Commit 09838f1b authored by Christian Brauner's avatar Christian Brauner Committed by Ilya Dryomov
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ceph: pass an idmapping to mknod/symlink/mkdir 



Enable mknod/symlink/mkdir iops to handle idmapped mounts.
This is just a matter of passing down the mount's idmapping.

Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
Signed-off-by: default avatarAlexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
Reviewed-by: default avatarXiubo Li <xiubli@redhat.com>
Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
parent 673478b6

fs/ceph/dir.c

+4 −0
Original line number Diff line number Diff line
@@ -953,6 +953,7 @@ 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 |
@@ -1071,6 +1072,7 @@ 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 |
@@ -1150,6 +1152,8 @@ 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);

	if (op == CEPH_MDS_OP_MKDIR)

		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;