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a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767892566; bh=JE4GNVPNVKkNcA1jpqmX8IvYzHB+7PmSrfcDyeXRZLs=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=O3j/8ZnOjlQ0r4lnYmPtsUkuQLHckXO+a7lG3tqb9TexBpJCI54gOjdY+y8cCsSsQ IxvwGEq3OuP4iFsa+dfO35ddGb2HgrELjQ3ao8l3pK8jjF+Rjy20EonfaYh8Llt5bn /RB0tjx0w8p0Z73/B/w0EDupGFZC6EL5Ujzfd5x4fov1xGuwtJQ2yYnkADQmROHfwj vsL2HbTZgjFTrxJnnt1JgX9uon1ZUYyi2U3LH7fBkbHEoUA/5KeCjcqPEx8Q1c2XKb ox1Hu8zNl8p9EtF8EvUx/ekvx2wfL1yY6MIxC64QcUBwdDJOmA+8NHq3bU3g6XawLT nDl4cYMCkWQAw== From: Jeff Layton Date: Thu, 08 Jan 2026 12:13:14 -0500 Subject: [PATCH 19/24] tmpfs: add setlease file operation MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260108-setlease-6-20-v1-19-ea4dec9b67fa@kernel.org> References: <20260108-setlease-6-20-v1-0-ea4dec9b67fa@kernel.org> In-Reply-To: <20260108-setlease-6-20-v1-0-ea4dec9b67fa@kernel.org> To: Luis de Bethencourt , Salah Triki , Nicolas Pitre , Christoph Hellwig , Jan Kara , Anders Larsen , Alexander Viro , Christian Brauner , David Sterba , Chris Mason , Gao Xiang , Chao Yu , Yue Hu , Jeffle Xu , Sandeep Dhavale , Hongbo Li , Chunhai Guo , Jan Kara , Theodore Ts'o , Andreas Dilger , Jaegeuk Kim , OGAWA Hirofumi , David Woodhouse , Richard Weinberger , Dave Kleikamp , Ryusuke Konishi , Viacheslav Dubeyko , Konstantin Komarov , Mark Fasheh , Joel Becker , Joseph Qi , Mike Marshall , Martin Brandenburg , Miklos Szeredi , Amir Goldstein , Phillip Lougher , Carlos Maiolino , Hugh Dickins , Baolin Wang , Andrew Morton , Namjae Jeon , Sungjong Seo , Yuezhang Mo , Chuck Lever , Alexander Aring , Andreas Gruenbacher , Jonathan Corbet , "Matthew Wilcox (Oracle)" , Eric Van Hensbergen , Latchesar Ionkov , Dominique Martinet , Christian Schoenebeck , Xiubo Li , Ilya Dryomov , Trond Myklebust , Anna Schumaker , Steve French , Paulo Alcantara , Ronnie Sahlberg , Shyam Prasad N , Tom Talpey , Bharath SM , Hans de Goede Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-mtd@lists.infradead.org, jfs-discussion@lists.sourceforge.net, linux-nilfs@vger.kernel.org, ntfs3@lists.linux.dev, ocfs2-devel@lists.linux.dev, devel@lists.orangefs.org, linux-unionfs@vger.kernel.org, linux-xfs@vger.kernel.org, linux-mm@kvack.org, gfs2@lists.linux.dev, linux-doc@vger.kernel.org, v9fs@lists.linux.dev, ceph-devel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, Jeff Layton X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 X-Rspam-User: X-Stat-Signature: 4qno8r9rfxgn4w91caxeft3hx4wnjok3 X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: CB25520016 X-HE-Tag: 1767892567-625793 X-HE-Meta: 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 zanmXZ+N QxjAASSiOVr2ZxMPoednGgeOTEJKHbsZsxzVuDGCqTORQfR1v/4MO549bGXY4zUvnbu3Uxt2XKCaOMTGAVwnS1A/OQvDsPWLM/kji9Rnr1HXEaD0YFYgzvzdjuzyjrAnH6yXxHWgwSSg0BMR/RMLCH2hzPmvH18GpUf2PvC/0xVy3zR8qNzdoB2FkV0g9GyeI3Dp+rDtzibnJ4d4UIhwroKzNLD+Kba3AKRadP1PnNfVH+Ch7N0eKhEBEM2+X2wnTGgFKOS7QSAoGqFxAA7rcaPthXM1UvKh8WF/7NIuqkvXDVWnPwcrVe5u1MZQqsjEdhl10bn+elP8CfUcA1FzjKc01Qrd2NtuNW4bG X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Add the setlease file_operation pointing to generic_setlease to the tmpfs file_operations structures. A future patch will change the default behavior to reject lease attempts with -EINVAL when there is no setlease file operation defined. Add generic_setlease to retain the ability to set leases on this filesystem. Signed-off-by: Jeff Layton --- fs/libfs.c | 2 ++ mm/shmem.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/fs/libfs.c b/fs/libfs.c index 591eb649ebbacf202ff48cd3abd64a175daa291c..697c6d5fc12786c036f0086886297fb5cd52ae00 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -6,6 +6,7 @@ #include #include +#include #include #include #include @@ -570,6 +571,7 @@ const struct file_operations simple_offset_dir_operations = { .iterate_shared = offset_readdir, .read = generic_read_dir, .fsync = noop_fsync, + .setlease = generic_setlease, }; struct dentry *find_next_child(struct dentry *parent, struct dentry *prev) diff --git a/mm/shmem.c b/mm/shmem.c index ec6c01378e9d2bd47db9d7506e4d6a565e092185..88ef1fd5cd38efedbb31353da2871ab1d47e68a5 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include #include @@ -5219,6 +5220,7 @@ static const struct file_operations shmem_file_operations = { .splice_read = shmem_file_splice_read, .splice_write = iter_file_splice_write, .fallocate = shmem_fallocate, + .setlease = generic_setlease, #endif }; -- 2.52.0