Thread (4 messages) 4 messages, 2 authors, 2018-02-27

Re: [PATCH RFC] sbitmap: Use lock/unlock atomic bitops

From: Omar Sandoval <osandov@osandov.com>
Date: 2018-02-27 20:29:38

On Tue, Feb 27, 2018 at 10:14:04AM -0800, Tejun Heo wrote:
Hello, Omar.

On Mon, Feb 26, 2018 at 02:14:44PM -0800, Omar Sandoval wrote:
quoted
quoted
 	wake_index = atomic_read(&sbq->wake_index);
 	for (i = 0; i < SBQ_WAIT_QUEUES; i++) {
 		struct sbq_wait_state *ws = &sbq->ws[wake_index];
So I think we want a patch for the test_and_set_bit_lock() and
clear_bit_unlock(), but the rest should stay as-is.
Yeah, that makes sense to me.  Would you be interested in updating the
patch?
Yup, I'll send it up. Thanks, Tejun!
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