samples: fs: unmount and remount filesystem during init (f414400b) · Commits · Wenxi XU / zephyr

samples/subsys/fs/fs_sample/src/main.c

+27 −6

Original line number	Diff line number	Diff line
		@@ -48,6 +48,12 @@ static struct fs_mount_t mp = {

		#endif

		#if defined(CONFIG_FAT_FILESYSTEM_ELM)
		#define FS_RET_OK FR_OK
		#else
		#define FS_RET_OK 0
		#endif

		LOG_MODULE_REGISTER(main);

		#define MAX_PATH 128
		@@ -107,7 +113,8 @@ int main(void)
		uint32_t block_count;
		uint32_t block_size;

		if (disk_access_init(disk_pdrv) != 0) {
		if (disk_access_ioctl(disk_pdrv,
		DISK_IOCTL_CTRL_INIT, NULL) != 0) {
		LOG_ERR("Storage init ERROR!");
		break;
		}
		@@ -128,18 +135,32 @@ int main(void)

		memory_size_mb = (uint64_t)block_count * block_size;
		printk("Memory Size(MB) %u\n", (uint32_t)(memory_size_mb >> 20));

		if (disk_access_ioctl(disk_pdrv,
		DISK_IOCTL_CTRL_DEINIT, NULL) != 0) {
		LOG_ERR("Storage deinit ERROR!");
		break;
		}
		} while (0);

		mp.mnt_point = disk_mount_pt;

		int res = fs_mount(&mp);

		#if defined(CONFIG_FAT_FILESYSTEM_ELM)
		if (res == FR_OK) {
		#else
		if (res == 0) {
		#endif
		if (res == FS_RET_OK) {
		printk("Disk mounted.\n");
		/* Try to unmount and remount the disk */
		res = fs_unmount(&mp);
		if (res != FS_RET_OK) {
		printk("Error unmounting disk\n");
		return res;
		}
		res = fs_mount(&mp);
		if (res != FS_RET_OK) {
		printk("Error remounting disk\n");
		return res;
		}

		if (lsdir(disk_mount_pt) == 0) {
		#ifdef CONFIG_FS_SAMPLE_CREATE_SOME_ENTRIES
		if (create_some_entries(disk_mount_pt)) {