From: Cyril Hrubis <chrubis@suse.cz>
To: ltp@lists.linux.it
Subject: [LTP] [PATCH] tst_device: add new tst_dev_sync
Date: Tue, 7 Jan 2020 11:11:19 +0100 [thread overview]
Message-ID: <20200107101119.GA22967@rei.lan> (raw)
In-Reply-To: <20200107071324.29492-1-liwang@redhat.com>
Hi!
> This function reads test block device stat file (/sys/block/<device>/stat) and
> -returns the bytes written since the last invocation of this function.
> +returns the bytes written since the last invocation of this function. To avoid
> +FS deferred IO metadata/cache interferes the result, we suggest doing "syncfs"
| interfecence |
> +before the tst_dev_bytes_written first invocation. And an inline function named
> +tst_dev_sync is created for that intention.
Other than this it looks good to me, thanks for doing this, acked.
--
Cyril Hrubis
chrubis@suse.cz
next prev parent reply other threads:[~2020-01-07 10:11 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-07 7:13 [LTP] [PATCH] tst_device: add new tst_dev_sync Li Wang
2020-01-07 10:11 ` Cyril Hrubis [this message]
2020-01-08 10:46 ` Li Wang
2020-01-08 11:25 ` Petr Vorel
2020-01-08 11:30 ` Petr Vorel
2020-01-08 11:35 ` Cyril Hrubis
2020-01-08 11:39 ` Li Wang
2020-01-08 11:41 ` Cyril Hrubis
2020-01-08 11:45 ` Petr Vorel
2020-01-09 6:59 ` Li Wang
2020-01-09 8:06 ` Petr Vorel
2020-01-09 9:49 ` Cyril Hrubis
2020-01-09 10:10 ` Petr Vorel
2020-01-09 7:37 ` Yang Xu
2020-01-09 8:46 ` Petr Vorel
2020-01-09 9:56 ` Yang Xu
2020-01-09 10:05 ` Petr Vorel
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