From: Jeff Moyer <jmoyer@redhat.com>
To: Niels de Vos <ndevos@redhat.com>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
"Bryn M. Reeves" <bmr@redhat.com>,
Mikulas Patocka <mpatocka@redhat.com>
Subject: Re: [PATCH v2] fs: Invalidate the cache for a parent block-device if fsync() is called for a partition
Date: Mon, 23 Jan 2012 11:27:02 -0500 [thread overview]
Message-ID: <x49ehuqbd0p.fsf@segfault.boston.devel.redhat.com> (raw)
In-Reply-To: <1327315109-7740-1-git-send-email-ndevos@redhat.com> (Niels de Vos's message of "Mon, 23 Jan 2012 10:38:29 +0000")
Niels de Vos <ndevos@redhat.com> writes:
> Executing an fsync() on a file-descriptor of a partition flushes the
> caches for that partition by calling blkdev_issue_flush(). However, it
> seems that reading data through the parent device will still return the
> old cached data.
What problem, exactly, are you trying to fix? Could you please post a
reproducer?
Cheers,
Jeff
next prev parent reply other threads:[~2012-01-23 16:27 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-20 1:58 [PATCH] block: Invalidate the cache for a parent block-device Mikulas Patocka
2012-01-20 9:35 ` Niels de Vos
2012-01-23 10:38 ` [PATCH v2] fs: Invalidate the cache for a parent block-device if fsync() is called for a partition Niels de Vos
2012-01-23 16:27 ` Jeff Moyer [this message]
2012-01-23 16:46 ` Niels de Vos
2012-01-23 19:23 ` Mikulas Patocka
2012-01-23 20:04 ` Jeff Moyer
2012-01-26 10:03 ` Andrew Morton
2012-01-26 11:50 ` Niels de Vos
2012-01-26 13:33 ` [PATCH v3] " Niels de Vos
2012-01-26 21:40 ` Andrew Morton
2012-01-26 21:45 ` Christoph Hellwig
2012-01-26 21:50 ` Mikulas Patocka
2012-01-27 12:19 ` Ric Wheeler
2012-01-31 16:00 ` Niels de Vos
2012-01-31 18:58 ` Andrew Morton
2012-01-31 19:04 ` Christoph Hellwig
2012-01-31 19:32 ` Andrew Morton
2012-01-31 19:37 ` Christoph Hellwig
2012-01-31 19:48 ` Andrew Morton
2012-01-26 21:49 ` Jeff Moyer
2012-01-26 22:13 ` Mikulas Patocka
2012-01-26 22:26 ` Kernel Oops report (Android gingerbread) Fan Zhang
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