[Xen-devel] potential problem with qdisk backend

[Juergen Gross <jgross@xxxxxxxx>]

Looking at the qdisk backend implementation I wondered whether
blkif_get_x86_32_req() is really correct, especially for the
BLKIF_OP_DISCARD case. The Linux kernel based blk backend seems to
distinguish 32- and 64-bit layouts of blkif_request_discard while
qemu treats them to be the same.

Am I completely wrong here?


Juergen

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