Re: VFS locking & HFS problems (2.4.6pre6)

[Alan Cox]

> Yup. It's the problem. It locks, then calls some alloc routines, which
> fills a cache and uses kmalloc with GFP_KERNEL.

Thats quite common. If it can safely sleep there without other deadlocks a
semaphore may be better

> Turning it into GFP_ATOMIC might not be the best idea as the HFS
> filesystem currently shares a single hfs_malloc() for everybody and
> turning it into GFP_ATOMIC would cause all of HFS allocs to be atomic.

Another approach is to prealloc the object and pass it in, then free it
if not needed