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path: root/drivers/md/md.c
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Diffstat (limited to 'drivers/md/md.c')
-rw-r--r--drivers/md/md.c37
1 files changed, 26 insertions, 11 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 29b0cd9ec951..724def2f9eaa 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -204,10 +204,6 @@ static int start_readonly;
*/
static bool create_on_open = true;
-/* bio_clone_mddev
- * like bio_clone_bioset, but with a local bio set
- */
-
struct bio *bio_alloc_mddev(gfp_t gfp_mask, int nr_iovecs,
struct mddev *mddev)
{
@@ -335,6 +331,7 @@ EXPORT_SYMBOL(md_handle_request);
static blk_qc_t md_make_request(struct request_queue *q, struct bio *bio)
{
const int rw = bio_data_dir(bio);
+ const int sgrp = op_stat_group(bio_op(bio));
struct mddev *mddev = q->queuedata;
unsigned int sectors;
int cpu;
@@ -363,8 +360,8 @@ static blk_qc_t md_make_request(struct request_queue *q, struct bio *bio)
md_handle_request(mddev, bio);
cpu = part_stat_lock();
- part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]);
- part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw], sectors);
+ part_stat_inc(cpu, &mddev->gendisk->part0, ios[sgrp]);
+ part_stat_add(cpu, &mddev->gendisk->part0, sectors[sgrp], sectors);
part_stat_unlock();
return BLK_QC_T_NONE;
@@ -5547,7 +5544,8 @@ int md_run(struct mddev *mddev)
else
pr_warn("md: personality for level %s is not loaded!\n",
mddev->clevel);
- return -EINVAL;
+ err = -EINVAL;
+ goto abort;
}
spin_unlock(&pers_lock);
if (mddev->level != pers->level) {
@@ -5560,7 +5558,8 @@ int md_run(struct mddev *mddev)
pers->start_reshape == NULL) {
/* This personality cannot handle reshaping... */
module_put(pers->owner);
- return -EINVAL;
+ err = -EINVAL;
+ goto abort;
}
if (pers->sync_request) {
@@ -5629,7 +5628,7 @@ int md_run(struct mddev *mddev)
mddev->private = NULL;
module_put(pers->owner);
bitmap_destroy(mddev);
- return err;
+ goto abort;
}
if (mddev->queue) {
bool nonrot = true;
@@ -7678,6 +7677,23 @@ static int status_resync(struct seq_file *seq, struct mddev *mddev)
resync -= atomic_read(&mddev->recovery_active);
if (resync == 0) {
+ if (test_bit(MD_RESYNCING_REMOTE, &mddev->recovery)) {
+ struct md_rdev *rdev;
+
+ rdev_for_each(rdev, mddev)
+ if (rdev->raid_disk >= 0 &&
+ !test_bit(Faulty, &rdev->flags) &&
+ rdev->recovery_offset != MaxSector &&
+ rdev->recovery_offset) {
+ seq_printf(seq, "\trecover=REMOTE");
+ return 1;
+ }
+ if (mddev->reshape_position != MaxSector)
+ seq_printf(seq, "\treshape=REMOTE");
+ else
+ seq_printf(seq, "\tresync=REMOTE");
+ return 1;
+ }
if (mddev->recovery_cp < MaxSector) {
seq_printf(seq, "\tresync=PENDING");
return 1;
@@ -8044,8 +8060,7 @@ static int is_mddev_idle(struct mddev *mddev, int init)
rcu_read_lock();
rdev_for_each_rcu(rdev, mddev) {
struct gendisk *disk = rdev->bdev->bd_contains->bd_disk;
- curr_events = (int)part_stat_read(&disk->part0, sectors[0]) +
- (int)part_stat_read(&disk->part0, sectors[1]) -
+ curr_events = (int)part_stat_read_accum(&disk->part0, sectors) -
atomic_read(&disk->sync_io);
/* sync IO will cause sync_io to increase before the disk_stats
* as sync_io is counted when a request starts, and