[v7,04/11] ceph: pass an idmapping to mknod/symlink/mkdir
Commit Message
From: Christian Brauner <christian.brauner@ubuntu.com>
Enable mknod/symlink/mkdir iops to handle idmapped mounts.
This is just a matter of passing down the mount's idmapping.
Cc: Xiubo Li <xiubli@redhat.com>
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>
---
v4:
- call mnt_idmap_get
v7:
- don't pass idmapping for ceph_rename (no need)
---
fs/ceph/dir.c | 3 +++
1 file changed, 3 insertions(+)
@@ -952,6 +952,7 @@ static int ceph_mknod(struct mnt_idmap *idmap, struct inode *dir,
req->r_parent = dir;
ihold(dir);
set_bit(CEPH_MDS_R_PARENT_LOCKED, &req->r_req_flags);
+ req->r_mnt_idmap = mnt_idmap_get(idmap);
req->r_args.mknod.mode = cpu_to_le32(mode);
req->r_args.mknod.rdev = cpu_to_le32(rdev);
req->r_dentry_drop = CEPH_CAP_FILE_SHARED | CEPH_CAP_AUTH_EXCL |
@@ -1067,6 +1068,7 @@ static int ceph_symlink(struct mnt_idmap *idmap, struct inode *dir,
}
set_bit(CEPH_MDS_R_PARENT_LOCKED, &req->r_req_flags);
+ req->r_mnt_idmap = mnt_idmap_get(idmap);
req->r_dentry = dget(dentry);
req->r_num_caps = 2;
req->r_dentry_drop = CEPH_CAP_FILE_SHARED | CEPH_CAP_AUTH_EXCL |
@@ -1146,6 +1148,7 @@ static int ceph_mkdir(struct mnt_idmap *idmap, struct inode *dir,
req->r_parent = dir;
ihold(dir);
set_bit(CEPH_MDS_R_PARENT_LOCKED, &req->r_req_flags);
+ req->r_mnt_idmap = mnt_idmap_get(idmap);
req->r_args.mkdir.mode = cpu_to_le32(mode);
req->r_dentry_drop = CEPH_CAP_FILE_SHARED | CEPH_CAP_AUTH_EXCL |
CEPH_CAP_XATTR_EXCL;