[rtems commit] dosfs: Add sync_device option for msdos_format()

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    4b8e01f7c559ef661910d013347513221f3baca7
Changeset: http://git.rtems.org/rtems/commit/?id=4b8e01f7c559ef661910d013347513221f3baca7

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Thu Dec 13 11:08:03 2012 +0100

dosfs: Add sync_device option for msdos_format()

---

 cpukit/libfs/src/dosfs/dosfs.h          |    5 +++++
 cpukit/libfs/src/dosfs/msdos_format.c   |    5 +++++
 testsuites/fstests/fsdosfssync01/init.c |    7 ++++++-
 3 files changed, 16 insertions(+), 1 deletions(-)

diff --git a/cpukit/libfs/src/dosfs/dosfs.h b/cpukit/libfs/src/dosfs/dosfs.h
index 4857466..2374e63 100644
--- a/cpukit/libfs/src/dosfs/dosfs.h
+++ b/cpukit/libfs/src/dosfs/dosfs.h
@@ -95,6 +95,11 @@ typedef struct {
   bool skip_alignment;
 
   /**
+   * @brief Synchronize device after write operations.
+   */
+  bool sync_device;
+
+  /**
    * @brief The amount of info to output.
    */
   int info_level;
diff --git a/cpukit/libfs/src/dosfs/msdos_format.c b/cpukit/libfs/src/dosfs/msdos_format.c
index 0bf3f39..0b30caf 100644
--- a/cpukit/libfs/src/dosfs/msdos_format.c
+++ b/cpukit/libfs/src/dosfs/msdos_format.c
@@ -1251,6 +1251,11 @@ int msdos_format
          tmp_sec);
     }
   }
+
+  if (ret_val == 0 && rqdata != NULL && rqdata->sync_device) {
+    ret_val = rtems_disk_fd_sync(fd);
+  }
+
   /*
    * cleanup:
    * sync and unlock disk
diff --git a/testsuites/fstests/fsdosfssync01/init.c b/testsuites/fstests/fsdosfssync01/init.c
index 72481b2..fc38e2c 100644
--- a/testsuites/fstests/fsdosfssync01/init.c
+++ b/testsuites/fstests/fsdosfssync01/init.c
@@ -89,6 +89,11 @@ static void check_file_size(const char *file, off_t size)
 
 static void test(const char *rda, const char *mnt, const char *file)
 {
+  static const msdos_format_request_param_t rqdata = {
+    .quick_format = true,
+    .sync_device = true
+  };
+
   rtems_status_code sc;
   int disk_fd;
   int rv;
@@ -99,7 +104,7 @@ static void test(const char *rda, const char *mnt, const char *file)
   disk_fd = open(rda, O_RDWR);
   rtems_test_assert(disk_fd >= 0);
 
-  rv = msdos_format(rda, NULL);
+  rv = msdos_format(rda, &rqdata);
   rtems_test_assert(rv == 0);
 
   rv = mount_and_make_target_path(