From: Cyril Hrubis <chrubis@suse.cz>
To: ltp@lists.linux.it
Subject: [LTP] [PATCH COMMITTED] tst_device: do sync() before reading test block device stat file
Date: Thu, 2 Jan 2020 13:57:59 +0100 [thread overview]
Message-ID: <20200102125759.GE32710@rei.lan> (raw)
In-Reply-To: <20200102015236.7400-1-liwang@redhat.com>
Hi!
> To avoid FS deferred IO metadata/cache interferes test result, so we
> do sync simply before the tst_dev_bytes_written invocation.
Can we do fsync() on the fd instead of full sync()? That should be
slightly faster.
--
Cyril Hrubis
chrubis@suse.cz
next prev parent reply other threads:[~2020-01-02 12:57 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-02 1:52 [LTP] [PATCH COMMITTED] tst_device: do sync() before reading test block device stat file Li Wang
2020-01-02 2:09 ` Yang Xu
2020-01-02 6:31 ` Li Wang
2020-01-02 6:46 ` Yang Xu
2020-01-03 7:25 ` Li Wang
2020-01-03 7:41 ` Yang Xu
2020-01-03 10:03 ` Yang Xu
2020-01-02 12:57 ` Cyril Hrubis [this message]
2020-01-03 7:24 ` Li Wang
2020-01-06 10:05 ` Cyril Hrubis
2020-01-06 10:35 ` Cyril Hrubis
2020-01-07 6:16 ` Li Wang
2020-01-07 6:13 ` Li Wang
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