{
/* choose a good rdev and read the page from there */
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
sector_t target;
int did_alloc = 0;
}
-static mdk_rdev_t *next_active_rdev(mdk_rdev_t *rdev, mddev_t *mddev)
+static struct md_rdev *next_active_rdev(struct md_rdev *rdev, mddev_t *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
pos = &rdev->same_set;
}
list_for_each_continue_rcu(pos, &mddev->disks) {
- rdev = list_entry(pos, mdk_rdev_t, same_set);
+ rdev = list_entry(pos, struct md_rdev, same_set);
if (rdev->raid_disk >= 0 &&
!test_bit(Faulty, &rdev->flags)) {
/* this is a usable devices */
static int write_sb_page(struct bitmap *bitmap, struct page *page, int wait)
{
- mdk_rdev_t *rdev = NULL;
+ struct md_rdev *rdev = NULL;
struct block_device *bdev;
mddev_t *mddev = bitmap->mddev;
*/
struct dm_dev *meta_dev;
struct dm_dev *data_dev;
- struct mdk_rdev_s rdev;
+ struct md_rdev rdev;
};
/*
/* Always set to 0 when writing. */
} __packed;
-static int read_disk_sb(mdk_rdev_t *rdev, int size)
+static int read_disk_sb(struct md_rdev *rdev, int size)
{
BUG_ON(!rdev->sb_page);
return 0;
}
-static void super_sync(mddev_t *mddev, mdk_rdev_t *rdev)
+static void super_sync(mddev_t *mddev, struct md_rdev *rdev)
{
- mdk_rdev_t *r, *t;
+ struct md_rdev *r, *t;
uint64_t failed_devices;
struct dm_raid_superblock *sb;
*
* Return: 1 if use rdev, 0 if use refdev, -Exxx otherwise
*/
-static int super_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev)
+static int super_load(struct md_rdev *rdev, struct md_rdev *refdev)
{
int ret;
struct dm_raid_superblock *sb;
return (events_sb > events_refsb) ? 1 : 0;
}
-static int super_init_validation(mddev_t *mddev, mdk_rdev_t *rdev)
+static int super_init_validation(mddev_t *mddev, struct md_rdev *rdev)
{
int role;
struct raid_set *rs = container_of(mddev, struct raid_set, md);
struct dm_raid_superblock *sb;
uint32_t new_devs = 0;
uint32_t rebuilds = 0;
- mdk_rdev_t *r, *t;
+ struct md_rdev *r, *t;
struct dm_raid_superblock *sb2;
sb = page_address(rdev->sb_page);
return 0;
}
-static int super_validate(mddev_t *mddev, mdk_rdev_t *rdev)
+static int super_validate(mddev_t *mddev, struct md_rdev *rdev)
{
struct dm_raid_superblock *sb = page_address(rdev->sb_page);
static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs)
{
int ret;
- mdk_rdev_t *rdev, *freshest, *tmp;
+ struct md_rdev *rdev, *freshest, *tmp;
mddev_t *mddev = &rs->md;
freshest = NULL;
sector_t faults[MaxFault];
int modes[MaxFault];
int nfaults;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
} conf_t;
static int check_mode(conf_t *conf, int mode)
static int run(mddev_t *mddev)
{
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
int i;
conf_t *conf;
static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks)
{
linear_conf_t *conf;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
int i, cnt;
conf = kzalloc (sizeof (*conf) + raid_disks*sizeof(dev_info_t),
return md_integrity_register(mddev);
}
-static int linear_add(mddev_t *mddev, mdk_rdev_t *rdev)
+static int linear_add(mddev_t *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
#define _LINEAR_H
struct dev_info {
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
sector_t end_sector;
};
static void md_end_flush(struct bio *bio, int err)
{
- mdk_rdev_t *rdev = bio->bi_private;
+ struct md_rdev *rdev = bio->bi_private;
mddev_t *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);
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
INIT_WORK(&mddev->flush_work, md_submit_flush_data);
atomic_set(&mddev->flush_pending, 1);
spin_unlock(&pers_lock);
}
-static mdk_rdev_t * find_rdev_nr(mddev_t *mddev, int nr)
+static struct md_rdev * find_rdev_nr(mddev_t *mddev, int nr)
{
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
list_for_each_entry(rdev, &mddev->disks, same_set)
if (rdev->desc_nr == nr)
return NULL;
}
-static mdk_rdev_t * find_rdev(mddev_t * mddev, dev_t dev)
+static struct md_rdev * find_rdev(mddev_t * mddev, dev_t dev)
{
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
list_for_each_entry(rdev, &mddev->disks, same_set)
if (rdev->bdev->bd_dev == dev)
}
/* return the offset of the super block in 512byte sectors */
-static inline sector_t calc_dev_sboffset(mdk_rdev_t *rdev)
+static inline sector_t calc_dev_sboffset(struct md_rdev *rdev)
{
sector_t num_sectors = i_size_read(rdev->bdev->bd_inode) / 512;
return MD_NEW_SIZE_SECTORS(num_sectors);
}
-static int alloc_disk_sb(mdk_rdev_t * rdev)
+static int alloc_disk_sb(struct md_rdev * rdev)
{
if (rdev->sb_page)
MD_BUG();
return 0;
}
-static void free_disk_sb(mdk_rdev_t * rdev)
+static void free_disk_sb(struct md_rdev * rdev)
{
if (rdev->sb_page) {
put_page(rdev->sb_page);
static void super_written(struct bio *bio, int error)
{
- mdk_rdev_t *rdev = bio->bi_private;
+ struct md_rdev *rdev = bio->bi_private;
mddev_t *mddev = rdev->mddev;
if (error || !test_bit(BIO_UPTODATE, &bio->bi_flags)) {
bio_put(bio);
}
-void md_super_write(mddev_t *mddev, mdk_rdev_t *rdev,
+void md_super_write(mddev_t *mddev, struct md_rdev *rdev,
sector_t sector, int size, struct page *page)
{
/* write first size bytes of page to sector of rdev
complete((struct completion*)bio->bi_private);
}
-int sync_page_io(mdk_rdev_t *rdev, sector_t sector, int size,
+int sync_page_io(struct md_rdev *rdev, sector_t sector, int size,
struct page *page, int rw, bool metadata_op)
{
struct bio *bio = bio_alloc_mddev(GFP_NOIO, 1, rdev->mddev);
}
EXPORT_SYMBOL_GPL(sync_page_io);
-static int read_disk_sb(mdk_rdev_t * rdev, int size)
+static int read_disk_sb(struct md_rdev * rdev, int size)
{
char b[BDEVNAME_SIZE];
if (!rdev->sb_page) {
* We rely on user-space to write the initial superblock, and support
* reading and updating of superblocks.
* Interface methods are:
- * int load_super(mdk_rdev_t *dev, mdk_rdev_t *refdev, int minor_version)
+ * int load_super(struct md_rdev *dev, struct md_rdev *refdev, int minor_version)
* loads and validates a superblock on dev.
* if refdev != NULL, compare superblocks on both devices
* Return:
* -EINVAL superblock incompatible or invalid
* -othererror e.g. -EIO
*
- * int validate_super(mddev_t *mddev, mdk_rdev_t *dev)
+ * int validate_super(mddev_t *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, mdk_rdev_t *dev)
+ * void sync_super(mddev_t *mddev, struct md_rdev *dev)
* Update the superblock for rdev with data in mddev
* This does not write to disc.
*
struct super_type {
char *name;
struct module *owner;
- int (*load_super)(mdk_rdev_t *rdev, mdk_rdev_t *refdev,
+ int (*load_super)(struct md_rdev *rdev, struct md_rdev *refdev,
int minor_version);
- int (*validate_super)(mddev_t *mddev, mdk_rdev_t *rdev);
- void (*sync_super)(mddev_t *mddev, mdk_rdev_t *rdev);
- unsigned long long (*rdev_size_change)(mdk_rdev_t *rdev,
+ int (*validate_super)(mddev_t *mddev, struct md_rdev *rdev);
+ void (*sync_super)(mddev_t *mddev, struct md_rdev *rdev);
+ unsigned long long (*rdev_size_change)(struct md_rdev *rdev,
sector_t num_sectors);
};
/*
* load_super for 0.90.0
*/
-static int super_90_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version)
+static int super_90_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_version)
{
char b[BDEVNAME_SIZE], b2[BDEVNAME_SIZE];
mdp_super_t *sb;
/*
* validate_super for 0.90.0
*/
-static int super_90_validate(mddev_t *mddev, mdk_rdev_t *rdev)
+static int super_90_validate(mddev_t *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, mdk_rdev_t *rdev)
+static void super_90_sync(mddev_t *mddev, struct md_rdev *rdev)
{
mdp_super_t *sb;
- mdk_rdev_t *rdev2;
+ struct md_rdev *rdev2;
int next_spare = mddev->raid_disks;
* rdev_size_change for 0.90.0
*/
static unsigned long long
-super_90_rdev_size_change(mdk_rdev_t *rdev, sector_t num_sectors)
+super_90_rdev_size_change(struct md_rdev *rdev, sector_t num_sectors)
{
if (num_sectors && num_sectors < rdev->mddev->dev_sectors)
return 0; /* component must fit device */
static int md_set_badblocks(struct badblocks *bb, sector_t s, int sectors,
int acknowledged);
-static int super_1_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version)
+static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_version)
{
struct mdp_superblock_1 *sb;
int ret;
return ret;
}
-static int super_1_validate(mddev_t *mddev, mdk_rdev_t *rdev)
+static int super_1_validate(mddev_t *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, mdk_rdev_t *rdev)
+static void super_1_sync(mddev_t *mddev, struct md_rdev *rdev)
{
struct mdp_superblock_1 *sb;
- mdk_rdev_t *rdev2;
+ struct md_rdev *rdev2;
int max_dev, i;
/* make rdev->sb match mddev and rdev data. */
}
static unsigned long long
-super_1_rdev_size_change(mdk_rdev_t *rdev, sector_t num_sectors)
+super_1_rdev_size_change(struct md_rdev *rdev, sector_t num_sectors)
{
struct mdp_superblock_1 *sb;
sector_t max_sectors;
},
};
-static void sync_super(mddev_t *mddev, mdk_rdev_t *rdev)
+static void sync_super(mddev_t *mddev, struct md_rdev *rdev)
{
if (mddev->sync_super) {
mddev->sync_super(mddev, rdev);
static int match_mddev_units(mddev_t *mddev1, mddev_t *mddev2)
{
- mdk_rdev_t *rdev, *rdev2;
+ struct md_rdev *rdev, *rdev2;
rcu_read_lock();
rdev_for_each_rcu(rdev, mddev1)
*/
int md_integrity_register(mddev_t *mddev)
{
- mdk_rdev_t *rdev, *reference = NULL;
+ struct md_rdev *rdev, *reference = NULL;
if (list_empty(&mddev->disks))
return 0; /* nothing to do */
EXPORT_SYMBOL(md_integrity_register);
/* Disable data integrity if non-capable/non-matching disk is being added */
-void md_integrity_add_rdev(mdk_rdev_t *rdev, mddev_t *mddev)
+void md_integrity_add_rdev(struct md_rdev *rdev, mddev_t *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(mdk_rdev_t * rdev, mddev_t * mddev)
+static int bind_rdev_to_array(struct md_rdev * rdev, mddev_t * mddev)
{
char b[BDEVNAME_SIZE];
struct kobject *ko;
static void md_delayed_delete(struct work_struct *ws)
{
- mdk_rdev_t *rdev = container_of(ws, mdk_rdev_t, del_work);
+ struct md_rdev *rdev = container_of(ws, struct md_rdev, del_work);
kobject_del(&rdev->kobj);
kobject_put(&rdev->kobj);
}
-static void unbind_rdev_from_array(mdk_rdev_t * rdev)
+static void unbind_rdev_from_array(struct md_rdev * rdev)
{
char b[BDEVNAME_SIZE];
if (!rdev->mddev) {
* otherwise reused by a RAID array (or any other kernel
* subsystem), by bd_claiming the device.
*/
-static int lock_rdev(mdk_rdev_t *rdev, dev_t dev, int shared)
+static int lock_rdev(struct md_rdev *rdev, dev_t dev, int shared)
{
int err = 0;
struct block_device *bdev;
char b[BDEVNAME_SIZE];
bdev = blkdev_get_by_dev(dev, FMODE_READ|FMODE_WRITE|FMODE_EXCL,
- shared ? (mdk_rdev_t *)lock_rdev : rdev);
+ shared ? (struct md_rdev *)lock_rdev : rdev);
if (IS_ERR(bdev)) {
printk(KERN_ERR "md: could not open %s.\n",
__bdevname(dev, b));
return err;
}
-static void unlock_rdev(mdk_rdev_t *rdev)
+static void unlock_rdev(struct md_rdev *rdev)
{
struct block_device *bdev = rdev->bdev;
rdev->bdev = NULL;
void md_autodetect_dev(dev_t dev);
-static void export_rdev(mdk_rdev_t * rdev)
+static void export_rdev(struct md_rdev * rdev)
{
char b[BDEVNAME_SIZE];
printk(KERN_INFO "md: export_rdev(%s)\n",
kobject_put(&rdev->kobj);
}
-static void kick_rdev_from_array(mdk_rdev_t * rdev)
+static void kick_rdev_from_array(struct md_rdev * rdev)
{
unbind_rdev_from_array(rdev);
export_rdev(rdev);
static void export_array(mddev_t *mddev)
{
- mdk_rdev_t *rdev, *tmp;
+ struct md_rdev *rdev, *tmp;
rdev_for_each(rdev, tmp, mddev) {
if (!rdev->mddev) {
);
}
-static void print_rdev(mdk_rdev_t *rdev, int major_version)
+static void print_rdev(struct md_rdev *rdev, int major_version)
{
char b[BDEVNAME_SIZE];
printk(KERN_INFO "md: rdev %s, Sect:%08llu F:%d S:%d DN:%u\n",
static void md_print_devices(void)
{
struct list_head *tmp;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
mddev_t *mddev;
char b[BDEVNAME_SIZE];
* (which would mean they aren't being marked as dirty
* with the rest of the array)
*/
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
list_for_each_entry(rdev, &mddev->disks, same_set) {
if (rdev->sb_events == mddev->events ||
(nospares &&
static void md_update_sb(mddev_t * mddev, int force_change)
{
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
int sync_req;
int nospares = 0;
int any_badblocks_changed = 0;
struct rdev_sysfs_entry {
struct attribute attr;
- ssize_t (*show)(mdk_rdev_t *, char *);
- ssize_t (*store)(mdk_rdev_t *, const char *, size_t);
+ ssize_t (*show)(struct md_rdev *, char *);
+ ssize_t (*store)(struct md_rdev *, const char *, size_t);
};
static ssize_t
-state_show(mdk_rdev_t *rdev, char *page)
+state_show(struct md_rdev *rdev, char *page)
{
char *sep = "";
size_t len = 0;
}
static ssize_t
-state_store(mdk_rdev_t *rdev, const char *buf, size_t len)
+state_store(struct md_rdev *rdev, const char *buf, size_t len)
{
/* can write
* faulty - simulates an error
__ATTR(state, S_IRUGO|S_IWUSR, state_show, state_store);
static ssize_t
-errors_show(mdk_rdev_t *rdev, char *page)
+errors_show(struct md_rdev *rdev, char *page)
{
return sprintf(page, "%d\n", atomic_read(&rdev->corrected_errors));
}
static ssize_t
-errors_store(mdk_rdev_t *rdev, const char *buf, size_t len)
+errors_store(struct md_rdev *rdev, const char *buf, size_t len)
{
char *e;
unsigned long n = simple_strtoul(buf, &e, 10);
__ATTR(errors, S_IRUGO|S_IWUSR, errors_show, errors_store);
static ssize_t
-slot_show(mdk_rdev_t *rdev, char *page)
+slot_show(struct md_rdev *rdev, char *page)
{
if (rdev->raid_disk < 0)
return sprintf(page, "none\n");
}
static ssize_t
-slot_store(mdk_rdev_t *rdev, const char *buf, size_t len)
+slot_store(struct md_rdev *rdev, const char *buf, size_t len)
{
char *e;
int err;
set_bit(MD_RECOVERY_NEEDED, &rdev->mddev->recovery);
md_wakeup_thread(rdev->mddev->thread);
} else if (rdev->mddev->pers) {
- mdk_rdev_t *rdev2;
+ struct md_rdev *rdev2;
/* Activating a spare .. or possibly reactivating
* if we ever get bitmaps working here.
*/
__ATTR(slot, S_IRUGO|S_IWUSR, slot_show, slot_store);
static ssize_t
-offset_show(mdk_rdev_t *rdev, char *page)
+offset_show(struct md_rdev *rdev, char *page)
{
return sprintf(page, "%llu\n", (unsigned long long)rdev->data_offset);
}
static ssize_t
-offset_store(mdk_rdev_t *rdev, const char *buf, size_t len)
+offset_store(struct md_rdev *rdev, const char *buf, size_t len)
{
char *e;
unsigned long long offset = simple_strtoull(buf, &e, 10);
__ATTR(offset, S_IRUGO|S_IWUSR, offset_show, offset_store);
static ssize_t
-rdev_size_show(mdk_rdev_t *rdev, char *page)
+rdev_size_show(struct md_rdev *rdev, char *page)
{
return sprintf(page, "%llu\n", (unsigned long long)rdev->sectors / 2);
}
}
static ssize_t
-rdev_size_store(mdk_rdev_t *rdev, const char *buf, size_t len)
+rdev_size_store(struct md_rdev *rdev, const char *buf, size_t len)
{
mddev_t *my_mddev = rdev->mddev;
sector_t oldsectors = rdev->sectors;
mddev_unlock(my_mddev);
for_each_mddev(mddev, tmp) {
- mdk_rdev_t *rdev2;
+ struct md_rdev *rdev2;
mddev_lock(mddev);
list_for_each_entry(rdev2, &mddev->disks, same_set)
__ATTR(size, S_IRUGO|S_IWUSR, rdev_size_show, rdev_size_store);
-static ssize_t recovery_start_show(mdk_rdev_t *rdev, char *page)
+static ssize_t recovery_start_show(struct md_rdev *rdev, char *page)
{
unsigned long long recovery_start = rdev->recovery_offset;
return sprintf(page, "%llu\n", recovery_start);
}
-static ssize_t recovery_start_store(mdk_rdev_t *rdev, const char *buf, size_t len)
+static ssize_t recovery_start_store(struct md_rdev *rdev, const char *buf, size_t len)
{
unsigned long long recovery_start;
static ssize_t
badblocks_store(struct badblocks *bb, const char *page, size_t len, int unack);
-static ssize_t bb_show(mdk_rdev_t *rdev, char *page)
+static ssize_t bb_show(struct md_rdev *rdev, char *page)
{
return badblocks_show(&rdev->badblocks, page, 0);
}
-static ssize_t bb_store(mdk_rdev_t *rdev, const char *page, size_t len)
+static ssize_t bb_store(struct md_rdev *rdev, const char *page, size_t len)
{
int rv = badblocks_store(&rdev->badblocks, page, len, 0);
/* Maybe that ack was all we needed */
__ATTR(bad_blocks, S_IRUGO|S_IWUSR, bb_show, bb_store);
-static ssize_t ubb_show(mdk_rdev_t *rdev, char *page)
+static ssize_t ubb_show(struct md_rdev *rdev, char *page)
{
return badblocks_show(&rdev->badblocks, page, 1);
}
-static ssize_t ubb_store(mdk_rdev_t *rdev, const char *page, size_t len)
+static ssize_t ubb_store(struct md_rdev *rdev, const char *page, size_t len)
{
return badblocks_store(&rdev->badblocks, page, len, 1);
}
rdev_attr_show(struct kobject *kobj, struct attribute *attr, char *page)
{
struct rdev_sysfs_entry *entry = container_of(attr, struct rdev_sysfs_entry, attr);
- mdk_rdev_t *rdev = container_of(kobj, mdk_rdev_t, kobj);
+ struct md_rdev *rdev = container_of(kobj, struct md_rdev, kobj);
mddev_t *mddev = rdev->mddev;
ssize_t rv;
const char *page, size_t length)
{
struct rdev_sysfs_entry *entry = container_of(attr, struct rdev_sysfs_entry, attr);
- mdk_rdev_t *rdev = container_of(kobj, mdk_rdev_t, kobj);
+ struct md_rdev *rdev = container_of(kobj, struct md_rdev, kobj);
ssize_t rv;
mddev_t *mddev = rdev->mddev;
static void rdev_free(struct kobject *ko)
{
- mdk_rdev_t *rdev = container_of(ko, mdk_rdev_t, kobj);
+ struct md_rdev *rdev = container_of(ko, struct md_rdev, kobj);
kfree(rdev);
}
static const struct sysfs_ops rdev_sysfs_ops = {
.default_attrs = rdev_default_attrs,
};
-int md_rdev_init(mdk_rdev_t *rdev)
+int md_rdev_init(struct md_rdev *rdev)
{
rdev->desc_nr = -1;
rdev->saved_raid_disk = -1;
*
* a faulty rdev _never_ has rdev->sb set.
*/
-static mdk_rdev_t *md_import_device(dev_t newdev, int super_format, int super_minor)
+static struct md_rdev *md_import_device(dev_t newdev, int super_format, int super_minor)
{
char b[BDEVNAME_SIZE];
int err;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
sector_t size;
rdev = kzalloc(sizeof(*rdev), GFP_KERNEL);
static void analyze_sbs(mddev_t * mddev)
{
int i;
- mdk_rdev_t *rdev, *freshest, *tmp;
+ struct md_rdev *rdev, *freshest, *tmp;
char b[BDEVNAME_SIZE];
freshest = NULL;
struct mdk_personality *pers;
long level;
void *priv;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
if (mddev->pers == NULL) {
if (len == 0)
int major = simple_strtoul(buf, &e, 10);
int minor;
dev_t dev;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
int err;
if (!*buf || *e != ':' || !e[1] || e[1] == '\n')
rdev = md_import_device(dev, mddev->major_version,
mddev->minor_version);
if (!IS_ERR(rdev) && !list_empty(&mddev->disks)) {
- mdk_rdev_t *rdev0 = list_entry(mddev->disks.next,
- mdk_rdev_t, same_set);
+ struct md_rdev *rdev0
+ = list_entry(mddev->disks.next,
+ struct md_rdev, same_set);
err = super_types[mddev->major_version]
.load_super(rdev, rdev0, mddev->minor_version);
if (err < 0)
int md_run(mddev_t *mddev)
{
int err;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
struct mdk_personality *pers;
if (list_empty(&mddev->disks))
* configuration.
*/
char b[BDEVNAME_SIZE], b2[BDEVNAME_SIZE];
- mdk_rdev_t *rdev2;
+ struct md_rdev *rdev2;
int warned = 0;
list_for_each_entry(rdev, &mddev->disks, same_set)
static int do_md_stop(mddev_t * mddev, int mode, int is_open)
{
struct gendisk *disk = mddev->gendisk;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
mutex_lock(&mddev->open_mutex);
if (atomic_read(&mddev->openers) > is_open ||
#ifndef MODULE
static void autorun_array(mddev_t *mddev)
{
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
int err;
if (list_empty(&mddev->disks))
*/
static void autorun_devices(int part)
{
- mdk_rdev_t *rdev0, *rdev, *tmp;
+ struct md_rdev *rdev0, *rdev, *tmp;
mddev_t *mddev;
char b[BDEVNAME_SIZE];
dev_t dev;
LIST_HEAD(candidates);
rdev0 = list_entry(pending_raid_disks.next,
- mdk_rdev_t, same_set);
+ struct md_rdev, same_set);
printk(KERN_INFO "md: considering %s ...\n",
bdevname(rdev0->bdev,b));
{
mdu_array_info_t info;
int nr,working,insync,failed,spare;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
nr=working=insync=failed=spare=0;
list_for_each_entry(rdev, &mddev->disks, same_set) {
static int get_disk_info(mddev_t * mddev, void __user * arg)
{
mdu_disk_info_t info;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
if (copy_from_user(&info, arg, sizeof(info)))
return -EFAULT;
static int add_new_disk(mddev_t * mddev, mdu_disk_info_t *info)
{
char b[BDEVNAME_SIZE], b2[BDEVNAME_SIZE];
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
dev_t dev = MKDEV(info->major,info->minor);
if (info->major != MAJOR(dev) || info->minor != MINOR(dev))
return PTR_ERR(rdev);
}
if (!list_empty(&mddev->disks)) {
- mdk_rdev_t *rdev0 = list_entry(mddev->disks.next,
- mdk_rdev_t, same_set);
+ struct md_rdev *rdev0
+ = list_entry(mddev->disks.next,
+ struct md_rdev, same_set);
err = super_types[mddev->major_version]
.load_super(rdev, rdev0, mddev->minor_version);
if (err < 0) {
static int hot_remove_disk(mddev_t * mddev, dev_t dev)
{
char b[BDEVNAME_SIZE];
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
rdev = find_rdev(mddev, dev);
if (!rdev)
{
char b[BDEVNAME_SIZE];
int err;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
if (!mddev->pers)
return -ENODEV;
static int update_size(mddev_t *mddev, sector_t num_sectors)
{
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
int rv;
int fit = (num_sectors == 0);
static int set_disk_faulty(mddev_t *mddev, dev_t dev)
{
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
if (mddev->pers == NULL)
return -ENODEV;
kfree(thread);
}
-void md_error(mddev_t *mddev, mdk_rdev_t *rdev)
+void md_error(mddev_t *mddev, struct md_rdev *rdev)
{
if (!mddev) {
MD_BUG();
static void status_unused(struct seq_file *seq)
{
int i = 0;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
seq_printf(seq, "unused devices: ");
{
mddev_t *mddev = v;
sector_t sectors;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
struct bitmap *bitmap;
if (v == (void*)1) {
static int is_mddev_idle(mddev_t *mddev, int init)
{
- mdk_rdev_t * rdev;
+ struct md_rdev * rdev;
int idle;
int curr_events;
struct list_head *tmp;
sector_t last_check;
int skipped = 0;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
char *desc;
/* just incase thread restarts... */
static int remove_and_add_spares(mddev_t *mddev)
{
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
int spares = 0;
mddev->curr_resync_completed = 0;
static void reap_sync_thread(mddev_t *mddev)
{
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
/* resync has finished, collect result */
md_unregister_thread(&mddev->sync_thread);
/* Only thing we do on a ro array is remove
* failed devices.
*/
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
list_for_each_entry(rdev, &mddev->disks, same_set)
if (rdev->raid_disk >= 0 &&
!test_bit(Blocked, &rdev->flags) &&
}
}
-void md_wait_for_blocked_rdev(mdk_rdev_t *rdev, mddev_t *mddev)
+void md_wait_for_blocked_rdev(struct md_rdev *rdev, mddev_t *mddev)
{
sysfs_notify_dirent_safe(rdev->sysfs_state);
wait_event_timeout(rdev->blocked_wait,
return rv;
}
-int rdev_set_badblocks(mdk_rdev_t *rdev, sector_t s, int sectors,
+int rdev_set_badblocks(struct md_rdev *rdev, sector_t s, int sectors,
int acknowledged)
{
int rv = md_set_badblocks(&rdev->badblocks,
return rv;
}
-int rdev_clear_badblocks(mdk_rdev_t *rdev, sector_t s, int sectors)
+int rdev_clear_badblocks(struct md_rdev *rdev, sector_t s, int sectors)
{
return md_clear_badblocks(&rdev->badblocks,
s + rdev->data_offset,
static void autostart_arrays(int part)
{
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
struct detected_devices_node *node_detected_dev;
dev_t dev;
int i_scanned, i_passed;
#define MaxSector (~(sector_t)0)
typedef struct mddev_s mddev_t;
-typedef struct mdk_rdev_s mdk_rdev_t;
/* Bad block numbers are stored sorted in a single page.
* 64bits is used for each block or extent.
/*
* MD's 'extended' device
*/
-struct mdk_rdev_s
-{
+struct md_rdev {
struct list_head same_set; /* RAID devices within the same set */
sector_t sectors; /* Device size (in 512bytes sectors) */
extern int md_is_badblock(struct badblocks *bb, sector_t s, int sectors,
sector_t *first_bad, int *bad_sectors);
-static inline int is_badblock(mdk_rdev_t *rdev, sector_t s, int sectors,
+static inline int is_badblock(struct md_rdev *rdev, sector_t s, int sectors,
sector_t *first_bad, int *bad_sectors)
{
if (unlikely(rdev->badblocks.count)) {
}
return 0;
}
-extern int rdev_set_badblocks(mdk_rdev_t *rdev, sector_t s, int sectors,
+extern int rdev_set_badblocks(struct md_rdev *rdev, sector_t s, int sectors,
int acknowledged);
-extern int rdev_clear_badblocks(mdk_rdev_t *rdev, sector_t s, int sectors);
+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
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, mdk_rdev_t *rdev);
+ void (*sync_super)(mddev_t *mddev, struct md_rdev *rdev);
};
-static inline void rdev_dec_pending(mdk_rdev_t *rdev, mddev_t *mddev)
+static inline void rdev_dec_pending(struct md_rdev *rdev, mddev_t *mddev)
{
int faulty = test_bit(Faulty, &rdev->flags);
if (atomic_dec_and_test(&rdev->nr_pending) && faulty)
/* error_handler must set ->faulty and clear ->in_sync
* if appropriate, and should abort recovery if needed
*/
- void (*error_handler)(mddev_t *mddev, mdk_rdev_t *rdev);
- int (*hot_add_disk) (mddev_t *mddev, mdk_rdev_t *rdev);
+ 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);
return mddev->gendisk ? mddev->gendisk->disk_name : "mdX";
}
-static inline int sysfs_link_rdev(mddev_t *mddev, mdk_rdev_t *rdev)
+static inline int sysfs_link_rdev(mddev_t *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, mdk_rdev_t *rdev)
+static inline void sysfs_unlink_rdev(mddev_t *mddev, struct md_rdev *rdev)
{
char nm[20];
sprintf(nm, "rd%d", rdev->raid_disk);
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, mdk_rdev_t *rdev);
+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, mdk_rdev_t *rdev,
+extern void md_super_write(mddev_t *mddev, struct md_rdev *rdev,
sector_t sector, int size, struct page *page);
extern void md_super_wait(mddev_t *mddev);
-extern int sync_page_io(mdk_rdev_t *rdev, sector_t sector, int size,
+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(mdk_rdev_t *rdev, 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(mdk_rdev_t *rdev, mddev_t *mddev);
+extern void md_integrity_add_rdev(struct md_rdev *rdev, mddev_t *mddev);
extern int strict_strtoul_scaled(const char *cp, unsigned long *res, int scale);
extern void restore_bitmap_write_access(struct file *file);
extern int md_run(mddev_t *mddev);
extern void md_stop(mddev_t *mddev);
extern void md_stop_writes(mddev_t *mddev);
-extern int md_rdev_init(mdk_rdev_t *rdev);
+extern int md_rdev_init(struct md_rdev *rdev);
extern void mddev_suspend(mddev_t *mddev);
extern void mddev_resume(mddev_t *mddev);
rcu_read_lock();
for (i = 0; i < disks; i++) {
- mdk_rdev_t *rdev = rcu_dereference(conf->multipaths[i].rdev);
+ struct md_rdev *rdev = rcu_dereference(conf->multipaths[i].rdev);
if (rdev && test_bit(In_sync, &rdev->flags)) {
atomic_inc(&rdev->nr_pending);
rcu_read_unlock();
int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
struct multipath_bh *mp_bh = bio->bi_private;
multipath_conf_t *conf = mp_bh->mddev->private;
- mdk_rdev_t *rdev = conf->multipaths[mp_bh->path].rdev;
+ struct md_rdev *rdev = conf->multipaths[mp_bh->path].rdev;
if (uptodate)
multipath_end_bh_io(mp_bh, 0);
rcu_read_lock();
for (i = 0; i < mddev->raid_disks ; i++) {
- mdk_rdev_t *rdev = rcu_dereference(conf->multipaths[i].rdev);
+ struct md_rdev *rdev = rcu_dereference(conf->multipaths[i].rdev);
if (rdev && !test_bit(Faulty, &rdev->flags)) {
struct request_queue *q = bdev_get_queue(rdev->bdev);
/*
* Careful, this can execute in IRQ contexts as well!
*/
-static void multipath_error (mddev_t *mddev, mdk_rdev_t *rdev)
+static void multipath_error (mddev_t *mddev, struct md_rdev *rdev)
{
multipath_conf_t *conf = mddev->private;
char b[BDEVNAME_SIZE];
}
-static int multipath_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
+static int multipath_add_disk(mddev_t *mddev, struct md_rdev *rdev)
{
multipath_conf_t *conf = mddev->private;
struct request_queue *q;
{
multipath_conf_t *conf = mddev->private;
int err = 0;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
struct multipath_info *p = conf->multipaths + number;
print_multipath_conf(conf);
multipath_conf_t *conf;
int disk_idx;
struct multipath_info *disk;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
int working_disks;
if (md_check_no_bitmap(mddev))
#define _MULTIPATH_H
struct multipath_info {
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
};
struct multipath_private_data {
{
mddev_t *mddev = data;
raid0_conf_t *conf = mddev->private;
- mdk_rdev_t **devlist = conf->devlist;
+ struct md_rdev **devlist = conf->devlist;
int raid_disks = conf->strip_zone[0].nb_dev;
int i, ret = 0;
{
int i, c, err;
sector_t curr_zone_end, sectors;
- mdk_rdev_t *smallest, *rdev1, *rdev2, *rdev, **dev;
+ struct md_rdev *smallest, *rdev1, *rdev2, *rdev, **dev;
struct strip_zone *zone;
int cnt;
char b[BDEVNAME_SIZE];
conf->nr_strip_zones, GFP_KERNEL);
if (!conf->strip_zone)
goto abort;
- conf->devlist = kzalloc(sizeof(mdk_rdev_t*)*
+ conf->devlist = kzalloc(sizeof(struct md_rdev*)*
conf->nr_strip_zones*mddev->raid_disks,
GFP_KERNEL);
if (!conf->devlist)
static sector_t raid0_size(mddev_t *mddev, sector_t sectors, int raid_disks)
{
sector_t array_sectors = 0;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
WARN_ONCE(sectors || raid_disks,
"%s does not support generic reshape\n", __func__);
* remaps the bio to the target device. we separate two flows.
* power 2 flow and a general flow for the sake of perfromance
*/
-static mdk_rdev_t *map_sector(mddev_t *mddev, struct strip_zone *zone,
+static struct md_rdev *map_sector(mddev_t *mddev, struct strip_zone *zone,
sector_t sector, sector_t *sector_offset)
{
unsigned int sect_in_chunk;
unsigned int chunk_sects;
sector_t sector_offset;
struct strip_zone *zone;
- mdk_rdev_t *tmp_dev;
+ struct md_rdev *tmp_dev;
if (unlikely(bio->bi_rw & REQ_FLUSH)) {
md_flush_request(mddev, bio);
static void *raid0_takeover_raid45(mddev_t *mddev)
{
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
raid0_conf_t *priv_conf;
if (mddev->degraded != 1) {
struct raid0_private_data
{
struct strip_zone *strip_zone;
- mdk_rdev_t **devlist; /* lists of rdevs, pointed to by strip_zone->dev */
+ struct md_rdev **devlist; /* lists of rdevs, pointed to by strip_zone->dev */
int nr_strip_zones;
};
int best_disk;
int i;
sector_t best_dist;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
int choose_first;
rcu_read_lock();
rcu_read_lock();
for (i = 0; i < mddev->raid_disks; i++) {
- mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
+ struct md_rdev *rdev = rcu_dereference(conf->mirrors[i].rdev);
if (rdev && !test_bit(Faulty, &rdev->flags)) {
struct request_queue *q = bdev_get_queue(rdev->bdev);
const int rw = bio_data_dir(bio);
const unsigned long do_sync = (bio->bi_rw & REQ_SYNC);
const unsigned long do_flush_fua = (bio->bi_rw & (REQ_FLUSH | REQ_FUA));
- mdk_rdev_t *blocked_rdev;
+ struct md_rdev *blocked_rdev;
int plugged;
int first_clone;
int sectors_handled;
rcu_read_lock();
max_sectors = r1_bio->sectors;
for (i = 0; i < disks; i++) {
- mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
+ struct md_rdev *rdev = rcu_dereference(conf->mirrors[i].rdev);
if (rdev && unlikely(test_bit(Blocked, &rdev->flags))) {
atomic_inc(&rdev->nr_pending);
blocked_rdev = rdev;
conf->raid_disks - mddev->degraded);
rcu_read_lock();
for (i = 0; i < conf->raid_disks; i++) {
- mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
+ struct md_rdev *rdev = rcu_dereference(conf->mirrors[i].rdev);
seq_printf(seq, "%s",
rdev && test_bit(In_sync, &rdev->flags) ? "U" : "_");
}
}
-static void error(mddev_t *mddev, mdk_rdev_t *rdev)
+static void error(mddev_t *mddev, struct md_rdev *rdev)
{
char b[BDEVNAME_SIZE];
conf_t *conf = mddev->private;
rcu_read_lock();
for (i = 0; i < conf->raid_disks; i++) {
char b[BDEVNAME_SIZE];
- mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
+ struct md_rdev *rdev = rcu_dereference(conf->mirrors[i].rdev);
if (rdev)
printk(KERN_DEBUG " disk %d, wo:%d, o:%d, dev:%s\n",
i, !test_bit(In_sync, &rdev->flags),
* Called under mddev lock, so rcu protection not needed.
*/
for (i = 0; i < conf->raid_disks; i++) {
- mdk_rdev_t *rdev = conf->mirrors[i].rdev;
+ struct md_rdev *rdev = conf->mirrors[i].rdev;
if (rdev
&& !test_bit(Faulty, &rdev->flags)
&& !test_and_set_bit(In_sync, &rdev->flags)) {
}
-static int raid1_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
+static int raid1_add_disk(mddev_t *mddev, struct md_rdev *rdev)
{
conf_t *conf = mddev->private;
int err = -EEXIST;
{
conf_t *conf = mddev->private;
int err = 0;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
mirror_info_t *p = conf->mirrors+ number;
print_conf(conf);
}
}
-static int r1_sync_page_io(mdk_rdev_t *rdev, sector_t sector,
+static int r1_sync_page_io(struct md_rdev *rdev, sector_t sector,
int sectors, struct page *page, int rw)
{
if (sync_page_io(rdev, sector, sectors << 9, page, rw, false))
int s = sectors;
int d = r1_bio->read_disk;
int success = 0;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
int start;
if (s > (PAGE_SIZE>>9))
int d = read_disk;
int success = 0;
int start;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
if (s > (PAGE_SIZE>>9))
s = PAGE_SIZE >> 9;
if (!success) {
/* Cannot read from anywhere - mark it bad */
- mdk_rdev_t *rdev = conf->mirrors[read_disk].rdev;
+ struct md_rdev *rdev = conf->mirrors[read_disk].rdev;
if (!rdev_set_badblocks(rdev, sect, s, 0))
md_error(mddev, rdev);
break;
{
mddev_t *mddev = r1_bio->mddev;
conf_t *conf = mddev->private;
- mdk_rdev_t *rdev = conf->mirrors[i].rdev;
+ struct md_rdev *rdev = conf->mirrors[i].rdev;
int vcnt, idx;
struct bio_vec *vec;
int m;
int s = r1_bio->sectors;
for (m = 0; m < conf->raid_disks ; m++) {
- mdk_rdev_t *rdev = conf->mirrors[m].rdev;
+ struct md_rdev *rdev = conf->mirrors[m].rdev;
struct bio *bio = r1_bio->bios[m];
if (bio->bi_end_io == NULL)
continue;
int m;
for (m = 0; m < conf->raid_disks ; m++)
if (r1_bio->bios[m] == IO_MADE_GOOD) {
- mdk_rdev_t *rdev = conf->mirrors[m].rdev;
+ struct md_rdev *rdev = conf->mirrors[m].rdev;
rdev_clear_badblocks(rdev,
r1_bio->sector,
r1_bio->sectors);
mddev_t *mddev = conf->mddev;
struct bio *bio;
char b[BDEVNAME_SIZE];
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
clear_bit(R1BIO_ReadError, &r1_bio->state);
/* we got a read error. Maybe the drive is bad. Maybe just
set_bit(R1BIO_IsSync, &r1_bio->state);
for (i=0; i < conf->raid_disks; i++) {
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
bio = r1_bio->bios[i];
/* take from bio_init */
int ok = 1;
for (i = 0 ; i < conf->raid_disks ; i++)
if (r1_bio->bios[i]->bi_end_io == end_sync_write) {
- mdk_rdev_t *rdev =
+ struct md_rdev *rdev =
rcu_dereference(conf->mirrors[i].rdev);
ok = rdev_set_badblocks(rdev, sector_nr,
min_bad, 0
conf_t *conf;
int i;
mirror_info_t *disk;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
int err = -ENOMEM;
conf = kzalloc(sizeof(conf_t), GFP_KERNEL);
{
conf_t *conf;
int i;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
if (mddev->level != 1) {
printk(KERN_ERR "md/raid1:%s: raid level not set to mirroring (%d)\n",
conf->r1bio_pool = newpool;
for (d = d2 = 0; d < conf->raid_disks; d++) {
- mdk_rdev_t *rdev = conf->mirrors[d].rdev;
+ struct md_rdev *rdev = conf->mirrors[d].rdev;
if (rdev && rdev->raid_disk != d2) {
sysfs_unlink_rdev(mddev, rdev);
rdev->raid_disk = d2;
typedef struct mirror_info mirror_info_t;
struct mirror_info {
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
sector_t head_position;
};
int sectors = r10_bio->sectors;
int best_good_sectors;
sector_t new_distance, best_dist;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
int do_balance;
int best_slot;
return 1;
rcu_read_lock();
for (i = 0; i < conf->raid_disks && ret == 0; i++) {
- mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
+ struct md_rdev *rdev = rcu_dereference(conf->mirrors[i].rdev);
if (rdev && !test_bit(Faulty, &rdev->flags)) {
struct request_queue *q = bdev_get_queue(rdev->bdev);
const unsigned long do_sync = (bio->bi_rw & REQ_SYNC);
const unsigned long do_fua = (bio->bi_rw & REQ_FUA);
unsigned long flags;
- mdk_rdev_t *blocked_rdev;
+ struct md_rdev *blocked_rdev;
int plugged;
int sectors_handled;
int max_sectors;
for (i = 0; i < conf->copies; i++) {
int d = r10_bio->devs[i].devnum;
- mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[d].rdev);
+ struct md_rdev *rdev = rcu_dereference(conf->mirrors[d].rdev);
if (rdev && unlikely(test_bit(Blocked, &rdev->flags))) {
atomic_inc(&rdev->nr_pending);
blocked_rdev = rdev;
return 1;
}
-static void error(mddev_t *mddev, mdk_rdev_t *rdev)
+static void error(mddev_t *mddev, struct md_rdev *rdev)
{
char b[BDEVNAME_SIZE];
conf_t *conf = mddev->private;
}
-static int raid10_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
+static int raid10_add_disk(mddev_t *mddev, struct md_rdev *rdev)
{
conf_t *conf = mddev->private;
int err = -EEXIST;
{
conf_t *conf = mddev->private;
int err = 0;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
mirror_info_t *p = conf->mirrors+ number;
print_conf(conf);
while (sectors) {
int s = sectors;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
sector_t addr;
int ok;
if (rdev != conf->mirrors[dw].rdev) {
/* need bad block on destination too */
- mdk_rdev_t *rdev2 = conf->mirrors[dw].rdev;
+ struct md_rdev *rdev2 = conf->mirrors[dw].rdev;
addr = r10_bio->devs[1].addr + sect;
ok = rdev_set_badblocks(rdev2, addr, s, 0);
if (!ok) {
* since the last recorded read error.
*
*/
-static void check_decay_read_errors(mddev_t *mddev, mdk_rdev_t *rdev)
+static void check_decay_read_errors(mddev_t *mddev, struct md_rdev *rdev)
{
struct timespec cur_time_mon;
unsigned long hours_since_last;
atomic_set(&rdev->read_errors, read_errors >> hours_since_last);
}
-static int r10_sync_page_io(mdk_rdev_t *rdev, sector_t sector,
+static int r10_sync_page_io(struct md_rdev *rdev, sector_t sector,
int sectors, struct page *page, int rw)
{
sector_t first_bad;
{
int sect = 0; /* Offset from r10_bio->sector */
int sectors = r10_bio->sectors;
- mdk_rdev_t*rdev;
+ struct md_rdev*rdev;
int max_read_errors = atomic_read(&mddev->max_corr_read_errors);
int d = r10_bio->devs[r10_bio->read_slot].devnum;
struct bio *bio = r10_bio->master_bio;
mddev_t *mddev = r10_bio->mddev;
conf_t *conf = mddev->private;
- mdk_rdev_t *rdev = conf->mirrors[r10_bio->devs[i].devnum].rdev;
+ struct md_rdev *rdev = conf->mirrors[r10_bio->devs[i].devnum].rdev;
/* bio has the data to be written to slot 'i' where
* we just recently had a write error.
* We repeatedly clone the bio and trim down to one block,
int mirror = r10_bio->devs[slot].devnum;
struct bio *bio;
conf_t *conf = mddev->private;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
char b[BDEVNAME_SIZE];
unsigned long do_sync;
int max_sectors;
* a bad block.
*/
int m;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
if (test_bit(R10BIO_IsSync, &r10_bio->state) ||
test_bit(R10BIO_IsRecover, &r10_bio->state)) {
int k;
int d = r10_bio->devs[j].devnum;
sector_t from_addr, to_addr;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
sector_t sector, first_bad;
int bad_sectors;
if (!conf->mirrors[d].rdev ||
conf_t *conf;
int i, disk_idx, chunk_size;
mirror_info_t *disk;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
sector_t size;
/*
static void *raid10_takeover_raid0(mddev_t *mddev)
{
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
conf_t *conf;
if (mddev->degraded > 0) {
typedef struct mirror_info mirror_info_t;
struct mirror_info {
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
sector_t head_position;
int recovery_disabled; /* matches
* mddev->recovery_disabled
rcu_read_lock();
degraded = 0;
for (i = 0; i < conf->previous_raid_disks; i++) {
- mdk_rdev_t *rdev = rcu_dereference(conf->disks[i].rdev);
+ struct md_rdev *rdev = rcu_dereference(conf->disks[i].rdev);
if (!rdev || test_bit(Faulty, &rdev->flags))
degraded++;
else if (test_bit(In_sync, &rdev->flags))
rcu_read_lock();
degraded = 0;
for (i = 0; i < conf->raid_disks; i++) {
- mdk_rdev_t *rdev = rcu_dereference(conf->disks[i].rdev);
+ struct md_rdev *rdev = rcu_dereference(conf->disks[i].rdev);
if (!rdev || test_bit(Faulty, &rdev->flags))
degraded++;
else if (test_bit(In_sync, &rdev->flags))
for (i = disks; i--; ) {
int rw;
struct bio *bi;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
if (test_and_clear_bit(R5_Wantwrite, &sh->dev[i].flags)) {
if (test_and_clear_bit(R5_WantFUA, &sh->dev[i].flags))
rw = WRITE_FUA;
int disks = sh->disks, i;
int uptodate = test_bit(BIO_UPTODATE, &bi->bi_flags);
char b[BDEVNAME_SIZE];
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
for (i=0 ; i<disks; i++)
dev->sector = compute_blocknr(sh, i, previous);
}
-static void error(mddev_t *mddev, mdk_rdev_t *rdev)
+static void error(mddev_t *mddev, struct md_rdev *rdev)
{
char b[BDEVNAME_SIZE];
raid5_conf_t *conf = mddev->private;
int bitmap_end = 0;
if (test_bit(R5_ReadError, &sh->dev[i].flags)) {
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
rcu_read_lock();
rdev = rcu_dereference(conf->disks[i].rdev);
if (rdev && test_bit(In_sync, &rdev->flags))
* refcounting of rdevs is not needed
*/
for (i = 0; i < conf->raid_disks; i++) {
- mdk_rdev_t *rdev = conf->disks[i].rdev;
+ struct md_rdev *rdev = conf->disks[i].rdev;
if (!rdev
|| test_bit(Faulty, &rdev->flags)
|| test_bit(In_sync, &rdev->flags))
rcu_read_lock();
spin_lock_irq(&conf->device_lock);
for (i=disks; i--; ) {
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
sector_t first_bad;
int bad_sectors;
int is_bad = 0;
if (s.handle_bad_blocks)
for (i = disks; i--; ) {
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
struct r5dev *dev = &sh->dev[i];
if (test_and_clear_bit(R5_WriteError, &dev->flags)) {
/* We own a safe reference to the rdev */
mddev_t *mddev;
raid5_conf_t *conf;
int uptodate = test_bit(BIO_UPTODATE, &bi->bi_flags);
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
bio_put(bi);
raid5_conf_t *conf = mddev->private;
int dd_idx;
struct bio* align_bi;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
if (!in_chunk_boundary(mddev, raid_bio)) {
pr_debug("chunk_aligned_read : non aligned\n");
{
raid5_conf_t *conf;
int raid_disk, memory, max_disks;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
struct disk_info *disk;
if (mddev->new_level != 5
raid5_conf_t *conf;
int working_disks = 0;
int dirty_parity_disks = 0;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
sector_t reshape_offset = 0;
if (mddev->recovery_cp != MaxSector)
{
raid5_conf_t *conf = mddev->private;
int err = 0;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
struct disk_info *p = conf->disks + number;
print_raid5_conf(conf);
return err;
}
-static int raid5_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
+static int raid5_add_disk(mddev_t *mddev, struct md_rdev *rdev)
{
raid5_conf_t *conf = mddev->private;
int err = -EEXIST;
static int raid5_start_reshape(mddev_t *mddev)
{
raid5_conf_t *conf = mddev->private;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
int spares = 0;
unsigned long flags;
for (d = conf->raid_disks ;
d < conf->raid_disks - mddev->delta_disks;
d++) {
- mdk_rdev_t *rdev = conf->disks[d].rdev;
+ struct md_rdev *rdev = conf->disks[d].rdev;
if (rdev && raid5_remove_disk(mddev, d) == 0) {
sysfs_unlink_rdev(mddev, rdev);
rdev->raid_disk = -1;
unsigned long ops_request;
struct bio *return_bi;
- mdk_rdev_t *blocked_rdev;
+ struct md_rdev *blocked_rdev;
int handle_bad_blocks;
};
struct disk_info {
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
};
struct raid5_private_data {
projects / platform / kernel / linux-3.10.git / commitdiff