133 int fs_open(struct fs_file_t *zfp, const char *file_name, fs_mode_t flags)  in fs_open()  argument
145 	if (zfp->mp != NULL) {  in fs_open()
177 	zfp->mp = mp;  in fs_open()
178 	rc = mp->fs->open(zfp, file_name, flags);  in fs_open()
181 		zfp->mp = NULL;  in fs_open()
186 	zfp->flags = flags;  in fs_open()
190 		rc = mp->fs->truncate(zfp, 0);  in fs_open()
193 			zfp->mp = NULL;  in fs_open()
201 int fs_close(struct fs_file_t *zfp)  in fs_close()  argument
205 	if (zfp->mp == NULL) {  in fs_close()
209 	CHECKIF(zfp->mp->fs->close == NULL) {  in fs_close()
213 	rc = zfp->mp->fs->close(zfp);  in fs_close()
219 	zfp->mp = NULL;  in fs_close()
224 ssize_t fs_read(struct fs_file_t *zfp, void *ptr, size_t size)  in fs_read()  argument
228 	if (zfp->mp == NULL) {  in fs_read()
232 	CHECKIF(zfp->mp->fs->read == NULL) {  in fs_read()
236 	rc = zfp->mp->fs->read(zfp, ptr, size);  in fs_read()
244 ssize_t fs_write(struct fs_file_t *zfp, const void *ptr, size_t size)  in fs_write()  argument
248 	if (zfp->mp == NULL) {  in fs_write()
252 	CHECKIF(zfp->mp->fs->write == NULL) {  in fs_write()
256 	rc = zfp->mp->fs->write(zfp, ptr, size);  in fs_write()
264 int fs_seek(struct fs_file_t *zfp, off_t offset, int whence)  in fs_seek()  argument
268 	if (zfp->mp == NULL) {  in fs_seek()
272 	CHECKIF(zfp->mp->fs->lseek == NULL) {  in fs_seek()
276 	rc = zfp->mp->fs->lseek(zfp, offset, whence);  in fs_seek()
284 off_t fs_tell(struct fs_file_t *zfp)  in fs_tell()  argument
288 	if (zfp->mp == NULL) {  in fs_tell()
292 	CHECKIF(zfp->mp->fs->tell == NULL) {  in fs_tell()
296 	rc = zfp->mp->fs->tell(zfp);  in fs_tell()
304 int fs_truncate(struct fs_file_t *zfp, off_t length)  in fs_truncate()  argument
308 	if (zfp->mp == NULL) {  in fs_truncate()
312 	CHECKIF(zfp->mp->fs->truncate == NULL) {  in fs_truncate()
316 	rc = zfp->mp->fs->truncate(zfp, length);  in fs_truncate()
324 int fs_sync(struct fs_file_t *zfp)  in fs_sync()  argument
328 	if (zfp->mp == NULL) {  in fs_sync()
332 	CHECKIF(zfp->mp->fs->sync == NULL) {  in fs_sync()
336 	rc = zfp->mp->fs->sync(zfp);  in fs_sync()