Update Linux to v5.10.157

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.157.tar.xz

Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
Change-Id: I7b30d9e98d8c465d6b44de8e7433b4a40b3289ba
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 6b240b7..3baa62e 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -977,7 +977,7 @@
 {
 	struct page *node_page;
 	nid_t nid;
-	unsigned int ofs_in_node;
+	unsigned int ofs_in_node, max_addrs;
 	block_t source_blkaddr;
 
 	nid = le32_to_cpu(sum->nid);
@@ -998,8 +998,18 @@
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
 	}
 
-	if (f2fs_check_nid_range(sbi, dni->ino))
+	if (f2fs_check_nid_range(sbi, dni->ino)) {
+		f2fs_put_page(node_page, 1);
 		return false;
+	}
+
+	max_addrs = IS_INODE(node_page) ? DEF_ADDRS_PER_INODE :
+						DEF_ADDRS_PER_BLOCK;
+	if (ofs_in_node >= max_addrs) {
+		f2fs_err(sbi, "Inconsistent ofs_in_node:%u in summary, ino:%u, nid:%u, max:%u",
+			ofs_in_node, dni->ino, dni->nid, max_addrs);
+		return false;
+	}
 
 	*nofs = ofs_of_node(node_page);
 	source_blkaddr = data_blkaddr(NULL, node_page, ofs_in_node);
@@ -1156,7 +1166,8 @@
 	}
 
 	if (f2fs_is_pinned_file(inode)) {
-		f2fs_pin_file_control(inode, true);
+		if (gc_type == FG_GC)
+			f2fs_pin_file_control(inode, true);
 		err = -EAGAIN;
 		goto out;
 	}
@@ -1738,23 +1749,31 @@
 	if (sync)
 		goto stop;
 
-	if (has_not_enough_free_secs(sbi, sec_freed, 0)) {
-		if (skipped_round <= MAX_SKIP_GC_COUNT ||
-					skipped_round * 2 < round) {
-			segno = NULL_SEGNO;
-			goto gc_more;
-		}
+	if (!has_not_enough_free_secs(sbi, sec_freed, 0))
+		goto stop;
 
-		if (first_skipped < last_skipped &&
-				(last_skipped - first_skipped) >
-						sbi->skipped_gc_rwsem) {
-			f2fs_drop_inmem_pages_all(sbi, true);
-			segno = NULL_SEGNO;
-			goto gc_more;
-		}
-		if (gc_type == FG_GC && !is_sbi_flag_set(sbi, SBI_CP_DISABLED))
+	if (skipped_round <= MAX_SKIP_GC_COUNT || skipped_round * 2 < round) {
+
+		/* Write checkpoint to reclaim prefree segments */
+		if (free_sections(sbi) < NR_CURSEG_PERSIST_TYPE &&
+				prefree_segments(sbi) &&
+				!is_sbi_flag_set(sbi, SBI_CP_DISABLED)) {
 			ret = f2fs_write_checkpoint(sbi, &cpc);
+			if (ret)
+				goto stop;
+		}
+		segno = NULL_SEGNO;
+		goto gc_more;
 	}
+	if (first_skipped < last_skipped &&
+			(last_skipped - first_skipped) >
+					sbi->skipped_gc_rwsem) {
+		f2fs_drop_inmem_pages_all(sbi, true);
+		segno = NULL_SEGNO;
+		goto gc_more;
+	}
+	if (gc_type == FG_GC && !is_sbi_flag_set(sbi, SBI_CP_DISABLED))
+		ret = f2fs_write_checkpoint(sbi, &cpc);
 stop:
 	SIT_I(sbi)->last_victim[ALLOC_NEXT] = 0;
 	SIT_I(sbi)->last_victim[FLUSH_DEVICE] = init_segno;