From: Mateusz Guzik <mjguzik@gmail.com>
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 v2 5/5] fs: Add inode_assert_locked() and inode_assert_locked_excl()
Date: Sun, 8 Oct 2023 22:26:40 +0200 [thread overview]
Message-ID: <CAGudoHEg7oWG8CuyivWRsWLZZtw51oY0=PjLPRzFZDDZf=kzGg@mail.gmail.com> (raw)
In-Reply-To: <20231007203543.1377452-6-willy@infradead.org>
On 10/7/23, Matthew Wilcox (Oracle) <willy@infradead.org> wrote:
> +static inline void inode_assert_locked_excl(const struct inode *inode)
> +{
> + rwsem_assert_held_write(&inode->i_rwsem);
> +}
> +
> static inline void inode_lock_nested(struct inode *inode, unsigned
> subclass)
> {
> down_write_nested(&inode->i_rwsem, subclass);
Why "excl" instead of "write"? Apart from looking weird, it is
inconsistent with "prior art" in the file: i_mmap_assert_write_locked.
--
Mateusz Guzik <mjguzik gmail.com>
next prev parent reply other threads:[~2023-10-08 20:26 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-07 20:35 [PATCH v2 0/5] Remove the XFS mrlock Matthew Wilcox (Oracle)
2023-10-07 20:35 ` [PATCH v2 1/5] locking: Add rwsem_assert_held() and rwsem_assert_held_write() Matthew Wilcox (Oracle)
2023-10-08 21:54 ` Dave Chinner
2023-10-07 20:35 ` [PATCH v2 2/5] mm: Use rwsem assertion macros for mmap_lock Matthew Wilcox (Oracle)
2023-10-07 20:35 ` [PATCH v2 3/5] xfs: Replace xfs_isilocked with xfs_assert_locked Matthew Wilcox (Oracle)
2023-10-08 21:59 ` Dave Chinner
2023-10-09 18:27 ` Darrick J. Wong
2023-10-07 20:35 ` [PATCH v2 4/5] xfs: Remove mrlock wrapper Matthew Wilcox (Oracle)
2023-10-08 22:17 ` Dave Chinner
2023-10-07 20:35 ` [PATCH v2 5/5] fs: Add inode_assert_locked() and inode_assert_locked_excl() Matthew Wilcox (Oracle)
2023-10-08 20:26 ` Mateusz Guzik [this message]
2023-10-08 21:05 ` Matthew Wilcox
2023-10-08 21:21 ` Mateusz Guzik
2023-10-08 20:31 ` [PATCH v2 0/5] Remove the XFS mrlock Mateusz Guzik
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