Commit abd4fc77 authored by Luís Henriques's avatar Luís Henriques Committed by Ilya Dryomov
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ceph: prevent snapshot creation in encrypted locked directories 



With snapshot names encryption we can not allow snapshots to be created in
locked directories because the names wouldn't be encrypted.  This patch
forces the directory to be unlocked to allow a snapshot to be created.

Signed-off-by: default avatarLuís Henriques <lhenriques@suse.de>
Reviewed-by: default avatarJeff Layton <jlayton@kernel.org>
Reviewed-by: default avatarXiubo Li <xiubli@redhat.com>
Reviewed-by: default avatarMilind Changire <mchangir@redhat.com>
Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
parent dd66df00

fs/ceph/dir.c

+5 −0
Original line number Diff line number Diff line
@@ -1090,6 +1090,11 @@ static int ceph_mkdir(struct mnt_idmap *idmap, struct inode *dir, 
		err = -EDQUOT;

		goto out;

	}

	if ((op == CEPH_MDS_OP_MKSNAP) && IS_ENCRYPTED(dir) &&

	    !fscrypt_has_encryption_key(dir)) {

		err = -ENOKEY;

		goto out;

	}





	req = ceph_mdsc_create_request(mdsc, op, USE_AUTH_MDS);