ocfs2: take inode lock in ocfs2_iop_set/get_acl()

int ocfs2_iop_set_acl(struct inode *inode, struct posix_acl *acl, int type)

{

	return ocfs2_set_acl(NULL, inode, NULL, type, acl, NULL, NULL);

	struct buffer_head *bh = NULL;

	int status = 0;

	status = ocfs2_inode_lock(inode, &bh, 1);

	if (status < 0) {

		if (status != -ENOENT)

			mlog_errno(status);

		return status;

	}

	status = ocfs2_set_acl(NULL, inode, bh, type, acl, NULL, NULL);

	ocfs2_inode_unlock(inode, 1);

	brelse(bh);

	return status;

}

struct posix_acl *ocfs2_iop_get_acl(struct inode *inode, int type)

	struct ocfs2_super *osb;

	struct buffer_head *di_bh = NULL;

	struct posix_acl *acl;

	int ret = -EAGAIN;

	int ret;

	osb = OCFS2_SB(inode->i_sb);

	if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))

		return NULL;

	ret = ocfs2_read_inode_block(inode, &di_bh);

	if (ret < 0)

	ret = ocfs2_inode_lock(inode, &di_bh, 0);

	if (ret < 0) {

		if (ret != -ENOENT)

			mlog_errno(ret);

		return ERR_PTR(ret);

	}

	acl = ocfs2_get_acl_nolock(inode, type, di_bh);

	ocfs2_inode_unlock(inode, 0);

	brelse(di_bh);

	return acl;

}