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-rw-r--r--fs/f2fs/gc.c27
1 files changed, 25 insertions, 2 deletions
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 8974672db78f..5877bd729689 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -382,6 +382,16 @@ static int get_victim_by_default(struct f2fs_sb_info *sbi,
nsearched++;
}
+#ifdef CONFIG_F2FS_CHECK_FS
+ /*
+ * skip selecting the invalid segno (that is failed due to block
+ * validity check failure during GC) to avoid endless GC loop in
+ * such cases.
+ */
+ if (test_bit(segno, sm->invalid_segmap))
+ goto next;
+#endif
+
secno = GET_SEC_FROM_SEG(sbi, segno);
if (sec_usage_check(sbi, secno))
@@ -627,8 +637,21 @@ static bool is_alive(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
source_blkaddr = datablock_addr(NULL, node_page, ofs_in_node);
f2fs_put_page(node_page, 1);
- if (source_blkaddr != blkaddr)
+ if (source_blkaddr != blkaddr) {
+#ifdef CONFIG_F2FS_CHECK_FS
+ unsigned int segno = GET_SEGNO(sbi, blkaddr);
+ unsigned long offset = GET_BLKOFF_FROM_SEG0(sbi, blkaddr);
+
+ if (unlikely(check_valid_map(sbi, segno, offset))) {
+ if (!test_and_set_bit(segno, SIT_I(sbi)->invalid_segmap)) {
+ f2fs_err(sbi, "mismatched blkaddr %u (source_blkaddr %u) in seg %u\n",
+ blkaddr, source_blkaddr, segno);
+ f2fs_bug_on(sbi, 1);
+ }
+ }
+#endif
return false;
+ }
return true;
}
@@ -1303,7 +1326,7 @@ gc_more:
round++;
}
- if (gc_type == FG_GC)
+ if (gc_type == FG_GC && seg_freed)
sbi->cur_victim_sec = NULL_SEGNO;
if (sync)