From: Linus Torvalds <torvalds@linux-foundation.org>
To: Al Viro <viro@zeniv.linux.org.uk>
Cc: Samuel Wu <wusamuel@google.com>,
Greg KH <gregkh@linuxfoundation.org>,
linux-fsdevel@vger.kernel.org, brauner@kernel.org, jack@suse.cz,
raven@themaw.net, miklos@szeredi.hu, neil@brown.name,
a.hindborg@kernel.org, linux-mm@kvack.org,
linux-efi@vger.kernel.org, ocfs2-devel@lists.linux.dev,
kees@kernel.org, rostedt@goodmis.org, linux-usb@vger.kernel.org,
paul@paul-moore.com, casey@schaufler-ca.com,
linuxppc-dev@lists.ozlabs.org, john.johansen@canonical.com,
selinux@vger.kernel.org, borntraeger@linux.ibm.com,
bpf@vger.kernel.org, clm@meta.com,
android-kernel-team <android-kernel-team@google.com>
Subject: Re: [PATCH v4 00/54] tree-in-dcache stuff
Date: Fri, 30 Jan 2026 17:11:39 -0800 [thread overview]
Message-ID: <CAHk-=wiXq-bPyKywNOw7z6ehrVReyS-hSPuQkJvuhJWfXGFm=A@mail.gmail.com> (raw)
In-Reply-To: <20260131010821.GY3183987@ZenIV>
On Fri, 30 Jan 2026 at 17:06, Al Viro <viro@zeniv.linux.org.uk> wrote:
>
> I'd rather go for a spinlock there, protecting these FFS_DEACTIVATED
> transitions;
Yes, that's the much better solution. The locking in this thing is horrendous.
But judging by Samuel's recent email, there's something else than the
open locking thing going on.
Linus
next prev parent reply other threads:[~2026-01-31 1:12 UTC|newest]
Thread overview: 81+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-18 5:15 Al Viro
2025-11-18 5:15 ` [PATCH v4 01/54] fuse_ctl_add_conn(): fix nlink breakage in case of early failure Al Viro
2025-11-18 5:15 ` [PATCH v4 02/54] tracefs: fix a leak in eventfs_create_events_dir() Al Viro
2025-11-18 5:15 ` [PATCH v4 03/54] new helper: simple_remove_by_name() Al Viro
2025-11-18 5:15 ` [PATCH v4 04/54] new helper: simple_done_creating() Al Viro
2025-11-18 5:15 ` [PATCH v4 05/54] introduce a flag for explicitly marking persistently pinned dentries Al Viro
2025-11-18 5:15 ` [PATCH v4 06/54] primitives for maintaining persisitency Al Viro
2025-11-18 5:15 ` [PATCH v4 07/54] convert simple_{link,unlink,rmdir,rename,fill_super}() to new primitives Al Viro
2025-11-18 5:15 ` [PATCH v4 08/54] convert ramfs and tmpfs Al Viro
2025-11-18 5:15 ` [PATCH v4 09/54] procfs: make /self and /thread_self dentries persistent Al Viro
2025-11-18 5:15 ` [PATCH v4 10/54] configfs, securityfs: kill_litter_super() not needed Al Viro
2025-11-18 5:15 ` [PATCH v4 11/54] convert xenfs Al Viro
2025-11-18 5:15 ` [PATCH v4 12/54] convert smackfs Al Viro
2025-11-18 5:15 ` [PATCH v4 13/54] convert hugetlbfs Al Viro
2025-11-18 5:15 ` [PATCH v4 14/54] convert mqueue Al Viro
2025-11-18 5:15 ` [PATCH v4 15/54] convert bpf Al Viro
2025-11-18 5:15 ` [PATCH v4 16/54] convert dlmfs Al Viro
2025-11-18 5:15 ` [PATCH v4 17/54] convert fuse_ctl Al Viro
2025-11-18 5:15 ` [PATCH v4 18/54] convert pstore Al Viro
2025-11-18 5:15 ` [PATCH v4 19/54] convert tracefs Al Viro
2025-11-18 5:15 ` [PATCH v4 20/54] convert debugfs Al Viro
2025-11-18 5:15 ` [PATCH v4 21/54] debugfs: remove duplicate checks in callers of start_creating() Al Viro
2025-11-18 5:15 ` [PATCH v4 22/54] convert efivarfs Al Viro
2025-11-18 5:15 ` [PATCH v4 23/54] convert spufs Al Viro
2025-11-18 5:15 ` [PATCH v4 24/54] convert ibmasmfs Al Viro
2025-11-18 5:15 ` [PATCH v4 25/54] ibmasmfs: get rid of ibmasmfs_dir_ops Al Viro
2025-11-18 5:15 ` [PATCH v4 26/54] convert devpts Al Viro
2025-11-18 5:15 ` [PATCH v4 27/54] binderfs: use simple_start_creating() Al Viro
2025-11-18 5:15 ` [PATCH v4 28/54] binderfs_binder_ctl_create(): kill a bogus check Al Viro
2025-11-18 5:15 ` [PATCH v4 29/54] convert binderfs Al Viro
2025-11-18 5:15 ` [PATCH v4 30/54] autofs_{rmdir,unlink}: dentry->d_fsdata->dentry == dentry there Al Viro
2025-11-18 5:15 ` [PATCH v4 31/54] convert autofs Al Viro
2025-11-18 5:15 ` [PATCH v4 32/54] convert binfmt_misc Al Viro
2025-11-18 5:15 ` [PATCH v4 33/54] selinuxfs: don't stash the dentry of /policy_capabilities Al Viro
2025-11-18 5:15 ` [PATCH v4 34/54] selinuxfs: new helper for attaching files to tree Al Viro
2025-11-18 5:15 ` [PATCH v4 35/54] convert selinuxfs Al Viro
2025-11-18 5:15 ` [PATCH v4 36/54] functionfs: don't abuse ffs_data_closed() on fs shutdown Al Viro
2025-11-18 5:15 ` [PATCH v4 37/54] functionfs: don't bother with ffs->ref in ffs_data_{opened,closed}() Al Viro
2025-11-18 5:15 ` [PATCH v4 38/54] functionfs: need to cancel ->reset_work in ->kill_sb() Al Viro
2025-11-18 5:15 ` [PATCH v4 39/54] functionfs: fix the open/removal races Al Viro
2025-11-18 5:15 ` [PATCH v4 40/54] functionfs: switch to simple_remove_by_name() Al Viro
2025-11-18 5:15 ` [PATCH v4 41/54] convert functionfs Al Viro
2025-11-18 5:15 ` [PATCH v4 42/54] gadgetfs: switch to simple_remove_by_name() Al Viro
2025-11-18 5:15 ` [PATCH v4 43/54] convert gadgetfs Al Viro
2025-11-18 5:15 ` [PATCH v4 44/54] hypfs: don't pin dentries twice Al Viro
2025-11-18 5:15 ` [PATCH v4 45/54] hypfs: switch hypfs_create_str() to returning int Al Viro
2025-11-18 5:15 ` [PATCH v4 46/54] hypfs: swich hypfs_create_u64() " Al Viro
2025-11-18 5:15 ` [PATCH v4 47/54] convert hypfs Al Viro
2025-11-18 5:15 ` [PATCH v4 48/54] convert rpc_pipefs Al Viro
2025-11-18 5:15 ` [PATCH v4 49/54] convert nfsctl Al Viro
2025-11-18 5:15 ` [PATCH v4 50/54] convert rust_binderfs Al Viro
2025-11-18 5:16 ` [PATCH v4 51/54] get rid of kill_litter_super() Al Viro
2025-11-18 5:16 ` [PATCH v4 52/54] convert securityfs Al Viro
2025-11-18 5:16 ` [PATCH v4 53/54] kill securityfs_recursive_remove() Al Viro
2025-11-18 5:16 ` [PATCH v4 54/54] d_make_discardable(): warn if given a non-persistent dentry Al Viro
2026-01-27 0:56 ` [PATCH v4 00/54] tree-in-dcache stuff Samuel Wu
2026-01-27 7:42 ` Greg KH
2026-01-27 18:39 ` Linus Torvalds
2026-01-27 20:14 ` Al Viro
2026-01-28 8:53 ` Greg KH
2026-01-28 2:02 ` Samuel Wu
2026-01-28 4:59 ` Al Viro
2026-01-29 0:58 ` Samuel Wu
2026-01-29 3:23 ` Al Viro
2026-01-29 22:54 ` Al Viro
2026-01-30 1:16 ` Samuel Wu
2026-01-30 7:04 ` Al Viro
2026-01-30 22:31 ` Samuel Wu
2026-01-30 23:57 ` Al Viro
2026-01-31 0:14 ` Linus Torvalds
2026-01-31 1:08 ` Al Viro
2026-01-31 1:11 ` Linus Torvalds [this message]
2026-02-01 0:11 ` Al Viro
2026-01-31 0:59 ` Al Viro
2026-01-31 1:05 ` Samuel Wu
2026-01-31 1:18 ` Al Viro
2026-01-31 2:09 ` Samuel Wu
2026-01-31 2:43 ` Al Viro
2026-01-31 19:48 ` Samuel Wu
2026-01-31 14:58 ` Krishna Kurapati PSSNV
2026-01-31 20:02 ` Samuel Wu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAHk-=wiXq-bPyKywNOw7z6ehrVReyS-hSPuQkJvuhJWfXGFm=A@mail.gmail.com' \
--to=torvalds@linux-foundation.org \
--cc=a.hindborg@kernel.org \
--cc=android-kernel-team@google.com \
--cc=borntraeger@linux.ibm.com \
--cc=bpf@vger.kernel.org \
--cc=brauner@kernel.org \
--cc=casey@schaufler-ca.com \
--cc=clm@meta.com \
--cc=gregkh@linuxfoundation.org \
--cc=jack@suse.cz \
--cc=john.johansen@canonical.com \
--cc=kees@kernel.org \
--cc=linux-efi@vger.kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-usb@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=miklos@szeredi.hu \
--cc=neil@brown.name \
--cc=ocfs2-devel@lists.linux.dev \
--cc=paul@paul-moore.com \
--cc=raven@themaw.net \
--cc=rostedt@goodmis.org \
--cc=selinux@vger.kernel.org \
--cc=viro@zeniv.linux.org.uk \
--cc=wusamuel@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox