linux-kernel - Re: [GIT PULL] Btrfs

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] [day] [month] [year] [list]

Message-ID: <3289863.t1Fo0U0Yqz@merkaba>
Date:	Mon, 18 Jan 2016 11:25:57 +0100
From:	Martin Steigerwald <martin@...htvoll.de>
To:	Chris Mason <clm@...com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Btrfs mailing list <linux-btrfs@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] Btrfs

Chris,

Am Sonntag, 17. Januar 2016, 18:30:34 CET schrieb Chris Mason:
> For very large filesystems (30T+) our existing free space caching code
> can end up taking a huge amount of time during commits.  The new tree
> based code is faster and less work overall to update as the commit
> progresses.

Will be interesting to see whether this also helps with:

[Bug 90401] New: btrfs kworker thread uses up 100% of a Sandybridge core for 
minutes on random write into big file

https://bugzilla.kernel.org/show_bug.cgi?id=90401

Thanks,
-- 
Martin