xfs
[Top] [All Lists]

Re: [patch] Prevent AIL lock contention during transaction completion

To: David Chinner <dgc@xxxxxxx>
Subject: Re: [patch] Prevent AIL lock contention during transaction completion
From: Timothy Shimmin <tes@xxxxxxx>
Date: Fri, 15 Feb 2008 10:52:52 +1100
Cc: xfs-dev <xfs-dev@xxxxxxx>, xfs-oss <xfs@xxxxxxxxxxx>
In-reply-to: <20080214234559.GO155259@sgi.com>
References: <20080121052330.GG155259@sgi.com> <4796E8C8.3030702@sgi.com> <20080123073446.GU155259@sgi.com> <479986F5.7070800@sgi.com> <20080125074235.GI155407@sgi.com> <20080214234559.GO155259@sgi.com>
Sender: xfs-bounce@xxxxxxxxxxx
User-agent: Thunderbird 2.0.0.9 (Macintosh/20071031)
David Chinner wrote:
On Fri, Jan 25, 2008 at 06:42:35PM +1100, David Chinner wrote:
On Fri, Jan 25, 2008 at 05:51:33PM +1100, Timothy Shimmin wrote:
So do we really need to call xlog_assign_tail_lsn() then?
Or are we just being conservative in case we missed something?
Conservative - the last thing I want is to introduce a subtle
difference to the tail lsn in the log record because we didn't
update it immediately before writing it to disk. I think we are
probably safe removing it, but lets leave that until we got some
wider test coverage on this change first....

Tim - did you finish the review of this? Testing on the 2048p machine appears to have been successful, so I'm just waiting on review ACKs now....

Cheers,

Dave.

Yep, that was an ACK.

--Tim


<Prev in Thread] Current Thread [Next in Thread>