Re: [PATCH][2.5] convert atm_dev_lock from spinlock to semaphore

[chas williams]

In message <[e-mail]>,Matthew Wilcox writes:
>you seem to be under the impression that <linux/sem.h> has something
>to do with linux semaphores.  this is not the case; they're sysv semaphores.

sorry about that.  i just picked what seemed like likely culprits for
header files.

>apart from this, i think it's a pretty bad idea to just replace the
>spinlocks with semaphores.  atm really needs fixing properly.

yes, atm_dev_lock is wrapped around large chunks of the code. however,
it should probably never have been a spinlock--it certainly doesnt need
to be one.  as a mutex its far less offensive.  i am willing to take
suggestions as to what would need to be done to fix atm properly?