[PATCH 2/4] f2fs: much larger batched trim_fs job

From: Jaegeuk Kim
Date: Wed Feb 22 2017 - 23:29:31 EST


We have a kernel thread to issue discard commands, so we can increase the
number of batched discard sections. By default, now it becomes 4GB range.

Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/f2fs/f2fs.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 5f3fe97df055..8f3171f12fa5 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -128,7 +128,7 @@ enum {
CP_DISCARD,
};

-#define DEF_BATCHED_TRIM_SECTIONS 2
+#define DEF_BATCHED_TRIM_SECTIONS 2048
#define BATCHED_TRIM_SEGMENTS(sbi) \
(SM_I(sbi)->trim_sections * (sbi)->segs_per_sec)
#define BATCHED_TRIM_BLOCKS(sbi) \
--
2.11.0