117 static int fatfs_open(struct fs_file_t *zfp, const char *file_name,  in fatfs_open()  argument
126 		zfp->filep = ptr;  in fatfs_open()
133 	res = f_open(zfp->filep, translate_path(file_name), fs_mode);  in fatfs_open()
137 		zfp->filep = NULL;  in fatfs_open()
143 static int fatfs_close(struct fs_file_t *zfp)  in fatfs_close()  argument
147 	res = f_close(zfp->filep);  in fatfs_close()
150 	k_mem_slab_free(&fatfs_filep_pool, zfp->filep);  in fatfs_close()
151 	zfp->filep = NULL;  in fatfs_close()
193 static ssize_t fatfs_read(struct fs_file_t *zfp, void *ptr, size_t size)  in fatfs_read()  argument
198 	res = f_read(zfp->filep, ptr, size, &br);  in fatfs_read()
206 static ssize_t fatfs_write(struct fs_file_t *zfp, const void *ptr, size_t size)  in fatfs_write()  argument
212 	off_t pos = f_size((FIL *)zfp->filep);  in fatfs_write()
220 	if (zfp->flags & FS_O_APPEND) {  in fatfs_write()
221 		res = f_lseek(zfp->filep, pos);  in fatfs_write()
225 		res = f_write(zfp->filep, ptr, size, &bw);  in fatfs_write()
238 static int fatfs_seek(struct fs_file_t *zfp, off_t offset, int whence)  in fatfs_seek()  argument
248 		pos = f_tell((FIL *)zfp->filep) + offset;  in fatfs_seek()
251 		pos = f_size((FIL *)zfp->filep) + offset;  in fatfs_seek()
257 	if ((pos < 0) || (pos > f_size((FIL *)zfp->filep))) {  in fatfs_seek()
261 	res = f_lseek(zfp->filep, pos);  in fatfs_seek()
266 static off_t fatfs_tell(struct fs_file_t *zfp)  in fatfs_tell()  argument
268 	return f_tell((FIL *)zfp->filep);  in fatfs_tell()
271 static int fatfs_truncate(struct fs_file_t *zfp, off_t length)  in fatfs_truncate()  argument
276 	off_t cur_length = f_size((FIL *)zfp->filep);  in fatfs_truncate()
279 	res = f_lseek(zfp->filep, length);  in fatfs_truncate()
285 		res = f_truncate(zfp->filep);  in fatfs_truncate()
292 		length = f_tell((FIL *)zfp->filep);  in fatfs_truncate()
294 		res = f_lseek(zfp->filep, cur_length);  in fatfs_truncate()
309 			res = f_write(zfp->filep, &c, 1, &bw);  in fatfs_truncate()
322 static int fatfs_sync(struct fs_file_t *zfp)  in fatfs_sync()  argument
327 	res = f_sync(zfp->filep);  in fatfs_sync()