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Date: Thu, 1 Aug 2019 20:12:11 +0200 (CEST) From: Thomas Gleixner <tglx@...utronix.de> To: Jan Kara <jack@...e.cz> cc: LKML <linux-kernel@...r.kernel.org>, Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...nel.org>, Sebastian Siewior <bigeasy@...utronix.de>, Anna-Maria Gleixner <anna-maria@...utronix.de>, Steven Rostedt <rostedt@...dmis.org>, Julia Cartwright <julia@...com>, Jan Kara <jack@...e.com>, Theodore Tso <tytso@....edu>, Mark Fasheh <mark@...heh.com>, Joseph Qi <joseph.qi@...ux.alibaba.com>, Joel Becker <jlbec@...lplan.org>, linux-ext4@...r.kernel.org, Matthew Wilcox <willy@...radead.org>, Alexander Viro <viro@...iv.linux.org.uk>, linux-fsdevel@...r.kernel.org Subject: Re: [patch V2 6/7] fs/jbd2: Make state lock a spinlock On Thu, 1 Aug 2019, Jan Kara wrote: > On Thu 01-08-19 03:01:32, Thomas Gleixner wrote: > > As almost all functions which use this lock have a journal head pointer > > readily available, it makes more sense to remove the lock helper inlines > > and write out spin_*lock() at all call sites. > > > > Just a heads up that I didn't miss this patch. Just it has some bugs and I > figured that rather than explaining to you subtleties of jh lifetime it is > easier to fix up the problems myself since you're probably not keen on > becoming jbd2 developer ;)... which was more complex than I thought so I'm > not completely done yet. Hopefuly tomorrow. I'm curious where I was too naive :) Thanks for having a look! tglx
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