Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index deddabf..70dccc3 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -848,31 +848,6 @@
return rdev;
}
-static int raid10_congested(struct mddev *mddev, int bits)
-{
- struct r10conf *conf = mddev->private;
- int i, ret = 0;
-
- if ((bits & (1 << WB_async_congested)) &&
- conf->pending_count >= max_queued_requests)
- return 1;
-
- rcu_read_lock();
- for (i = 0;
- (i < conf->geo.raid_disks || i < conf->prev.raid_disks)
- && ret == 0;
- i++) {
- 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);
-
- ret |= bdi_congested(q->backing_dev_info, bits);
- }
- }
- rcu_read_unlock();
- return ret;
-}
-
static void flush_pending_writes(struct r10conf *conf)
{
/* Any writes that have been queued but are awaiting
@@ -917,7 +892,7 @@
/* Just ignore it */
bio_endio(bio);
else
- generic_make_request(bio);
+ submit_bio_noacct(bio);
bio = next;
}
blk_finish_plug(&plug);
@@ -980,6 +955,7 @@
{
spin_lock_irq(&conf->resync_lock);
if (conf->barrier) {
+ struct bio_list *bio_list = current->bio_list;
conf->nr_waiting++;
/* Wait for the barrier to drop.
* However if there are already pending
@@ -994,9 +970,16 @@
wait_event_lock_irq(conf->wait_barrier,
!conf->barrier ||
(atomic_read(&conf->nr_pending) &&
- current->bio_list &&
- (!bio_list_empty(¤t->bio_list[0]) ||
- !bio_list_empty(¤t->bio_list[1]))),
+ bio_list &&
+ (!bio_list_empty(&bio_list[0]) ||
+ !bio_list_empty(&bio_list[1]))) ||
+ /* move on if recovery thread is
+ * blocked by us
+ */
+ (conf->mddev->thread->tsk == current &&
+ test_bit(MD_RECOVERY_RUNNING,
+ &conf->mddev->recovery) &&
+ conf->nr_queued > 0),
conf->resync_lock);
conf->nr_waiting--;
if (!conf->nr_waiting)
@@ -1102,7 +1085,7 @@
/* Just ignore it */
bio_endio(bio);
else
- generic_make_request(bio);
+ submit_bio_noacct(bio);
bio = next;
}
kfree(plug);
@@ -1194,7 +1177,7 @@
gfp, &conf->bio_split);
bio_chain(split, bio);
allow_barrier(conf);
- generic_make_request(bio);
+ submit_bio_noacct(bio);
wait_barrier(conf);
bio = split;
r10_bio->master_bio = bio;
@@ -1221,7 +1204,7 @@
trace_block_bio_remap(read_bio->bi_disk->queue,
read_bio, disk_devt(mddev->gendisk),
r10_bio->sector);
- generic_make_request(read_bio);
+ submit_bio_noacct(read_bio);
return;
}
@@ -1479,7 +1462,7 @@
GFP_NOIO, &conf->bio_split);
bio_chain(split, bio);
allow_barrier(conf);
- generic_make_request(bio);
+ submit_bio_noacct(bio);
wait_barrier(conf);
bio = split;
r10_bio->master_bio = bio;
@@ -2100,7 +2083,7 @@
tbio->bi_opf |= MD_FAILFAST;
tbio->bi_iter.bi_sector += conf->mirrors[d].rdev->data_offset;
bio_set_dev(tbio, conf->mirrors[d].rdev->bdev);
- generic_make_request(tbio);
+ submit_bio_noacct(tbio);
}
/* Now write out to any replacement devices
@@ -2119,7 +2102,7 @@
atomic_inc(&r10_bio->remaining);
md_sync_acct(conf->mirrors[d].replacement->bdev,
bio_sectors(tbio));
- generic_make_request(tbio);
+ submit_bio_noacct(tbio);
}
done:
@@ -2242,7 +2225,7 @@
wbio = r10_bio->devs[1].bio;
wbio2 = r10_bio->devs[1].repl_bio;
/* Need to test wbio2->bi_end_io before we call
- * generic_make_request as if the former is NULL,
+ * submit_bio_noacct as if the former is NULL,
* the latter is free to free wbio2.
*/
if (wbio2 && !wbio2->bi_end_io)
@@ -2250,13 +2233,13 @@
if (wbio->bi_end_io) {
atomic_inc(&conf->mirrors[d].rdev->nr_pending);
md_sync_acct(conf->mirrors[d].rdev->bdev, bio_sectors(wbio));
- generic_make_request(wbio);
+ submit_bio_noacct(wbio);
}
if (wbio2) {
atomic_inc(&conf->mirrors[d].replacement->nr_pending);
md_sync_acct(conf->mirrors[d].replacement->bdev,
bio_sectors(wbio2));
- generic_make_request(wbio2);
+ submit_bio_noacct(wbio2);
}
}
@@ -2890,7 +2873,7 @@
* a number of r10_bio structures, one for each out-of-sync device.
* As we setup these structures, we collect all bio's together into a list
* which we then process collectively to add pages, and then process again
- * to pass to generic_make_request.
+ * to pass to submit_bio_noacct.
*
* The r10_bio structures are linked using a borrowed master_bio pointer.
* This link is counted in ->remaining. When the r10_bio that points to NULL
@@ -3497,7 +3480,7 @@
if (bio->bi_end_io == end_sync_read) {
md_sync_acct_bio(bio, nr_sectors);
bio->bi_status = 0;
- generic_make_request(bio);
+ submit_bio_noacct(bio);
}
}
@@ -3721,10 +3704,20 @@
return ERR_PTR(err);
}
+static void raid10_set_io_opt(struct r10conf *conf)
+{
+ int raid_disks = conf->geo.raid_disks;
+
+ if (!(conf->geo.raid_disks % conf->geo.near_copies))
+ raid_disks /= conf->geo.near_copies;
+ blk_queue_io_opt(conf->mddev->queue, (conf->mddev->chunk_sectors << 9) *
+ raid_disks);
+}
+
static int raid10_run(struct mddev *mddev)
{
struct r10conf *conf;
- int i, disk_idx, chunk_size;
+ int i, disk_idx;
struct raid10_info *disk;
struct md_rdev *rdev;
sector_t size;
@@ -3760,18 +3753,13 @@
mddev->thread = conf->thread;
conf->thread = NULL;
- chunk_size = mddev->chunk_sectors << 9;
if (mddev->queue) {
blk_queue_max_discard_sectors(mddev->queue,
mddev->chunk_sectors);
blk_queue_max_write_same_sectors(mddev->queue, 0);
blk_queue_max_write_zeroes_sectors(mddev->queue, 0);
- blk_queue_io_min(mddev->queue, chunk_size);
- if (conf->geo.raid_disks % conf->geo.near_copies)
- blk_queue_io_opt(mddev->queue, chunk_size * conf->geo.raid_disks);
- else
- blk_queue_io_opt(mddev->queue, chunk_size *
- (conf->geo.raid_disks / conf->geo.near_copies));
+ blk_queue_io_min(mddev->queue, mddev->chunk_sectors << 9);
+ raid10_set_io_opt(conf);
}
rdev_for_each(rdev, mddev) {
@@ -3886,19 +3874,6 @@
mddev->resync_max_sectors = size;
set_bit(MD_FAILFAST_SUPPORTED, &mddev->flags);
- if (mddev->queue) {
- int stripe = conf->geo.raid_disks *
- ((mddev->chunk_sectors << 9) / PAGE_SIZE);
-
- /* Calculate max read-ahead size.
- * We need to readahead at least twice a whole stripe....
- * maybe...
- */
- stripe /= conf->geo.near_copies;
- if (mddev->queue->backing_dev_info->ra_pages < 2 * stripe)
- mddev->queue->backing_dev_info->ra_pages = 2 * stripe;
- }
-
if (md_integrity_register(mddev))
goto out_free_conf;
@@ -4308,8 +4283,8 @@
else
rdev->recovery_offset = 0;
- if (sysfs_link_rdev(mddev, rdev))
- /* Failure here is OK */;
+ /* Failure here is OK */
+ sysfs_link_rdev(mddev, rdev);
}
} else if (rdev->raid_disk >= conf->prev.raid_disks
&& !test_bit(Faulty, &rdev->flags)) {
@@ -4455,7 +4430,7 @@
sector_nr = conf->reshape_progress;
if (sector_nr) {
mddev->curr_resync_completed = sector_nr;
- sysfs_notify(&mddev->kobj, NULL, "sync_completed");
+ sysfs_notify_dirent_safe(mddev->sysfs_completed);
*skipped = 1;
return sector_nr;
}
@@ -4484,8 +4459,8 @@
last = conf->reshape_progress - 1;
sector_nr = last & ~(sector_t)(conf->geo.chunk_mask
& conf->prev.chunk_mask);
- if (sector_nr + RESYNC_BLOCK_SIZE/512 < last)
- sector_nr = last + 1 - RESYNC_BLOCK_SIZE/512;
+ if (sector_nr + RESYNC_SECTORS < last)
+ sector_nr = last + 1 - RESYNC_SECTORS;
} else {
/* 'next' is after the last device address that we
* might write to for this chunk in the new layout
@@ -4507,8 +4482,8 @@
last = sector_nr | (conf->geo.chunk_mask
& conf->prev.chunk_mask);
- if (sector_nr + RESYNC_BLOCK_SIZE/512 <= last)
- last = sector_nr + RESYNC_BLOCK_SIZE/512 - 1;
+ if (sector_nr + RESYNC_SECTORS <= last)
+ last = sector_nr + RESYNC_SECTORS - 1;
}
if (need_flush ||
@@ -4655,7 +4630,7 @@
md_sync_acct_bio(read_bio, r10_bio->sectors);
atomic_inc(&r10_bio->remaining);
read_bio->bi_next = NULL;
- generic_make_request(read_bio);
+ submit_bio_noacct(read_bio);
sectors_done += nr_sectors;
if (sector_nr <= last)
goto read_more;
@@ -4718,7 +4693,7 @@
md_sync_acct_bio(b, r10_bio->sectors);
atomic_inc(&r10_bio->remaining);
b->bi_next = NULL;
- generic_make_request(b);
+ submit_bio_noacct(b);
}
end_reshape_request(r10_bio);
}
@@ -4736,16 +4711,8 @@
conf->reshape_safe = MaxSector;
spin_unlock_irq(&conf->device_lock);
- /* read-ahead size must cover two whole stripes, which is
- * 2 * (datadisks) * chunksize where 'n' is the number of raid devices
- */
- if (conf->mddev->queue) {
- int stripe = conf->geo.raid_disks *
- ((conf->mddev->chunk_sectors << 9) / PAGE_SIZE);
- stripe /= conf->geo.near_copies;
- if (conf->mddev->queue->backing_dev_info->ra_pages < 2 * stripe)
- conf->mddev->queue->backing_dev_info->ra_pages = 2 * stripe;
- }
+ if (conf->mddev->queue)
+ raid10_set_io_opt(conf);
conf->fullsync = 0;
}
@@ -4930,7 +4897,6 @@
.start_reshape = raid10_start_reshape,
.finish_reshape = raid10_finish_reshape,
.update_reshape_pos = raid10_update_reshape_pos,
- .congested = raid10_congested,
};
static int __init raid_init(void)