENODEV;
}
return err;
}
- if ( !OBT(obddev) || !OBP(obddev, copy) )
+ if ( !OBT(obd) || !OBP(obd, copy) )
return -EOPNOTSUPP;
/* do the partition */
CDEBUG(D_INFO, "Copy %d, type %s dst %Ld src %Ld\n", dev,
- obddev->obd_type->typ_name, mvdata->dst.o_id,
+ obd->obd_type->typ_name, mvdata->dst.o_id,
mvdata->src.o_id);
conn.oc_id = mvdata->src_conn_id;
- err = OBP(obddev, copy)(&conn, &mvdata->dst,
+ err = OBP(obd, copy)(&conn, &mvdata->dst,
&conn, &mvdata->src,
mvdata->src.o_size, 0);
return err;
case OBD_IOC_MIGR: {
struct ioc_mv_s *mvdata = tmp_buf;
- if ( (!(obddev->obd_flags & OBD_SET_UP)) ||
- (!(obddev->obd_flags & OBD_ATTACHED))) {
+ if ( (!(obd->obd_flags & OBD_SET_UP)) ||
+ (!(obd->obd_flags & OBD_ATTACHED))) {
CDEBUG(D_IOCTL, "Device not attached or set up\n");
return -ENODEV;
}
CDEBUG(D_INFO, "Migrate copying %d bytes\n", sizeof(*mvdata));
- if ( !OBT(obddev) || !OBP(obddev, migrate) )
+ if ( !OBT(obd) || !OBP(obd, migrate) )
return -EOPNOTSUPP;
/* do the partition */
CDEBUG(D_INFO, "Migrate %d, type %s conn %d src %Ld dst %Ld\n",
- dev, obddev->obd_type->typ_name, mvdata->src_conn_id,
+ dev, obd->obd_type->typ_name, mvdata->src_conn_id,
mvdata->src.o_id, mvdata->dst.o_id);
conn.oc_id = mvdata->src_conn_id;
- err = OBP(obddev, migrate)(&conn, &mvdata->dst, &mvdata->src,
+ err = OBP(obd, migrate)(&conn, &mvdata->dst, &mvdata->src,
mvdata->src.o_size, 0);
return err;
conn.oc_id = rw_s->conn_id;
- if ( !OBT(obddev) || !OBP(obddev, punch) ) {
+ if ( !OBT(obd) || !OBP(obd, punch) ) {
err = -EOPNOTSUPP;
return err;
}
CDEBUG(D_INFO, "PUNCH: conn %d, count %Ld, offset %Ld\n",
rw_s->conn_id, rw_s->count, rw_s->offset);
- err = OBP(obddev, punch)(&conn, &rw_s->obdo, rw_s->count,
+ err = OBP(obd, punch)(&conn, &rw_s->obdo, rw_s->count,
rw_s->offset);
ODEBUG(&rw_s->obdo);
if ( err ) {
EXIT;
return err;
}
+#endif
+ default:
+ return -EINVAL;
+
}
} /* obd_class_ioctl */
/* modules setup */
+#define OBD_MINOR 241
+static struct miscdevice obd_psdev = {
+ OBD_MINOR,
+ "obd_psdev",
+ &obd_psdev_fops
+};
int init_obd(void)
{
INIT_LIST_HEAD(&obd_types);
- if (register_chrdev(OBD_PSDEV_MAJOR,"obd_psdev",
- &obd_psdev_fops)) {
- printk(KERN_ERR __FUNCTION__ ": unable to get major %d\n",
- OBD_PSDEV_MAJOR);
+ if ( (err = misc_register(&obd_psdev)) ) {
+ printk(KERN_ERR __FUNCTION__ ": cannot register %d err %d\n",
+ OBD_MINOR, err);
return -EIO;
}
int i;
ENTRY;
- unregister_chrdev(OBD_PSDEV_MAJOR, "obd_psdev");
+ misc_deregister(&obd_psdev);
for (i = 0; i < MAX_OBD_DEVICES; i++) {
- struct obd_device *obddev = &obd_dev[i];
- if ( obddev->obd_type &&
- (obddev->obd_flags & OBD_SET_UP) &&
- OBT(obddev) && OBP(obddev, detach) ) {
+ struct obd_device *obd = &obd_dev[i];
+ if ( obd->obd_type &&
+ (obd->obd_flags & OBD_SET_UP) &&
+ OBT(obd) && OBP(obd, detach) ) {
/* XXX should this call generic detach otherwise? */
- OBP(obddev, detach)(obddev);
+ OBP(obd, detach)(obd);
}
}