From: Christoph Hellwig <hch@infradead.org>
To: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>, Will Deacon <will@kernel.org>,
Waiman Long <longman@redhat.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Chandan Babu R <chandan.babu@oracle.com>,
"Darrick J . Wong" <djwong@kernel.org>,
linux-xfs@vger.kernel.org
Subject: Re: [PATCH 3/5] xfs: Use rwsem_is_write_locked()
Date: Fri, 8 Sep 2023 02:09:51 -0700 [thread overview]
Message-ID: <ZPrk3yIrhA8usrgX@infradead.org> (raw)
In-Reply-To: <20230907174705.2976191-4-willy@infradead.org>
On Thu, Sep 07, 2023 at 06:47:03PM +0100, Matthew Wilcox (Oracle) wrote:
> This avoids using the mr_writer field to check the XFS ILOCK is held
> for write. It also improves the checking we do when lockdep is disabled.
Hmm, is there any reason to keep the lockdep-based version of
__xfs_rwsem_islocked around now at all?
next prev parent reply other threads:[~2023-09-08 9:10 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-07 17:47 [PATCH 0/5] Remove the XFS mrlock Matthew Wilcox (Oracle)
2023-09-07 17:47 ` [PATCH 1/5] locking: Add rwsem_is_write_locked() Matthew Wilcox (Oracle)
2023-09-07 18:05 ` Waiman Long
2023-09-07 19:33 ` Matthew Wilcox
2023-09-07 21:06 ` Waiman Long
2023-09-07 23:47 ` Waiman Long
2023-09-08 0:44 ` Dave Chinner
2023-09-07 19:08 ` Peter Zijlstra
2023-09-07 19:20 ` Matthew Wilcox
2023-09-07 19:38 ` Peter Zijlstra
2023-09-07 23:00 ` Dave Chinner
2023-09-08 10:44 ` Peter Zijlstra
2023-09-10 22:56 ` Dave Chinner
2023-09-10 23:17 ` Matthew Wilcox
2023-09-11 0:55 ` Dave Chinner
2023-09-11 2:15 ` Waiman Long
2023-09-11 22:29 ` Dave Chinner
2023-09-12 9:03 ` Peter Zijlstra
2023-09-12 12:28 ` Matthew Wilcox
2023-09-12 13:52 ` Peter Zijlstra
2023-09-12 13:58 ` Matthew Wilcox
2023-09-12 14:23 ` Peter Zijlstra
2023-09-12 15:27 ` Darrick J. Wong
2023-09-13 8:59 ` Peter Zijlstra
2023-09-12 14:02 ` Peter Zijlstra
2023-09-12 23:16 ` Dave Chinner
2023-09-08 0:01 ` Matthew Wilcox
2023-09-07 17:47 ` [PATCH 2/5] mm: Use rwsem_is_write_locked in mmap_assert_write_locked Matthew Wilcox (Oracle)
2023-09-07 17:47 ` [PATCH 3/5] xfs: Use rwsem_is_write_locked() Matthew Wilcox (Oracle)
2023-09-08 9:09 ` Christoph Hellwig [this message]
2023-09-08 9:10 ` Christoph Hellwig
2023-09-07 17:47 ` [PATCH 4/5] xfs: Remove mrlock wrapper Matthew Wilcox (Oracle)
2023-09-07 17:47 ` [PATCH 5/5] xfs: Stop using lockdep to assert that locks are held Matthew Wilcox (Oracle)
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