Module Name: src Committed By: martin Date: Thu Jul 27 17:56:31 UTC 2023
Modified Files: src/sys/arch/xen/xen [netbsd-10]: xbd_xenbus.c Log Message: Pull up following revision(s) (requested by bouyer in ticket #248): sys/arch/xen/xen/xbd_xenbus.c: revision 1.132 (patch) sys/arch/xen/xen/xbd_xenbus.c: revision 1.133 (patch) sys/arch/xen/xen/xbd_xenbus.c: revision 1.134 (patch) The disk size reported in the xenstore is always in XEN_BSIZE units, not sector-size. Should fix the issue reported by Christian Kujau on netbsd-users and port-xen. Also use XEN_BSIZE when computing the number of bytes for format_bytes(). While there note in a comment that sc_sectors is in XEN_BSIZE units Propoerly handle 4k sector size backends: - report the backend's sector size to upper layers, not DEV_BSIZE. Adjust the number of sectors accordingly. - Use sc_secsize instead of XEN_BSIZE where appropriate. The sectors numbers in I/O requests are still in XEN_BSIZE units, but must be a multiple of sc_secsize/XEN_BSIZE. - As a consequence of previous, the buffer has to be aligned to sc_secsize, aligned to XEN_BSIZE may not be enough. This means that we may have to xbd_map_align() more buffer, including some without B_PHYS set. - Add some more DPRINTF lines, related to I/O requests Tested with a linux dom0. thanks to Christian Kujau for providing access to his hardware for testing and debugging. To generate a diff of this commit: cvs rdiff -u -r1.129 -r1.129.20.1 src/sys/arch/xen/xen/xbd_xenbus.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.