From: NeilBrown <neilb@ownmail.net>
To: "Linus Torvalds" <torvalds@linux-foundation.org>
Cc: "Alexander Viro" <viro@zeniv.linux.org.uk>,
"Christian Brauner" <brauner@kernel.org>,
"Jan Kara" <jack@suse.cz>, "Jeff Layton" <jlayton@kernel.org>,
"Trond Myklebust" <trondmy@kernel.org>,
"Anna Schumaker" <anna@kernel.org>,
"Carlos Maiolino" <cem@kernel.org>,
"Miklos Szeredi" <miklos@szeredi.hu>,
"Amir Goldstein" <amir73il@gmail.com>,
"Jan Harkes" <jaharkes@cs.cmu.edu>,
"Hugh Dickins" <hughd@google.com>,
"Baolin Wang" <baolin.wang@linux.alibaba.com>,
"David Howells" <dhowells@redhat.com>,
"Marc Dionne" <marc.dionne@auristor.com>,
"Steve French" <sfrench@samba.org>,
"Namjae Jeon" <linkinjeon@kernel.org>,
"Sungjong Seo" <sj1557.seo@samsung.com>,
"Yuezhang Mo" <yuezhang.mo@sony.com>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Breno Leitao" <leitao@debian.org>,
"Theodore Ts'o" <tytso@mit.edu>,
"Andreas Dilger" <adilger.kernel@dilger.ca>,
"Steven Rostedt" <rostedt@goodmis.org>,
"Masami Hiramatsu" <mhiramat@kernel.org>,
"Ilya Dryomov" <idryomov@gmail.com>,
"Alex Markuze" <amarkuze@redhat.com>,
"Viacheslav Dubeyko" <slava@dubeyko.com>,
"Tyler Hicks" <code@tyhicks.com>,
"Andreas Gruenbacher" <agruenba@redhat.com>,
"Richard Weinberger" <richard@nod.at>,
"Anton Ivanov" <anton.ivanov@cambridgegreys.com>,
"Johannes Berg" <johannes@sipsolutions.net>,
"Jeremy Kerr" <jk@ozlabs.org>, "Ard Biesheuvel" <ardb@kernel.org>,
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linux-um@lists.infradead.org, linux-efi@vger.kernel.org
Subject: Re: [PATCH RFC 00/53] lift lookup out of exclive lock for dir ops
Date: Fri, 13 Mar 2026 11:09:04 +1100 [thread overview]
Message-ID: <177336054496.5556.4842794610845842132@noble.neil.brown.name> (raw)
In-Reply-To: <CAHk-=wh92deXvH5iXCo9mThXCBYt-jRcVu=z4kiH-f3+wZQOHA@mail.gmail.com>
On Fri, 13 Mar 2026, Linus Torvalds wrote:
> On Thu, 12 Mar 2026 at 14:44, NeilBrown <neilb@ownmail.net> wrote:
> >
> > This patch set progresses my effort to improve concurrency of
> > directory operations and specifically to allow concurrent updates
> > in a given directory.
>
> I only got about half the patches, but the ones I did get didn't raise
> my hackles.
>
> HOWEVER.
>
> This is very much a "absolutely requires ACKs from Al" series. Al?
Yes, I'm looking forward to Al's thoughts
>
> Also, because I only got about half the patches, and there's 53 of
> them total, I'd really like to see a git branch for something like
> this. It makes it easier to review for me, and I suspect it makes it
> easier for some of the test robots too.
github.com/neilbrown/linux.git branch pdirops
But if you have only time for one patch, 52/53 is the one to look at.
Thanks,
NeilBrown
>
> But again - this needs Al to look at it. Iirc he had some fundamental
> concern with the last version - hopefully now fixed, but ...
>
> Linus
>
>
prev parent reply other threads:[~2026-03-13 0:09 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-12 21:11 NeilBrown
2026-03-12 21:11 ` [PATCH 01/53] VFS: fix various typos in documentation for start_creating start_removing etc NeilBrown
2026-03-12 21:11 ` [PATCH 02/53] VFS: enhance d_splice_alias() to handle in-lookup dentries NeilBrown
2026-03-12 21:11 ` [PATCH 03/53] VFS: allow d_alloc_name() to be used with ->d_hash NeilBrown
2026-03-12 21:11 ` [PATCH 04/53] VFS: use global wait-queue table for d_alloc_parallel() NeilBrown
2026-03-12 21:11 ` [PATCH 05/53] VFS: introduce d_alloc_noblock() NeilBrown
2026-03-12 21:11 ` [PATCH 06/53] VFS: add d_duplicate() NeilBrown
2026-03-12 21:11 ` [PATCH 07/53] VFS: Add LOOKUP_SHARED flag NeilBrown
2026-03-12 21:11 ` [PATCH 08/53] VFS/xfs: drop parent lock across d_alloc_parallel() in d_add_ci() NeilBrown
2026-03-12 21:11 ` [PATCH 09/53] nfs: remove d_drop()/d_alloc_parallel() from nfs_atomic_open() NeilBrown
2026-03-12 21:11 ` [PATCH 10/53] nfs: use d_splice_alias() in nfs_link() NeilBrown
2026-03-12 21:11 ` [PATCH 11/53] nfs: don't d_drop() before d_splice_alias() NeilBrown
2026-03-12 21:11 ` [PATCH 12/53] nfs: don't d_drop() before d_splice_alias() in atomic_create NeilBrown
2026-03-12 21:12 ` [PATCH 14/53] nfs: use d_alloc_noblock() in silly-rename NeilBrown
2026-03-12 21:12 ` [PATCH 15/53] nfs: use d_duplicate() NeilBrown
2026-03-12 21:12 ` [PATCH 16/53] ovl: drop dir lock for lookups in impure readdir NeilBrown
2026-03-15 13:51 ` Amir Goldstein
2026-03-12 21:12 ` [PATCH 17/53] coda: don't d_drop() early NeilBrown
2026-03-12 21:12 ` [PATCH 18/53] shmem: use d_duplicate() NeilBrown
2026-03-12 21:12 ` [PATCH 19/53] afs: use d_time instead of d_fsdata NeilBrown
2026-03-12 21:12 ` [PATCH 20/53] afs: don't unhash/rehash dentries during unlink/rename NeilBrown
2026-03-12 21:12 ` [PATCH 21/53] afs: use d_splice_alias() in afs_vnode_new_inode() NeilBrown
2026-03-12 21:12 ` [PATCH 22/53] afs: use d_alloc_nonblock in afs_sillyrename() NeilBrown
2026-03-12 21:12 ` [PATCH 23/53] afs: lookup_atsys to drop and reclaim lock NeilBrown
2026-03-12 21:12 ` [PATCH 24/53] afs: use d_duplicate() NeilBrown
2026-03-12 21:12 ` [PATCH 25/53] smb/client: use d_time to store a timestamp in dentry, not d_fsdata NeilBrown
2026-03-12 21:12 ` [PATCH 26/53] smb/client: don't unhashed and rehash to prevent new opens NeilBrown
2026-03-12 21:12 ` [PATCH 27/53] smb/client: use d_splice_alias() in atomic_open NeilBrown
2026-03-12 21:12 ` [PATCH 29/53] exfat: simplify exfat_lookup() NeilBrown
2026-03-12 21:12 ` [PATCH 30/53] configfs: remove d_add() calls before configfs_attach_group() NeilBrown
2026-03-12 21:12 ` [PATCH 31/53] configfs: stop using d_add() NeilBrown
2026-03-12 21:12 ` [PATCH 32/53] ext4: move dcache modifying code out of __ext4_link() NeilBrown
2026-03-17 10:00 ` Jan Kara
2026-03-12 21:12 ` [PATCH 33/53] ext4: use on-stack dentries in ext4_fc_replay_link_internal() NeilBrown
2026-03-17 9:37 ` Jan Kara
2026-03-12 21:12 ` [PATCH 34/53] tracefs: stop using d_add() NeilBrown
2026-03-12 21:12 ` [PATCH 35/53] cephfs: " NeilBrown
2026-03-12 21:12 ` [PATCH 36/53] cephfs: remove d_alloc from CEPH_MDS_OP_LOOKUPNAME handling in ceph_fill_trace() NeilBrown
2026-03-12 21:12 ` [PATCH 37/53] cephfs: Use d_alloc_noblock() in ceph_readdir_prepopulate() NeilBrown
2026-03-12 21:12 ` [PATCH 38/53] cephfs: Don't d_drop() before d_splice_alias() NeilBrown
2026-03-12 21:12 ` [PATCH 39/53] ecryptfs: stop using d_add() NeilBrown
2026-03-12 21:12 ` [PATCH 40/53] gfs2: " NeilBrown
2026-03-12 21:12 ` [PATCH 41/53] libfs: " NeilBrown
2026-03-12 21:12 ` [PATCH 42/53] fuse: don't d_drop() before d_splice_alias() NeilBrown
2026-03-12 21:12 ` [PATCH 44/53] hostfs: don't d_drop() before d_splice_alias() in hostfs_mkdir() NeilBrown
2026-03-12 21:12 ` [PATCH 45/53] efivarfs: use d_alloc_name() NeilBrown
2026-03-12 21:12 ` [PATCH 46/53] Remove references to d_add() in documentation and comments NeilBrown
2026-03-12 21:12 ` [PATCH 47/53] VFS: make d_alloc() local to VFS NeilBrown
2026-03-12 21:12 ` [PATCH 48/53] VFS: remove d_add() NeilBrown
2026-03-12 21:12 ` [PATCH 49/53] VFS: remove d_rehash() NeilBrown
2026-03-12 21:12 ` [PATCH 50/53] VFS: remove lookup_one() and lookup_noperm() NeilBrown
2026-03-12 21:12 ` [PATCH 51/53] VFS: use d_alloc_parallel() in lookup_one_qstr_excl() NeilBrown
2026-03-12 21:12 ` [PATCH 52/53] VFS: lift d_alloc_parallel above inode_lock NeilBrown
2026-03-12 21:12 ` [PATCH 53/53] VFS: remove LOOKUP_SHARED NeilBrown
2026-03-12 23:38 ` [PATCH RFC 00/53] lift lookup out of exclive lock for dir ops Steven Rostedt
2026-03-13 0:18 ` NeilBrown
2026-03-12 23:46 ` Linus Torvalds
2026-03-13 0:09 ` NeilBrown [this message]
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