Re: Concurrent read/writes on the same file
Jamie Lokier (lkd@tantalophile.demon.co.uk)
Sun, 13 Dec 1998 17:21:55 +0000
On Sun, Dec 13, 1998 at 09:49:46AM -0400, Horst von Brand wrote:
> I wrote:
> > Wouldn't a per-inode rwlock_t be efficient for this? (Instead of the
> > current per-inode writer semaphore).
>
> reads/writes are not guaranteed to finish quickly, son spinlocks aren't
> appropiate here.
Oh, darn. I didn't notice rwlock_t was a spinlock.
Consider the name misleading!
I meant a read-write semaphore, which it appears we don't have.
Why not?
-- Jamie
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