Here's a small patch that adds aio_read and aio_write methods to the
block device driver.
Thanks,
-Janet
--- linux-2.5.68/fs/block_dev.c Sat Apr 19 19:51:22 2003
+++ aio/fs/block_dev.c Wed Apr 23 13:21:26 2003
@@ -703,6 +703,15 @@ static ssize_t blkdev_file_write(struct
return generic_file_write_nolock(file, &local_iov, 1, ppos);
}
+static ssize_t blkdev_file_aio_write(struct kiocb *iocb, const char *buf,
+ size_t count, loff_t pos)
+{
+ struct iovec local_iov = { .iov_base = (void *)buf, .iov_len = count };
+
+ return generic_file_aio_write_nolock(iocb, &local_iov, 1, &iocb->ki_pos);
+}
+
+
struct address_space_operations def_blk_aops = {
.readpage = blkdev_readpage,
.writepage = blkdev_writepage,
@@ -719,6 +728,8 @@ struct file_operations def_blk_fops = {
.llseek = block_llseek,
.read = generic_file_read,
.write = blkdev_file_write,
+ .aio_read = generic_file_aio_read,
+ .aio_write = blkdev_file_aio_write,
.mmap = generic_file_mmap,
.fsync = block_fsync,
.ioctl = blkdev_ioctl,
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Wed Apr 23 2003 - 22:00:39 EST