linux-kernel - Latest vfs scalability patch

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Message-ID: <20091006064919.GB30316@wotan.suse.de>
Date:	Tue, 6 Oct 2009 08:49:19 +0200
From:	Nick Piggin <npiggin@...e.de>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-fsdevel@...r.kernel.org
Cc:	Ravikiran G Thirumalai <kiran@...lex86.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jens Axboe <axboe@...nel.dk>
Subject: Latest vfs scalability patch

Hi,

Several people have been interested to test my vfs patches, so rather
than resend patches I have uploaded a rollup against Linus's current
head.

ftp://ftp.kernel.org/pub/linux/kernel/people/npiggin/patches/fs-scale/

I have used ext2,ext3,autofs4,nfs as well as in-memory filesystems
OK (although this doesn't mean there are no bugs!). Otherwise, if your
filesystem compiles, then there is a reasonable chance of it working,
or ask me and I can try updating it for the new locking.

I would be interested in seeing any numbers people might come up with,
including single-threaded performance.

Thanks, Nick

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