linux-kernel - Re: [PATCH v5 0/3] Remove the XFS mrlock

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Message-ID: <Zc05FiqYKgtNHUL7@casper.infradead.org>
Date: Wed, 14 Feb 2024 22:05:10 +0000
From: Matthew Wilcox <willy@...radead.org>
To: Chandan Babu R <chandan.babu@...cle.com>
Cc: linux-kernel@...r.kernel.org, linux-xfs@...r.kernel.org,
	"Darrick J . Wong" <djwong@...nel.org>,
	Mateusz Guzik <mjguzik@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>, Will Deacon <will@...nel.org>,
	Waiman Long <longman@...hat.com>
Subject: Re: [PATCH v5 0/3] Remove the XFS mrlock

On Thu, Jan 11, 2024 at 09:24:21PM +0000, Matthew Wilcox (Oracle) wrote:
> XFS has an mrlock wrapper around the rwsem which adds only the
> functionality of knowing whether the rwsem is currently held in read
> or write mode.  Both regular rwsems and rt-rwsems know this, they just
> don't expose it as an API.  By adding that, we can remove the XFS mrlock
> as well as improving the debug assertions for the mmap_lock when lockdep
> is disabled.
> 
> I have an ack on the first patch from Peter, so I would like to see this
> merged through the XFS tree since most of what it touches is XFS.

What needs to happen to get these picked up to not miss the next merge
window?