storage: tune f2fs to get max performance
max_io_bytes : block will split out, so let's submit asap.
min_hot_blocks : don't mess up the logs per the chunk size.
Change-Id: I0795fea90c3aaee0ef6058fce7f4a3c31fc3fb42
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
diff --git a/storage/init.storage.rc b/storage/init.storage.rc
index 948e820..e0ab920 100644
--- a/storage/init.storage.rc
+++ b/storage/init.storage.rc
@@ -6,6 +6,8 @@
# F2FS
write /dev/sys/fs/by-name/userdata/data_io_flag 8
write /dev/sys/fs/by-name/userdata/node_io_flag 8
+ write /dev/sys/fs/by-name/userdata/max_io_bytes 524288
+ write /dev/sys/fs/by-name/userdata/min_hot_blocks 0
# Block
write /dev/sys/block/by-name/rootdisk/queue/iostats 1