linux-kernel - Re: [PATCH] Fix regression in O_DIRECT|O

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]

Date:	Tue, 20 Apr 2010 12:26:15 +1000
From:	Anton Blanchard <anton@...ba.org>
To:	Christoph Hellwig <hch@....de>
Cc:	Jan Kara <jack@...e.cz>, Alexander Viro <viro@...iv.linux.org.uk>,
	Jens Axboe <jens.axboe@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Fix regression in O_DIRECT|O_SYNC writes to block
 devices

 
Hi,

> Actually you can just drop this call entirely.  sync_blockdev is an
> overcomplicated alias for filemap_write_and_wait on the  block device
> inode, which is exactl what we did just before calling into ->fsync
> 
> It might be worth to still drop i_mutex for the cache flush, though.

Thanks for the feedback Jan + Christoph. New patch on the way.

Anton
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/