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a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767892429; bh=q6ECGD1+wntgmlJSkidx4XZzYvMNc2stbnRPzbVswr4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=niOHr0KOpKsPbW3zcxSPJ4+HdeaSJcF9n2piB+6bV/P08brOPZY60SMqx3j4YVoxN HY23AKzQOBHv5xbyCZODtdGvk8Iyuq3I5ZhrhCWp660sKVFvTkxAtvo6+2zeBPFcwG 4+6DEmOnuyk0FwVI8/H5Oeq3cw+B1HbnX3m1q/5DUy6tvj/EncQX0MDAdhOTB66vc6 Wa9Tx54LFEZPpTtzwjNRcJGznRwseKdLJWb0bgDU2EpAXO0/KhhvkoQcHVprarCLt0 WqAdXqVBexp4OOG3pfKO1KsQRyYLMdnkS6aXHz6qetxafVfPy72aJqgerrIX0uQpWw vTe+PlRm/5SWg== From: Jeff Layton Date: Thu, 08 Jan 2026 12:12:56 -0500 Subject: [PATCH 01/24] fs: add setlease to generic_ro_fops and read-only filesystem directory operations MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260108-setlease-6-20-v1-1-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: 5z5c5trap3r6q9d3q155ooengy41w9au X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: CE42F1C0005 X-HE-Tag: 1767892430-867500 X-HE-Meta: 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 vVBQ2gl3 PjHFnpSzS1Xo7i7sYP2VjPx4WxwIUA4MgIsd52HUsiY0sN5SKR6edq1x+iuVwAstxDQua4zSVFY/SqJLu5Bx4oXq8v34IU9NgPZ4G3YGA7jhPVrBQdid/YRDtYsD+zNZ+VM7gBSYGmiOcWrZR3ysCvqy1WUrh4V780VeLH59NUoNc1jrKzjSqURCCDYDowl1IIPuoAH+e07BkbtSRgyDJQMAIMdhcwItM/CSykH1iRlenHHAFbs8qf8OaiM4gePKusjxtPth/J1gzNFxXXfOVQP+2LX9CrFUsrGC+aY4nx2p7jqjE7pkFGBB6vOhtV0Clp6Wb0rLk6ba+glrF8IqaJxHsvT8mpTJakQxBik8Gk9fyH6Kiu9Toa2Bc8gzyON3Z0B2HFjhSnOP24ns= 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 to generic_ro_fops, which covers file operations for several read-only filesystems (BEFS, EFS, ISOFS, QNX4, QNX6, CRAMFS, FREEVXFS). Also add setlease to the directory file_operations for these filesystems. 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 these filesystems. Signed-off-by: Jeff Layton --- fs/befs/linuxvfs.c | 2 ++ fs/cramfs/inode.c | 2 ++ fs/efs/dir.c | 2 ++ fs/freevxfs/vxfs_lookup.c | 2 ++ fs/isofs/dir.c | 2 ++ fs/qnx4/dir.c | 2 ++ fs/qnx6/dir.c | 2 ++ fs/read_write.c | 2 ++ 8 files changed, 16 insertions(+) diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c index 9fcfdd6b8189aaf5cc3b68aa8dff4798af5bdcbc..d7c5d9270387bf6c3e94942e6331b449f90fe428 100644 --- a/fs/befs/linuxvfs.c +++ b/fs/befs/linuxvfs.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -79,6 +80,7 @@ static const struct file_operations befs_dir_operations = { .read = generic_read_dir, .iterate_shared = befs_readdir, .llseek = generic_file_llseek, + .setlease = generic_setlease, }; static const struct inode_operations befs_dir_inode_operations = { diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c index e54ebe402df79d43a2c7cf491d669829f7ef81b7..41b1a869cf135d014003d6bf1c343d590ae7a084 100644 --- a/fs/cramfs/inode.c +++ b/fs/cramfs/inode.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include #include @@ -938,6 +939,7 @@ static const struct file_operations cramfs_directory_operations = { .llseek = generic_file_llseek, .read = generic_read_dir, .iterate_shared = cramfs_readdir, + .setlease = generic_setlease, }; static const struct inode_operations cramfs_dir_inode_operations = { diff --git a/fs/efs/dir.c b/fs/efs/dir.c index f892ac7c2a35e0094a314eeded06a974154e46d7..35ad0092c11547af68ef8baf4965b50a0a7593fe 100644 --- a/fs/efs/dir.c +++ b/fs/efs/dir.c @@ -6,6 +6,7 @@ */ #include +#include #include "efs.h" static int efs_readdir(struct file *, struct dir_context *); @@ -14,6 +15,7 @@ const struct file_operations efs_dir_operations = { .llseek = generic_file_llseek, .read = generic_read_dir, .iterate_shared = efs_readdir, + .setlease = generic_setlease, }; const struct inode_operations efs_dir_inode_operations = { diff --git a/fs/freevxfs/vxfs_lookup.c b/fs/freevxfs/vxfs_lookup.c index 1b0bca8b4cc686043d92246042dcf833d37712e4..138e08de976ea762a46043316f27e9a031f60c32 100644 --- a/fs/freevxfs/vxfs_lookup.c +++ b/fs/freevxfs/vxfs_lookup.c @@ -8,6 +8,7 @@ * Veritas filesystem driver - lookup and other directory related code. */ #include +#include #include #include #include @@ -36,6 +37,7 @@ const struct file_operations vxfs_dir_operations = { .llseek = generic_file_llseek, .read = generic_read_dir, .iterate_shared = vxfs_readdir, + .setlease = generic_setlease, }; diff --git a/fs/isofs/dir.c b/fs/isofs/dir.c index 09df40b612fbf27a1a93af2b4fbf6a607f4a1ab4..2ca16c3fe5ef3427e5bbd0631eb8323ef3c58bf1 100644 --- a/fs/isofs/dir.c +++ b/fs/isofs/dir.c @@ -12,6 +12,7 @@ * isofs directory handling functions */ #include +#include #include "isofs.h" int isofs_name_translate(struct iso_directory_record *de, char *new, struct inode *inode) @@ -271,6 +272,7 @@ const struct file_operations isofs_dir_operations = .llseek = generic_file_llseek, .read = generic_read_dir, .iterate_shared = isofs_readdir, + .setlease = generic_setlease, }; /* diff --git a/fs/qnx4/dir.c b/fs/qnx4/dir.c index 42a529e26bd68b6de1a7738c409d5942a92066f8..6402715ab377e5686558371dd76e5a4c1cfbb787 100644 --- a/fs/qnx4/dir.c +++ b/fs/qnx4/dir.c @@ -13,6 +13,7 @@ */ #include +#include #include "qnx4.h" static int qnx4_readdir(struct file *file, struct dir_context *ctx) @@ -71,6 +72,7 @@ const struct file_operations qnx4_dir_operations = .read = generic_read_dir, .iterate_shared = qnx4_readdir, .fsync = generic_file_fsync, + .setlease = generic_setlease, }; const struct inode_operations qnx4_dir_inode_operations = diff --git a/fs/qnx6/dir.c b/fs/qnx6/dir.c index b4d10e45f2e41b45568fe813a3cc0aa253bcab6e..ae0c9846833d916beb7f356cfa6e9de01a6f6963 100644 --- a/fs/qnx6/dir.c +++ b/fs/qnx6/dir.c @@ -11,6 +11,7 @@ * */ +#include #include "qnx6.h" static unsigned qnx6_lfile_checksum(char *name, unsigned size) @@ -275,6 +276,7 @@ const struct file_operations qnx6_dir_operations = { .read = generic_read_dir, .iterate_shared = qnx6_readdir, .fsync = generic_file_fsync, + .setlease = generic_setlease, }; const struct inode_operations qnx6_dir_inode_operations = { diff --git a/fs/read_write.c b/fs/read_write.c index 833bae068770a4e410e4895132586313a9687fa2..50bff7edc91f36fe5ee24198bd51a33c278d40a2 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -20,6 +20,7 @@ #include #include #include +#include #include "internal.h" #include @@ -30,6 +31,7 @@ const struct file_operations generic_ro_fops = { .read_iter = generic_file_read_iter, .mmap_prepare = generic_file_readonly_mmap_prepare, .splice_read = filemap_splice_read, + .setlease = generic_setlease, }; EXPORT_SYMBOL(generic_ro_fops); -- 2.52.0