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-rw-r--r--fs/f2fs/gc.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h
index b4a65be9f..c5a055b33 100644
--- a/fs/f2fs/gc.h
+++ b/fs/f2fs/gc.h
@@ -19,6 +19,12 @@
#define LIMIT_INVALID_BLOCK 40 /* percentage over total user space */
#define LIMIT_FREE_BLOCK 40 /* percentage over invalid + free space */
+/*
+ * with this macro, we can control the max time we do garbage collection,
+ * when user triggers batch mode gc by ioctl.
+ */
+#define F2FS_BATCH_GC_MAX_NUM 16
+
/* Search max. number of dirty segments to select a victim segment */
#define DEF_MAX_VICTIM_SEARCH 4096 /* covers 8GB */