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Groups > linux.kernel > #1628176
| From | Roger Pau Monne <roger.pau@citrix.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 08/11] xen-blkfront: remove bio splitting. |
| Date | 2017-04-21 13:50 +0200 |
| Message-ID | <tyFey-5iI-19@gated-at.bofh.it> (permalink) |
| References | <tyd8C-4Wq-7@gated-at.bofh.it> <tydLj-5pI-3@gated-at.bofh.it> <tyF4T-5fu-33@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, Apr 21, 2017 at 04:36:20AM -0700, Christoph Hellwig wrote: > Btw, I really don't understand why this code even looks at bios over > just requeueing the request. Can someone explain that bit to me? This was done because Linux could migrate from a host supporting indirect descriptors to a host not supporting them, and so the maximum number of segments per request could change, and the requests already on the queue might need to be split. Roger.
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[PATCH 08/11] xen-blkfront: remove bio splitting. NeilBrown <neilb@suse.com> - 2017-04-20 08:30 +0200
Re: [PATCH 08/11] xen-blkfront: remove bio splitting. Roger Pau Monné <roger.pau@citrix.com> - 2017-04-20 12:10 +0200
Re: [PATCH 08/11] xen-blkfront: remove bio splitting. Christoph Hellwig <hch@infradead.org> - 2017-04-21 13:40 +0200
Re: [PATCH 08/11] xen-blkfront: remove bio splitting. Roger Pau Monne <roger.pau@citrix.com> - 2017-04-21 13:50 +0200
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