linux-kernel - Re: [PATCH v4 0/8] nfsd/vfs: fix handling of delegated timestamp updates

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Message-ID: <175388362821.78947.18183127032969015435.b4-ty@oracle.com>
Date: Wed, 30 Jul 2025 09:54:10 -0400
From: Chuck Lever <cel@...nel.org>
To: Alexander Viro <viro@...iv.linux.org.uk>,
	Christian Brauner <brauner@...nel.org>,
	Jan Kara <jack@...e.cz>,
	Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	NeilBrown <neil@...wn.name>,
	Olga Kornievskaia <okorniev@...hat.com>,
	Dai Ngo <Dai.Ngo@...cle.com>,
	Tom Talpey <tom@...pey.com>,
	Jeff Layton <jlayton@...nel.org>
Cc: Chuck Lever <chuck.lever@...cle.com>,
	Trond Myklebust <trondmy@...merspace.com>,
	Anna Schumaker <anna@...nel.org>,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org,
	linux-nfs@...r.kernel.org
Subject: Re: [PATCH v4 0/8] nfsd/vfs: fix handling of delegated timestamp updates

From: Chuck Lever <chuck.lever@...cle.com>

On Wed, 30 Jul 2025 09:24:29 -0400, Jeff Layton wrote:
> This patchset fixes the handling of delegated timestamps in nfsd. This
> one also adopts Neil's suggestopn to use FMODE_NOCMTIME to freeze
> timestamp updates while there is a WRITE_ATTRS delegation outstanding.
> 
> Most of these patches are identical to the last set. I dropped the patch
> that removes inode_set_ctime_deleg(), and reworked the logic in
> setattr_copy() and friends to accomodate.
> 
> [...]

Applied v4 to nfsd-testing, thanks!

[1/8] nfsd: fix assignment of ia_ctime.tv_nsec on delegated mtime update
      commit: 237f236e44701cffc5cd9e302d4fec172a954d2f
[2/8] nfsd: ignore ATTR_DELEG when checking ia_valid before notify_change()
      commit: 30a594d856dc2fc89d3751b5d630cd55fceffd9a
[3/8] vfs: add ATTR_CTIME_SET flag
      commit: 3076cf4693efc8596a1d1eee17a9bc9b5c4b197d
[4/8] nfsd: use ATTR_CTIME_SET for delegated ctime updates
      commit: 12b1b09ddb932c2be8148758ebb5d93265293d18
[5/8] nfsd: track original timestamps in nfs4_delegation
      commit: 2082ff203cad83a7d50478112b2089743f8fea43
[6/8] nfsd: fix SETATTR updates for delegated timestamps
      commit: 90a615f4a2836bbaf91ac18c3157944655949368
[7/8] nfsd: fix timestamp updates in CB_GETATTR
      commit: ba17826b25e921ebca04fc54a59336dad68302ac
[8/8] nfsd: freeze c/mtime updates with outstanding WRITE_ATTRS delegation
      commit: 278138d4f85df580edde73ad4d89b8aae75d0e77

--
Chuck Lever