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I messed up the header size, which is why writes failed

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This commit is contained in:
Stephen Marz 2020-03-13 20:01:02 -04:00
parent a6c0ff96fe
commit 50df049fbb
1 changed files with 1 additions and 1 deletions
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2
risc_v/ch9/src/block.rs
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@ -233,7 +233,7 @@ pub fn block_op(dev: usize, buffer: *mut u8, size: u32, offset: u64, write: bool
let blk_request_size = size_of::<Request>();
let blk_request = kmalloc(blk_request_size) as *mut Request;
let desc = Descriptor { addr: &(*blk_request).header as *const Header as u64,
len: blk_request_size as u32,
len: size_of::<Header>() as u32,
flags: virtio::VIRTIO_DESC_F_NEXT,
next: 0, };
let head_idx = fill_next_descriptor(bdev, desc);