[OpenWrt-Devel] [PATCH v3 2/2] fstools: allow the mounting with full access time accounting

[Pierre Lebleu]

In order to allow the mounting of the filesystem with full access time
accounting, a new CMake option (eg: CMAKE_OVL_MOUNT_FULL_ACCESS_TIME)
has been added.

Signed-off-by: Pierre Lebleu <pme.lebleu at gmail.com>
---
v2: change the option name
v3: use only one define as suggested
 CMakeLists.txt       | 4 ++++
 libfstools/overlay.c | 7 ++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4844c03..f86a4d5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -56,6 +56,10 @@ IF(DEFINED CMAKE_OVL_MOUNT_COMPRESS_ZLIB)
 	ADD_DEFINITIONS(-DOVL_MOUNT_COMPRESS_ZLIB)
 ENDIF(DEFINED CMAKE_OVL_MOUNT_COMPRESS_ZLIB)
 
+IF(DEFINED CMAKE_OVL_MOUNT_FULL_ACCESS_TIME)
+	ADD_DEFINITIONS(-DOVL_MOUNT_FULL_ACCESS_TIME)
+ENDIF(DEFINED CMAKE_OVL_MOUNT_FULL_ACCESS_TIME)
+
 ADD_EXECUTABLE(mount_root mount_root.c)
 TARGET_LINK_LIBRARIES(mount_root fstools)
 INSTALL(TARGETS mount_root RUNTIME DESTINATION sbin)
diff --git a/libfstools/overlay.c b/libfstools/overlay.c
index 068afdc..14214a3 100644
--- a/libfstools/overlay.c
+++ b/libfstools/overlay.c
@@ -341,7 +341,12 @@ static int overlay_mount_fs(struct volume *v)
 		return -1;
 	}
 
-	if (mount(v->blk, "/tmp/overlay", fstype, MS_NOATIME,
+	if (mount(v->blk, "/tmp/overlay", fstype,
+#ifdef OVL_MOUNT_FULL_ACCESS_TIME
+		MS_RELATIME,
+#else
+		MS_NOATIME,
+#endif
 #ifdef OVL_MOUNT_COMPRESS_ZLIB
 		"compr=zlib"
 #else
-- 
1.9.1


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