X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=fs%2Ff2fs%2Fsegment.c;h=29ef7088c5582a480b6a1f7965fbbcca4f07e24e;hb=2239cc634395ecce69dd047be9104f71edc417b4;hp=4bd7a8b19332d176d78b0a40c24e7bb12bbe2f5e;hpb=8c2c8ed8b85d4012d26caf1c221c291c687d89f0;p=mirror_ubuntu-artful-kernel.git

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 4bd7a8b19332..29ef7088c558 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1163,6 +1163,12 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del)
 		if (f2fs_discard_en(sbi) &&
 			!f2fs_test_and_set_bit(offset, se->discard_map))
 			sbi->discard_blks--;
+
+		/* don't overwrite by SSR to keep node chain */
+		if (se->type == CURSEG_WARM_NODE) {
+			if (!f2fs_test_and_set_bit(offset, se->ckpt_valid_map))
+				se->ckpt_valid_blocks++;
+		}
 	} else {
 		if (!f2fs_test_and_clear_bit(offset, se->cur_valid_map)) {
 #ifdef CONFIG_F2FS_CHECK_FS