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SubjectRe: 2.5 'what to expect'
On Mon, Jul 14, 2003 at 12:21:16PM +0530, Maneesh Soni wrote:
> Can you add the following two points appended to the Generic VFS changes list?
>
> Thanks
> Maneesh

I had considered putting such things in there a while ago, but wanted
the doc to just let _users_ know what changes they should be aware of.
This sort of thing really belongs in a 2.5-api-changes.txt or the likes.
(Which I did ponder doing at one point, but time got the better of me).

Dave


> On Fri, Jul 11, 2003 at 02:04:59PM +0000, Dave Jones wrote:
> [...]
> >
> > Generic VFS changes.
> > ~~~~~~~~~~~~~~~~~~~~
> > - Since Linux 2.5.1 it is possible to atomically move a subtree to
> > another place. The call is...
> > mount --move olddir newdir
> > - Since 2.5.43, dmask=value sets the umask applied to directories only.
> > The default is the umask of the current process.
> > The fmask=value sets the umask applied to regular files only.
> > Again, the default is the umask of the current process.
> - Since 2.5.62, dcache lookup is dcache_lock free. This does not affect
> normal filesystems as long as they follow proper dcache interfaces. Care
> should be taken (like holding per dentry lock) if one is racing with
> d_lookup bringing a new dentry in dcache.
> - Since 2.5.75-bk1 onwards separate lock is used for vfsmounts instead of
> dcache_lock.
>
>
> --
> Maneesh Soni
> IBM Linux Technology Center,
> IBM India Software Lab, Bangalore.
> Phone: +91-80-5044999 email: maneesh@in.ibm.com
> http://lse.sourceforge.net/
---end quoted text---
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