From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0268B31353B; Wed, 5 Nov 2025 16:54:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762361650; cv=none; b=HMhpLuPCNSTkPmhcACuBsM+rhya9Qp7cAivfQ+49tPkH5+hNEBGyZQLRQkjTQ+1gFV7CHflRVvIvCS6xyjFfo2Az3WMJ0EHecihQH3UBa0B1kHDqe2meILTiRsRkLRaCW/3Kt65dw5AShOUX6m3J2QskOQoia29no3OfQJaiD48= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762361650; c=relaxed/simple; bh=X568zCRsjEXh/3B6ZRy7jKHNt8H/ZML3yG8+iAorCd0=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=ZeJWwZ8pUNFYhF+PMKLvqlchY7kP734mUZYKn6iJE3PwPJzmSHcsmtkxlJK5i9Q12CSDBLc+Nd7qzLTO8rmdliHD7oNQqkOpnBeMfvgsxP24DAqp1bL31+b0ORmtDEDIUuEZIp1y55swr8TWA2W47R4uywI2LrRrtN9d4jGyZGU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=uRW9AJOg; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="uRW9AJOg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 47595C4CEF5; Wed, 5 Nov 2025 16:54:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762361649; bh=X568zCRsjEXh/3B6ZRy7jKHNt8H/ZML3yG8+iAorCd0=; h=From:Subject:Date:To:Cc:From; b=uRW9AJOguz+2wiyVAR5LG/LhjN5vmazIuaC5kF7dGZiUUXVoZ0uDtM89HcDRKxwos w+dDYsGYxvgB5kg87spXKOIrQaaUablsDLg0tnH2ZvUln3UYpwzx5suNgWTbq5vf4J Ji3dj30VPaeX7p52MnpCsYR8CWl+iVYIwyYF2Y17YWG3EJRQTef/+iWmrI1a+b+nSZ LTSHBQXgo5qW/iY2Srd3UAGQ5X1KefJRhZHrD1Wm24CezZhfP+zw3ix9GRWC7clNes lHOcifug4SwlYhi3CFXLe1Ul1P+w2+gSZJELJ67Sm3yf9b5AdddX3CcfrLGbKxHwjL 7N2Gc48XisuZg== From: Jeff Layton Subject: [PATCH v5 00/17] vfs: recall-only directory delegations for knfsd Date: Wed, 05 Nov 2025 11:53:46 -0500 Message-Id: <20251105-dir-deleg-ro-v5-0-7ebc168a88ac@kernel.org> Precedence: bulk X-Mailing-List: linux-xfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAAAAAAAC/3XOQQ6CMBCF4auYrq2ZaQsUV97DuKDtAI0ETDFEQ 7i7hY0Icfkm+f7MyHoKnnp2Pows0OB737VxJMcDs3XRVsS9i5sJEAkCSu584I4aqnjouIOSMNd CGoEskkeg0r+W3PUWd+37ZxfeS33A+fonNCAHriDNNBQZUEKXO4WWmlMXKjaXBrHW2UaLqLXVZ eqckFabnZYrLXCjZdQFaIPWUV4qu9PqqxG2n6uo8xRNmhWOSOc/epqmD2TVPtpjAQAA X-Change-ID: 20251013-dir-deleg-ro-d0fe19823b21 To: Miklos Szeredi , Alexander Viro , Christian Brauner , Jan Kara , Chuck Lever , Alexander Aring , Trond Myklebust , Anna Schumaker , Steve French , Paulo Alcantara , Ronnie Sahlberg , Shyam Prasad N , Tom Talpey , Bharath SM , Greg Kroah-Hartman , "Rafael J. Wysocki" , Danilo Krummrich , David Howells , Tyler Hicks , NeilBrown , Olga Kornievskaia , Dai Ngo , Amir Goldstein , Namjae Jeon , Steve French , Sergey Senozhatsky , Carlos Maiolino , Kuniyuki Iwashima , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, netfs@lists.linux.dev, ecryptfs@vger.kernel.org, linux-unionfs@vger.kernel.org, linux-xfs@vger.kernel.org, netdev@vger.kernel.org, Jeff Layton , NeilBrown X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=4262; i=jlayton@kernel.org; h=from:subject:message-id; bh=X568zCRsjEXh/3B6ZRy7jKHNt8H/ZML3yG8+iAorCd0=; b=owEBbQKS/ZANAwAKAQAOaEEZVoIVAcsmYgBpC4EjU/7X9+KFwYCOggzF+DpNV1fgPmF9z8W6w KML0a3pGseJAjMEAAEKAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCaQuBIwAKCRAADmhBGVaC FdHiD/0b0jAqTJc8n8ilb4rpF38JBVchUCvlO/YuBK6NgERHmpliYJvbcBvnzGRHuzyVRLbV/q3 6wZewWmv7kURk/oxyYsedL7hxXyZHG3PGx9ve4Lov6gyQmzzNSm4N56EGlz2vvk7znTtkvPy7iC B0gph3O3VxSZbDp2x6bI0turqxVPJ4Bkpd64g3dvyoMirX9o1lm0Z7tPoTI4EdN//W/cjzrHVst hhjdejRT6L5rSvO/njDlrF7YhRTG4Xx05q0uEdtO860/m8DpfFmRy5mDjwr2yWWskuRI7yxiGJ9 DvRYKKMO91vEeAVwSig9dHjiaDAd77OWSLAt6GmuvNKP/7mtBZd5s2g9BviOLkDS+rddMuEfM76 1SNJaEyFJ88fvfs/6LXFtplO+YhnlsP9ufa4VrcIAuRZeuO7sVVpjtOowt7cdPj63JkCtzzsapH WMyRsaBMDpxmebym/cmUfug07OWQmiJoSmrSnPlG+kbWhN6hivOk1bol0ZlUQfDKxgzRq7D0R3L nvmQtp3TWMCDLmVzB/5lrzQmBHEHBir0AW9fgEGk2ZSoJwxSHP4QuLh0WhoHqRQ/v7blCbJnlid ZPvzpmjDpA98/V/Mb1/y0L8k3qP6XyrITLJ2+SvKrizyLU/acvTiaTyOQ/eqfpIuDJ0GaHCSNmI ypqH1AnwQ3m+VwA== X-Developer-Key: i=jlayton@kernel.org; a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 Behold, another version of the directory delegation patchset. This version contains support for recall-only delegations. Support for CB_NOTIFY will be forthcoming (once the client-side patches have caught up). Thanks! Jeff Signed-off-by: Jeff Layton --- Changes in v5: - drop struct createdata patch - add patch to drop some unneeded arguments to vfs_create() - make fcntl_getdeleg() vet delegation->d_flags - Link to v4: https://lore.kernel.org/r/20251103-dir-deleg-ro-v4-0-961b67adee89@kernel.org Changes in v4: - Split lease_alloc() changes into separate patch - new patches to switch break_lease() to use single set of flags - add struct delegated_inode and use that instead of struct inode ** - add struct createdata and use that as argument to vfs_create() - Rebase onto brauner/vfs-6.19.directory.delegation - Make F_GETDELEG take and fill out struct delegation too - Link to v3: https://lore.kernel.org/r/20251021-dir-deleg-ro-v3-0-a08b1cde9f4c@kernel.org Changes in v3: - Fix potential nfsd_file refcount leaks on GET_DIR_DELEGATION error - Add missing parent dir deleg break in vfs_symlink() - Add F_SETDELEG/F_GETDELEG support to fcntl() - Link to v2: https://lore.kernel.org/r/20251017-dir-deleg-ro-v2-0-8c8f6dd23c8b@kernel.org Changes in v2: - handle lease conflict resolution inside of nfsd - drop the lm_may_setlease lock_manager operation - just add extra argument to vfs_create() instead of creating wrapper - don't allocate fsnotify_mark for open directories - Link to v1: https://lore.kernel.org/r/20251013-dir-deleg-ro-v1-0-406780a70e5e@kernel.org --- Jeff Layton (17): filelock: make lease_alloc() take a flags argument filelock: rework the __break_lease API to use flags filelock: add struct delegated_inode filelock: push the S_ISREG check down to ->setlease handlers vfs: add try_break_deleg calls for parents to vfs_{link,rename,unlink} vfs: allow mkdir to wait for delegation break on parent vfs: allow rmdir to wait for delegation break on parent vfs: break parent dir delegations in open(..., O_CREAT) codepath vfs: clean up argument list for vfs_create() vfs: make vfs_create break delegations on parent directory vfs: make vfs_mknod break delegations on parent directory vfs: make vfs_symlink break delegations on parent dir filelock: lift the ban on directory leases in generic_setlease nfsd: allow filecache to hold S_IFDIR files nfsd: allow DELEGRETURN on directories nfsd: wire up GET_DIR_DELEGATION handling vfs: expose delegation support to userland drivers/base/devtmpfs.c | 6 +- fs/attr.c | 2 +- fs/cachefiles/namei.c | 2 +- fs/ecryptfs/inode.c | 11 ++- fs/fcntl.c | 13 ++++ fs/fuse/dir.c | 1 + fs/init.c | 6 +- fs/locks.c | 100 +++++++++++++++++++++------- fs/namei.c | 162 +++++++++++++++++++++++++++++++++------------ fs/nfs/nfs4file.c | 2 + fs/nfsd/filecache.c | 57 ++++++++++++---- fs/nfsd/filecache.h | 2 + fs/nfsd/nfs3proc.c | 2 +- fs/nfsd/nfs4proc.c | 22 +++++- fs/nfsd/nfs4recover.c | 6 +- fs/nfsd/nfs4state.c | 103 +++++++++++++++++++++++++++- fs/nfsd/state.h | 5 ++ fs/nfsd/vfs.c | 16 ++--- fs/nfsd/vfs.h | 2 +- fs/open.c | 12 ++-- fs/overlayfs/overlayfs.h | 10 +-- fs/posix_acl.c | 8 +-- fs/smb/client/cifsfs.c | 3 + fs/smb/server/vfs.c | 9 ++- fs/utimes.c | 4 +- fs/xattr.c | 12 ++-- fs/xfs/scrub/orphanage.c | 2 +- include/linux/filelock.h | 98 +++++++++++++++++++++------ include/linux/fs.h | 24 ++++--- include/linux/xattr.h | 4 +- include/uapi/linux/fcntl.h | 10 +++ net/unix/af_unix.c | 2 +- 32 files changed, 542 insertions(+), 176 deletions(-) --- base-commit: 3a8660878839faadb4f1a6dd72c3179c1df56787 change-id: 20251013-dir-deleg-ro-d0fe19823b21 Best regards, -- Jeff Layton