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-rw-r--r--fs/f2fs/gc.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index e611d768efde..a78aa5480454 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -1012,8 +1012,14 @@ next_step:
block_t start_bidx;
nid_t nid = le32_to_cpu(entry->nid);
- /* stop BG_GC if there is not enough free sections. */
- if (gc_type == BG_GC && has_not_enough_free_secs(sbi, 0, 0))
+ /*
+ * stop BG_GC if there is not enough free sections.
+ * Or, stop GC if the segment becomes fully valid caused by
+ * race condition along with SSR block allocation.
+ */
+ if ((gc_type == BG_GC && has_not_enough_free_secs(sbi, 0, 0)) ||
+ get_valid_blocks(sbi, segno, false) ==
+ sbi->blocks_per_seg)
return submitted;
if (check_valid_map(sbi, segno, off) == 0)