Re: 2.5 'what to expect'

[Dave Jones]

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: [phone] email: [e-mail]
 > http://lse.sourceforge.net/
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