From: Zenghui Yu <yuzenghui@huawei.com>
To: Christian Brauner <brauner@kernel.org>
Cc: <linux-fsdevel@vger.kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
<linux-kernel@vger.kernel.org>,
Alexander Viro <viro@zeniv.linux.org.uk>, Jan Kara <jack@suse.cz>,
Jann Horn <jannh@google.com>
Subject: Re: [PATCH RFC v4 23/25] fs: start all kthreads in nullfs
Date: Fri, 18 Sep 2026 09:59:11 +0800 [thread overview]
Message-ID: <08c0cb4e-343c-b03a-020d-218d27c6c353@huawei.com> (raw)
In-Reply-To: <20260917-atemtechnik-bleichen-befassen-9a57db01baf0@brauner>
On 2026/9/17 20:07, Christian Brauner wrote:
> > The following lockdep splat can be triggered on mainline, which is built
> > with arm64's defconfig plus
> >
> > CONFIG_SHRINKER_DEBUG
> > CONFIG_PROVE_LOCKING
> > CONFIG_FTRACE
> >
> > . Reverting this patch (as pointed out by AI) makes this warn disappear.
>
> This is benign and caused by holding LOCK_MOUNT_EXACT() for longer than
> necessary. I'm adding the appended fix to vfs.fixes.
Tested-by: Zenghui Yu <yuzenghui@huawei.com>
Thanks!
Zenghui
next prev parent reply other threads:[~2026-09-18 1:59 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-01 13:56 [PATCH RFC v4 00/25] fs,kthread: " Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 01/25] fs: add switch_fs_struct() Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 02/25] fs: notice when init abandons fs sharing Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 03/25] fs: add scoped_with_init_fs() Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 04/25] fs: add real_fs to track task's actual fs_struct Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 05/25] fs: make userspace_init_fs a dynamically-initialized pointer Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 06/25] rnbd: use scoped_with_init_fs() for block device open Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 07/25] crypto: ccp: use scoped_with_init_fs() for SEV file access Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 08/25] scsi: target: use scoped_with_init_fs() for ALUA metadata Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 09/25] scsi: target: use scoped_with_init_fs() for APTPL metadata Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 10/25] btrfs: use scoped_with_init_fs() for update_dev_time() Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 11/25] coredump: use scoped_with_init_fs() for coredump path resolution Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 12/25] fs: use scoped_with_init_fs() for kernel_read_file_from_path_initns() Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 13/25] ksmbd: use scoped_with_init_fs() for share path resolution Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 14/25] ksmbd: use scoped_with_init_fs() for filesystem info path lookup Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 15/25] ksmbd: use scoped_with_init_fs() for VFS path operations Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 16/25] pnfs/blocklayout: use scoped_with_init_fs() for SCSI device lookup Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 17/25] initramfs: use scoped_with_init_fs() for rootfs unpacking Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 18/25] af_unix: use scoped_with_init_fs() for coredump socket lookup Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 19/25] fs: stop sharing fs_struct between init_task and pid 1 Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 20/25] fs: add umh argument to struct kernel_clone_args Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 21/25] devtmpfs: create private mount namespace Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 22/25] nullfs: make nullfs multi-instance Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 23/25] fs: start all kthreads in nullfs Christian Brauner
2026-09-15 12:39 ` Zenghui Yu
2026-09-17 12:07 ` Christian Brauner
2026-09-18 1:59 ` Zenghui Yu [this message]
2026-06-01 13:56 ` [PATCH RFC v4 24/25] fs: stop rewriting kthread fs structs Christian Brauner
2026-06-01 13:56 ` [PATCH RFC v4 25/25] fs: stop rewriting paths for PF_EXITING | PF_DUMPCORE Christian Brauner
2026-07-05 12:34 ` [PATCH RFC v4 00/25] fs,kthread: start all kthreads in nullfs Askar Safin
2026-07-05 12:57 ` Askar Safin
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