Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#include <linux/module.h>
-#include <linux/kernel.h>
#include <linux/kthread.h>
-#include <linux/linkage.h>
#include <linux/raid/md.h>
#include <linux/raid/bitmap.h>
#include <linux/sysctl.h>
#include <linux/buffer_head.h> /* for invalidate_bdev */
#include <linux/poll.h>
-#include <linux/mutex.h>
#include <linux/ctype.h>
-#include <linux/freezer.h>
-
-#include <linux/init.h>
-
+#include <linux/hdreg.h>
+#include <linux/proc_fs.h>
+#include <linux/random.h>
+#include <linux/reboot.h>
#include <linux/file.h>
-
-#ifdef CONFIG_KMOD
-#include <linux/kmod.h>
-#endif
-
-#include <asm/unaligned.h>
+#include <linux/delay.h>
#define MAJOR_NR MD_MAJOR
-#define MD_DRIVER
/* 63 partitions with the alternate major number (mdp) */
#define MdpMinorShift 6
#ifndef MODULE
-static void autostart_arrays (int part);
+static void autostart_arrays(int part);
#endif
static LIST_HEAD(pers_list);
)
-static int md_fail_request (struct request_queue *q, struct bio *bio)
+static int md_fail_request(struct request_queue *q, struct bio *bio)
{
bio_io_error(bio);
return 0;
if (strict_strtoull(buf, 10, &size) < 0)
return -EINVAL;
- if (size < my_mddev->size)
- return -EINVAL;
if (my_mddev->pers && rdev->raid_disk >= 0) {
if (my_mddev->persistent) {
size = super_types[my_mddev->major_version].
size = (rdev->bdev->bd_inode->i_size >> 10);
size -= rdev->data_offset/2;
}
- if (size < my_mddev->size)
- return -EINVAL; /* component must fit device */
}
+ if (size < my_mddev->size)
+ return -EINVAL; /* component must fit device */
rdev->size = size;
if (size > oldsize && my_mddev->external) {
int i;
unsigned long msec;
char buf[30];
- char *e;
+
/* remove a period, and count digits after it */
if (len >= sizeof(buf))
return -EINVAL;
- strlcpy(buf, cbuf, len);
- buf[len] = 0;
+ strlcpy(buf, cbuf, sizeof(buf));
for (i=0; i<len; i++) {
if (dot) {
if (isdigit(buf[i])) {
buf[i] = 0;
}
}
- msec = simple_strtoul(buf, &e, 10);
- if (e == buf || (*e && *e != '\n'))
+ if (strict_strtoul(buf, 10, &msec) < 0)
return -EINVAL;
msec = (msec * 1000) / scale;
if (msec == 0)
break;
case read_auto:
if (mddev->pers) {
- if (mddev->ro != 1)
+ if (mddev->ro == 0)
err = do_md_stop(mddev, 1, 0);
- else
+ else if (mddev->ro == 1)
err = restart_array(mddev);
if (err == 0) {
mddev->ro = 2;
{
int major, minor;
char *e;
- if (!list_empty(&mddev->disks))
+ /* Changing the details of 'external' metadata is
+ * always permitted. Otherwise there must be
+ * no devices attached to the array.
+ */
+ if (mddev->external && strncmp(buf, "external:", 9) == 0)
+ ;
+ else if (!list_empty(&mddev->disks))
return -EBUSY;
if (cmd_match(buf, "none")) {
return -EINVAL;
}
/*
- * chunk-size has to be a power of 2 and multiples of PAGE_SIZE
+ * chunk-size has to be a power of 2
*/
if ( (1 << ffz(~chunk_size)) != chunk_size) {
printk(KERN_ERR "chunk_size of %d not valid\n", chunk_size);
return -EINVAL;
}
- if (chunk_size < PAGE_SIZE) {
- printk(KERN_ERR "too small chunk_size: %d < %ld\n",
- chunk_size, PAGE_SIZE);
- return -EINVAL;
- }
/* devices must have minimum size of one chunk */
rdev_for_each(rdev, tmp, mddev) {
}
}
-#ifdef CONFIG_KMOD
if (mddev->level != LEVEL_NONE)
request_module("md-level-%d", mddev->level);
else if (mddev->clevel[0])
request_module("md-%s", mddev->clevel);
-#endif
/*
* Drop all container device buffers, from now on
}
printk("\n");
- err = do_md_run (mddev);
+ err = do_md_run(mddev);
if (err) {
printk(KERN_WARNING "md: do_md_run() returned %d\n", err);
- do_md_stop (mddev, 0, 0);
+ do_md_stop(mddev, 0, 0);
}
}
if (!(info->state & (1<<MD_DISK_FAULTY))) {
int err;
- rdev = md_import_device (dev, -1, 0);
+ rdev = md_import_device(dev, -1, 0);
if (IS_ERR(rdev)) {
printk(KERN_WARNING
"md: error, md_import_device() returned %ld\n",
return -EINVAL;
}
- rdev = md_import_device (dev, -1, 0);
+ rdev = md_import_device(dev, -1, 0);
if (IS_ERR(rdev)) {
printk(KERN_WARNING
"md: error, md_import_device() returned %ld\n",
return 0;
}
-static int md_ioctl(struct inode *inode, struct file *file,
+static int md_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg)
{
int err = 0;
* Commands creating/starting a new array:
*/
- mddev = inode->i_bdev->bd_disk->private_data;
+ mddev = bdev->bd_disk->private_data;
if (!mddev) {
BUG();
goto done_unlock;
case STOP_ARRAY:
- err = do_md_stop (mddev, 0, 1);
+ err = do_md_stop(mddev, 0, 1);
goto done_unlock;
case STOP_ARRAY_RO:
- err = do_md_stop (mddev, 1, 1);
+ err = do_md_stop(mddev, 1, 1);
goto done_unlock;
}
goto done_unlock;
case RUN_ARRAY:
- err = do_md_run (mddev);
+ err = do_md_run(mddev);
goto done_unlock;
case SET_BITMAP_FILE:
return err;
}
-static int md_open(struct inode *inode, struct file *file)
+static int md_open(struct block_device *bdev, fmode_t mode)
{
/*
* Succeed if we can lock the mddev, which confirms that
* it isn't being stopped right now.
*/
- mddev_t *mddev = inode->i_bdev->bd_disk->private_data;
+ mddev_t *mddev = bdev->bd_disk->private_data;
int err;
if ((err = mutex_lock_interruptible_nested(&mddev->reconfig_mutex, 1)))
atomic_inc(&mddev->openers);
mddev_unlock(mddev);
- check_disk_change(inode->i_bdev);
+ check_disk_change(bdev);
out:
return err;
}
-static int md_release(struct inode *inode, struct file * file)
+static int md_release(struct gendisk *disk, fmode_t mode)
{
- mddev_t *mddev = inode->i_bdev->bd_disk->private_data;
+ mddev_t *mddev = disk->private_data;
BUG_ON(!mddev);
atomic_dec(&mddev->openers);
.owner = THIS_MODULE,
.open = md_open,
.release = md_release,
- .ioctl = md_ioctl,
+ .locked_ioctl = md_ioctl,
.getgeo = md_getgeo,
.media_changed = md_media_changed,
.revalidate_disk= md_revalidate,
seq_printf(seq, " super non-persistent");
if (mddev->pers) {
- mddev->pers->status (seq, mddev);
+ mddev->pers->status(seq, mddev);
seq_printf(seq, "\n ");
if (mddev->pers->sync_request) {
if (mddev->curr_resync > 2) {
- status_resync (seq, mddev);
+ status_resync(seq, mddev);
seq_printf(seq, "\n ");
} else if (mddev->curr_resync == 1 || mddev->curr_resync == 2)
seq_printf(seq, "\tresync=DELAYED\n ");
* appears to still be in use. Hence
* the '100'.
*/
- do_md_stop (mddev, 1, 100);
+ do_md_stop(mddev, 1, 100);
mddev_unlock(mddev);
}
/*
raid_table_header = register_sysctl_table(raid_root_table);
md_geninit();
- return (0);
+ return 0;
}
projects / linux-2.6-omap-h63xx.git / blobdiff