*/
/* IO operations when bitmap is stored near all superblocks */
-static struct page *read_sb_page(mddev_t *mddev, loff_t offset,
+static struct page *read_sb_page(struct mddev *mddev, loff_t offset,
struct page *page,
unsigned long index, int size)
{
}
-static struct md_rdev *next_active_rdev(struct md_rdev *rdev, mddev_t *mddev)
+static struct md_rdev *next_active_rdev(struct md_rdev *rdev, struct mddev *mddev)
{
/* Iterate the disks of an mddev, using rcu to protect access to the
* linked list, and raising the refcount of devices we return to ensure
{
struct md_rdev *rdev = NULL;
struct block_device *bdev;
- mddev_t *mddev = bitmap->mddev;
+ struct mddev *mddev = bitmap->mddev;
while ((rdev = next_active_rdev(rdev, mddev)) != NULL) {
int size = PAGE_SIZE;
* out to disk
*/
-void bitmap_daemon_work(mddev_t *mddev)
+void bitmap_daemon_work(struct mddev *mddev)
{
struct bitmap *bitmap;
unsigned long j;
/*
* flush out any pending updates
*/
-void bitmap_flush(mddev_t *mddev)
+void bitmap_flush(struct mddev *mddev)
{
struct bitmap *bitmap = mddev->bitmap;
long sleep;
kfree(bitmap);
}
-void bitmap_destroy(mddev_t *mddev)
+void bitmap_destroy(struct mddev *mddev)
{
struct bitmap *bitmap = mddev->bitmap;
* initialize the bitmap structure
* if this returns an error, bitmap_destroy must be called to do clean up
*/
-int bitmap_create(mddev_t *mddev)
+int bitmap_create(struct mddev *mddev)
{
struct bitmap *bitmap;
sector_t blocks = mddev->resync_max_sectors;
return err;
}
-int bitmap_load(mddev_t *mddev)
+int bitmap_load(struct mddev *mddev)
{
int err = 0;
sector_t start = 0;
EXPORT_SYMBOL_GPL(bitmap_load);
static ssize_t
-location_show(mddev_t *mddev, char *page)
+location_show(struct mddev *mddev, char *page)
{
ssize_t len;
if (mddev->bitmap_info.file)
}
static ssize_t
-location_store(mddev_t *mddev, const char *buf, size_t len)
+location_store(struct mddev *mddev, const char *buf, size_t len)
{
if (mddev->pers) {
__ATTR(location, S_IRUGO|S_IWUSR, location_show, location_store);
static ssize_t
-timeout_show(mddev_t *mddev, char *page)
+timeout_show(struct mddev *mddev, char *page)
{
ssize_t len;
unsigned long secs = mddev->bitmap_info.daemon_sleep / HZ;
}
static ssize_t
-timeout_store(mddev_t *mddev, const char *buf, size_t len)
+timeout_store(struct mddev *mddev, const char *buf, size_t len)
{
/* timeout can be set at any time */
unsigned long timeout;
__ATTR(time_base, S_IRUGO|S_IWUSR, timeout_show, timeout_store);
static ssize_t
-backlog_show(mddev_t *mddev, char *page)
+backlog_show(struct mddev *mddev, char *page)
{
return sprintf(page, "%lu\n", mddev->bitmap_info.max_write_behind);
}
static ssize_t
-backlog_store(mddev_t *mddev, const char *buf, size_t len)
+backlog_store(struct mddev *mddev, const char *buf, size_t len)
{
unsigned long backlog;
int rv = strict_strtoul(buf, 10, &backlog);
__ATTR(backlog, S_IRUGO|S_IWUSR, backlog_show, backlog_store);
static ssize_t
-chunksize_show(mddev_t *mddev, char *page)
+chunksize_show(struct mddev *mddev, char *page)
{
return sprintf(page, "%lu\n", mddev->bitmap_info.chunksize);
}
static ssize_t
-chunksize_store(mddev_t *mddev, const char *buf, size_t len)
+chunksize_store(struct mddev *mddev, const char *buf, size_t len)
{
/* Can only be changed when no bitmap is active */
int rv;
static struct md_sysfs_entry bitmap_chunksize =
__ATTR(chunksize, S_IRUGO|S_IWUSR, chunksize_show, chunksize_store);
-static ssize_t metadata_show(mddev_t *mddev, char *page)
+static ssize_t metadata_show(struct mddev *mddev, char *page)
{
return sprintf(page, "%s\n", (mddev->bitmap_info.external
? "external" : "internal"));
}
-static ssize_t metadata_store(mddev_t *mddev, const char *buf, size_t len)
+static ssize_t metadata_store(struct mddev *mddev, const char *buf, size_t len)
{
if (mddev->bitmap ||
mddev->bitmap_info.file ||
static struct md_sysfs_entry bitmap_metadata =
__ATTR(metadata, S_IRUGO|S_IWUSR, metadata_show, metadata_store);
-static ssize_t can_clear_show(mddev_t *mddev, char *page)
+static ssize_t can_clear_show(struct mddev *mddev, char *page)
{
int len;
if (mddev->bitmap)
return len;
}
-static ssize_t can_clear_store(mddev_t *mddev, const char *buf, size_t len)
+static ssize_t can_clear_store(struct mddev *mddev, const char *buf, size_t len)
{
if (mddev->bitmap == NULL)
return -ENOENT;
__ATTR(can_clear, S_IRUGO|S_IWUSR, can_clear_show, can_clear_store);
static ssize_t
-behind_writes_used_show(mddev_t *mddev, char *page)
+behind_writes_used_show(struct mddev *mddev, char *page)
{
if (mddev->bitmap == NULL)
return sprintf(page, "0\n");
}
static ssize_t
-behind_writes_used_reset(mddev_t *mddev, const char *buf, size_t len)
+behind_writes_used_reset(struct mddev *mddev, const char *buf, size_t len)
{
if (mddev->bitmap)
mddev->bitmap->behind_writes_used = 0;
unsigned long pages; /* total number of pages in the bitmap */
unsigned long missing_pages; /* number of pages not yet allocated */
- mddev_t *mddev; /* the md device that the bitmap is for */
+ struct mddev *mddev; /* the md device that the bitmap is for */
/* bitmap chunksize -- how much data does each bit represent? */
unsigned long chunkshift; /* chunksize = 2^chunkshift (for bitops) */
/* the bitmap API */
/* these are used only by md/bitmap */
-int bitmap_create(mddev_t *mddev);
-int bitmap_load(mddev_t *mddev);
-void bitmap_flush(mddev_t *mddev);
-void bitmap_destroy(mddev_t *mddev);
+int bitmap_create(struct mddev *mddev);
+int bitmap_load(struct mddev *mddev);
+void bitmap_flush(struct mddev *mddev);
+void bitmap_destroy(struct mddev *mddev);
void bitmap_print_sb(struct bitmap *bitmap);
void bitmap_update_sb(struct bitmap *bitmap);
void bitmap_cond_end_sync(struct bitmap *bitmap, sector_t sector);
void bitmap_unplug(struct bitmap *bitmap);
-void bitmap_daemon_work(mddev_t *mddev);
+void bitmap_daemon_work(struct mddev *mddev);
#endif
#endif
uint64_t print_flags;
- struct mddev_s md;
+ struct mddev md;
struct raid_type *raid_type;
struct dm_target_callbacks callbacks;
return 0;
}
-static void super_sync(mddev_t *mddev, struct md_rdev *rdev)
+static void super_sync(struct mddev *mddev, struct md_rdev *rdev)
{
struct md_rdev *r, *t;
uint64_t failed_devices;
return (events_sb > events_refsb) ? 1 : 0;
}
-static int super_init_validation(mddev_t *mddev, struct md_rdev *rdev)
+static int super_init_validation(struct mddev *mddev, struct md_rdev *rdev)
{
int role;
struct raid_set *rs = container_of(mddev, struct raid_set, md);
return 0;
}
-static int super_validate(mddev_t *mddev, struct md_rdev *rdev)
+static int super_validate(struct mddev *mddev, struct md_rdev *rdev)
{
struct dm_raid_superblock *sb = page_address(rdev->sb_page);
{
int ret;
struct md_rdev *rdev, *freshest, *tmp;
- mddev_t *mddev = &rs->md;
+ struct mddev *mddev = &rs->md;
freshest = NULL;
rdev_for_each(rdev, tmp, mddev) {
static int raid_map(struct dm_target *ti, struct bio *bio, union map_info *map_context)
{
struct raid_set *rs = ti->private;
- mddev_t *mddev = &rs->md;
+ struct mddev *mddev = &rs->md;
mddev->pers->make_request(mddev, bio);
conf->nfaults = n+1;
}
-static int make_request(mddev_t *mddev, struct bio *bio)
+static int make_request(struct mddev *mddev, struct bio *bio)
{
conf_t *conf = mddev->private;
int failit = 0;
}
}
-static void status(struct seq_file *seq, mddev_t *mddev)
+static void status(struct seq_file *seq, struct mddev *mddev)
{
conf_t *conf = mddev->private;
int n;
}
-static int reshape(mddev_t *mddev)
+static int reshape(struct mddev *mddev)
{
int mode = mddev->new_layout & ModeMask;
int count = mddev->new_layout >> ModeShift;
return 0;
}
-static sector_t faulty_size(mddev_t *mddev, sector_t sectors, int raid_disks)
+static sector_t faulty_size(struct mddev *mddev, sector_t sectors, int raid_disks)
{
WARN_ONCE(raid_disks,
"%s does not support generic reshape\n", __func__);
return sectors;
}
-static int run(mddev_t *mddev)
+static int run(struct mddev *mddev)
{
struct md_rdev *rdev;
int i;
return 0;
}
-static int stop(mddev_t *mddev)
+static int stop(struct mddev *mddev)
{
conf_t *conf = mddev->private;
/*
* find which device holds a particular offset
*/
-static inline dev_info_t *which_dev(mddev_t *mddev, sector_t sector)
+static inline dev_info_t *which_dev(struct mddev *mddev, sector_t sector)
{
int lo, mid, hi;
linear_conf_t *conf;
struct bvec_merge_data *bvm,
struct bio_vec *biovec)
{
- mddev_t *mddev = q->queuedata;
+ struct mddev *mddev = q->queuedata;
dev_info_t *dev0;
unsigned long maxsectors, bio_sectors = bvm->bi_size >> 9;
sector_t sector = bvm->bi_sector + get_start_sect(bvm->bi_bdev);
static int linear_congested(void *data, int bits)
{
- mddev_t *mddev = data;
+ struct mddev *mddev = data;
linear_conf_t *conf;
int i, ret = 0;
return ret;
}
-static sector_t linear_size(mddev_t *mddev, sector_t sectors, int raid_disks)
+static sector_t linear_size(struct mddev *mddev, sector_t sectors, int raid_disks)
{
linear_conf_t *conf;
sector_t array_sectors;
return array_sectors;
}
-static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks)
+static linear_conf_t *linear_conf(struct mddev *mddev, int raid_disks)
{
linear_conf_t *conf;
struct md_rdev *rdev;
return NULL;
}
-static int linear_run (mddev_t *mddev)
+static int linear_run (struct mddev *mddev)
{
linear_conf_t *conf;
return md_integrity_register(mddev);
}
-static int linear_add(mddev_t *mddev, struct md_rdev *rdev)
+static int linear_add(struct mddev *mddev, struct md_rdev *rdev)
{
/* Adding a drive to a linear array allows the array to grow.
* It is permitted if the new drive has a matching superblock
return 0;
}
-static int linear_stop (mddev_t *mddev)
+static int linear_stop (struct mddev *mddev)
{
linear_conf_t *conf = mddev->private;
return 0;
}
-static int linear_make_request (mddev_t *mddev, struct bio *bio)
+static int linear_make_request (struct mddev *mddev, struct bio *bio)
{
dev_info_t *tmp_dev;
sector_t start_sector;
return 1;
}
-static void linear_status (struct seq_file *seq, mddev_t *mddev)
+static void linear_status (struct seq_file *seq, struct mddev *mddev)
{
seq_printf(seq, " %dk rounding", mddev->chunk_sectors / 2);
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;
static void mddev_bio_destructor(struct bio *bio)
{
- mddev_t *mddev, **mddevp;
+ struct mddev *mddev, **mddevp;
mddevp = (void*)bio;
mddev = mddevp[-1];
}
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);
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);
*/
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);
/* 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);
* 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;}) \
)
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;
* 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;
}
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);
}
EXPORT_SYMBOL_GPL(mddev_resume);
-int mddev_congested(mddev_t *mddev, int bits)
+int mddev_congested(struct mddev *mddev, int bits)
{
return mddev->suspended;
}
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);
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);
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)
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,
*/
struct md_plug_cb {
struct blk_plug_cb cb;
- mddev_t *mddev;
+ struct mddev *mddev;
};
static void plugger_unplug(struct blk_plug_cb *cb)
/* 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;
}
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;
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;
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);
}
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);
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
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;
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;
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",
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
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);
* -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.
*
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);
};
* 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;
/*
* 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);
/*
* 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;
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);
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;
},
};
-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);
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;
* 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;
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);
}
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;
export_rdev(rdev);
}
-static void export_array(mddev_t *mddev)
+static void export_array(struct mddev *mddev)
{
struct md_rdev *rdev, *tmp;
{
struct list_head *tmp;
struct md_rdev *rdev;
- mddev_t *mddev;
+ struct mddev *mddev;
char b[BDEVNAME_SIZE];
printk("\n");
}
-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
}
}
-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;
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);
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;
* 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;
{
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)
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;
*/
-static void analyze_sbs(mddev_t * mddev)
+static void analyze_sbs(struct mddev * mddev)
{
int i;
struct md_rdev *rdev, *freshest, *tmp;
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;
__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)
}
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;
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 &&
}
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);
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;
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;
__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)
}
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);
__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");
}
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);
}
static ssize_t
-array_state_show(mddev_t *mddev, char *page)
+array_state_show(struct mddev *mddev, char *page)
{
enum array_state st = inactive;
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);
__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);
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.
__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;
__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).
* 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",
}
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;
__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))
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;
}
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);
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;
__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;
__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;
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)
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;
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))
__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");
(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;
__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);
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);
__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",
}
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);
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",
}
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;
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)
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)
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);
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);
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;
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)
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;
static int start_dirty_degraded;
-int md_run(mddev_t *mddev)
+int md_run(struct mddev *mddev)
{
int err;
struct md_rdev *rdev;
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);
}
EXPORT_SYMBOL_GPL(md_run);
-static int do_md_run(mddev_t *mddev)
+static int do_md_run(struct mddev *mddev)
{
int err;
return err;
}
-static int restart_array(mddev_t *mddev)
+static int restart_array(struct mddev *mddev)
{
struct gendisk *disk = mddev->gendisk;
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;
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);
}
}
-void md_stop_writes(mddev_t *mddev)
+void md_stop_writes(struct mddev *mddev)
{
mddev_lock(mddev);
__md_stop_writes(mddev);
}
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);
}
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);
* 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;
}
#ifndef MODULE
-static void autorun_array(mddev_t *mddev)
+static void autorun_array(struct mddev *mddev)
{
struct md_rdev *rdev;
int err;
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");
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;
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;
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;
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;
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;
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;
return err;
}
-static int set_bitmap_file(mddev_t *mddev, int fd)
+static int set_bitmap_file(struct mddev *mddev, int fd)
{
int err;
* 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) {
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__);
}
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;
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 */
* 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;
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;
*/
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;
{
int err = 0;
void __user *argp = (void __user *)arg;
- mddev_t *mddev = NULL;
+ struct mddev *mddev = NULL;
int ro;
if (!capable(CAP_SYS_ADMIN))
* 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) {
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);
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;
}
}
-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;
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();
}
-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;
{
struct list_head *tmp;
loff_t l = *pos;
- mddev_t *mddev;
+ struct mddev *mddev;
if (l >= 0x10000)
return NULL;
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;
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)
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;
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);
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;
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;
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);
* 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)
!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)
* 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;
#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;
}
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;
return spares;
}
-static void reap_sync_thread(mddev_t *mddev)
+static void reap_sync_thread(struct mddev *mddev)
{
struct md_rdev *rdev;
* 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;
}
}
-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,
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)) {
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);
#define MaxSector (~(sector_t)0)
-typedef struct mddev_s mddev_t;
-
/* Bad block numbers are stored sorted in a single page.
* 64bits is used for each block or extent.
* 54 bits are sector number, 9 bits are extent size,
struct list_head same_set; /* RAID devices within the same set */
sector_t sectors; /* Device size (in 512bytes sectors) */
- mddev_t *mddev; /* RAID array if running */
+ struct mddev *mddev; /* RAID array if running */
int last_events; /* IO event timestamp */
/*
extern int rdev_clear_badblocks(struct md_rdev *rdev, sector_t s, int sectors);
extern void md_ack_all_badblocks(struct badblocks *bb);
-struct mddev_s
-{
+struct mddev {
void *private;
struct mdk_personality *pers;
dev_t unit;
atomic_t flush_pending;
struct work_struct flush_work;
struct work_struct event_work; /* used by dm to report failure event */
- void (*sync_super)(mddev_t *mddev, struct md_rdev *rdev);
+ void (*sync_super)(struct mddev *mddev, struct md_rdev *rdev);
};
-static inline void rdev_dec_pending(struct md_rdev *rdev, mddev_t *mddev)
+static inline void rdev_dec_pending(struct md_rdev *rdev, struct mddev *mddev)
{
int faulty = test_bit(Faulty, &rdev->flags);
if (atomic_dec_and_test(&rdev->nr_pending) && faulty)
int level;
struct list_head list;
struct module *owner;
- int (*make_request)(mddev_t *mddev, struct bio *bio);
- int (*run)(mddev_t *mddev);
- int (*stop)(mddev_t *mddev);
- void (*status)(struct seq_file *seq, mddev_t *mddev);
+ int (*make_request)(struct mddev *mddev, struct bio *bio);
+ int (*run)(struct mddev *mddev);
+ int (*stop)(struct mddev *mddev);
+ void (*status)(struct seq_file *seq, struct mddev *mddev);
/* error_handler must set ->faulty and clear ->in_sync
* if appropriate, and should abort recovery if needed
*/
- void (*error_handler)(mddev_t *mddev, struct md_rdev *rdev);
- int (*hot_add_disk) (mddev_t *mddev, struct md_rdev *rdev);
- int (*hot_remove_disk) (mddev_t *mddev, int number);
- int (*spare_active) (mddev_t *mddev);
- sector_t (*sync_request)(mddev_t *mddev, sector_t sector_nr, int *skipped, int go_faster);
- int (*resize) (mddev_t *mddev, sector_t sectors);
- sector_t (*size) (mddev_t *mddev, sector_t sectors, int raid_disks);
- int (*check_reshape) (mddev_t *mddev);
- int (*start_reshape) (mddev_t *mddev);
- void (*finish_reshape) (mddev_t *mddev);
+ void (*error_handler)(struct mddev *mddev, struct md_rdev *rdev);
+ int (*hot_add_disk) (struct mddev *mddev, struct md_rdev *rdev);
+ int (*hot_remove_disk) (struct mddev *mddev, int number);
+ int (*spare_active) (struct mddev *mddev);
+ sector_t (*sync_request)(struct mddev *mddev, sector_t sector_nr, int *skipped, int go_faster);
+ int (*resize) (struct mddev *mddev, sector_t sectors);
+ sector_t (*size) (struct mddev *mddev, sector_t sectors, int raid_disks);
+ int (*check_reshape) (struct mddev *mddev);
+ int (*start_reshape) (struct mddev *mddev);
+ void (*finish_reshape) (struct mddev *mddev);
/* quiesce moves between quiescence states
* 0 - fully active
* 1 - no new requests allowed
* others - reserved
*/
- void (*quiesce) (mddev_t *mddev, int state);
+ void (*quiesce) (struct mddev *mddev, int state);
/* takeover is used to transition an array from one
* personality to another. The new personality must be able
* to handle the data in the current layout.
* This needs to be installed and then ->run used to activate the
* array.
*/
- void *(*takeover) (mddev_t *mddev);
+ void *(*takeover) (struct mddev *mddev);
};
struct md_sysfs_entry {
struct attribute attr;
- ssize_t (*show)(mddev_t *, char *);
- ssize_t (*store)(mddev_t *, const char *, size_t);
+ ssize_t (*show)(struct mddev *, char *);
+ ssize_t (*store)(struct mddev *, const char *, size_t);
};
extern struct attribute_group md_bitmap_group;
sysfs_notify_dirent(sd);
}
-static inline char * mdname (mddev_t * mddev)
+static inline char * mdname (struct mddev * mddev)
{
return mddev->gendisk ? mddev->gendisk->disk_name : "mdX";
}
-static inline int sysfs_link_rdev(mddev_t *mddev, struct md_rdev *rdev)
+static inline int sysfs_link_rdev(struct mddev *mddev, struct md_rdev *rdev)
{
char nm[20];
sprintf(nm, "rd%d", rdev->raid_disk);
return sysfs_create_link(&mddev->kobj, &rdev->kobj, nm);
}
-static inline void sysfs_unlink_rdev(mddev_t *mddev, struct md_rdev *rdev)
+static inline void sysfs_unlink_rdev(struct mddev *mddev, struct md_rdev *rdev)
{
char nm[20];
sprintf(nm, "rd%d", rdev->raid_disk);
list_for_each_entry_rcu(rdev, &((mddev)->disks), same_set)
typedef struct mdk_thread_s {
- void (*run) (mddev_t *mddev);
- mddev_t *mddev;
+ void (*run) (struct mddev *mddev);
+ struct mddev *mddev;
wait_queue_head_t wqueue;
unsigned long flags;
struct task_struct *tsk;
extern int register_md_personality(struct mdk_personality *p);
extern int unregister_md_personality(struct mdk_personality *p);
-extern mdk_thread_t * md_register_thread(void (*run) (mddev_t *mddev),
- mddev_t *mddev, const char *name);
+extern mdk_thread_t * md_register_thread(void (*run) (struct mddev *mddev),
+ struct mddev *mddev, const char *name);
extern void md_unregister_thread(mdk_thread_t **threadp);
extern void md_wakeup_thread(mdk_thread_t *thread);
-extern void md_check_recovery(mddev_t *mddev);
-extern void md_write_start(mddev_t *mddev, struct bio *bi);
-extern void md_write_end(mddev_t *mddev);
-extern void md_done_sync(mddev_t *mddev, int blocks, int ok);
-extern void md_error(mddev_t *mddev, struct md_rdev *rdev);
-
-extern int mddev_congested(mddev_t *mddev, int bits);
-extern void md_flush_request(mddev_t *mddev, struct bio *bio);
-extern void md_super_write(mddev_t *mddev, struct md_rdev *rdev,
+extern void md_check_recovery(struct mddev *mddev);
+extern void md_write_start(struct mddev *mddev, struct bio *bi);
+extern void md_write_end(struct mddev *mddev);
+extern void md_done_sync(struct mddev *mddev, int blocks, int ok);
+extern void md_error(struct mddev *mddev, struct md_rdev *rdev);
+
+extern int mddev_congested(struct mddev *mddev, int bits);
+extern void md_flush_request(struct mddev *mddev, struct bio *bio);
+extern void md_super_write(struct mddev *mddev, struct md_rdev *rdev,
sector_t sector, int size, struct page *page);
-extern void md_super_wait(mddev_t *mddev);
+extern void md_super_wait(struct mddev *mddev);
extern int sync_page_io(struct md_rdev *rdev, sector_t sector, int size,
struct page *page, int rw, bool metadata_op);
-extern void md_do_sync(mddev_t *mddev);
-extern void md_new_event(mddev_t *mddev);
-extern int md_allow_write(mddev_t *mddev);
-extern void md_wait_for_blocked_rdev(struct md_rdev *rdev, mddev_t *mddev);
-extern void md_set_array_sectors(mddev_t *mddev, sector_t array_sectors);
-extern int md_check_no_bitmap(mddev_t *mddev);
-extern int md_integrity_register(mddev_t *mddev);
-extern void md_integrity_add_rdev(struct md_rdev *rdev, mddev_t *mddev);
+extern void md_do_sync(struct mddev *mddev);
+extern void md_new_event(struct mddev *mddev);
+extern int md_allow_write(struct mddev *mddev);
+extern void md_wait_for_blocked_rdev(struct md_rdev *rdev, struct mddev *mddev);
+extern void md_set_array_sectors(struct mddev *mddev, sector_t array_sectors);
+extern int md_check_no_bitmap(struct mddev *mddev);
+extern int md_integrity_register(struct mddev *mddev);
+extern void md_integrity_add_rdev(struct md_rdev *rdev, struct mddev *mddev);
extern int strict_strtoul_scaled(const char *cp, unsigned long *res, int scale);
extern void restore_bitmap_write_access(struct file *file);
-extern void mddev_init(mddev_t *mddev);
-extern int md_run(mddev_t *mddev);
-extern void md_stop(mddev_t *mddev);
-extern void md_stop_writes(mddev_t *mddev);
+extern void mddev_init(struct mddev *mddev);
+extern int md_run(struct mddev *mddev);
+extern void md_stop(struct mddev *mddev);
+extern void md_stop_writes(struct mddev *mddev);
extern int md_rdev_init(struct md_rdev *rdev);
-extern void mddev_suspend(mddev_t *mddev);
-extern void mddev_resume(mddev_t *mddev);
+extern void mddev_suspend(struct mddev *mddev);
+extern void mddev_resume(struct mddev *mddev);
extern struct bio *bio_clone_mddev(struct bio *bio, gfp_t gfp_mask,
- mddev_t *mddev);
+ struct mddev *mddev);
extern struct bio *bio_alloc_mddev(gfp_t gfp_mask, int nr_iovecs,
- mddev_t *mddev);
-extern int mddev_check_plugged(mddev_t *mddev);
+ struct mddev *mddev);
+extern int mddev_check_plugged(struct mddev *mddev);
extern void md_trim_bio(struct bio *bio, int offset, int size);
#endif /* _MD_MD_H */
static void multipath_reschedule_retry (struct multipath_bh *mp_bh)
{
unsigned long flags;
- mddev_t *mddev = mp_bh->mddev;
+ struct mddev *mddev = mp_bh->mddev;
multipath_conf_t *conf = mddev->private;
spin_lock_irqsave(&conf->device_lock, flags);
rdev_dec_pending(rdev, conf->mddev);
}
-static int multipath_make_request(mddev_t *mddev, struct bio * bio)
+static int multipath_make_request(struct mddev *mddev, struct bio * bio)
{
multipath_conf_t *conf = mddev->private;
struct multipath_bh * mp_bh;
return 0;
}
-static void multipath_status (struct seq_file *seq, mddev_t *mddev)
+static void multipath_status (struct seq_file *seq, struct mddev *mddev)
{
multipath_conf_t *conf = mddev->private;
int i;
static int multipath_congested(void *data, int bits)
{
- mddev_t *mddev = data;
+ struct mddev *mddev = data;
multipath_conf_t *conf = mddev->private;
int i, ret = 0;
/*
* Careful, this can execute in IRQ contexts as well!
*/
-static void multipath_error (mddev_t *mddev, struct md_rdev *rdev)
+static void multipath_error (struct mddev *mddev, struct md_rdev *rdev)
{
multipath_conf_t *conf = mddev->private;
char b[BDEVNAME_SIZE];
}
-static int multipath_add_disk(mddev_t *mddev, struct md_rdev *rdev)
+static int multipath_add_disk(struct mddev *mddev, struct md_rdev *rdev)
{
multipath_conf_t *conf = mddev->private;
struct request_queue *q;
return err;
}
-static int multipath_remove_disk(mddev_t *mddev, int number)
+static int multipath_remove_disk(struct mddev *mddev, int number)
{
multipath_conf_t *conf = mddev->private;
int err = 0;
* 3. Performs writes following reads for array syncronising.
*/
-static void multipathd (mddev_t *mddev)
+static void multipathd (struct mddev *mddev)
{
struct multipath_bh *mp_bh;
struct bio *bio;
spin_unlock_irqrestore(&conf->device_lock, flags);
}
-static sector_t multipath_size(mddev_t *mddev, sector_t sectors, int raid_disks)
+static sector_t multipath_size(struct mddev *mddev, sector_t sectors, int raid_disks)
{
WARN_ONCE(sectors || raid_disks,
"%s does not support generic reshape\n", __func__);
return mddev->dev_sectors;
}
-static int multipath_run (mddev_t *mddev)
+static int multipath_run (struct mddev *mddev)
{
multipath_conf_t *conf;
int disk_idx;
}
-static int multipath_stop (mddev_t *mddev)
+static int multipath_stop (struct mddev *mddev)
{
multipath_conf_t *conf = mddev->private;
};
struct multipath_private_data {
- mddev_t *mddev;
+ struct mddev *mddev;
struct multipath_info *multipaths;
int raid_disks;
spinlock_t device_lock;
*/
struct multipath_bh {
- mddev_t *mddev;
+ struct mddev *mddev;
struct bio *master_bio;
struct bio bio;
int path;
static int raid0_congested(void *data, int bits)
{
- mddev_t *mddev = data;
+ struct mddev *mddev = data;
raid0_conf_t *conf = mddev->private;
struct md_rdev **devlist = conf->devlist;
int raid_disks = conf->strip_zone[0].nb_dev;
/*
* inform the user of the raid configuration
*/
-static void dump_zones(mddev_t *mddev)
+static void dump_zones(struct mddev *mddev)
{
int j, k;
sector_t zone_size = 0;
printk(KERN_INFO "\n");
}
-static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
+static int create_strip_zones(struct mddev *mddev, raid0_conf_t **private_conf)
{
int i, c, err;
sector_t curr_zone_end, sectors;
struct bvec_merge_data *bvm,
struct bio_vec *biovec)
{
- mddev_t *mddev = q->queuedata;
+ struct mddev *mddev = q->queuedata;
sector_t sector = bvm->bi_sector + get_start_sect(bvm->bi_bdev);
int max;
unsigned int chunk_sectors = mddev->chunk_sectors;
return max;
}
-static sector_t raid0_size(mddev_t *mddev, sector_t sectors, int raid_disks)
+static sector_t raid0_size(struct mddev *mddev, sector_t sectors, int raid_disks)
{
sector_t array_sectors = 0;
struct md_rdev *rdev;
return array_sectors;
}
-static int raid0_run(mddev_t *mddev)
+static int raid0_run(struct mddev *mddev)
{
raid0_conf_t *conf;
int ret;
return md_integrity_register(mddev);
}
-static int raid0_stop(mddev_t *mddev)
+static int raid0_stop(struct mddev *mddev)
{
raid0_conf_t *conf = mddev->private;
* remaps the bio to the target device. we separate two flows.
* power 2 flow and a general flow for the sake of perfromance
*/
-static struct md_rdev *map_sector(mddev_t *mddev, struct strip_zone *zone,
+static struct md_rdev *map_sector(struct mddev *mddev, struct strip_zone *zone,
sector_t sector, sector_t *sector_offset)
{
unsigned int sect_in_chunk;
/*
* Is io distribute over 1 or more chunks ?
*/
-static inline int is_io_in_chunk_boundary(mddev_t *mddev,
+static inline int is_io_in_chunk_boundary(struct mddev *mddev,
unsigned int chunk_sects, struct bio *bio)
{
if (likely(is_power_of_2(chunk_sects))) {
}
}
-static int raid0_make_request(mddev_t *mddev, struct bio *bio)
+static int raid0_make_request(struct mddev *mddev, struct bio *bio)
{
unsigned int chunk_sects;
sector_t sector_offset;
return 0;
}
-static void raid0_status(struct seq_file *seq, mddev_t *mddev)
+static void raid0_status(struct seq_file *seq, struct mddev *mddev)
{
seq_printf(seq, " %dk chunks", mddev->chunk_sectors / 2);
return;
}
-static void *raid0_takeover_raid45(mddev_t *mddev)
+static void *raid0_takeover_raid45(struct mddev *mddev)
{
struct md_rdev *rdev;
raid0_conf_t *priv_conf;
return priv_conf;
}
-static void *raid0_takeover_raid10(mddev_t *mddev)
+static void *raid0_takeover_raid10(struct mddev *mddev)
{
raid0_conf_t *priv_conf;
return priv_conf;
}
-static void *raid0_takeover_raid1(mddev_t *mddev)
+static void *raid0_takeover_raid1(struct mddev *mddev)
{
raid0_conf_t *priv_conf;
return priv_conf;
}
-static void *raid0_takeover(mddev_t *mddev)
+static void *raid0_takeover(struct mddev *mddev)
{
/* raid0 can take over:
* raid4 - if all data disks are active.
return ERR_PTR(-EINVAL);
}
-static void raid0_quiesce(mddev_t *mddev, int state)
+static void raid0_quiesce(struct mddev *mddev, int state)
{
}
static void reschedule_retry(r1bio_t *r1_bio)
{
unsigned long flags;
- mddev_t *mddev = r1_bio->mddev;
+ struct mddev *mddev = r1_bio->mddev;
conf_t *conf = mddev->private;
spin_lock_irqsave(&conf->device_lock, flags);
return best_disk;
}
-int md_raid1_congested(mddev_t *mddev, int bits)
+int md_raid1_congested(struct mddev *mddev, int bits)
{
conf_t *conf = mddev->private;
int i, ret = 0;
static int raid1_congested(void *data, int bits)
{
- mddev_t *mddev = data;
+ struct mddev *mddev = data;
return mddev_congested(mddev, bits) ||
md_raid1_congested(mddev, bits);
pr_debug("%dB behind alloc failed, doing sync I/O\n", bio->bi_size);
}
-static int make_request(mddev_t *mddev, struct bio * bio)
+static int make_request(struct mddev *mddev, struct bio * bio)
{
conf_t *conf = mddev->private;
mirror_info_t *mirror;
return 0;
}
-static void status(struct seq_file *seq, mddev_t *mddev)
+static void status(struct seq_file *seq, struct mddev *mddev)
{
conf_t *conf = mddev->private;
int i;
}
-static void error(mddev_t *mddev, struct md_rdev *rdev)
+static void error(struct mddev *mddev, struct md_rdev *rdev)
{
char b[BDEVNAME_SIZE];
conf_t *conf = mddev->private;
conf->r1buf_pool = NULL;
}
-static int raid1_spare_active(mddev_t *mddev)
+static int raid1_spare_active(struct mddev *mddev)
{
int i;
conf_t *conf = mddev->private;
}
-static int raid1_add_disk(mddev_t *mddev, struct md_rdev *rdev)
+static int raid1_add_disk(struct mddev *mddev, struct md_rdev *rdev)
{
conf_t *conf = mddev->private;
int err = -EEXIST;
return err;
}
-static int raid1_remove_disk(mddev_t *mddev, int number)
+static int raid1_remove_disk(struct mddev *mddev, int number)
{
conf_t *conf = mddev->private;
int err = 0;
{
int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
r1bio_t *r1_bio = bio->bi_private;
- mddev_t *mddev = r1_bio->mddev;
+ struct mddev *mddev = r1_bio->mddev;
conf_t *conf = mddev->private;
int mirror=0;
sector_t first_bad;
* made sure that anything with a bad block in range
* will have bi_end_io clear.
*/
- mddev_t *mddev = r1_bio->mddev;
+ struct mddev *mddev = r1_bio->mddev;
conf_t *conf = mddev->private;
struct bio *bio = r1_bio->bios[r1_bio->read_disk];
sector_t sect = r1_bio->sector;
* If any blocks failed to read, then we need to
* attempt an over-write
*/
- mddev_t *mddev = r1_bio->mddev;
+ struct mddev *mddev = r1_bio->mddev;
conf_t *conf = mddev->private;
int primary;
int i;
return 0;
}
-static void sync_request_write(mddev_t *mddev, r1bio_t *r1_bio)
+static void sync_request_write(struct mddev *mddev, r1bio_t *r1_bio)
{
conf_t *conf = mddev->private;
int i;
static void fix_read_error(conf_t *conf, int read_disk,
sector_t sect, int sectors)
{
- mddev_t *mddev = conf->mddev;
+ struct mddev *mddev = conf->mddev;
while(sectors) {
int s = sectors;
int d = read_disk;
static int narrow_write_error(r1bio_t *r1_bio, int i)
{
- mddev_t *mddev = r1_bio->mddev;
+ struct mddev *mddev = r1_bio->mddev;
conf_t *conf = mddev->private;
struct md_rdev *rdev = conf->mirrors[i].rdev;
int vcnt, idx;
{
int disk;
int max_sectors;
- mddev_t *mddev = conf->mddev;
+ struct mddev *mddev = conf->mddev;
struct bio *bio;
char b[BDEVNAME_SIZE];
struct md_rdev *rdev;
}
}
-static void raid1d(mddev_t *mddev)
+static void raid1d(struct mddev *mddev)
{
r1bio_t *r1_bio;
unsigned long flags;
* that can be installed to exclude normal IO requests.
*/
-static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, int go_faster)
+static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipped, int go_faster)
{
conf_t *conf = mddev->private;
r1bio_t *r1_bio;
return nr_sectors;
}
-static sector_t raid1_size(mddev_t *mddev, sector_t sectors, int raid_disks)
+static sector_t raid1_size(struct mddev *mddev, sector_t sectors, int raid_disks)
{
if (sectors)
return sectors;
return mddev->dev_sectors;
}
-static conf_t *setup_conf(mddev_t *mddev)
+static conf_t *setup_conf(struct mddev *mddev)
{
conf_t *conf;
int i;
return ERR_PTR(err);
}
-static int run(mddev_t *mddev)
+static int run(struct mddev *mddev)
{
conf_t *conf;
int i;
return md_integrity_register(mddev);
}
-static int stop(mddev_t *mddev)
+static int stop(struct mddev *mddev)
{
conf_t *conf = mddev->private;
struct bitmap *bitmap = mddev->bitmap;
return 0;
}
-static int raid1_resize(mddev_t *mddev, sector_t sectors)
+static int raid1_resize(struct mddev *mddev, sector_t sectors)
{
/* no resync is happening, and there is enough space
* on all devices, so we can resize.
return 0;
}
-static int raid1_reshape(mddev_t *mddev)
+static int raid1_reshape(struct mddev *mddev)
{
/* We need to:
* 1/ resize the r1bio_pool
return 0;
}
-static void raid1_quiesce(mddev_t *mddev, int state)
+static void raid1_quiesce(struct mddev *mddev, int state)
{
conf_t *conf = mddev->private;
}
}
-static void *raid1_takeover(mddev_t *mddev)
+static void *raid1_takeover(struct mddev *mddev)
{
/* raid1 can take over:
* raid5 with 2 devices, any layout or chunk size
*/
struct pool_info {
- mddev_t *mddev;
+ struct mddev *mddev;
int raid_disks;
};
typedef struct r1bio_s r1bio_t;
struct r1_private_data_s {
- mddev_t *mddev;
+ struct mddev *mddev;
mirror_info_t *mirrors;
int raid_disks;
sector_t sector;
int sectors;
unsigned long state;
- mddev_t *mddev;
+ struct mddev *mddev;
/*
* original bio going to /dev/mdx
*/
#define R1BIO_MadeGood 7
#define R1BIO_WriteError 8
-extern int md_raid1_congested(mddev_t *mddev, int bits);
+extern int md_raid1_congested(struct mddev *mddev, int bits);
#endif
static void reschedule_retry(r10bio_t *r10_bio)
{
unsigned long flags;
- mddev_t *mddev = r10_bio->mddev;
+ struct mddev *mddev = r10_bio->mddev;
conf_t *conf = mddev->private;
spin_lock_irqsave(&conf->device_lock, flags);
struct bvec_merge_data *bvm,
struct bio_vec *biovec)
{
- mddev_t *mddev = q->queuedata;
+ struct mddev *mddev = q->queuedata;
sector_t sector = bvm->bi_sector + get_start_sect(bvm->bi_bdev);
int max;
unsigned int chunk_sectors = mddev->chunk_sectors;
static int raid10_congested(void *data, int bits)
{
- mddev_t *mddev = data;
+ struct mddev *mddev = data;
conf_t *conf = mddev->private;
int i, ret = 0;
spin_unlock_irq(&conf->resync_lock);
}
-static int make_request(mddev_t *mddev, struct bio * bio)
+static int make_request(struct mddev *mddev, struct bio * bio)
{
conf_t *conf = mddev->private;
mirror_info_t *mirror;
return 0;
}
-static void status(struct seq_file *seq, mddev_t *mddev)
+static void status(struct seq_file *seq, struct mddev *mddev)
{
conf_t *conf = mddev->private;
int i;
return 1;
}
-static void error(mddev_t *mddev, struct md_rdev *rdev)
+static void error(struct mddev *mddev, struct md_rdev *rdev)
{
char b[BDEVNAME_SIZE];
conf_t *conf = mddev->private;
conf->r10buf_pool = NULL;
}
-static int raid10_spare_active(mddev_t *mddev)
+static int raid10_spare_active(struct mddev *mddev)
{
int i;
conf_t *conf = mddev->private;
}
-static int raid10_add_disk(mddev_t *mddev, struct md_rdev *rdev)
+static int raid10_add_disk(struct mddev *mddev, struct md_rdev *rdev)
{
conf_t *conf = mddev->private;
int err = -EEXIST;
return err;
}
-static int raid10_remove_disk(mddev_t *mddev, int number)
+static int raid10_remove_disk(struct mddev *mddev, int number)
{
conf_t *conf = mddev->private;
int err = 0;
static void end_sync_request(r10bio_t *r10_bio)
{
- mddev_t *mddev = r10_bio->mddev;
+ struct mddev *mddev = r10_bio->mddev;
while (atomic_dec_and_test(&r10_bio->remaining)) {
if (r10_bio->master_bio == NULL) {
{
int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
r10bio_t *r10_bio = bio->bi_private;
- mddev_t *mddev = r10_bio->mddev;
+ struct mddev *mddev = r10_bio->mddev;
conf_t *conf = mddev->private;
int d;
sector_t first_bad;
* We check if all blocks are in-sync and only write to blocks that
* aren't in sync
*/
-static void sync_request_write(mddev_t *mddev, r10bio_t *r10_bio)
+static void sync_request_write(struct mddev *mddev, r10bio_t *r10_bio)
{
conf_t *conf = mddev->private;
int i, first;
* If a read fails, record a bad block on both old and
* new devices.
*/
- mddev_t *mddev = r10_bio->mddev;
+ struct mddev *mddev = r10_bio->mddev;
conf_t *conf = mddev->private;
struct bio *bio = r10_bio->devs[0].bio;
sector_t sect = 0;
}
}
-static void recovery_request_write(mddev_t *mddev, r10bio_t *r10_bio)
+static void recovery_request_write(struct mddev *mddev, r10bio_t *r10_bio)
{
conf_t *conf = mddev->private;
int d;
* since the last recorded read error.
*
*/
-static void check_decay_read_errors(mddev_t *mddev, struct md_rdev *rdev)
+static void check_decay_read_errors(struct mddev *mddev, struct md_rdev *rdev)
{
struct timespec cur_time_mon;
unsigned long hours_since_last;
* 3. Performs writes following reads for array synchronising.
*/
-static void fix_read_error(conf_t *conf, mddev_t *mddev, r10bio_t *r10_bio)
+static void fix_read_error(conf_t *conf, struct mddev *mddev, r10bio_t *r10_bio)
{
int sect = 0; /* Offset from r10_bio->sector */
int sectors = r10_bio->sectors;
static int narrow_write_error(r10bio_t *r10_bio, int i)
{
struct bio *bio = r10_bio->master_bio;
- mddev_t *mddev = r10_bio->mddev;
+ struct mddev *mddev = r10_bio->mddev;
conf_t *conf = mddev->private;
struct md_rdev *rdev = conf->mirrors[r10_bio->devs[i].devnum].rdev;
/* bio has the data to be written to slot 'i' where
return ok;
}
-static void handle_read_error(mddev_t *mddev, r10bio_t *r10_bio)
+static void handle_read_error(struct mddev *mddev, r10bio_t *r10_bio)
{
int slot = r10_bio->read_slot;
int mirror = r10_bio->devs[slot].devnum;
}
}
-static void raid10d(mddev_t *mddev)
+static void raid10d(struct mddev *mddev)
{
r10bio_t *r10_bio;
unsigned long flags;
*
*/
-static sector_t sync_request(mddev_t *mddev, sector_t sector_nr,
+static sector_t sync_request(struct mddev *mddev, sector_t sector_nr,
int *skipped, int go_faster)
{
conf_t *conf = mddev->private;
}
static sector_t
-raid10_size(mddev_t *mddev, sector_t sectors, int raid_disks)
+raid10_size(struct mddev *mddev, sector_t sectors, int raid_disks)
{
sector_t size;
conf_t *conf = mddev->private;
}
-static conf_t *setup_conf(mddev_t *mddev)
+static conf_t *setup_conf(struct mddev *mddev)
{
conf_t *conf = NULL;
int nc, fc, fo;
return ERR_PTR(err);
}
-static int run(mddev_t *mddev)
+static int run(struct mddev *mddev)
{
conf_t *conf;
int i, disk_idx, chunk_size;
return -EIO;
}
-static int stop(mddev_t *mddev)
+static int stop(struct mddev *mddev)
{
conf_t *conf = mddev->private;
return 0;
}
-static void raid10_quiesce(mddev_t *mddev, int state)
+static void raid10_quiesce(struct mddev *mddev, int state)
{
conf_t *conf = mddev->private;
}
}
-static void *raid10_takeover_raid0(mddev_t *mddev)
+static void *raid10_takeover_raid0(struct mddev *mddev)
{
struct md_rdev *rdev;
conf_t *conf;
return conf;
}
-static void *raid10_takeover(mddev_t *mddev)
+static void *raid10_takeover(struct mddev *mddev)
{
struct raid0_private_data *raid0_priv;
typedef struct r10bio_s r10bio_t;
struct r10_private_data_s {
- mddev_t *mddev;
+ struct mddev *mddev;
mirror_info_t *mirrors;
int raid_disks;
spinlock_t device_lock;
sector_t sector; /* virtual sector number */
int sectors;
unsigned long state;
- mddev_t *mddev;
+ struct mddev *mddev;
/*
* original bio going to /dev/mdx
*/
dev->sector = compute_blocknr(sh, i, previous);
}
-static void error(mddev_t *mddev, struct md_rdev *rdev)
+static void error(struct mddev *mddev, struct md_rdev *rdev)
{
char b[BDEVNAME_SIZE];
raid5_conf_t *conf = mddev->private;
}
}
-int md_raid5_congested(mddev_t *mddev, int bits)
+int md_raid5_congested(struct mddev *mddev, int bits)
{
raid5_conf_t *conf = mddev->private;
static int raid5_congested(void *data, int bits)
{
- mddev_t *mddev = data;
+ struct mddev *mddev = data;
return mddev_congested(mddev, bits) ||
md_raid5_congested(mddev, bits);
struct bvec_merge_data *bvm,
struct bio_vec *biovec)
{
- mddev_t *mddev = q->queuedata;
+ struct mddev *mddev = q->queuedata;
sector_t sector = bvm->bi_sector + get_start_sect(bvm->bi_bdev);
int max;
unsigned int chunk_sectors = mddev->chunk_sectors;
}
-static int in_chunk_boundary(mddev_t *mddev, struct bio *bio)
+static int in_chunk_boundary(struct mddev *mddev, struct bio *bio)
{
sector_t sector = bio->bi_sector + get_start_sect(bio->bi_bdev);
unsigned int chunk_sectors = mddev->chunk_sectors;
static void raid5_align_endio(struct bio *bi, int error)
{
struct bio* raid_bi = bi->bi_private;
- mddev_t *mddev;
+ struct mddev *mddev;
raid5_conf_t *conf;
int uptodate = test_bit(BIO_UPTODATE, &bi->bi_flags);
struct md_rdev *rdev;
}
-static int chunk_aligned_read(mddev_t *mddev, struct bio * raid_bio)
+static int chunk_aligned_read(struct mddev *mddev, struct bio * raid_bio)
{
raid5_conf_t *conf = mddev->private;
int dd_idx;
return sh;
}
-static int make_request(mddev_t *mddev, struct bio * bi)
+static int make_request(struct mddev *mddev, struct bio * bi)
{
raid5_conf_t *conf = mddev->private;
int dd_idx;
return 0;
}
-static sector_t raid5_size(mddev_t *mddev, sector_t sectors, int raid_disks);
+static sector_t raid5_size(struct mddev *mddev, sector_t sectors, int raid_disks);
-static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped)
+static sector_t reshape_request(struct mddev *mddev, sector_t sector_nr, int *skipped)
{
/* reshaping is quite different to recovery/resync so it is
* handled quite separately ... here.
}
/* FIXME go_faster isn't used */
-static inline sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, int go_faster)
+static inline sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipped, int go_faster)
{
raid5_conf_t *conf = mddev->private;
struct stripe_head *sh;
* During the scan, completed stripes are saved for us by the interrupt
* handler, so that they will not have to wait for our next wakeup.
*/
-static void raid5d(mddev_t *mddev)
+static void raid5d(struct mddev *mddev)
{
struct stripe_head *sh;
raid5_conf_t *conf = mddev->private;
}
static ssize_t
-raid5_show_stripe_cache_size(mddev_t *mddev, char *page)
+raid5_show_stripe_cache_size(struct mddev *mddev, char *page)
{
raid5_conf_t *conf = mddev->private;
if (conf)
}
int
-raid5_set_cache_size(mddev_t *mddev, int size)
+raid5_set_cache_size(struct mddev *mddev, int size)
{
raid5_conf_t *conf = mddev->private;
int err;
EXPORT_SYMBOL(raid5_set_cache_size);
static ssize_t
-raid5_store_stripe_cache_size(mddev_t *mddev, const char *page, size_t len)
+raid5_store_stripe_cache_size(struct mddev *mddev, const char *page, size_t len)
{
raid5_conf_t *conf = mddev->private;
unsigned long new;
raid5_store_stripe_cache_size);
static ssize_t
-raid5_show_preread_threshold(mddev_t *mddev, char *page)
+raid5_show_preread_threshold(struct mddev *mddev, char *page)
{
raid5_conf_t *conf = mddev->private;
if (conf)
}
static ssize_t
-raid5_store_preread_threshold(mddev_t *mddev, const char *page, size_t len)
+raid5_store_preread_threshold(struct mddev *mddev, const char *page, size_t len)
{
raid5_conf_t *conf = mddev->private;
unsigned long new;
raid5_store_preread_threshold);
static ssize_t
-stripe_cache_active_show(mddev_t *mddev, char *page)
+stripe_cache_active_show(struct mddev *mddev, char *page)
{
raid5_conf_t *conf = mddev->private;
if (conf)
};
static sector_t
-raid5_size(mddev_t *mddev, sector_t sectors, int raid_disks)
+raid5_size(struct mddev *mddev, sector_t sectors, int raid_disks)
{
raid5_conf_t *conf = mddev->private;
return err;
}
-static raid5_conf_t *setup_conf(mddev_t *mddev)
+static raid5_conf_t *setup_conf(struct mddev *mddev)
{
raid5_conf_t *conf;
int raid_disk, memory, max_disks;
return 0;
}
-static int run(mddev_t *mddev)
+static int run(struct mddev *mddev)
{
raid5_conf_t *conf;
int working_disks = 0;
return -EIO;
}
-static int stop(mddev_t *mddev)
+static int stop(struct mddev *mddev)
{
raid5_conf_t *conf = mddev->private;
return 0;
}
-static void status(struct seq_file *seq, mddev_t *mddev)
+static void status(struct seq_file *seq, struct mddev *mddev)
{
raid5_conf_t *conf = mddev->private;
int i;
}
}
-static int raid5_spare_active(mddev_t *mddev)
+static int raid5_spare_active(struct mddev *mddev)
{
int i;
raid5_conf_t *conf = mddev->private;
return count;
}
-static int raid5_remove_disk(mddev_t *mddev, int number)
+static int raid5_remove_disk(struct mddev *mddev, int number)
{
raid5_conf_t *conf = mddev->private;
int err = 0;
return err;
}
-static int raid5_add_disk(mddev_t *mddev, struct md_rdev *rdev)
+static int raid5_add_disk(struct mddev *mddev, struct md_rdev *rdev)
{
raid5_conf_t *conf = mddev->private;
int err = -EEXIST;
return err;
}
-static int raid5_resize(mddev_t *mddev, sector_t sectors)
+static int raid5_resize(struct mddev *mddev, sector_t sectors)
{
/* no resync is happening, and there is enough space
* on all devices, so we can resize.
return 0;
}
-static int check_stripe_cache(mddev_t *mddev)
+static int check_stripe_cache(struct mddev *mddev)
{
/* Can only proceed if there are plenty of stripe_heads.
* We need a minimum of one full stripe,, and for sensible progress
return 1;
}
-static int check_reshape(mddev_t *mddev)
+static int check_reshape(struct mddev *mddev)
{
raid5_conf_t *conf = mddev->private;
return resize_stripes(conf, conf->raid_disks + mddev->delta_disks);
}
-static int raid5_start_reshape(mddev_t *mddev)
+static int raid5_start_reshape(struct mddev *mddev)
{
raid5_conf_t *conf = mddev->private;
struct md_rdev *rdev;
/* This is called from the raid5d thread with mddev_lock held.
* It makes config changes to the device.
*/
-static void raid5_finish_reshape(mddev_t *mddev)
+static void raid5_finish_reshape(struct mddev *mddev)
{
raid5_conf_t *conf = mddev->private;
}
}
-static void raid5_quiesce(mddev_t *mddev, int state)
+static void raid5_quiesce(struct mddev *mddev, int state)
{
raid5_conf_t *conf = mddev->private;
}
-static void *raid45_takeover_raid0(mddev_t *mddev, int level)
+static void *raid45_takeover_raid0(struct mddev *mddev, int level)
{
struct raid0_private_data *raid0_priv = mddev->private;
sector_t sectors;
}
-static void *raid5_takeover_raid1(mddev_t *mddev)
+static void *raid5_takeover_raid1(struct mddev *mddev)
{
int chunksect;
return setup_conf(mddev);
}
-static void *raid5_takeover_raid6(mddev_t *mddev)
+static void *raid5_takeover_raid6(struct mddev *mddev)
{
int new_layout;
}
-static int raid5_check_reshape(mddev_t *mddev)
+static int raid5_check_reshape(struct mddev *mddev)
{
/* For a 2-drive array, the layout and chunk size can be changed
* immediately as not restriping is needed.
return check_reshape(mddev);
}
-static int raid6_check_reshape(mddev_t *mddev)
+static int raid6_check_reshape(struct mddev *mddev)
{
int new_chunk = mddev->new_chunk_sectors;
return check_reshape(mddev);
}
-static void *raid5_takeover(mddev_t *mddev)
+static void *raid5_takeover(struct mddev *mddev)
{
/* raid5 can take over:
* raid0 - if there is only one strip zone - make it a raid4 layout
return ERR_PTR(-EINVAL);
}
-static void *raid4_takeover(mddev_t *mddev)
+static void *raid4_takeover(struct mddev *mddev)
{
/* raid4 can take over:
* raid0 - if there is only one strip zone
static struct mdk_personality raid5_personality;
-static void *raid6_takeover(mddev_t *mddev)
+static void *raid6_takeover(struct mddev *mddev)
{
/* Currently can only take over a raid5. We map the
* personality to an equivalent raid6 personality
struct raid5_private_data {
struct hlist_head *stripe_hashtbl;
- mddev_t *mddev;
+ struct mddev *mddev;
struct disk_info *spare;
int chunk_sectors;
int level, algorithm;
return layout >= 8 && layout <= 10;
}
-extern int md_raid5_congested(mddev_t *mddev, int bits);
+extern int md_raid5_congested(struct mddev *mddev, int bits);
extern void md_raid5_kick_device(raid5_conf_t *conf);
-extern int raid5_set_cache_size(mddev_t *mddev, int size);
+extern int raid5_set_cache_size(struct mddev *mddev, int size);
#endif
projects / cascardo / linux.git / commitdiff