From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Yan, Zheng" Subject: Re: [PATCH 4/5] ceph: add missing init_acl() for mkdir() and atomic_open() Date: Fri, 14 Feb 2014 14:07:56 +0800 Message-ID: <52FDB2BC.2020000@intel.com> References: <1392096612-11481-1-git-send-email-zheng.z.yan@intel.com> <1392096612-11481-4-git-send-email-zheng.z.yan@intel.com> <20140214054649.GA3488@x230> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mga09.intel.com ([134.134.136.24]:4355 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751059AbaBNGH6 (ORCPT ); Fri, 14 Feb 2014 01:07:58 -0500 In-Reply-To: <20140214054649.GA3488@x230> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: ceph-devel@vger.kernel.org, sage@inktank.com On 02/14/2014 01:46 PM, Guangliang Zhao wrote: > On Tue, Feb 11, 2014 at 01:30:11PM +0800, Yan Zheng wrote: > > This looks good, but there maybe some hiccups, see below. > > The symlink also need ceph_init_acl() as Alex mentioned, I have > add it in the patch. will update my patch. > >> Signed-off-by: Yan, Zheng >> --- >> fs/ceph/dir.c | 9 +++++---- >> fs/ceph/file.c | 1 + >> 2 files changed, 6 insertions(+), 4 deletions(-) >> >> diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c >> index 6da4df8..3bbd0eb 100644 >> --- a/fs/ceph/dir.c >> +++ b/fs/ceph/dir.c >> @@ -695,9 +695,8 @@ static int ceph_mknod(struct inode *dir, struct dentry *dentry, >> ceph_mdsc_put_request(req); >> >> if (!err) >> - err = ceph_init_acl(dentry, dentry->d_inode, dir); >> - >> - if (err) >> + ceph_init_acl(dentry, dentry->d_inode, dir); >> + else >> d_drop(dentry); > > ceph_init_acl() may fail, we shoud take care of the return value. I remove the error handling intentionally because creating inode and initializing ACL are not atomic in current implementation. A better approach is initializing the ACL on the metadata server, but it requires more works. Regards Yan, Zheng > >> return err; >> } >> @@ -776,7 +775,9 @@ static int ceph_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) >> err = ceph_handle_notrace_create(dir, dentry); >> ceph_mdsc_put_request(req); >> out: >> - if (err < 0) >> + if (!err) >> + ceph_init_acl(dentry, dentry->d_inode, dir); >> + else >> d_drop(dentry); >> return err; >> } >> diff --git a/fs/ceph/file.c b/fs/ceph/file.c >> index dfd2ce3..09c7afe 100644 >> --- a/fs/ceph/file.c >> +++ b/fs/ceph/file.c >> @@ -286,6 +286,7 @@ int ceph_atomic_open(struct inode *dir, struct dentry *dentry, >> } else { >> dout("atomic_open finish_open on dn %p\n", dn); >> if (req->r_op == CEPH_MDS_OP_CREATE && req->r_reply_info.has_create_ino) { >> + ceph_init_acl(dentry, dentry->d_inode, dir); > > Same to above. > >> *opened |= FILE_CREATED; >> } >> err = finish_open(file, dentry, ceph_open, opened); >> -- >> 1.8.5.3 >> >> -- >> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >