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Show First 20 Lines • Show All 429 Lines • ▼ Show 20 Lines	vdev_read(vdev_t vdev, void priv, off_t offset, void *buf, size_t bytes)

/* Partial data return from first sector */		/* Partial data return from first sector */
if (head > 0) {		if (head > 0) {
res = read(fd, bouncebuf, secsz);		res = read(fd, bouncebuf, secsz);
if (res != secsz) {		if (res != secsz) {
ret = EIO;		ret = EIO;
goto error;		goto error;
}		}
memcpy(outbuf, bouncebuf + head, secsz - head);		memcpy(outbuf, bouncebuf + head, min(secsz - head, bytes));
outbuf += secsz - head;		outbuf += min(secsz - head, bytes);
}		}

/* Full data return from read sectors */		/* Full data return from read sectors */
if (full_sec_size > 0) {		if (full_sec_size > 0) {
res = read(fd, outbuf, full_sec_size);		res = read(fd, outbuf, full_sec_size);
if (res != full_sec_size) {		if (res != full_sec_size) {
ret = EIO;		ret = EIO;
goto error;		goto error;
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