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Tue, 24 Feb 2026 17:27:48 -0500 (EST) From: NeilBrown To: Christian Brauner , Alexander Viro , David Howells , Jan Kara , Chuck Lever , Jeff Layton , Miklos Szeredi , Amir Goldstein , John Johansen , Paul Moore , James Morris , "Serge E. Hallyn" , Stephen Smalley , "Darrick J. Wong" Cc: linux-kernel@vger.kernel.org, netfs@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-unionfs@vger.kernel.org, apparmor@lists.ubuntu.com, linux-security-module@vger.kernel.org, selinux@vger.kernel.org Subject: [PATCH v3 14/15] ovl: remove ovl_lock_rename_workdir() Date: Wed, 25 Feb 2026 09:16:59 +1100 Message-ID: <20260224222542.3458677-15-neilb@ownmail.net> X-Mailer: git-send-email 2.50.0.107.gf914562f5916.dirty In-Reply-To: <20260224222542.3458677-1-neilb@ownmail.net> References: <20260224222542.3458677-1-neilb@ownmail.net> Reply-To: NeilBrown Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: NeilBrown This function is unused since Commit 833d2b3a072f ("Add start_renaming_two_dentries()") Reviewed-by: Amir Goldstein Reviewed-by: Jeff Layton Signed-off-by: NeilBrown --- fs/overlayfs/overlayfs.h | 2 -- fs/overlayfs/util.c | 25 ------------------------- 2 files changed, 27 deletions(-) diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index 714a1cec3709..6fb99c583c31 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -569,8 +569,6 @@ bool ovl_is_inuse(struct dentry *dentry); bool ovl_need_index(struct dentry *dentry); int ovl_nlink_start(struct dentry *dentry); void ovl_nlink_end(struct dentry *dentry); -int ovl_lock_rename_workdir(struct dentry *workdir, struct dentry *work, - struct dentry *upperdir, struct dentry *upper); int ovl_check_metacopy_xattr(struct ovl_fs *ofs, const struct path *path, struct ovl_metacopy *data); int ovl_set_metacopy_xattr(struct ovl_fs *ofs, struct dentry *d, diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c index 3f1b763a8bb4..aa2a32793c2f 100644 --- a/fs/overlayfs/util.c +++ b/fs/overlayfs/util.c @@ -1213,31 +1213,6 @@ void ovl_nlink_end(struct dentry *dentry) ovl_inode_unlock(inode); } =20 -int ovl_lock_rename_workdir(struct dentry *workdir, struct dentry *work, - struct dentry *upperdir, struct dentry *upper) -{ - struct dentry *trap; - - /* Workdir should not be subdir of upperdir and vice versa */ - trap =3D lock_rename(workdir, upperdir); - if (IS_ERR(trap)) - goto err; - if (trap) - goto err_unlock; - if (work && (work->d_parent !=3D workdir || d_unhashed(work))) - goto err_unlock; - if (upper && (upper->d_parent !=3D upperdir || d_unhashed(upper))) - goto err_unlock; - - return 0; - -err_unlock: - unlock_rename(workdir, upperdir); -err: - pr_err("failed to lock workdir+upperdir\n"); - return -EIO; -} - /* * err < 0, 0 if no metacopy xattr, metacopy data size if xattr found. * an empty xattr returns OVL_METACOPY_MIN_SIZE to distinguish from no xat= tr value. --=20 2.50.0.107.gf914562f5916.dirty