commit 1235158c29909132fbe9aa52939061fc81f0800e
author JP Abgrall <jpa@google.com> Tue Jun 17 17:01:14 2014 -0700
committer JP Abgrall <jpa@google.com> Tue Jun 17 17:01:14 2014 -0700
tree 281e8e34a649d2fe05062228e10a25650965faa1
parent e1f7c176f6e6fe9349f3c238bde31c62b09e534a

F2FS support for fastboot format and fsmgr

- Enables fsck.f2fs for partitions with type F2FS.
- Adds support for f2fs as format fs-type.
- f2fs is optional and support is dlopen()d when needed.

Needs changes in
  system/extras/f2fs_utils
  external/f2fs-tools

Change-Id: I8d141a0d4d14df9fe84d3b131484e9696fcd8870
Signed-off-by: JP Abgrall <jpa@google.com>

fastboot/Android.mk

diff --git a/fastboot/Android.mk b/fastboot/Android.mk
index 73794a0..8fc1f0b 100644
--- a/fastboot/Android.mk
+++ b/fastboot/Android.mk
@@ -17,7 +17,8 @@
 include $(CLEAR_VARS)
 
 LOCAL_C_INCLUDES := $(LOCAL_PATH)/../mkbootimg \
-  $(LOCAL_PATH)/../../extras/ext4_utils
+  $(LOCAL_PATH)/../../extras/ext4_utils \
+  $(LOCAL_PATH)/../../extras/f2fs_utils
 LOCAL_SRC_FILES := protocol.c engine.c bootimg.c fastboot.c util.c fs.c
 LOCAL_MODULE := fastboot
 LOCAL_MODULE_TAGS := debug
@@ -50,14 +51,20 @@
   LOCAL_C_INCLUDES += development/host/windows/usb/api
 endif
 
+# The following libf2fs_* are from system/extras/f2fs_utils,
+# and do not use code in external/f2fs-tools.
 LOCAL_STATIC_LIBRARIES := \
     $(EXTRA_STATIC_LIBS) \
     libzipfile \
     libunz \
     libext4_utils_host \
+    libf2fs_utils_host \
+    libf2fs_dlutils_host \
     libsparse_host \
     libz
-
+# libf2fs_dlutils_host will dlopen("libf2fs_fmt_host_dyn")
+LOCAL_LDLIBS := -ldl
+LOCAL_SHARED_LIBRARIES := libf2fs_fmt_host_dyn
 ifneq ($(HOST_OS),windows)
 LOCAL_STATIC_LIBRARIES += libselinux
 endif # HOST_OS != windows

fastboot/fs.c

diff --git a/fastboot/fs.c b/fastboot/fs.c
index cd4b880..11e391b 100644
--- a/fastboot/fs.c
+++ b/fastboot/fs.c
@@ -1,5 +1,6 @@
 #include "fastboot.h"
 #include "make_ext4fs.h"
+#include "make_f2fs.h"
 #include "fs.h"
 
 #include <errno.h>
@@ -28,15 +29,20 @@
     return 0;
 }
 
+int generate_f2fs_image(int fd, long long partSize)
+{
+    make_f2fs_sparse_fd(fd, partSize, NULL, NULL);
+    return 0;
+}
+
 static const struct fs_generator {
 
     char *fs_type;  //must match what fastboot reports for partition type
     int (*generate)(int fd, long long partSize); //returns 0 or error value
 
 } generators[] = {
-
-    { "ext4", generate_ext4_image}
-
+    { "ext4", generate_ext4_image},
+    { "f2fs", generate_f2fs_image},
 };
 
 const struct fs_generator* fs_get_generator(const char *fs_type)

fs_mgr/fs_mgr.c

diff --git a/fs_mgr/fs_mgr.c b/fs_mgr/fs_mgr.c
index ee3cbf9..d2938cf 100644
--- a/fs_mgr/fs_mgr.c
+++ b/fs_mgr/fs_mgr.c
@@ -46,6 +46,7 @@
 #define KEY_IN_FOOTER  "footer"
 
 #define E2FSCK_BIN      "/system/bin/e2fsck"
+#define F2FS_FSCK_BIN  "/system/bin/fsck.f2fs"
 #define MKSWAP_BIN      "/system/bin/mkswap"
 
 #define FSCK_LOG_FILE   "/dev/fscklogs/log"
@@ -135,6 +136,20 @@
                 ERROR("Failed trying to run %s\n", E2FSCK_BIN);
             }
         }
+    } else if (!strcmp(fs_type, "f2fs")) {
+            char *f2fs_fsck_argv[] = {
+                    F2FS_FSCK_BIN,
+                    blk_device
+            };
+        INFO("Running %s on %s\n", F2FS_FSCK_BIN, blk_device);
+
+        ret = android_fork_execvp_ext(ARRAY_SIZE(f2fs_fsck_argv), f2fs_fsck_argv,
+                                      &status, true, LOG_KLOG | LOG_FILE,
+                                      true, FSCK_LOG_FILE);
+        if (ret < 0) {
+            /* No need to check for error in fork, we can't really handle it now */
+            ERROR("Failed trying to run %s\n", F2FS_FSCK_BIN);
+        }
     }
 
     return;