Folder can be renamed with an open file inside the same folder from different client
jra at samba.org
Fri Oct 4 10:35:01 MDT 2013
On Fri, Oct 04, 2013 at 09:32:53AM -0700, Jeremy Allison wrote:
> On Fri, Oct 04, 2013 at 08:49:22AM -0400, David Collier-Brown wrote:
> > The Windows behaviour sounds like a limitation of (at least one of)
> > their directory implementations. If the file systems used by samba do
> > not have that limitation, reproducing the limitation sounds like*
> > introducing a disfeature.
> > Two questions seem relevant
> > 1. Does anyone depend on this bug? If someone needs a file-tree to be
> > unchangeable and/or unreadable during a rename, then reproducing the
> > bug/disfeature is desirable in cases where one is trying to provide
> > backwards compatibility, or perhaps if one is consciously trying
> > provide a strict subset of capabilities. Similarly, does anyone open
> > a file because they need to lock a filetree against a rename operation?
> The trouble is we don't know. There are so many Windows apps
> out there, that who knows if this is a requirement for some
> app that someone depends on ?
> The other issue is enumerating the open file table on rename/
> deletion kills clustered fileserver performance :-(.
Remembering, we do have the option to enumerate the open
file handles quickly inside a single smbd process, using the
theory that apps that need this are running on a single
client as they're worried about conflicting with their
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