Update Linux to v5.4.148
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.4.148.tar.gz
Change-Id: Ib3d26c5ba9b022e2e03533005c4fed4d7c30b61b
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 223e97a..08a7f97 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -2228,14 +2228,19 @@
* of the P and Q blocks.
*/
static int scribble_alloc(struct raid5_percpu *percpu,
- int num, int cnt, gfp_t flags)
+ int num, int cnt)
{
size_t obj_size =
sizeof(struct page *) * (num+2) +
sizeof(addr_conv_t) * (num+2);
void *scribble;
- scribble = kvmalloc_array(cnt, obj_size, flags);
+ /*
+ * If here is in raid array suspend context, it is in memalloc noio
+ * context as well, there is no potential recursive memory reclaim
+ * I/Os with the GFP_KERNEL flag.
+ */
+ scribble = kvmalloc_array(cnt, obj_size, GFP_KERNEL);
if (!scribble)
return -ENOMEM;
@@ -2267,8 +2272,7 @@
percpu = per_cpu_ptr(conf->percpu, cpu);
err = scribble_alloc(percpu, new_disks,
- new_sectors / STRIPE_SECTORS,
- GFP_NOIO);
+ new_sectors / STRIPE_SECTORS);
if (err)
break;
}
@@ -2403,8 +2407,6 @@
} else
err = -ENOMEM;
- mutex_unlock(&conf->cache_size_mutex);
-
conf->slab_cache = sc;
conf->active_name = 1-conf->active_name;
@@ -2427,6 +2429,8 @@
if (!err)
conf->pool_size = newsize;
+ mutex_unlock(&conf->cache_size_mutex);
+
return err;
}
@@ -3600,6 +3604,7 @@
* is missing/faulty, then we need to read everything we can.
*/
if (sh->raid_conf->level != 6 &&
+ sh->raid_conf->rmw_level != PARITY_DISABLE_RMW &&
sh->sector < sh->raid_conf->mddev->recovery_cp)
/* reconstruct-write isn't being forced */
return 0;
@@ -4835,7 +4840,7 @@
* or to load a block that is being partially written.
*/
if (s.to_read || s.non_overwrite
- || (conf->level == 6 && s.to_write && s.failed)
+ || (s.to_write && s.failed)
|| (s.syncing && (s.uptodate + s.compute < disks))
|| s.replacing
|| s.expanding)
@@ -5592,8 +5597,8 @@
if (ret == 0)
return true;
if (ret == -ENODEV) {
- md_flush_request(mddev, bi);
- return true;
+ if (md_flush_request(mddev, bi))
+ return true;
}
/* ret == -EAGAIN, fallback */
/*
@@ -5726,7 +5731,7 @@
do_flush = false;
}
- if (!sh->batch_head)
+ if (!sh->batch_head || sh == sh->batch_head)
set_bit(STRIPE_HANDLE, &sh->state);
clear_bit(STRIPE_DELAYED, &sh->state);
if ((!sh->batch_head || sh == sh->batch_head) &&
@@ -6765,8 +6770,7 @@
conf->previous_raid_disks),
max(conf->chunk_sectors,
conf->prev_chunk_sectors)
- / STRIPE_SECTORS,
- GFP_KERNEL)) {
+ / STRIPE_SECTORS)) {
free_scratch_buffer(conf, percpu);
return -ENOMEM;
}