Messages in this thread Patch in this message | | | From | Alexander Mikhalitsyn <> | Subject | [PATCH v2 10/13] ceph: allow idmapped setattr inode op | Date | Wed, 24 May 2023 17:33:12 +0200 |
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From: Christian Brauner <christian.brauner@ubuntu.com>
Enable __ceph_setattr() to handle idmapped mounts. This is just a matter of passing down the mount's idmapping.
Cc: Jeff Layton <jlayton@kernel.org> Cc: Ilya Dryomov <idryomov@gmail.com> Cc: ceph-devel@vger.kernel.org Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com> --- fs/ceph/inode.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 37e1cbfc7c89..f1f934439be0 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -2050,6 +2050,13 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr) dout("setattr %p issued %s\n", inode, ceph_cap_string(issued)); + /* + * The attr->ia_{g,u}id members contain the target {g,u}id we're + * sending over the wire. The mount idmapping only matters when we + * create new filesystem objects based on the caller's mapped + * fs{g,u}id. + */ + req->r_mnt_idmap = &nop_mnt_idmap; if (ia_valid & ATTR_UID) { dout("setattr %p uid %d -> %d\n", inode, from_kuid(&init_user_ns, inode->i_uid), @@ -2240,7 +2247,7 @@ int ceph_setattr(struct mnt_idmap *idmap, struct dentry *dentry, if (ceph_inode_is_shutdown(inode)) return -ESTALE; - err = setattr_prepare(&nop_mnt_idmap, dentry, attr); + err = setattr_prepare(idmap, dentry, attr); if (err != 0) return err; @@ -2255,7 +2262,7 @@ int ceph_setattr(struct mnt_idmap *idmap, struct dentry *dentry, err = __ceph_setattr(inode, attr); if (err >= 0 && (attr->ia_valid & ATTR_MODE)) - err = posix_acl_chmod(&nop_mnt_idmap, dentry, attr->ia_mode); + err = posix_acl_chmod(idmap, dentry, attr->ia_mode); return err; } -- 2.34.1
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