From: Christoph Hellwig <hch@infradead.org>
To: Theodore Ts'o <tytso@mit.edu>
Cc: Andreas Dilger <adilger@dilger.ca>,
"Darrick J. Wong" <darrick.wong@oracle.com>,
Lukas Czerner <lczerner@redhat.com>,
linux-fsdevel@vger.kernel.org, linux-xfs@vger.kernel.org
Subject: Re: [PATCH 4/7] xfs: Implement fallocate query support mode
Date: Tue, 19 Sep 2017 08:55:28 -0700 [thread overview]
Message-ID: <20170919155528.GA8907@infradead.org> (raw)
In-Reply-To: <20170919145520.c4y4w32lmsnqhhxp@thunk.org>
On Tue, Sep 19, 2017 at 10:55:20AM -0400, Theodore Ts'o wrote:
> Maybe the right answer is we should define a new pathconfat(2) system
> call which can be used as part of a C library's implementation of
> pathconf() and fpathconf()? glibc probably won't use it for years, of
> course. But we can at least provide the information via an interface
> which we can control, and which is capable of returning correct
> results?
glibc is very fast at picking up new kernel interface these days
as long as they aren't too controversial. Implementing a syscall
that backs a function they implement should not be in the controversial
category I think.
next prev parent reply other threads:[~2017-09-19 15:55 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-18 15:52 [PATCH 0/7][RFC] Introduce fallocate query support mode Lukas Czerner
2017-09-18 15:52 ` [PATCH 1/7] vfs: " Lukas Czerner
2017-09-18 15:52 ` [PATCH 2/7] ext4: Implement " Lukas Czerner
2017-09-18 15:52 ` [PATCH 3/7] ext4: Remove unnecessary S_ISREG checks in fallocate operations Lukas Czerner
2017-09-18 15:52 ` [PATCH 4/7] xfs: Implement fallocate query support mode Lukas Czerner
2017-09-18 17:56 ` Christoph Hellwig
2017-09-19 3:28 ` OGAWA Hirofumi
2017-09-19 8:15 ` Lukas Czerner
2017-09-19 14:13 ` Christoph Hellwig
2017-09-18 20:48 ` Darrick J. Wong
2017-09-18 21:55 ` Andreas Dilger
2017-09-19 14:55 ` Theodore Ts'o
2017-09-19 15:33 ` Lukas Czerner
2017-09-19 15:55 ` Christoph Hellwig [this message]
2017-09-19 19:17 ` Florian Weimer
2017-09-19 20:37 ` Christoph Hellwig
2017-09-19 23:17 ` Theodore Ts'o
2017-09-21 13:17 ` pathconf syscall for linux Lukas Czerner
2017-09-21 13:49 ` Florian Weimer
2017-09-22 8:38 ` Lukas Czerner
2017-09-21 13:54 ` [PATCH 4/7] xfs: Implement fallocate query support mode Florian Weimer
2017-09-22 8:40 ` Lukas Czerner
2017-09-19 8:20 ` Lukas Czerner
2017-09-18 15:52 ` [PATCH 5/7] fat: " Lukas Czerner
2017-09-18 15:52 ` [PATCH 6/7] gfs2: " Lukas Czerner
2017-09-18 15:52 ` [PATCH 7/7] loop: Check for puch hole and zero range support specifically Lukas Czerner
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