From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Michael Albinus Newsgroups: gmane.emacs.bugs Subject: bug#35418: [PATCH] Don't poll auto-revert files that use notification Date: Sat, 04 May 2019 18:53:07 +0200 Message-ID: <87y33mgo0c.fsf@gmx.de> References: <83sgu71b91.fsf@gnu.org> <74CB5185-5DA1-4786-BD9C-9EEB3D43B3C1@acm.org> <83o94uz9h2.fsf@gnu.org> <875zqzssql.fsf@gmx.de> <83d0l7v193.fsf@gnu.org> <86EFE367-90FF-4786-BC91-FC28FAF38A4E@acm.org> <877ebdqmbj.fsf@gmx.de> <834l6gu6ee.fsf@gnu.org> <834l6eqdam.fsf@gnu.org> <8bbbdc62bee1dc16b6fd684e7da5ffac43f1e232.camel@acm.org> <87woj9nj77.fsf@gmx.de> <83r29fmz3f.fsf@gnu.org> <6b722334f6eaddcbbf3def636b5181c9439a172c.camel@acm.org> <831s1emvz7.fsf@gnu.org> <26e8159ac86da37d9cf555f6cb3f2dcb63ac0a67.camel@acm.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="83898"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: 35418@debbugs.gnu.org To: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat May 04 18:54:12 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hMxvQ-000LiM-0h for geb-bug-gnu-emacs@m.gmane.org; Sat, 04 May 2019 18:54:12 +0200 Original-Received: from localhost ([127.0.0.1]:58952 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hMxvO-000572-Uu for geb-bug-gnu-emacs@m.gmane.org; Sat, 04 May 2019 12:54:10 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:52847) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hMxvH-00056K-0i for bug-gnu-emacs@gnu.org; Sat, 04 May 2019 12:54:03 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hMxvG-0006Nf-48 for bug-gnu-emacs@gnu.org; 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Sat, 04 May 2019 12:53:22 -0400 Original-Received: from mout.gmx.net ([212.227.17.20]:50923) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hMxuZ-0002T1-IN for 35418@debbugs.gnu.org; Sat, 04 May 2019 12:53:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1556988789; bh=Hb114H5I6hAWjJXBT+CZo9i+PGidRyDifdC3OYaWJAo=; h=X-UI-Sender-Class:From:To:Cc:Subject:References:Date:In-Reply-To; b=RtW3bRY7d+3787RUyh0txlIvfMxAoEKNrxnhYh8aCKaqyyJUsUK1BTq/MGOKYQfWp NA9u5FES5oZvEIP4B7603oMBeLutEEGAzsB9djhmNC0XuF6hNrXlUai2xMntte4osO QFM2BW1I45joz7+cAofp1Nfn013vPb+E36BnxhFo= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Original-Received: from detlef.gmx.de ([212.86.57.229]) by mail.gmx.com (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MLR1f-1h5ZLj3EH5-00IQPA; Sat, 04 May 2019 18:53:08 +0200 In-Reply-To: <26e8159ac86da37d9cf555f6cb3f2dcb63ac0a67.camel@acm.org> ("Mattias \=\?utf-8\?Q\?Engdeg\=C3\=A5rd\=22's\?\= message of "Sat, 04 May 2019 13:21:19 +0200") X-Provags-ID: V03:K1:8HKyolNFtfdlLpE1cWV3LpiVtoFRPU2Zq8Sfp9NAr5yLXqGqi4e TiXfgQalUQE278Z7XIab1cEfrJpSVrcGN+G8Xmg6AEtolvJTD1QXSi2+huAOdzgdDAkDX+I 1bXEhejcrCxL+nYNNfh0Kvda6h707tKRkFz7KPCJgNTemRUS8bRgXlVvCu7b4hvObjBtnnG Rh+DM37Ku3SlRZWCUNTyQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:0yXWFs3mYCI=:iRnJexLcuRMsk9slbIlnjp h1Q/1lIc46saJ2Ia1SkJtfWmSpq/g6L/RL7gmu02LY7U9+w7ZbmWHDNDi3kDqIa/sviT2/AVO 3e/LWRIsRyf3CPv8rWaIkOHzoV3cYPqY9eZcSzrV47uS+KQpRz07a3EE2+QLfajmeRny+wPqB LIFYC7gdfHl1Dce5TSNNQDffk5dyq8CVSRU/kf6Yh1QQ41BMP+Kd4+lkFwkFLpGRzF+qVc9iy 6ozwDnW/sWx2jMF4y7Kc+/UBJ4YrDpW0fTDG+av4XcHFibZdg0RJEBGwJsJHRsaoYJGAnfKmm vQyy+YVQd6nXqmos8aap+3aa1V/AkKBTbSxgTYorZAXh3M+0GZn+XF+0zclqUx1zj6MhJGIpy k/6FVB/9Lz9Bwh8W4Cs6DX4vp28o0G8TknC9MkjICL50JFGqiRmhvKOIRbybtgGbYhvpG0m9P TSUQFGBha7LPzBJu4CFCq1eYxvUnv8/IFFSwgTrF08UURNiCcQdInyOt2U0ZJM8TXug9/35mg +l1k2tZsTqaoidOSlNtDS/uQNa2l0YZ6XQlMf4wtqUg/X1xIvuELpLyXwshjGXMfDlsDdGynE MxaonDf247FPfv58KekMbFywnvW/b1gW3BYkXm4DcID8Q0GZPga1/E02tB1uVQMUQAL2AXXY/ kYGLPssPGuTF1OaRgBFu5OXnET38/eSX1vL9YSg25Z2Qgw5k4lMVUmc/ZgCozQpYPDymsVTEy Wmx8ihnEgZRYYSP2ZlkZlsZ58a5EGvs7YGLuQSfUTw/n4b8aT+or05Z5EOxU5Ma1nBngGBJN X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:158747 Archived-At: Mattias Engdeg=C3=A5rd writes: Hi Mattias, > + By default, Auto Revert mode will poll files for changes > +periodically even when file notifications are used. Polling is > +unnecessary in many cases, and turning it off may save power by > +relying on notifications only. To do so, set the variable > @code{auto-revert-avoid-polling} to non-@code{nil}. However, > notification is ineffective on certain file systems; mainly network > file system on Unix-like machines, where files can be altered from > +other machines. For such file systems, polling may be necessary. Maybe we could also add the other major reason why polling is necessary: file notification is not supported for all types of remote file systems (Tramp). Best regards, Michael.