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Subject[PATCH] f2fs: avoid frequent background GC
Date
If there is no victim segments selected by background GC, let's wait
a little bit longer time to collect dirty segments.
By default, let's give 10 minutes.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
---
fs/f2fs/gc.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h
index 30b2db0..1190d57 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 10000 /* milliseconds */
+#define GC_THREAD_MIN_SLEEP_TIME 10000 /* milliseconds */
#define GC_THREAD_MAX_SLEEP_TIME 30000
-#define GC_THREAD_NOGC_SLEEP_TIME 10000
+#define GC_THREAD_NOGC_SLEEP_TIME 600000 /* wait 10 min */
#define LIMIT_INVALID_BLOCK 40 /* percentage over total user space */
#define LIMIT_FREE_BLOCK 40 /* percentage over invalid + free space */

--
1.8.1.3.566.gaa39828


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