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[49.181.60.96]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-308613b3849sm173097a91.38.2025.04.15.16.36.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Apr 2025 16:36:45 -0700 (PDT) Received: from dave by dread.disaster.area with local (Exim 4.98) (envelope-from ) id 1u4ppa-000000095Ld-1az4; Wed, 16 Apr 2025 09:36:42 +1000 Date: Wed, 16 Apr 2025 09:36:42 +1000 From: Dave Chinner To: Christoph Hellwig Cc: zlang@kernel.org, fstests@vger.kernel.org, linux-xfs@vger.kernel.org Subject: Re: [PATCH] common: remove USE_EXTERNAL Message-ID: References: <20250414054205.361383-1-hch@lst.de> Precedence: bulk X-Mailing-List: linux-xfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250414054205.361383-1-hch@lst.de> On Mon, Apr 14, 2025 at 07:42:05AM +0200, Christoph Hellwig wrote: > The USE_EXTERNAL variable indicates that dedicated log or RT devices are > in use for the scratch and possibly test device. It gets automatically > set when needed No it isn't - it's explicitly controlled by config file parsing and/or config env variable setup. > and generally does not provide any benefit over simply > testing the SCRATCH_LOGDEV and SCRATCH_RTDEV variables. > > Remove it and replace that test with test for SCRATCH_LOGDEV and > SCRATCH_RTDEV, using the more readable if-based syntaxt for all tests > touched by this change. This breaks the way I've set up check-parallel devices. I always create the external devices, and then trigger where they are in use by config sections that define USE_EXTERNAL. Hence changing all this code to check if SCRATCH_LOGDEV and/or SCRATCH_RTDEV are defined instead of gating them on USE_EXTERNAL breaks any test environment that has those devices defined but does not set USE_EXTERNAL.... -Dave. -- Dave Chinner david@fromorbit.com