Messages in this thread | | | Date | Tue, 23 Mar 2010 15:15:50 +0000 | From | Al Viro <> | Subject | Re: [PATCH] Introduce freeze_super and thaw_super for the fsfreeze ioctl |
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On Tue, Mar 23, 2010 at 03:12:46PM +0000, Al Viro wrote: > On Tue, Mar 23, 2010 at 03:09:23PM +0000, Al Viro wrote: > > On Tue, Mar 23, 2010 at 11:03:01AM -0400, Josef Bacik wrote: > > > > sb is an active reference > > > > > > > > > > I don't understand how this is an active reference? We are talking about > > > s_active right? > > > > It's an opened file, for crying out loud! If there is anything that makes > > sure that superblock will stay alive, that is it...
Grr... Make that "is alive and can be aliased without any problems, so atomic_inc(sb->s_active) in caller would do just fine."
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