Alan Cox wrote:
>>drivers' release functions. The release functions are already
>>serialized in the VFS code by an atomic_t which guarantees that each
>>
>The release function was only partially serialized - what stops a release
>and an open racing each other ? That in several cases was why the lock
>was there.
>
Nothing, because the BKL is not held for all opens anymore. In most of
the cases that we addressed, the BKL was in release _only_, not in open
at all. There were quite a few drivers where we added a spinlock, or
used atomic operations to keep open from racing with release.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Fri Nov 30 2001 - 21:00:32 EST