Re: [PATCH] loop: fput() called in loop_clr_fd() may cause bd_mutexrecursive locking

[Al Viro]

On Sun, Dec 18, 2011 at 02:20:53AM +0300, Sergey Senozhatsky wrote:

> > IOW, we have to prevent such setups anyway and not just because of
> > problems on close() - they would be deadly on read() and write()...
> > 
> 
> Preventing recursion in the first place? For example, in lo_open()?

Uh?  No, in loop_set_fd(), where we decide what loop devices will be
backed by what - the code I quoted to you upthread.
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