El 23/01/15 a les 13.02, David Vrabel ha escrit: > On 19/01/15 15:51, David Vrabel wrote: >> From: Jenny Herbert <jennifer.herb...@citrix.com> >> >> Use gnttab_unmap_refs_async() to wait until the mapped pages are no >> longer in use before unmapping them. >> >> This allows blkback to use network storage which may retain refs to >> pages in queued skbs after the block I/O has completed. > > Roger, I'd appreciate a review of this blkback change.
Done. BTW, have you tested the patch setting: # echo 128 > /sys/module/xen_blkback/parameters/max_persistent_grants Without this some of the newly introduced code-paths would remain untested (replace 128 with whatever you want, or even 0). Roger. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
