[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] drivers: xen-blkfront: blkif_recover: recheck feature-persistent
On 06/01/2015 03:50 PM, Roger Pau Monné wrote: > El 26/05/15 a les 2.11, Bob Liu ha escrit: >> When migrate from !feature-persistent host to feature-persistent host, domU >> still think new host/backend don't support persistent. >> Dmesg like: >> backed has not unmapped grant: 839 >> backed has not unmapped grant: 773 >> backed has not unmapped grant: 773 >> backed has not unmapped grant: 773 >> backed has not unmapped grant: 839 >> >> We should recheck whether the new backend support feature-persistent during >> blkif_recover(). > > Right, we recheck for indirect-descriptors but not persistent grants. > > Do you think it makes sense to split the part of blkfront_connect that > checks for optional features, like persistent grants, indirect > descriptors and flush/barrier features to a separate function and call > it from both blkfront_connect and blkif_recover? > Yep, that would be better. Thanks, -Bob _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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