From: Al Viro <viro@ZenIV.linux.org.uk>
To: Ian Kent <raven@themaw.net>
Cc: Valerie Aurora <vaurora@redhat.com>,
linux-fsdevel@vger.kernel.org, Jan Blunck <jblunck@suse.de>,
autofs@linux.kernel.org, sfrench@samba.org,
Trond.Myklebust@netapp.com, David Howells <dhowells@redhat.com>
Subject: Re: [PATCH 1/7] autofs4: Save autofs trigger's vfsmount in super block info
Date: Sun, 17 Jan 2010 17:57:23 +0000 [thread overview]
Message-ID: <20100117175723.GP19799@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20100116101714.GN19799@ZenIV.linux.org.uk>
On Sat, Jan 16, 2010 at 10:17:14AM +0000, Al Viro wrote:
> * [unsolved, to be dealt along with per-superblock write counts]
> do_remount() plays fast and loose with MNT_READONLY for !MS_BIND case.
> * [*really* unsolved] it remains to be seen whether we want to
> propagate modifications of mount flags via shared subtree stuff. For most
> of those it's trivial (and arguably the right thing to do), but ro/rw is
> really nasty. Nick's mnt_want_write() implementation will need very careful
> analysis.
Speaking of autofs4, what the hell is going on in
autofs_dev_ioctl_ismountpoint()? Checks in there make no sense,
both the "could that dentry be negative?" and whatever the hell
it is trying to do with mnt_mountpoint. Ian?
next prev parent reply other threads:[~2010-01-17 17:57 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-23 23:36 [PATCH 0/7] VFS prep for union mounts/writable overlays Valerie Aurora
2009-12-23 23:36 ` [PATCH 1/7] autofs4: Save autofs trigger's vfsmount in super block info Valerie Aurora
2009-12-23 23:36 ` [PATCH 2/7] VFS: Make lookup_hash() return a struct path Valerie Aurora
2009-12-23 23:36 ` [PATCH 3/7] VFS: Make real_lookup() " Valerie Aurora
2009-12-23 23:37 ` [PATCH 4/7] VFS: Propagate mnt_flags into do_loopback Valerie Aurora
2009-12-23 23:37 ` [PATCH 5/7] VFS: Add read-only users count to superblock Valerie Aurora
2009-12-23 23:37 ` [PATCH 6/7] VFS: BUG_ON() rehash of an already hashed dentry Valerie Aurora
2009-12-23 23:37 ` [PATCH 7/7] VFS: Remove unnecessary micro-optimization in cached_lookup() Valerie Aurora
2010-01-02 0:44 ` [PATCH 1/7] autofs4: Save autofs trigger's vfsmount in super block info Ian Kent
2010-01-14 5:43 ` Al Viro
2010-01-14 19:18 ` Valerie Aurora
2010-01-15 6:05 ` Ian Kent
2010-01-15 8:03 ` Al Viro
2010-01-15 14:55 ` David Howells
2010-01-15 16:58 ` Al Viro
2010-01-15 17:08 ` David Howells
2010-01-15 17:26 ` Al Viro
2010-01-16 10:17 ` Al Viro
2010-01-17 17:57 ` Al Viro [this message]
2010-01-18 4:21 ` Ian Kent
2010-01-18 5:59 ` Al Viro
2010-01-18 9:14 ` Ian Kent
2010-01-18 10:27 ` Al Viro
2010-01-18 19:35 ` Trond Myklebust
2010-01-25 8:16 ` H. Peter Anvin
2010-01-19 7:05 ` Ian Kent
2010-01-15 17:36 ` Steve French
2010-01-18 5:08 ` Ian Kent
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