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/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index 7f0fb4b..554e3af 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -11,6 +11,7 @@
 #include "btree.h"
 #include "request.h"
 #include "writeback.h"
+#include "features.h"
 
 #include <linux/blkdev.h>
 #include <linux/sort.h>
@@ -88,6 +89,9 @@
 read_attribute(average_key_size);
 read_attribute(dirty_data);
 read_attribute(bset_tree_stats);
+read_attribute(feature_compat);
+read_attribute(feature_ro_compat);
+read_attribute(feature_incompat);
 
 read_attribute(state);
 read_attribute(cache_read_races);
@@ -141,6 +145,7 @@
 rw_attribute(cache_replacement_policy);
 rw_attribute(btree_shrinker_disabled);
 rw_attribute(copy_gc_enabled);
+rw_attribute(idle_max_writeback_rate);
 rw_attribute(gc_after_writeback);
 rw_attribute(size);
 
@@ -153,7 +158,7 @@
 	size_t i;
 
 	for (i = 0; list[i]; i++)
-		out += snprintf(out, buf + size - out,
+		out += scnprintf(out, buf + size - out,
 				i == selected ? "[%s] " : "%s ", list[i]);
 
 	out[-1] = '\n';
@@ -420,7 +425,7 @@
 				return size;
 		}
 		if (v == -ENOENT)
-			pr_err("Can't attach %s: cache set not found", buf);
+			pr_err("Can't attach %s: cache set not found\n", buf);
 		return v;
 	}
 
@@ -454,7 +459,7 @@
 			 */
 			if (dc->writeback_running) {
 				dc->writeback_running = false;
-				pr_err("%s: failed to run non-existent writeback thread",
+				pr_err("%s: failed to run non-existent writeback thread\n",
 						dc->disk.disk->disk_name);
 			}
 		} else
@@ -706,10 +711,10 @@
 {
 	struct cache_set *c = container_of(kobj, struct cache_set, kobj);
 
-	sysfs_print(synchronous,		CACHE_SYNC(&c->sb));
+	sysfs_print(synchronous,		CACHE_SYNC(&c->cache->sb));
 	sysfs_print(journal_delay_ms,		c->journal_delay_ms);
-	sysfs_hprint(bucket_size,		bucket_bytes(c));
-	sysfs_hprint(block_size,		block_bytes(c));
+	sysfs_hprint(bucket_size,		bucket_bytes(c->cache));
+	sysfs_hprint(block_size,		block_bytes(c->cache));
 	sysfs_print(tree_depth,			c->root->level);
 	sysfs_print(root_usage_percent,		bch_root_usage(c));
 
@@ -769,6 +774,8 @@
 	sysfs_printf(gc_always_rewrite,		"%i", c->gc_always_rewrite);
 	sysfs_printf(btree_shrinker_disabled,	"%i", c->shrinker_disabled);
 	sysfs_printf(copy_gc_enabled,		"%i", c->copy_gc_enabled);
+	sysfs_printf(idle_max_writeback_rate,	"%i",
+		     c->idle_max_writeback_rate_enabled);
 	sysfs_printf(gc_after_writeback,	"%i", c->gc_after_writeback);
 	sysfs_printf(io_disable,		"%i",
 		     test_bit(CACHE_SET_IO_DISABLE, &c->flags));
@@ -776,6 +783,13 @@
 	if (attr == &sysfs_bset_tree_stats)
 		return bch_bset_print_stats(c, buf);
 
+	if (attr == &sysfs_feature_compat)
+		return bch_print_cache_set_feature_compat(c, buf, PAGE_SIZE);
+	if (attr == &sysfs_feature_ro_compat)
+		return bch_print_cache_set_feature_ro_compat(c, buf, PAGE_SIZE);
+	if (attr == &sysfs_feature_incompat)
+		return bch_print_cache_set_feature_incompat(c, buf, PAGE_SIZE);
+
 	return 0;
 }
 SHOW_LOCKED(bch_cache_set)
@@ -798,8 +812,8 @@
 	if (attr == &sysfs_synchronous) {
 		bool sync = strtoul_or_return(buf);
 
-		if (sync != CACHE_SYNC(&c->sb)) {
-			SET_CACHE_SYNC(&c->sb, sync);
+		if (sync != CACHE_SYNC(&c->cache->sb)) {
+			SET_CACHE_SYNC(&c->cache->sb, sync);
 			bcache_write_super(c);
 		}
 	}
@@ -869,11 +883,11 @@
 		if (v) {
 			if (test_and_set_bit(CACHE_SET_IO_DISABLE,
 					     &c->flags))
-				pr_warn("CACHE_SET_IO_DISABLE already set");
+				pr_warn("CACHE_SET_IO_DISABLE already set\n");
 		} else {
 			if (!test_and_clear_bit(CACHE_SET_IO_DISABLE,
 						&c->flags))
-				pr_warn("CACHE_SET_IO_DISABLE already cleared");
+				pr_warn("CACHE_SET_IO_DISABLE already cleared\n");
 		}
 	}
 
@@ -886,6 +900,9 @@
 	sysfs_strtoul_bool(gc_always_rewrite,	c->gc_always_rewrite);
 	sysfs_strtoul_bool(btree_shrinker_disabled, c->shrinker_disabled);
 	sysfs_strtoul_bool(copy_gc_enabled,	c->copy_gc_enabled);
+	sysfs_strtoul_bool(idle_max_writeback_rate,
+			   c->idle_max_writeback_rate_enabled);
+
 	/*
 	 * write gc_after_writeback here may overwrite an already set
 	 * BCH_DO_AUTO_GC, it doesn't matter because this flag will be
@@ -976,10 +993,14 @@
 	&sysfs_gc_always_rewrite,
 	&sysfs_btree_shrinker_disabled,
 	&sysfs_copy_gc_enabled,
+	&sysfs_idle_max_writeback_rate,
 	&sysfs_gc_after_writeback,
 	&sysfs_io_disable,
 	&sysfs_cutoff_writeback,
 	&sysfs_cutoff_writeback_sync,
+	&sysfs_feature_compat,
+	&sysfs_feature_ro_compat,
+	&sysfs_feature_incompat,
 	NULL
 };
 KTYPE(bch_cache_set_internal);