Date: Thu, 25 Jun 2015 21:53:52 +0200 From: Edward Tomasz =?utf-8?Q?Napiera=C5=82a?= <trasz@FreeBSD.org> To: Bruce Evans <brde@optusnet.com.au> Cc: Mateusz Guzik <mjguzik@gmail.com>, freebsd-fs@freebsd.org Subject: Re: atomic v_usecount and v_holdcnt Message-ID: <20150625195352.GB1042@brick.home> In-Reply-To: <20150626042546.Q2820@besplex.bde.org> References: <20141122002812.GA32289@dft-labs.eu> <20141122092527.GT17068@kib.kiev.ua> <20141122211147.GA23623@dft-labs.eu> <20141124095251.GH17068@kib.kiev.ua> <20150314225226.GA15302@dft-labs.eu> <20150316094643.GZ2379@kib.kiev.ua> <20150317014412.GA10819@dft-labs.eu> <20150318104442.GS2379@kib.kiev.ua> <20150625123156.GA29667@dft-labs.eu> <20150626042546.Q2820@besplex.bde.org>
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On 0626T0429, Bruce Evans wrote: > On Thu, 25 Jun 2015, Mateusz Guzik wrote: > > > On Wed, Mar 18, 2015 at 12:44:42PM +0200, Konstantin Belousov wrote: > >> On Tue, Mar 17, 2015 at 02:44:12AM +0100, Mateusz Guzik wrote: > > >>> I replaced them with refcount_acquire_if_not_zero and > >>> refcount_release_if_not_last. > >> I dislike the length of the names. Can you propose something shorter ? > > > > Unfortunately the original API is alreday quite verbose and I don't have > > anything readable which would retain "refcount_acquire" (instead of a > > "ref_get" or "ref_acq"). Adding "_nz" as a suffix does not look good > > ("refcount_acquire_if_nz"). > > refcount -> rc > acquire -> acq > > The "acq" abbreviation is already used a lot for atomic ops. How about refcount_acquire_gt_0() and refcount_release_gt_1()1?
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