linux-ext4 - Re: [PATCH] readahead.2: don't claim the call blocks until all data has been read

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20140315092455.GA6018@infradead.org>
Date:	Sat, 15 Mar 2014 02:24:55 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	"Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
Cc:	Phillip Susi <psusi@...ntu.com>, linux-man@...r.kernel.org,
	linux-mm@...ck.org, linux-ext4@...r.kernel.org,
	Corrado Zoccolo <czoccolo@...il.com>,
	"Gregory P. Smith" <gps@...gle.com>,
	Zhu Yanhai <zhu.yanhai@...il.com>
Subject: Re: [PATCH] readahead.2: don't claim the call blocks until all data
 has been read

On Sat, Mar 15, 2014 at 10:05:14AM +0100, Michael Kerrisk (man-pages) wrote:
>        However, it may block while  it  reads
>        the  filesystem metadata needed to locate the requested blocks.
>        This occurs frequently with ext[234] on large files using indi???
>        rect  blocks instead of extents, giving the appearence that the
>        call blocks until the requested data has been read.
> 
> Okay?

The part above is something that should be in the BUGS section.

--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html