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From: Karel Zak <kzak@redhat.com>
To: Patrick Steinhardt <ps@pks.im>
Cc: util-linux@vger.kernel.org, Florian Weimer <fweimer@redhat.com>
Subject: Re: [PATCH v2] include/closestream: fix assignment to read-only standard streams
Date: Mon, 2 Sep 2019 12:01:50 +0200
Message-ID: <20190902100150.mt2wwyxpmdpkn3w6@> (raw)
In-Reply-To: <3e5f8ff67edc6ae34ff67124c956a71dcf49ea98.1566466780.git.ps@pks.im>

On Thu, Aug 22, 2019 at 11:40:15AM +0200, Patrick Steinhardt wrote:
> Properly flushing standard streams without fclose(3P) proves to be more
> intricate than one may expect, though, as some filesystems like NFS may
> defer flushing until they see a close(3P) of the underlying descriptor.
> One may call fsync(3P) to remedy that, but this may incur a heavy
> performance penalty in some scenarios. To work around the issue and
> still get proper errors, we duplicate the stream's file descriptor and
> close that one instead, which is sufficient to cause a flush.

Applied, thanks. We'll see... :-)


 Karel Zak  <kzak@redhat.com>

      parent reply index

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-14 16:45 [PATCH 0/4] Fix closing of standard text streams for non-glibc system Patrick Steinhardt
2019-08-14 16:45 ` [PATCH 1/4] term-utils/ttymsg: fix missing header for ARRAY_SIZE macro Patrick Steinhardt
2019-08-14 16:45 ` [PATCH 2/4] login-utils/islocal: fix missing header for err macro Patrick Steinhardt
2019-08-14 16:45 ` [PATCH 3/4] lib/closestream: move implementation into its own compilation unit Patrick Steinhardt
2019-08-14 16:45 ` [PATCH 4/4] lib/closestream: fix assignment to read-only standard streams Patrick Steinhardt
2019-08-19 13:36 ` [PATCH 0/4] Fix closing of standard text streams for non-glibc system Karel Zak
2019-08-20 13:17   ` Patrick Steinhardt
2019-08-20 15:04     ` Karel Zak
2019-08-20 15:11       ` Florian Weimer
2019-08-23 11:52       ` Karel Zak
2019-08-22  9:40 ` [PATCH v2] include/closestream: fix assignment to read-only standard streams Patrick Steinhardt
2019-08-23 12:00   ` Karel Zak
2019-09-02 10:01   ` Karel Zak [this message]

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