commit b92d3c7d5b3ba6d6e00b303f1fca6c2b8d24a51a
author Jaegeuk Kim <jaegeuk@google.com> Mon Aug 20 13:39:27 2018 -0700
committer Rohit Yengisetty <rngy@google.com> Tue Oct 16 16:11:41 2018 -0700
tree 177f5f577b86332df9f5fe1be139daffd20a4b71
parent a32b1b97037bc6b7b3bd47dcf2a84ac599725f6a

[DO NOT MERGE] make_f2fs: issue discard commands on mkfs

We'd better to discard whole partition for better performance.

Bug: 112868088
Test: factory reset
Change-Id: I9c0c711f2b081e4d0b4e145ab08f95b382925847
Merged-In: I9c0c711f2b081e4d0b4e145ab08f95b382925847
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
(cherry picked from commit e42a4945929a4bb1b2ef7e74093ce0882ff81b8d)

Android.mk

diff --git a/Android.mk b/Android.mk
index 9ccb336..d0f4e76 100644
--- a/Android.mk
+++ b/Android.mk
@@ -4,7 +4,7 @@
 ifeq ($(HOST_OS),linux)
 
 # The versions depend on $(LOCAL_PATH)/VERSION
-version_CFLAGS := -DF2FS_MAJOR_VERSION=1 -DF2FS_MINOR_VERSION=4 -DF2FS_TOOLS_VERSION=\"1.4.0\" -DF2FS_TOOLS_DATE=\"2014-10-18\"
+version_CFLAGS := -DF2FS_MAJOR_VERSION=1 -DF2FS_MINOR_VERSION=4 -DF2FS_TOOLS_VERSION=\"1.4.0\" -DF2FS_TOOLS_DATE=\"2014-10-18\" -DWITH_BLKDISCARD
 
 # external/e2fsprogs/lib is needed for uuid/uuid.h
 common_C_INCLUDES := $(LOCAL_PATH)/include external/e2fsprogs/lib/