Re: [PATCH v5 00/21] nfsd: add support for CB_NOTIFY callbacks in directory delegations

[Chuck Lever]

From: Chuck Lever <chuck.lever@xxxxxxxxxx>

On Fri, 22 May 2026 15:42:05 -0400, Jeff Layton wrote:
> This patchset builds on the directory delegation work we did a few
> months ago, to add support for CB_NOTIFY callbacks for some events. In
> particular, creates, unlinks and renames. The server also sends updated
> directory attributes in the notifications. With this support, the client
> can register interest in a directory and get notifications about changes
> within it without losing its lease.
> 
> [...]

Applied to nfsd-testing, thanks!

[01/21] nfsd: check fl_lmops in nfsd_breaker_owns_lease()
        commit: 106d7871db32223d589617d9be914ff2ba51727a
[02/21] nfsd: add protocol support for CB_NOTIFY
        commit: 06688aedf70b8da555a5c1d9f7feb786eb329eb4
[03/21] nfs_common: add new NOTIFY4_* flags proposed in RFC8881bis
        commit: 1bdad6b6988d15ae56c97a94802cb2a603492a30
[04/21] nfsd: allow nfsd to get a dir lease with an ignore mask
        commit: 6d767c6080b49d8c3d0a4971d5c30d0ad9345622
[05/21] nfsd: update the fsnotify mark when setting or removing a dir delegation
        commit: b8d98337e97ca91b057abf2374dbd2a846663f68
[06/21] nfsd: make nfsd4_callback_ops->prepare operation bool return
        commit: 35b3e3c47909fba5ad04349fb6ba3287c2c70d81
[07/21] nfsd: add callback encoding and decoding linkages for CB_NOTIFY
        commit: 920a750c30c51ac7a884fbe93e9dc42b2ba37992
[08/21] nfsd: use RCU to protect fi_deleg_file
        commit: 1b21b493326b3a782c7f0ede6d8cd47b9af662d1
[09/21] nfsd: add data structures for handling CB_NOTIFY
        commit: c1810ecdb4e5c9205a6c88c86cf61689115d696f
[10/21] nfsd: add notification handlers for dir events
        commit: e38c39f77041388190ebdcde9230371c180769a0
[11/21] nfsd: add tracepoint to dir_event handler
        commit: cc1687d186b0542390badca86c6a87e17c95b378
[12/21] nfsd: apply the notify mask to the delegation when requested
        commit: 552de5c66f1cd234bff61b5afc802cbb58928e36
[13/21] nfsd: add helper to marshal a fattr4 from completed args
        commit: c452947ca425c5e5bb21382f58db015df37bb007
[14/21] nfsd: allow nfsd4_encode_fattr4_change() to work with no export
        commit: ae845b96ebda28672ae1ea1ade51954cea62c2c8
[15/21] nfsd: send basic file attributes in CB_NOTIFY
        commit: 259bcf6151f873f5476412140fd423a96dca7302
[16/21] nfsd: allow encoding a filehandle into fattr4 without a svc_fh
        commit: 772fb85f866cb7e90a1603052416122ccdd48403
[17/21] nfsd: add a fi_connectable flag to struct nfs4_file
        commit: 465b30cd8c24b04f2dcdf1e644ecae87cf847e8b
[18/21] nfsd: add the filehandle to returned attributes in CB_NOTIFY
        commit: b146f3a075b320e76fccecc0dcebef7cd894364f
[19/21] nfsd: properly track requested child attributes
        commit: 8a5ceb0668d694dd8370ee1d702800e730c862b7
[20/21] nfsd: track requested dir attributes
        commit: 824c7f03f1fbeea6f92d0f4da7dca3ecad27cc3a
[21/21] nfsd: add support to CB_NOTIFY for dir attribute changes
        commit: 9e0982d08e135a46aab2bd6d7fe8609c27a8806e

--
Chuck Lever <chuck.lever@xxxxxxxxxx>