md: remove typedefs: mddev_t -> struct mddev
Having mddev_t and 'struct mddev_s' is ugly and not preferred
Signed-off-by: NeilBrown <neilb@suse.de>
diff --git a/drivers/md/md.c b/drivers/md/md.c
index e015f40..f378b8a 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -95,13 +95,13 @@
static int sysctl_speed_limit_min = 1000;
static int sysctl_speed_limit_max = 200000;
-static inline int speed_min(mddev_t *mddev)
+static inline int speed_min(struct mddev *mddev)
{
return mddev->sync_speed_min ?
mddev->sync_speed_min : sysctl_speed_limit_min;
}
-static inline int speed_max(mddev_t *mddev)
+static inline int speed_max(struct mddev *mddev)
{
return mddev->sync_speed_max ?
mddev->sync_speed_max : sysctl_speed_limit_max;
@@ -157,7 +157,7 @@
static void mddev_bio_destructor(struct bio *bio)
{
- mddev_t *mddev, **mddevp;
+ struct mddev *mddev, **mddevp;
mddevp = (void*)bio;
mddev = mddevp[-1];
@@ -166,10 +166,10 @@
}
struct bio *bio_alloc_mddev(gfp_t gfp_mask, int nr_iovecs,
- mddev_t *mddev)
+ struct mddev *mddev)
{
struct bio *b;
- mddev_t **mddevp;
+ struct mddev **mddevp;
if (!mddev || !mddev->bio_set)
return bio_alloc(gfp_mask, nr_iovecs);
@@ -186,10 +186,10 @@
EXPORT_SYMBOL_GPL(bio_alloc_mddev);
struct bio *bio_clone_mddev(struct bio *bio, gfp_t gfp_mask,
- mddev_t *mddev)
+ struct mddev *mddev)
{
struct bio *b;
- mddev_t **mddevp;
+ struct mddev **mddevp;
if (!mddev || !mddev->bio_set)
return bio_clone(bio, gfp_mask);
@@ -278,7 +278,7 @@
*/
static DECLARE_WAIT_QUEUE_HEAD(md_event_waiters);
static atomic_t md_event_count;
-void md_new_event(mddev_t *mddev)
+void md_new_event(struct mddev *mddev)
{
atomic_inc(&md_event_count);
wake_up(&md_event_waiters);
@@ -288,7 +288,7 @@
/* Alternate version that can be called from interrupts
* when calling sysfs_notify isn't needed.
*/
-static void md_new_event_inintr(mddev_t *mddev)
+static void md_new_event_inintr(struct mddev *mddev)
{
atomic_inc(&md_event_count);
wake_up(&md_event_waiters);
@@ -309,19 +309,19 @@
* Any code which breaks out of this loop while own
* a reference to the current mddev and must mddev_put it.
*/
-#define for_each_mddev(mddev,tmp) \
+#define for_each_mddev(_mddev,_tmp) \
\
for (({ spin_lock(&all_mddevs_lock); \
- tmp = all_mddevs.next; \
- mddev = NULL;}); \
- ({ if (tmp != &all_mddevs) \
- mddev_get(list_entry(tmp, mddev_t, all_mddevs));\
+ _tmp = all_mddevs.next; \
+ _mddev = NULL;}); \
+ ({ if (_tmp != &all_mddevs) \
+ mddev_get(list_entry(_tmp, struct mddev, all_mddevs));\
spin_unlock(&all_mddevs_lock); \
- if (mddev) mddev_put(mddev); \
- mddev = list_entry(tmp, mddev_t, all_mddevs); \
- tmp != &all_mddevs;}); \
+ if (_mddev) mddev_put(_mddev); \
+ _mddev = list_entry(_tmp, struct mddev, all_mddevs); \
+ _tmp != &all_mddevs;}); \
({ spin_lock(&all_mddevs_lock); \
- tmp = tmp->next;}) \
+ _tmp = _tmp->next;}) \
)
@@ -335,7 +335,7 @@
static int md_make_request(struct request_queue *q, struct bio *bio)
{
const int rw = bio_data_dir(bio);
- mddev_t *mddev = q->queuedata;
+ struct mddev *mddev = q->queuedata;
int rv;
int cpu;
unsigned int sectors;
@@ -387,7 +387,7 @@
* Once ->stop is called and completes, the module will be completely
* unused.
*/
-void mddev_suspend(mddev_t *mddev)
+void mddev_suspend(struct mddev *mddev)
{
BUG_ON(mddev->suspended);
mddev->suspended = 1;
@@ -397,7 +397,7 @@
}
EXPORT_SYMBOL_GPL(mddev_suspend);
-void mddev_resume(mddev_t *mddev)
+void mddev_resume(struct mddev *mddev)
{
mddev->suspended = 0;
wake_up(&mddev->sb_wait);
@@ -408,7 +408,7 @@
}
EXPORT_SYMBOL_GPL(mddev_resume);
-int mddev_congested(mddev_t *mddev, int bits)
+int mddev_congested(struct mddev *mddev, int bits)
{
return mddev->suspended;
}
@@ -421,7 +421,7 @@
static void md_end_flush(struct bio *bio, int err)
{
struct md_rdev *rdev = bio->bi_private;
- mddev_t *mddev = rdev->mddev;
+ struct mddev *mddev = rdev->mddev;
rdev_dec_pending(rdev, mddev);
@@ -436,7 +436,7 @@
static void submit_flushes(struct work_struct *ws)
{
- mddev_t *mddev = container_of(ws, mddev_t, flush_work);
+ struct mddev *mddev = container_of(ws, struct mddev, flush_work);
struct md_rdev *rdev;
INIT_WORK(&mddev->flush_work, md_submit_flush_data);
@@ -469,7 +469,7 @@
static void md_submit_flush_data(struct work_struct *ws)
{
- mddev_t *mddev = container_of(ws, mddev_t, flush_work);
+ struct mddev *mddev = container_of(ws, struct mddev, flush_work);
struct bio *bio = mddev->flush_bio;
if (bio->bi_size == 0)
@@ -485,7 +485,7 @@
wake_up(&mddev->sb_wait);
}
-void md_flush_request(mddev_t *mddev, struct bio *bio)
+void md_flush_request(struct mddev *mddev, struct bio *bio)
{
spin_lock_irq(&mddev->write_lock);
wait_event_lock_irq(mddev->sb_wait,
@@ -509,7 +509,7 @@
*/
struct md_plug_cb {
struct blk_plug_cb cb;
- mddev_t *mddev;
+ struct mddev *mddev;
};
static void plugger_unplug(struct blk_plug_cb *cb)
@@ -523,7 +523,7 @@
/* Check that an unplug wakeup will come shortly.
* If not, wakeup the md thread immediately
*/
-int mddev_check_plugged(mddev_t *mddev)
+int mddev_check_plugged(struct mddev *mddev)
{
struct blk_plug *plug = current->plug;
struct md_plug_cb *mdcb;
@@ -555,7 +555,7 @@
}
EXPORT_SYMBOL_GPL(mddev_check_plugged);
-static inline mddev_t *mddev_get(mddev_t *mddev)
+static inline struct mddev *mddev_get(struct mddev *mddev)
{
atomic_inc(&mddev->active);
return mddev;
@@ -563,7 +563,7 @@
static void mddev_delayed_delete(struct work_struct *ws);
-static void mddev_put(mddev_t *mddev)
+static void mddev_put(struct mddev *mddev)
{
struct bio_set *bs = NULL;
@@ -592,7 +592,7 @@
bioset_free(bs);
}
-void mddev_init(mddev_t *mddev)
+void mddev_init(struct mddev *mddev)
{
mutex_init(&mddev->open_mutex);
mutex_init(&mddev->reconfig_mutex);
@@ -615,9 +615,9 @@
}
EXPORT_SYMBOL_GPL(mddev_init);
-static mddev_t * mddev_find(dev_t unit)
+static struct mddev * mddev_find(dev_t unit)
{
- mddev_t *mddev, *new = NULL;
+ struct mddev *mddev, *new = NULL;
if (unit && MAJOR(unit) != MD_MAJOR)
unit &= ~((1<<MdpMinorShift)-1);
@@ -689,24 +689,24 @@
goto retry;
}
-static inline int mddev_lock(mddev_t * mddev)
+static inline int mddev_lock(struct mddev * mddev)
{
return mutex_lock_interruptible(&mddev->reconfig_mutex);
}
-static inline int mddev_is_locked(mddev_t *mddev)
+static inline int mddev_is_locked(struct mddev *mddev)
{
return mutex_is_locked(&mddev->reconfig_mutex);
}
-static inline int mddev_trylock(mddev_t * mddev)
+static inline int mddev_trylock(struct mddev * mddev)
{
return mutex_trylock(&mddev->reconfig_mutex);
}
static struct attribute_group md_redundancy_group;
-static void mddev_unlock(mddev_t * mddev)
+static void mddev_unlock(struct mddev * mddev)
{
if (mddev->to_remove) {
/* These cannot be removed under reconfig_mutex as
@@ -749,7 +749,7 @@
spin_unlock(&pers_lock);
}
-static struct md_rdev * find_rdev_nr(mddev_t *mddev, int nr)
+static struct md_rdev * find_rdev_nr(struct mddev *mddev, int nr)
{
struct md_rdev *rdev;
@@ -760,7 +760,7 @@
return NULL;
}
-static struct md_rdev * find_rdev(mddev_t * mddev, dev_t dev)
+static struct md_rdev * find_rdev(struct mddev * mddev, dev_t dev)
{
struct md_rdev *rdev;
@@ -823,7 +823,7 @@
static void super_written(struct bio *bio, int error)
{
struct md_rdev *rdev = bio->bi_private;
- mddev_t *mddev = rdev->mddev;
+ struct mddev *mddev = rdev->mddev;
if (error || !test_bit(BIO_UPTODATE, &bio->bi_flags)) {
printk("md: super_written gets error=%d, uptodate=%d\n",
@@ -837,7 +837,7 @@
bio_put(bio);
}
-void md_super_write(mddev_t *mddev, struct md_rdev *rdev,
+void md_super_write(struct mddev *mddev, struct md_rdev *rdev,
sector_t sector, int size, struct page *page)
{
/* write first size bytes of page to sector of rdev
@@ -858,7 +858,7 @@
submit_bio(WRITE_FLUSH_FUA, bio);
}
-void md_super_wait(mddev_t *mddev)
+void md_super_wait(struct mddev *mddev)
{
/* wait for all superblock writes that were scheduled to complete */
DEFINE_WAIT(wq);
@@ -1021,13 +1021,13 @@
* -EINVAL superblock incompatible or invalid
* -othererror e.g. -EIO
*
- * int validate_super(mddev_t *mddev, struct md_rdev *dev)
+ * int validate_super(struct mddev *mddev, struct md_rdev *dev)
* Verify that dev is acceptable into mddev.
* The first time, mddev->raid_disks will be 0, and data from
* dev should be merged in. Subsequent calls check that dev
* is new enough. Return 0 or -EINVAL
*
- * void sync_super(mddev_t *mddev, struct md_rdev *dev)
+ * void sync_super(struct mddev *mddev, struct md_rdev *dev)
* Update the superblock for rdev with data in mddev
* This does not write to disc.
*
@@ -1038,8 +1038,8 @@
struct module *owner;
int (*load_super)(struct md_rdev *rdev, struct md_rdev *refdev,
int minor_version);
- int (*validate_super)(mddev_t *mddev, struct md_rdev *rdev);
- void (*sync_super)(mddev_t *mddev, struct md_rdev *rdev);
+ int (*validate_super)(struct mddev *mddev, struct md_rdev *rdev);
+ void (*sync_super)(struct mddev *mddev, struct md_rdev *rdev);
unsigned long long (*rdev_size_change)(struct md_rdev *rdev,
sector_t num_sectors);
};
@@ -1052,7 +1052,7 @@
* has a bitmap. Otherwise, it returns 0.
*
*/
-int md_check_no_bitmap(mddev_t *mddev)
+int md_check_no_bitmap(struct mddev *mddev)
{
if (!mddev->bitmap_info.file && !mddev->bitmap_info.offset)
return 0;
@@ -1160,7 +1160,7 @@
/*
* validate_super for 0.90.0
*/
-static int super_90_validate(mddev_t *mddev, struct md_rdev *rdev)
+static int super_90_validate(struct mddev *mddev, struct md_rdev *rdev)
{
mdp_disk_t *desc;
mdp_super_t *sb = page_address(rdev->sb_page);
@@ -1272,7 +1272,7 @@
/*
* sync_super for 0.90.0
*/
-static void super_90_sync(mddev_t *mddev, struct md_rdev *rdev)
+static void super_90_sync(struct mddev *mddev, struct md_rdev *rdev)
{
mdp_super_t *sb;
struct md_rdev *rdev2;
@@ -1622,7 +1622,7 @@
return ret;
}
-static int super_1_validate(mddev_t *mddev, struct md_rdev *rdev)
+static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev)
{
struct mdp_superblock_1 *sb = page_address(rdev->sb_page);
__u64 ev1 = le64_to_cpu(sb->events);
@@ -1723,7 +1723,7 @@
return 0;
}
-static void super_1_sync(mddev_t *mddev, struct md_rdev *rdev)
+static void super_1_sync(struct mddev *mddev, struct md_rdev *rdev)
{
struct mdp_superblock_1 *sb;
struct md_rdev *rdev2;
@@ -1902,7 +1902,7 @@
},
};
-static void sync_super(mddev_t *mddev, struct md_rdev *rdev)
+static void sync_super(struct mddev *mddev, struct md_rdev *rdev)
{
if (mddev->sync_super) {
mddev->sync_super(mddev, rdev);
@@ -1914,7 +1914,7 @@
super_types[mddev->major_version].sync_super(mddev, rdev);
}
-static int match_mddev_units(mddev_t *mddev1, mddev_t *mddev2)
+static int match_mddev_units(struct mddev *mddev1, struct mddev *mddev2)
{
struct md_rdev *rdev, *rdev2;
@@ -1939,7 +1939,7 @@
* from the array. It only succeeds if all working and active component devices
* are integrity capable with matching profiles.
*/
-int md_integrity_register(mddev_t *mddev)
+int md_integrity_register(struct mddev *mddev)
{
struct md_rdev *rdev, *reference = NULL;
@@ -1986,7 +1986,7 @@
EXPORT_SYMBOL(md_integrity_register);
/* Disable data integrity if non-capable/non-matching disk is being added */
-void md_integrity_add_rdev(struct md_rdev *rdev, mddev_t *mddev)
+void md_integrity_add_rdev(struct md_rdev *rdev, struct mddev *mddev)
{
struct blk_integrity *bi_rdev = bdev_get_integrity(rdev->bdev);
struct blk_integrity *bi_mddev = blk_get_integrity(mddev->gendisk);
@@ -2003,7 +2003,7 @@
}
EXPORT_SYMBOL(md_integrity_add_rdev);
-static int bind_rdev_to_array(struct md_rdev * rdev, mddev_t * mddev)
+static int bind_rdev_to_array(struct md_rdev * rdev, struct mddev * mddev)
{
char b[BDEVNAME_SIZE];
struct kobject *ko;
@@ -2170,7 +2170,7 @@
export_rdev(rdev);
}
-static void export_array(mddev_t *mddev)
+static void export_array(struct mddev *mddev)
{
struct md_rdev *rdev, *tmp;
@@ -2293,7 +2293,7 @@
{
struct list_head *tmp;
struct md_rdev *rdev;
- mddev_t *mddev;
+ struct mddev *mddev;
char b[BDEVNAME_SIZE];
printk("\n");
@@ -2318,7 +2318,7 @@
}
-static void sync_sbs(mddev_t * mddev, int nospares)
+static void sync_sbs(struct mddev * mddev, int nospares)
{
/* Update each superblock (in-memory image), but
* if we are allowed to, skip spares which already
@@ -2341,7 +2341,7 @@
}
}
-static void md_update_sb(mddev_t * mddev, int force_change)
+static void md_update_sb(struct mddev * mddev, int force_change)
{
struct md_rdev *rdev;
int sync_req;
@@ -2586,7 +2586,7 @@
if (rdev->raid_disk >= 0)
err = -EBUSY;
else {
- mddev_t *mddev = rdev->mddev;
+ struct mddev *mddev = rdev->mddev;
kick_rdev_from_array(rdev);
if (mddev->pers)
md_update_sb(mddev, 1);
@@ -2814,7 +2814,7 @@
static ssize_t
rdev_size_store(struct md_rdev *rdev, const char *buf, size_t len)
{
- mddev_t *my_mddev = rdev->mddev;
+ struct mddev *my_mddev = rdev->mddev;
sector_t oldsectors = rdev->sectors;
sector_t sectors;
@@ -2840,7 +2840,7 @@
* a deadlock. We have already changed rdev->sectors, and if
* we have to change it back, we will have the lock again.
*/
- mddev_t *mddev;
+ struct mddev *mddev;
int overlap = 0;
struct list_head *tmp;
@@ -2967,7 +2967,7 @@
{
struct rdev_sysfs_entry *entry = container_of(attr, struct rdev_sysfs_entry, attr);
struct md_rdev *rdev = container_of(kobj, struct md_rdev, kobj);
- mddev_t *mddev = rdev->mddev;
+ struct mddev *mddev = rdev->mddev;
ssize_t rv;
if (!entry->show)
@@ -2991,7 +2991,7 @@
struct rdev_sysfs_entry *entry = container_of(attr, struct rdev_sysfs_entry, attr);
struct md_rdev *rdev = container_of(kobj, struct md_rdev, kobj);
ssize_t rv;
- mddev_t *mddev = rdev->mddev;
+ struct mddev *mddev = rdev->mddev;
if (!entry->store)
return -EIO;
@@ -3139,7 +3139,7 @@
*/
-static void analyze_sbs(mddev_t * mddev)
+static void analyze_sbs(struct mddev * mddev)
{
int i;
struct md_rdev *rdev, *freshest, *tmp;
@@ -3242,13 +3242,13 @@
static void md_safemode_timeout(unsigned long data);
static ssize_t
-safe_delay_show(mddev_t *mddev, char *page)
+safe_delay_show(struct mddev *mddev, char *page)
{
int msec = (mddev->safemode_delay*1000)/HZ;
return sprintf(page, "%d.%03d\n", msec/1000, msec%1000);
}
static ssize_t
-safe_delay_store(mddev_t *mddev, const char *cbuf, size_t len)
+safe_delay_store(struct mddev *mddev, const char *cbuf, size_t len)
{
unsigned long msec;
@@ -3270,7 +3270,7 @@
__ATTR(safe_mode_delay, S_IRUGO|S_IWUSR,safe_delay_show, safe_delay_store);
static ssize_t
-level_show(mddev_t *mddev, char *page)
+level_show(struct mddev *mddev, char *page)
{
struct mdk_personality *p = mddev->pers;
if (p)
@@ -3284,7 +3284,7 @@
}
static ssize_t
-level_store(mddev_t *mddev, const char *buf, size_t len)
+level_store(struct mddev *mddev, const char *buf, size_t len)
{
char clevel[16];
ssize_t rv = len;
@@ -3465,7 +3465,7 @@
static ssize_t
-layout_show(mddev_t *mddev, char *page)
+layout_show(struct mddev *mddev, char *page)
{
/* just a number, not meaningful for all levels */
if (mddev->reshape_position != MaxSector &&
@@ -3476,7 +3476,7 @@
}
static ssize_t
-layout_store(mddev_t *mddev, const char *buf, size_t len)
+layout_store(struct mddev *mddev, const char *buf, size_t len)
{
char *e;
unsigned long n = simple_strtoul(buf, &e, 10);
@@ -3506,7 +3506,7 @@
static ssize_t
-raid_disks_show(mddev_t *mddev, char *page)
+raid_disks_show(struct mddev *mddev, char *page)
{
if (mddev->raid_disks == 0)
return 0;
@@ -3517,10 +3517,10 @@
return sprintf(page, "%d\n", mddev->raid_disks);
}
-static int update_raid_disks(mddev_t *mddev, int raid_disks);
+static int update_raid_disks(struct mddev *mddev, int raid_disks);
static ssize_t
-raid_disks_store(mddev_t *mddev, const char *buf, size_t len)
+raid_disks_store(struct mddev *mddev, const char *buf, size_t len)
{
char *e;
int rv = 0;
@@ -3543,7 +3543,7 @@
__ATTR(raid_disks, S_IRUGO|S_IWUSR, raid_disks_show, raid_disks_store);
static ssize_t
-chunk_size_show(mddev_t *mddev, char *page)
+chunk_size_show(struct mddev *mddev, char *page)
{
if (mddev->reshape_position != MaxSector &&
mddev->chunk_sectors != mddev->new_chunk_sectors)
@@ -3554,7 +3554,7 @@
}
static ssize_t
-chunk_size_store(mddev_t *mddev, const char *buf, size_t len)
+chunk_size_store(struct mddev *mddev, const char *buf, size_t len)
{
char *e;
unsigned long n = simple_strtoul(buf, &e, 10);
@@ -3583,7 +3583,7 @@
__ATTR(chunk_size, S_IRUGO|S_IWUSR, chunk_size_show, chunk_size_store);
static ssize_t
-resync_start_show(mddev_t *mddev, char *page)
+resync_start_show(struct mddev *mddev, char *page)
{
if (mddev->recovery_cp == MaxSector)
return sprintf(page, "none\n");
@@ -3591,7 +3591,7 @@
}
static ssize_t
-resync_start_store(mddev_t *mddev, const char *buf, size_t len)
+resync_start_store(struct mddev *mddev, const char *buf, size_t len)
{
char *e;
unsigned long long n = simple_strtoull(buf, &e, 10);
@@ -3661,7 +3661,7 @@
}
static ssize_t
-array_state_show(mddev_t *mddev, char *page)
+array_state_show(struct mddev *mddev, char *page)
{
enum array_state st = inactive;
@@ -3694,13 +3694,13 @@
return sprintf(page, "%s\n", array_states[st]);
}
-static int do_md_stop(mddev_t * mddev, int ro, int is_open);
-static int md_set_readonly(mddev_t * mddev, int is_open);
-static int do_md_run(mddev_t * mddev);
-static int restart_array(mddev_t *mddev);
+static int do_md_stop(struct mddev * mddev, int ro, int is_open);
+static int md_set_readonly(struct mddev * mddev, int is_open);
+static int do_md_run(struct mddev * mddev);
+static int restart_array(struct mddev *mddev);
static ssize_t
-array_state_store(mddev_t *mddev, const char *buf, size_t len)
+array_state_store(struct mddev *mddev, const char *buf, size_t len)
{
int err = -EINVAL;
enum array_state st = match_word(buf, array_states);
@@ -3794,13 +3794,13 @@
__ATTR(array_state, S_IRUGO|S_IWUSR, array_state_show, array_state_store);
static ssize_t
-max_corrected_read_errors_show(mddev_t *mddev, char *page) {
+max_corrected_read_errors_show(struct mddev *mddev, char *page) {
return sprintf(page, "%d\n",
atomic_read(&mddev->max_corr_read_errors));
}
static ssize_t
-max_corrected_read_errors_store(mddev_t *mddev, const char *buf, size_t len)
+max_corrected_read_errors_store(struct mddev *mddev, const char *buf, size_t len)
{
char *e;
unsigned long n = simple_strtoul(buf, &e, 10);
@@ -3817,13 +3817,13 @@
max_corrected_read_errors_store);
static ssize_t
-null_show(mddev_t *mddev, char *page)
+null_show(struct mddev *mddev, char *page)
{
return -EINVAL;
}
static ssize_t
-new_dev_store(mddev_t *mddev, const char *buf, size_t len)
+new_dev_store(struct mddev *mddev, const char *buf, size_t len)
{
/* buf must be %d:%d\n? giving major and minor numbers */
/* The new device is added to the array.
@@ -3880,7 +3880,7 @@
__ATTR(new_dev, S_IWUSR, null_show, new_dev_store);
static ssize_t
-bitmap_store(mddev_t *mddev, const char *buf, size_t len)
+bitmap_store(struct mddev *mddev, const char *buf, size_t len)
{
char *end;
unsigned long chunk, end_chunk;
@@ -3909,16 +3909,16 @@
__ATTR(bitmap_set_bits, S_IWUSR, null_show, bitmap_store);
static ssize_t
-size_show(mddev_t *mddev, char *page)
+size_show(struct mddev *mddev, char *page)
{
return sprintf(page, "%llu\n",
(unsigned long long)mddev->dev_sectors / 2);
}
-static int update_size(mddev_t *mddev, sector_t num_sectors);
+static int update_size(struct mddev *mddev, sector_t num_sectors);
static ssize_t
-size_store(mddev_t *mddev, const char *buf, size_t len)
+size_store(struct mddev *mddev, const char *buf, size_t len)
{
/* If array is inactive, we can reduce the component size, but
* not increase it (except from 0).
@@ -3953,7 +3953,7 @@
* or N.M for internally known formats
*/
static ssize_t
-metadata_show(mddev_t *mddev, char *page)
+metadata_show(struct mddev *mddev, char *page)
{
if (mddev->persistent)
return sprintf(page, "%d.%d\n",
@@ -3965,7 +3965,7 @@
}
static ssize_t
-metadata_store(mddev_t *mddev, const char *buf, size_t len)
+metadata_store(struct mddev *mddev, const char *buf, size_t len)
{
int major, minor;
char *e;
@@ -4019,7 +4019,7 @@
__ATTR(metadata_version, S_IRUGO|S_IWUSR, metadata_show, metadata_store);
static ssize_t
-action_show(mddev_t *mddev, char *page)
+action_show(struct mddev *mddev, char *page)
{
char *type = "idle";
if (test_bit(MD_RECOVERY_FROZEN, &mddev->recovery))
@@ -4041,10 +4041,10 @@
return sprintf(page, "%s\n", type);
}
-static void reap_sync_thread(mddev_t *mddev);
+static void reap_sync_thread(struct mddev *mddev);
static ssize_t
-action_store(mddev_t *mddev, const char *page, size_t len)
+action_store(struct mddev *mddev, const char *page, size_t len)
{
if (!mddev->pers || !mddev->pers->sync_request)
return -EINVAL;
@@ -4090,7 +4090,7 @@
}
static ssize_t
-mismatch_cnt_show(mddev_t *mddev, char *page)
+mismatch_cnt_show(struct mddev *mddev, char *page)
{
return sprintf(page, "%llu\n",
(unsigned long long) mddev->resync_mismatches);
@@ -4103,14 +4103,14 @@
static struct md_sysfs_entry md_mismatches = __ATTR_RO(mismatch_cnt);
static ssize_t
-sync_min_show(mddev_t *mddev, char *page)
+sync_min_show(struct mddev *mddev, char *page)
{
return sprintf(page, "%d (%s)\n", speed_min(mddev),
mddev->sync_speed_min ? "local": "system");
}
static ssize_t
-sync_min_store(mddev_t *mddev, const char *buf, size_t len)
+sync_min_store(struct mddev *mddev, const char *buf, size_t len)
{
int min;
char *e;
@@ -4129,14 +4129,14 @@
__ATTR(sync_speed_min, S_IRUGO|S_IWUSR, sync_min_show, sync_min_store);
static ssize_t
-sync_max_show(mddev_t *mddev, char *page)
+sync_max_show(struct mddev *mddev, char *page)
{
return sprintf(page, "%d (%s)\n", speed_max(mddev),
mddev->sync_speed_max ? "local": "system");
}
static ssize_t
-sync_max_store(mddev_t *mddev, const char *buf, size_t len)
+sync_max_store(struct mddev *mddev, const char *buf, size_t len)
{
int max;
char *e;
@@ -4155,20 +4155,20 @@
__ATTR(sync_speed_max, S_IRUGO|S_IWUSR, sync_max_show, sync_max_store);
static ssize_t
-degraded_show(mddev_t *mddev, char *page)
+degraded_show(struct mddev *mddev, char *page)
{
return sprintf(page, "%d\n", mddev->degraded);
}
static struct md_sysfs_entry md_degraded = __ATTR_RO(degraded);
static ssize_t
-sync_force_parallel_show(mddev_t *mddev, char *page)
+sync_force_parallel_show(struct mddev *mddev, char *page)
{
return sprintf(page, "%d\n", mddev->parallel_resync);
}
static ssize_t
-sync_force_parallel_store(mddev_t *mddev, const char *buf, size_t len)
+sync_force_parallel_store(struct mddev *mddev, const char *buf, size_t len)
{
long n;
@@ -4192,7 +4192,7 @@
sync_force_parallel_show, sync_force_parallel_store);
static ssize_t
-sync_speed_show(mddev_t *mddev, char *page)
+sync_speed_show(struct mddev *mddev, char *page)
{
unsigned long resync, dt, db;
if (mddev->curr_resync == 0)
@@ -4207,7 +4207,7 @@
static struct md_sysfs_entry md_sync_speed = __ATTR_RO(sync_speed);
static ssize_t
-sync_completed_show(mddev_t *mddev, char *page)
+sync_completed_show(struct mddev *mddev, char *page)
{
unsigned long long max_sectors, resync;
@@ -4226,13 +4226,13 @@
static struct md_sysfs_entry md_sync_completed = __ATTR_RO(sync_completed);
static ssize_t
-min_sync_show(mddev_t *mddev, char *page)
+min_sync_show(struct mddev *mddev, char *page)
{
return sprintf(page, "%llu\n",
(unsigned long long)mddev->resync_min);
}
static ssize_t
-min_sync_store(mddev_t *mddev, const char *buf, size_t len)
+min_sync_store(struct mddev *mddev, const char *buf, size_t len)
{
unsigned long long min;
if (strict_strtoull(buf, 10, &min))
@@ -4257,7 +4257,7 @@
__ATTR(sync_min, S_IRUGO|S_IWUSR, min_sync_show, min_sync_store);
static ssize_t
-max_sync_show(mddev_t *mddev, char *page)
+max_sync_show(struct mddev *mddev, char *page)
{
if (mddev->resync_max == MaxSector)
return sprintf(page, "max\n");
@@ -4266,7 +4266,7 @@
(unsigned long long)mddev->resync_max);
}
static ssize_t
-max_sync_store(mddev_t *mddev, const char *buf, size_t len)
+max_sync_store(struct mddev *mddev, const char *buf, size_t len)
{
if (strncmp(buf, "max", 3) == 0)
mddev->resync_max = MaxSector;
@@ -4297,13 +4297,13 @@
__ATTR(sync_max, S_IRUGO|S_IWUSR, max_sync_show, max_sync_store);
static ssize_t
-suspend_lo_show(mddev_t *mddev, char *page)
+suspend_lo_show(struct mddev *mddev, char *page)
{
return sprintf(page, "%llu\n", (unsigned long long)mddev->suspend_lo);
}
static ssize_t
-suspend_lo_store(mddev_t *mddev, const char *buf, size_t len)
+suspend_lo_store(struct mddev *mddev, const char *buf, size_t len)
{
char *e;
unsigned long long new = simple_strtoull(buf, &e, 10);
@@ -4331,13 +4331,13 @@
static ssize_t
-suspend_hi_show(mddev_t *mddev, char *page)
+suspend_hi_show(struct mddev *mddev, char *page)
{
return sprintf(page, "%llu\n", (unsigned long long)mddev->suspend_hi);
}
static ssize_t
-suspend_hi_store(mddev_t *mddev, const char *buf, size_t len)
+suspend_hi_store(struct mddev *mddev, const char *buf, size_t len)
{
char *e;
unsigned long long new = simple_strtoull(buf, &e, 10);
@@ -4364,7 +4364,7 @@
__ATTR(suspend_hi, S_IRUGO|S_IWUSR, suspend_hi_show, suspend_hi_store);
static ssize_t
-reshape_position_show(mddev_t *mddev, char *page)
+reshape_position_show(struct mddev *mddev, char *page)
{
if (mddev->reshape_position != MaxSector)
return sprintf(page, "%llu\n",
@@ -4374,7 +4374,7 @@
}
static ssize_t
-reshape_position_store(mddev_t *mddev, const char *buf, size_t len)
+reshape_position_store(struct mddev *mddev, const char *buf, size_t len)
{
char *e;
unsigned long long new = simple_strtoull(buf, &e, 10);
@@ -4395,7 +4395,7 @@
reshape_position_store);
static ssize_t
-array_size_show(mddev_t *mddev, char *page)
+array_size_show(struct mddev *mddev, char *page)
{
if (mddev->external_size)
return sprintf(page, "%llu\n",
@@ -4405,7 +4405,7 @@
}
static ssize_t
-array_size_store(mddev_t *mddev, const char *buf, size_t len)
+array_size_store(struct mddev *mddev, const char *buf, size_t len)
{
sector_t sectors;
@@ -4480,7 +4480,7 @@
md_attr_show(struct kobject *kobj, struct attribute *attr, char *page)
{
struct md_sysfs_entry *entry = container_of(attr, struct md_sysfs_entry, attr);
- mddev_t *mddev = container_of(kobj, struct mddev_s, kobj);
+ struct mddev *mddev = container_of(kobj, struct mddev, kobj);
ssize_t rv;
if (!entry->show)
@@ -4498,7 +4498,7 @@
const char *page, size_t length)
{
struct md_sysfs_entry *entry = container_of(attr, struct md_sysfs_entry, attr);
- mddev_t *mddev = container_of(kobj, struct mddev_s, kobj);
+ struct mddev *mddev = container_of(kobj, struct mddev, kobj);
ssize_t rv;
if (!entry->store)
@@ -4517,7 +4517,7 @@
static void md_free(struct kobject *ko)
{
- mddev_t *mddev = container_of(ko, mddev_t, kobj);
+ struct mddev *mddev = container_of(ko, struct mddev, kobj);
if (mddev->sysfs_state)
sysfs_put(mddev->sysfs_state);
@@ -4546,7 +4546,7 @@
static void mddev_delayed_delete(struct work_struct *ws)
{
- mddev_t *mddev = container_of(ws, mddev_t, del_work);
+ struct mddev *mddev = container_of(ws, struct mddev, del_work);
sysfs_remove_group(&mddev->kobj, &md_bitmap_group);
kobject_del(&mddev->kobj);
@@ -4556,7 +4556,7 @@
static int md_alloc(dev_t dev, char *name)
{
static DEFINE_MUTEX(disks_mutex);
- mddev_t *mddev = mddev_find(dev);
+ struct mddev *mddev = mddev_find(dev);
struct gendisk *disk;
int partitioned;
int shift;
@@ -4583,7 +4583,7 @@
if (name) {
/* Need to ensure that 'name' is not a duplicate.
*/
- mddev_t *mddev2;
+ struct mddev *mddev2;
spin_lock(&all_mddevs_lock);
list_for_each_entry(mddev2, &all_mddevs, all_mddevs)
@@ -4684,7 +4684,7 @@
static void md_safemode_timeout(unsigned long data)
{
- mddev_t *mddev = (mddev_t *) data;
+ struct mddev *mddev = (struct mddev *) data;
if (!atomic_read(&mddev->writes_pending)) {
mddev->safemode = 1;
@@ -4696,7 +4696,7 @@
static int start_dirty_degraded;
-int md_run(mddev_t *mddev)
+int md_run(struct mddev *mddev)
{
int err;
struct md_rdev *rdev;
@@ -4764,7 +4764,7 @@
if (mddev->bio_set == NULL)
mddev->bio_set = bioset_create(BIO_POOL_SIZE,
- sizeof(mddev_t *));
+ sizeof(struct mddev *));
spin_lock(&pers_lock);
pers = find_pers(mddev->level, mddev->clevel);
@@ -4898,7 +4898,7 @@
}
EXPORT_SYMBOL_GPL(md_run);
-static int do_md_run(mddev_t *mddev)
+static int do_md_run(struct mddev *mddev)
{
int err;
@@ -4922,7 +4922,7 @@
return err;
}
-static int restart_array(mddev_t *mddev)
+static int restart_array(struct mddev *mddev)
{
struct gendisk *disk = mddev->gendisk;
@@ -4972,7 +4972,7 @@
spin_unlock(&inode->i_lock);
}
-static void md_clean(mddev_t *mddev)
+static void md_clean(struct mddev *mddev)
{
mddev->array_sectors = 0;
mddev->external_size = 0;
@@ -5015,7 +5015,7 @@
mddev->bitmap_info.max_write_behind = 0;
}
-static void __md_stop_writes(mddev_t *mddev)
+static void __md_stop_writes(struct mddev *mddev)
{
if (mddev->sync_thread) {
set_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
@@ -5035,7 +5035,7 @@
}
}
-void md_stop_writes(mddev_t *mddev)
+void md_stop_writes(struct mddev *mddev)
{
mddev_lock(mddev);
__md_stop_writes(mddev);
@@ -5043,7 +5043,7 @@
}
EXPORT_SYMBOL_GPL(md_stop_writes);
-void md_stop(mddev_t *mddev)
+void md_stop(struct mddev *mddev)
{
mddev->ready = 0;
mddev->pers->stop(mddev);
@@ -5055,7 +5055,7 @@
}
EXPORT_SYMBOL_GPL(md_stop);
-static int md_set_readonly(mddev_t *mddev, int is_open)
+static int md_set_readonly(struct mddev *mddev, int is_open)
{
int err = 0;
mutex_lock(&mddev->open_mutex);
@@ -5085,7 +5085,7 @@
* 0 - completely stop and dis-assemble array
* 2 - stop but do not disassemble array
*/
-static int do_md_stop(mddev_t * mddev, int mode, int is_open)
+static int do_md_stop(struct mddev * mddev, int mode, int is_open)
{
struct gendisk *disk = mddev->gendisk;
struct md_rdev *rdev;
@@ -5151,7 +5151,7 @@
}
#ifndef MODULE
-static void autorun_array(mddev_t *mddev)
+static void autorun_array(struct mddev *mddev)
{
struct md_rdev *rdev;
int err;
@@ -5189,7 +5189,7 @@
static void autorun_devices(int part)
{
struct md_rdev *rdev0, *rdev, *tmp;
- mddev_t *mddev;
+ struct mddev *mddev;
char b[BDEVNAME_SIZE];
printk(KERN_INFO "md: autorun ...\n");
@@ -5284,7 +5284,7 @@
return 0;
}
-static int get_array_info(mddev_t * mddev, void __user * arg)
+static int get_array_info(struct mddev * mddev, void __user * arg)
{
mdu_array_info_t info;
int nr,working,insync,failed,spare;
@@ -5337,7 +5337,7 @@
return 0;
}
-static int get_bitmap_file(mddev_t * mddev, void __user * arg)
+static int get_bitmap_file(struct mddev * mddev, void __user * arg)
{
mdu_bitmap_file_t *file = NULL; /* too big for stack allocation */
char *ptr, *buf = NULL;
@@ -5377,7 +5377,7 @@
return err;
}
-static int get_disk_info(mddev_t * mddev, void __user * arg)
+static int get_disk_info(struct mddev * mddev, void __user * arg)
{
mdu_disk_info_t info;
struct md_rdev *rdev;
@@ -5411,7 +5411,7 @@
return 0;
}
-static int add_new_disk(mddev_t * mddev, mdu_disk_info_t *info)
+static int add_new_disk(struct mddev * mddev, mdu_disk_info_t *info)
{
char b[BDEVNAME_SIZE], b2[BDEVNAME_SIZE];
struct md_rdev *rdev;
@@ -5583,7 +5583,7 @@
return 0;
}
-static int hot_remove_disk(mddev_t * mddev, dev_t dev)
+static int hot_remove_disk(struct mddev * mddev, dev_t dev)
{
char b[BDEVNAME_SIZE];
struct md_rdev *rdev;
@@ -5606,7 +5606,7 @@
return -EBUSY;
}
-static int hot_add_disk(mddev_t * mddev, dev_t dev)
+static int hot_add_disk(struct mddev * mddev, dev_t dev)
{
char b[BDEVNAME_SIZE];
int err;
@@ -5680,7 +5680,7 @@
return err;
}
-static int set_bitmap_file(mddev_t *mddev, int fd)
+static int set_bitmap_file(struct mddev *mddev, int fd)
{
int err;
@@ -5753,7 +5753,7 @@
* The minor and patch _version numbers are also kept incase the
* super_block handler wishes to interpret them.
*/
-static int set_array_info(mddev_t * mddev, mdu_array_info_t *info)
+static int set_array_info(struct mddev * mddev, mdu_array_info_t *info)
{
if (info->raid_disks == 0) {
@@ -5823,7 +5823,7 @@
return 0;
}
-void md_set_array_sectors(mddev_t *mddev, sector_t array_sectors)
+void md_set_array_sectors(struct mddev *mddev, sector_t array_sectors)
{
WARN(!mddev_is_locked(mddev), "%s: unlocked mddev!\n", __func__);
@@ -5834,7 +5834,7 @@
}
EXPORT_SYMBOL(md_set_array_sectors);
-static int update_size(mddev_t *mddev, sector_t num_sectors)
+static int update_size(struct mddev *mddev, sector_t num_sectors)
{
struct md_rdev *rdev;
int rv;
@@ -5872,7 +5872,7 @@
return rv;
}
-static int update_raid_disks(mddev_t *mddev, int raid_disks)
+static int update_raid_disks(struct mddev *mddev, int raid_disks)
{
int rv;
/* change the number of raid disks */
@@ -5900,7 +5900,7 @@
* Any differences that cannot be handled will cause an error.
* Normally, only one change can be managed at a time.
*/
-static int update_array_info(mddev_t *mddev, mdu_array_info_t *info)
+static int update_array_info(struct mddev *mddev, mdu_array_info_t *info)
{
int rv = 0;
int cnt = 0;
@@ -5993,7 +5993,7 @@
return rv;
}
-static int set_disk_faulty(mddev_t *mddev, dev_t dev)
+static int set_disk_faulty(struct mddev *mddev, dev_t dev)
{
struct md_rdev *rdev;
@@ -6018,7 +6018,7 @@
*/
static int md_getgeo(struct block_device *bdev, struct hd_geometry *geo)
{
- mddev_t *mddev = bdev->bd_disk->private_data;
+ struct mddev *mddev = bdev->bd_disk->private_data;
geo->heads = 2;
geo->sectors = 4;
@@ -6031,7 +6031,7 @@
{
int err = 0;
void __user *argp = (void __user *)arg;
- mddev_t *mddev = NULL;
+ struct mddev *mddev = NULL;
int ro;
if (!capable(CAP_SYS_ADMIN))
@@ -6294,7 +6294,7 @@
* Succeed if we can lock the mddev, which confirms that
* it isn't being stopped right now.
*/
- mddev_t *mddev = mddev_find(bdev->bd_dev);
+ struct mddev *mddev = mddev_find(bdev->bd_dev);
int err;
if (mddev->gendisk != bdev->bd_disk) {
@@ -6323,7 +6323,7 @@
static int md_release(struct gendisk *disk, fmode_t mode)
{
- mddev_t *mddev = disk->private_data;
+ struct mddev *mddev = disk->private_data;
BUG_ON(!mddev);
atomic_dec(&mddev->openers);
@@ -6334,14 +6334,14 @@
static int md_media_changed(struct gendisk *disk)
{
- mddev_t *mddev = disk->private_data;
+ struct mddev *mddev = disk->private_data;
return mddev->changed;
}
static int md_revalidate(struct gendisk *disk)
{
- mddev_t *mddev = disk->private_data;
+ struct mddev *mddev = disk->private_data;
mddev->changed = 0;
return 0;
@@ -6410,7 +6410,7 @@
}
}
-mdk_thread_t *md_register_thread(void (*run) (mddev_t *), mddev_t *mddev,
+mdk_thread_t *md_register_thread(void (*run) (struct mddev *), struct mddev *mddev,
const char *name)
{
mdk_thread_t *thread;
@@ -6452,7 +6452,7 @@
kfree(thread);
}
-void md_error(mddev_t *mddev, struct md_rdev *rdev)
+void md_error(struct mddev *mddev, struct md_rdev *rdev)
{
if (!mddev) {
MD_BUG();
@@ -6498,7 +6498,7 @@
}
-static void status_resync(struct seq_file *seq, mddev_t * mddev)
+static void status_resync(struct seq_file *seq, struct mddev * mddev)
{
sector_t max_sectors, resync, res;
unsigned long dt, db;
@@ -6589,7 +6589,7 @@
{
struct list_head *tmp;
loff_t l = *pos;
- mddev_t *mddev;
+ struct mddev *mddev;
if (l >= 0x10000)
return NULL;
@@ -6600,7 +6600,7 @@
spin_lock(&all_mddevs_lock);
list_for_each(tmp,&all_mddevs)
if (!l--) {
- mddev = list_entry(tmp, mddev_t, all_mddevs);
+ mddev = list_entry(tmp, struct mddev, all_mddevs);
mddev_get(mddev);
spin_unlock(&all_mddevs_lock);
return mddev;
@@ -6614,7 +6614,7 @@
static void *md_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
struct list_head *tmp;
- mddev_t *next_mddev, *mddev = v;
+ struct mddev *next_mddev, *mddev = v;
++*pos;
if (v == (void*)2)
@@ -6626,7 +6626,7 @@
else
tmp = mddev->all_mddevs.next;
if (tmp != &all_mddevs)
- next_mddev = mddev_get(list_entry(tmp,mddev_t,all_mddevs));
+ next_mddev = mddev_get(list_entry(tmp,struct mddev,all_mddevs));
else {
next_mddev = (void*)2;
*pos = 0x10000;
@@ -6641,7 +6641,7 @@
static void md_seq_stop(struct seq_file *seq, void *v)
{
- mddev_t *mddev = v;
+ struct mddev *mddev = v;
if (mddev && v != (void*)1 && v != (void*)2)
mddev_put(mddev);
@@ -6649,7 +6649,7 @@
static int md_seq_show(struct seq_file *seq, void *v)
{
- mddev_t *mddev = v;
+ struct mddev *mddev = v;
sector_t sectors;
struct md_rdev *rdev;
struct bitmap *bitmap;
@@ -6829,7 +6829,7 @@
return 0;
}
-static int is_mddev_idle(mddev_t *mddev, int init)
+static int is_mddev_idle(struct mddev *mddev, int init)
{
struct md_rdev * rdev;
int idle;
@@ -6873,7 +6873,7 @@
return idle;
}
-void md_done_sync(mddev_t *mddev, int blocks, int ok)
+void md_done_sync(struct mddev *mddev, int blocks, int ok)
{
/* another "blocks" (512byte) blocks have been synced */
atomic_sub(blocks, &mddev->recovery_active);
@@ -6891,7 +6891,7 @@
* in superblock) before writing, schedule a superblock update
* and wait for it to complete.
*/
-void md_write_start(mddev_t *mddev, struct bio *bi)
+void md_write_start(struct mddev *mddev, struct bio *bi)
{
int did_change = 0;
if (bio_data_dir(bi) != WRITE)
@@ -6926,7 +6926,7 @@
!test_bit(MD_CHANGE_PENDING, &mddev->flags));
}
-void md_write_end(mddev_t *mddev)
+void md_write_end(struct mddev *mddev)
{
if (atomic_dec_and_test(&mddev->writes_pending)) {
if (mddev->safemode == 2)
@@ -6945,7 +6945,7 @@
* In the ->external case MD_CHANGE_CLEAN can not be cleared until mddev->lock
* is dropped, so return -EAGAIN after notifying userspace.
*/
-int md_allow_write(mddev_t *mddev)
+int md_allow_write(struct mddev *mddev)
{
if (!mddev->pers)
return 0;
@@ -6977,9 +6977,9 @@
#define SYNC_MARKS 10
#define SYNC_MARK_STEP (3*HZ)
-void md_do_sync(mddev_t *mddev)
+void md_do_sync(struct mddev *mddev)
{
- mddev_t *mddev2;
+ struct mddev *mddev2;
unsigned int currspeed = 0,
window;
sector_t max_sectors,j, io_sectors;
@@ -7304,7 +7304,7 @@
}
EXPORT_SYMBOL_GPL(md_do_sync);
-static int remove_and_add_spares(mddev_t *mddev)
+static int remove_and_add_spares(struct mddev *mddev)
{
struct md_rdev *rdev;
int spares = 0;
@@ -7348,7 +7348,7 @@
return spares;
}
-static void reap_sync_thread(mddev_t *mddev)
+static void reap_sync_thread(struct mddev *mddev)
{
struct md_rdev *rdev;
@@ -7409,7 +7409,7 @@
* 5/ If array is degraded, try to add spares devices
* 6/ If array has spares or is not in-sync, start a resync thread.
*/
-void md_check_recovery(mddev_t *mddev)
+void md_check_recovery(struct mddev *mddev)
{
if (mddev->suspended)
return;
@@ -7569,7 +7569,7 @@
}
}
-void md_wait_for_blocked_rdev(struct md_rdev *rdev, mddev_t *mddev)
+void md_wait_for_blocked_rdev(struct md_rdev *rdev, struct mddev *mddev)
{
sysfs_notify_dirent_safe(rdev->sysfs_state);
wait_event_timeout(rdev->blocked_wait,
@@ -8070,7 +8070,7 @@
unsigned long code, void *x)
{
struct list_head *tmp;
- mddev_t *mddev;
+ struct mddev *mddev;
int need_delay = 0;
if ((code == SYS_DOWN) || (code == SYS_HALT) || (code == SYS_POWER_OFF)) {
@@ -8223,7 +8223,7 @@
static __exit void md_exit(void)
{
- mddev_t *mddev;
+ struct mddev *mddev;
struct list_head *tmp;
blk_unregister_region(MKDEV(MD_MAJOR,0), 1U << MINORBITS);