From: Jeff Moyer <jmoyer@redhat.com>
To: Lukas Czerner <lczerner@redhat.com>, Jan Kara <jack@suse.cz>
Cc: linux-fsdevel@vger.kernel.org, viro@zeniv.linux.org.uk
Subject: Re: [PATCH v2] fs: Fix page cache inconsistency when mixing buffered and AIO DIO
Date: Mon, 17 Jul 2017 11:39:09 -0400 [thread overview]
Message-ID: <x49o9sjrs2q.fsf@segfault.boston.devel.redhat.com> (raw)
In-Reply-To: <20170717152812.46yqfot6jkoqqgax@localhost.localdomain> (Lukas Czerner's message of "Mon, 17 Jul 2017 17:28:12 +0200")
Lukas Czerner <lczerner@redhat.com> writes:
> About the error case, is it not possible that some data has already been
> writtent to the disk despite the error ?
Yes, it's possible. However, that data is in an inconsistent state, so
it shouldn't be read, anyway.
Now, in the non-async path, we do the invalidation unconditionally, so I
could go either way on this. I don't think it's going to matter for
performance or data integrity.
Cheers,
Jeff
next prev parent reply other threads:[~2017-07-17 15:39 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-13 15:17 [PATCH] fs: Fix page cache inconsistency when mixing buffered and AIO DIO Lukas Czerner
2017-07-14 10:41 ` kbuild test robot
2017-07-14 13:40 ` Lukas Czerner
2017-07-14 15:40 ` [PATCH v2] " Lukas Czerner
2017-07-17 15:12 ` Jan Kara
2017-07-17 15:28 ` Lukas Czerner
2017-07-17 15:39 ` Jeff Moyer [this message]
2017-07-17 16:17 ` Jan Kara
2017-07-17 19:52 ` Jeff Moyer
2017-07-18 7:39 ` Lukas Czerner
2017-07-18 9:06 ` Jan Kara
2017-07-18 9:32 ` Lukas Czerner
2017-07-18 12:19 ` [PATCH v3] " Lukas Czerner
2017-07-18 13:44 ` Christoph Hellwig
2017-07-18 14:17 ` Jan Kara
2017-07-19 8:42 ` Lukas Czerner
2017-07-19 8:48 ` [PATCH v4] " Lukas Czerner
2017-07-19 9:26 ` Jan Kara
2017-07-19 11:01 ` Lukas Czerner
2017-07-19 11:28 ` [PATCH v5] " Lukas Czerner
2017-07-19 11:37 ` Jan Kara
2017-07-19 12:17 ` Jeff Moyer
2017-08-03 18:10 ` Jeff Moyer
2017-08-04 10:09 ` Dave Chinner
2017-08-07 15:52 ` Jeff Moyer
2017-08-08 8:41 ` Lukas Czerner
2017-08-10 12:59 ` [PATCH v6] " Lukas Czerner
2017-08-10 13:56 ` Jan Kara
2017-08-10 14:22 ` Jeff Moyer
2017-08-11 9:03 ` Lukas Czerner
2017-08-14 9:43 ` Jan Kara
2017-08-15 12:47 ` Lukas Czerner
2017-08-15 13:28 ` [PATCH v7] " Lukas Czerner
2017-08-16 13:15 ` Jan Kara
2017-08-16 16:01 ` Darrick J. Wong
2017-09-21 13:44 ` Jeff Moyer
2017-09-21 13:44 ` Lukas Czerner
2017-09-21 14:14 ` Jens Axboe
2017-10-10 14:34 ` David Sterba
2017-10-11 9:21 ` Lukas Czerner
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