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Groups > linux.kernel > #1613379
| From | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: RFC: reject unknown open flags |
| Date | 2017-03-30 21:10 +0200 |
| Message-ID | <tqNCh-2tO-13@gated-at.bofh.it> (permalink) |
| References | <tqLh7-GX-9@gated-at.bofh.it> <tqLK9-16I-3@gated-at.bofh.it> <tqM3w-1dT-27@gated-at.bofh.it> <tqMZz-1Yh-1@gated-at.bofh.it> |
| Organization | UCLA Computer Science Department |
On 03/30/2017 11:19 AM, Linus Torvalds wrote: > like "dd" growing an atomic flag and setting it on stdout), 'dd' typically assumes that if a flag O_FOO is not #defined by <fcntl.h>, then 'dd' can "#define O_FOO 0" and the rest of dd's code can assume O_FOO works "well enough" on older systems. I hope this backward-compatibility hack will suffice for O_ATOMIC too. > I'm assuming you'd also possible want to be able to use F_SETFL to set > O_ATOMIC after the fact Just for fun, one thread can set O_ATOMIC at the same time another thread is doing a 'write'....
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RFC: reject unknown open flags Christoph Hellwig <hch@lst.de> - 2017-03-30 18:40 +0200
[PATCH 1/2] fs: add a VALID_OPEN_FLAGS Christoph Hellwig <hch@lst.de> - 2017-03-30 18:40 +0200
[PATCH 2/2] fs: reject unknown open flags Christoph Hellwig <hch@lst.de> - 2017-03-30 18:40 +0200
Re: [PATCH 2/2] fs: reject unknown open flags Linus Torvalds <torvalds@linux-foundation.org> - 2017-03-30 19:10 +0200
Re: RFC: reject unknown open flags Linus Torvalds <torvalds@linux-foundation.org> - 2017-03-30 19:10 +0200
Re: RFC: reject unknown open flags Christoph Hellwig <hch@lst.de> - 2017-03-30 19:30 +0200
Re: RFC: reject unknown open flags Linus Torvalds <torvalds@linux-foundation.org> - 2017-03-30 20:30 +0200
Re: RFC: reject unknown open flags Christoph Hellwig <hch@lst.de> - 2017-03-30 20:30 +0200
Re: RFC: reject unknown open flags Linus Torvalds <torvalds@linux-foundation.org> - 2017-03-30 20:50 +0200
Re: RFC: reject unknown open flags Boaz Harrosh <boaz@plexistor.com> - 2017-03-30 22:10 +0200
Re: RFC: reject unknown open flags Paul Eggert <eggert@cs.ucla.edu> - 2017-03-30 21:10 +0200
Re: RFC: reject unknown open flags Linus Torvalds <torvalds@linux-foundation.org> - 2017-03-30 21:20 +0200
Re: RFC: reject unknown open flags Florian Weimer <fw@deneb.enyo.de> - 2017-03-30 21:40 +0200
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