1 files changed, 19 insertions, 14 deletions

diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h
index 2c6a6bd08322..f4bf44c9deda 100644
--- a/fs/f2fs/gc.h
+++ b/fs/f2fs/gc.h
@@ -13,9 +13,9 @@
                                                  * whether IO subsystem is idle
                                                  * or not
                                                  */
-#define GC_THREAD_MIN_SLEEP_TIME        30000   /* milliseconds */
-#define GC_THREAD_MAX_SLEEP_TIME        60000
-#define GC_THREAD_NOGC_SLEEP_TIME       300000  /* wait 5 min */
+#define DEF_GC_THREAD_MIN_SLEEP_TIME    30000   /* milliseconds */
+#define DEF_GC_THREAD_MAX_SLEEP_TIME    60000
+#define DEF_GC_THREAD_NOGC_SLEEP_TIME   300000  /* wait 5 min */
 #define LIMIT_INVALID_BLOCK     40 /* percentage over total user space */
 #define LIMIT_FREE_BLOCK        40 /* percentage over invalid + free space */
 
@@ -25,6 +25,11 @@
 struct f2fs_gc_kthread {
         struct task_struct *f2fs_gc_task;
         wait_queue_head_t gc_wait_queue_head;
+
+        /* for gc sleep time */
+        unsigned int min_sleep_time;
+        unsigned int max_sleep_time;
+        unsigned int no_gc_sleep_time;
 };
 
 struct inode_entry {
@@ -56,25 +61,25 @@ static inline block_t limit_free_user_blocks(struct f2fs_sb_info *sbi)
         return (long)(reclaimable_user_blocks * LIMIT_FREE_BLOCK) / 100;
 }
 
-static inline long increase_sleep_time(long wait)
+static inline long increase_sleep_time(struct f2fs_gc_kthread *gc_th, long wait)
 {
-        if (wait == GC_THREAD_NOGC_SLEEP_TIME)
+        if (wait == gc_th->no_gc_sleep_time)
                 return wait;
 
-        wait += GC_THREAD_MIN_SLEEP_TIME;
-        if (wait > GC_THREAD_MAX_SLEEP_TIME)
-                wait = GC_THREAD_MAX_SLEEP_TIME;
+        wait += gc_th->min_sleep_time;
+        if (wait > gc_th->max_sleep_time)
+                wait = gc_th->max_sleep_time;
         return wait;
 }
 
-static inline long decrease_sleep_time(long wait)
+static inline long decrease_sleep_time(struct f2fs_gc_kthread *gc_th, long wait)
 {
-        if (wait == GC_THREAD_NOGC_SLEEP_TIME)
-                wait = GC_THREAD_MAX_SLEEP_TIME;
+        if (wait == gc_th->no_gc_sleep_time)
+                wait = gc_th->max_sleep_time;
 
-        wait -= GC_THREAD_MIN_SLEEP_TIME;
-        if (wait <= GC_THREAD_MIN_SLEEP_TIME)
-                wait = GC_THREAD_MIN_SLEEP_TIME;
+        wait -= gc_th->min_sleep_time;
+        if (wait <= gc_th->min_sleep_time)
+                wait = gc_th->min_sleep_time;
         return wait;
 }