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path: root/drivers/md/raid1.c
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Diffstat (limited to 'drivers/md/raid1.c')
-rw-r--r--drivers/md/raid1.c62
1 files changed, 34 insertions, 28 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index e23758b4a34..8726fd7ebce 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -182,7 +182,7 @@ static void put_all_bios(conf_t *conf, r1bio_t *r1_bio)
static void free_r1bio(r1bio_t *r1_bio)
{
- conf_t *conf = mddev_to_conf(r1_bio->mddev);
+ conf_t *conf = r1_bio->mddev->private;
/*
* Wake up any possible resync thread that waits for the device
@@ -196,7 +196,7 @@ static void free_r1bio(r1bio_t *r1_bio)
static void put_buf(r1bio_t *r1_bio)
{
- conf_t *conf = mddev_to_conf(r1_bio->mddev);
+ conf_t *conf = r1_bio->mddev->private;
int i;
for (i=0; i<conf->raid_disks; i++) {
@@ -214,7 +214,7 @@ static void reschedule_retry(r1bio_t *r1_bio)
{
unsigned long flags;
mddev_t *mddev = r1_bio->mddev;
- conf_t *conf = mddev_to_conf(mddev);
+ conf_t *conf = mddev->private;
spin_lock_irqsave(&conf->device_lock, flags);
list_add(&r1_bio->retry_list, &conf->retry_list);
@@ -253,7 +253,7 @@ static void raid_end_bio_io(r1bio_t *r1_bio)
*/
static inline void update_head_pos(int disk, r1bio_t *r1_bio)
{
- conf_t *conf = mddev_to_conf(r1_bio->mddev);
+ conf_t *conf = r1_bio->mddev->private;
conf->mirrors[disk].head_position =
r1_bio->sector + (r1_bio->sectors);
@@ -264,7 +264,7 @@ static void raid1_end_read_request(struct bio *bio, int error)
int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
r1bio_t * r1_bio = (r1bio_t *)(bio->bi_private);
int mirror;
- conf_t *conf = mddev_to_conf(r1_bio->mddev);
+ conf_t *conf = r1_bio->mddev->private;
mirror = r1_bio->read_disk;
/*
@@ -309,7 +309,7 @@ static void raid1_end_write_request(struct bio *bio, int error)
int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
r1bio_t * r1_bio = (r1bio_t *)(bio->bi_private);
int mirror, behind = test_bit(R1BIO_BehindIO, &r1_bio->state);
- conf_t *conf = mddev_to_conf(r1_bio->mddev);
+ conf_t *conf = r1_bio->mddev->private;
struct bio *to_put = NULL;
@@ -541,7 +541,7 @@ static int read_balance(conf_t *conf, r1bio_t *r1_bio)
static void unplug_slaves(mddev_t *mddev)
{
- conf_t *conf = mddev_to_conf(mddev);
+ conf_t *conf = mddev->private;
int i;
rcu_read_lock();
@@ -573,7 +573,7 @@ static void raid1_unplug(struct request_queue *q)
static int raid1_congested(void *data, int bits)
{
mddev_t *mddev = data;
- conf_t *conf = mddev_to_conf(mddev);
+ conf_t *conf = mddev->private;
int i, ret = 0;
rcu_read_lock();
@@ -772,7 +772,7 @@ do_sync_io:
static int make_request(struct request_queue *q, struct bio * bio)
{
mddev_t *mddev = q->queuedata;
- conf_t *conf = mddev_to_conf(mddev);
+ conf_t *conf = mddev->private;
mirror_info_t *mirror;
r1bio_t *r1_bio;
struct bio *read_bio;
@@ -991,7 +991,7 @@ static int make_request(struct request_queue *q, struct bio * bio)
static void status(struct seq_file *seq, mddev_t *mddev)
{
- conf_t *conf = mddev_to_conf(mddev);
+ conf_t *conf = mddev->private;
int i;
seq_printf(seq, " [%d/%d] [", conf->raid_disks,
@@ -1010,7 +1010,7 @@ static void status(struct seq_file *seq, mddev_t *mddev)
static void error(mddev_t *mddev, mdk_rdev_t *rdev)
{
char b[BDEVNAME_SIZE];
- conf_t *conf = mddev_to_conf(mddev);
+ conf_t *conf = mddev->private;
/*
* If it is not operational, then we have already marked it as dead
@@ -1123,8 +1123,8 @@ static int raid1_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
for (mirror = first; mirror <= last; mirror++)
if ( !(p=conf->mirrors+mirror)->rdev) {
- blk_queue_stack_limits(mddev->queue,
- rdev->bdev->bd_disk->queue);
+ disk_stack_limits(mddev->gendisk, rdev->bdev,
+ rdev->data_offset << 9);
/* as we don't honour merge_bvec_fn, we must never risk
* violating it, so limit ->max_sector to one PAGE, as
* a one page request is never in violation.
@@ -1144,7 +1144,7 @@ static int raid1_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
rcu_assign_pointer(p->rdev, rdev);
break;
}
-
+ md_integrity_add_rdev(rdev, mddev);
print_conf(conf);
return err;
}
@@ -1178,7 +1178,9 @@ static int raid1_remove_disk(mddev_t *mddev, int number)
/* lost the race, try later */
err = -EBUSY;
p->rdev = rdev;
+ goto abort;
}
+ md_integrity_register(mddev);
}
abort:
@@ -1214,7 +1216,7 @@ static void end_sync_write(struct bio *bio, int error)
int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
r1bio_t * r1_bio = (r1bio_t *)(bio->bi_private);
mddev_t *mddev = r1_bio->mddev;
- conf_t *conf = mddev_to_conf(mddev);
+ conf_t *conf = mddev->private;
int i;
int mirror=0;
@@ -1248,7 +1250,7 @@ static void end_sync_write(struct bio *bio, int error)
static void sync_request_write(mddev_t *mddev, r1bio_t *r1_bio)
{
- conf_t *conf = mddev_to_conf(mddev);
+ conf_t *conf = mddev->private;
int i;
int disks = conf->raid_disks;
struct bio *bio, *wbio;
@@ -1562,7 +1564,7 @@ static void raid1d(mddev_t *mddev)
r1bio_t *r1_bio;
struct bio *bio;
unsigned long flags;
- conf_t *conf = mddev_to_conf(mddev);
+ conf_t *conf = mddev->private;
struct list_head *head = &conf->retry_list;
int unplug=0;
mdk_rdev_t *rdev;
@@ -1585,7 +1587,7 @@ static void raid1d(mddev_t *mddev)
spin_unlock_irqrestore(&conf->device_lock, flags);
mddev = r1_bio->mddev;
- conf = mddev_to_conf(mddev);
+ conf = mddev->private;
if (test_bit(R1BIO_IsSync, &r1_bio->state)) {
sync_request_write(mddev, r1_bio);
unplug = 1;
@@ -1706,7 +1708,7 @@ static int init_resync(conf_t *conf)
static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, int go_faster)
{
- conf_t *conf = mddev_to_conf(mddev);
+ conf_t *conf = mddev->private;
r1bio_t *r1_bio;
struct bio *bio;
sector_t max_sector, nr_sectors;
@@ -1988,9 +1990,8 @@ static int run(mddev_t *mddev)
disk = conf->mirrors + disk_idx;
disk->rdev = rdev;
-
- blk_queue_stack_limits(mddev->queue,
- rdev->bdev->bd_disk->queue);
+ disk_stack_limits(mddev->gendisk, rdev->bdev,
+ rdev->data_offset << 9);
/* as we don't honour merge_bvec_fn, we must never risk
* violating it, so limit ->max_sector to one PAGE, as
* a one page request is never in violation.
@@ -2052,6 +2053,10 @@ static int run(mddev_t *mddev)
goto out_free_conf;
}
+ if (mddev->recovery_cp != MaxSector)
+ printk(KERN_NOTICE "raid1: %s is not clean"
+ " -- starting background reconstruction\n",
+ mdname(mddev));
printk(KERN_INFO
"raid1: raid set %s active with %d out of %d mirrors\n",
mdname(mddev), mddev->raid_disks - mddev->degraded,
@@ -2064,7 +2069,7 @@ static int run(mddev_t *mddev)
mddev->queue->unplug_fn = raid1_unplug;
mddev->queue->backing_dev_info.congested_fn = raid1_congested;
mddev->queue->backing_dev_info.congested_data = mddev;
-
+ md_integrity_register(mddev);
return 0;
out_no_mem:
@@ -2087,7 +2092,7 @@ out:
static int stop(mddev_t *mddev)
{
- conf_t *conf = mddev_to_conf(mddev);
+ conf_t *conf = mddev->private;
struct bitmap *bitmap = mddev->bitmap;
int behind_wait = 0;
@@ -2129,6 +2134,7 @@ static int raid1_resize(mddev_t *mddev, sector_t sectors)
return -EINVAL;
set_capacity(mddev->gendisk, mddev->array_sectors);
mddev->changed = 1;
+ revalidate_disk(mddev->gendisk);
if (sectors > mddev->dev_sectors &&
mddev->recovery_cp == MaxSector) {
mddev->recovery_cp = mddev->dev_sectors;
@@ -2155,16 +2161,16 @@ static int raid1_reshape(mddev_t *mddev)
mempool_t *newpool, *oldpool;
struct pool_info *newpoolinfo;
mirror_info_t *newmirrors;
- conf_t *conf = mddev_to_conf(mddev);
+ conf_t *conf = mddev->private;
int cnt, raid_disks;
unsigned long flags;
int d, d2, err;
/* Cannot change chunk_size, layout, or level */
- if (mddev->chunk_size != mddev->new_chunk ||
+ if (mddev->chunk_sectors != mddev->new_chunk_sectors ||
mddev->layout != mddev->new_layout ||
mddev->level != mddev->new_level) {
- mddev->new_chunk = mddev->chunk_size;
+ mddev->new_chunk_sectors = mddev->chunk_sectors;
mddev->new_layout = mddev->layout;
mddev->new_level = mddev->level;
return -EINVAL;
@@ -2252,7 +2258,7 @@ static int raid1_reshape(mddev_t *mddev)
static void raid1_quiesce(mddev_t *mddev, int state)
{
- conf_t *conf = mddev_to_conf(mddev);
+ conf_t *conf = mddev->private;
switch(state) {
case 1: