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Groups > linux.kernel > #1382892
| From | Al Viro <viro@ZenIV.linux.org.uk> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 3/6] cifs: quit playing games with draining iovecs |
| Date | 2016-04-20 00:50 +0200 |
| Message-ID | <rpMD1-65k-33@gated-at.bofh.it> (permalink) |
| References | <rm7Zo-2jd-3@gated-at.bofh.it> <rm894-2mv-3@gated-at.bofh.it> <rpI6m-2bD-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, Apr 19, 2016 at 01:53:17PM -0400, Jeff Layton wrote: > What's the advantage of using iov_iter_bvec over iov_iter_kvec ? No need to screw with kmap() in the caller; moreover, when it comes to actual copying it gets away with kmap_atomic() just around the memcpy(), which is considerably cheaper.
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Re: [PATCH 3/6] cifs: quit playing games with draining iovecs Jeff Layton <jlayton@poochiereds.net> - 2016-04-19 20:00 +0200 Re: [PATCH 3/6] cifs: quit playing games with draining iovecs Al Viro <viro@ZenIV.linux.org.uk> - 2016-04-20 00:50 +0200
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