f2fs: reduce batch size of fstrim

This is to reduce the batch size of fstrim to avoid long latency.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index f478cb6..59eed3e 100644 (file)
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -158,7 +158,7 @@ enum {
        CP_DISCARD,
 };
 
-#define DEF_BATCHED_TRIM_SECTIONS      32
+#define DEF_BATCHED_TRIM_SECTIONS      2
 #define BATCHED_TRIM_SEGMENTS(sbi)     \
                (SM_I(sbi)->trim_sections * (sbi)->segs_per_sec)
 #define BATCHED_TRIM_BLOCKS(sbi)       \