From: Jan Kara <jack@suse.cz>
To: Raymond Jennings <shentino@gmail.com>
Cc: linux-ext4@vger.kernel.org
Subject: Re: Question about dirty data for unlinked files
Date: Wed, 29 Mar 2017 13:23:46 +0200 [thread overview]
Message-ID: <20170329112346.GB18467@quack2.suse.cz> (raw)
In-Reply-To: <CAGDaZ_qFMGuNMGzvOyStmtC9ZcCH3knHrhaOiP8HvmaphcWvVw@mail.gmail.com>
On Thu 23-03-17 13:07:23, Raymond Jennings wrote:
> If you delete a file (and don't have it open), and there's a bunch of
> dirty data for that file still in page cache, does all that dirty data
> disappear or does it still get written back?
The dirty data just gets discarded when the inode is deleted. In fact if
the file fits in memory (and in dirty_limit), none of the data need to make
it to disk.
Honza
--
Jan Kara <jack@suse.com>
SUSE Labs, CR
prev parent reply other threads:[~2017-03-29 11:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-23 20:07 Question about dirty data for unlinked files Raymond Jennings
2017-03-29 11:23 ` Jan Kara [this message]
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