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Groups > linux.kernel > #1732902
| From | Al Viro <viro@ZenIV.linux.org.uk> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [experimental PATCH] ovl: get rid of d_real() |
| Date | 2017-09-15 16:10 +0200 |
| Message-ID | <upZtE-3TS-25@gated-at.bofh.it> (permalink) |
| References | <upZjY-3B1-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, Sep 15, 2017 at 03:58:05PM +0200, Miklos Szeredi wrote: > And here's the prototype. Poof, d_real() is gone. > > It definitely has got problems, but just maybe it can be made better than the > current mess. It *does* solve the ro-rw inconsistency for normal reads (not > mmaps). ... and makes for mind-boggling amount of opening/closing the files on underlying filesystem. Doing that on sodding ->read_iter() is simply wrong. And you are using the wrong credentials for those opens, anyway - it should be creds of opener, not reader.
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[experimental PATCH] ovl: get rid of d_real() Miklos Szeredi <miklos@szeredi.hu> - 2017-09-15 16:00 +0200
Re: [experimental PATCH] ovl: get rid of d_real() Al Viro <viro@ZenIV.linux.org.uk> - 2017-09-15 16:10 +0200
Re: [experimental PATCH] ovl: get rid of d_real() Miklos Szeredi <miklos@szeredi.hu> - 2017-09-15 19:20 +0200
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