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Tue, 10 Jan 2023 19:04:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B1CDBC43396; Tue, 10 Jan 2023 19:04:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673377449; bh=y7EJfcMY/StD0BzUoTQruwXSI1p0oqW6ITb/hdOvcrQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CLZxihBAiJLZVfs0Gql2wf2QPPpAjOoIvVTvC1iFyj15MBftu/CkfH34Vda0M8H6A LVdNE4VpqvAcjUx/zCJtqza160cp3d50h7xIVoxs60At+V3fa0aN6iunDJ7NIIJT0Y uLELoRXyzQpaM/X4QQJzBSrER3vmzj0DSOzyhP+cmAqIO2ldcW1K5BrRXmvprqlOio kWJAaRkw33Y7Qb2FfE3pAkEjdB919Knkdv2dqXm3aJMFHqS3pmTEWyFN8SzIhwt0tx J9xaMoKq9Ad7/6vJKGdeOLKcMhTsN2yzZvnJLAmfSx3F+TGIGrmbMuIwiZejTfiXQw gS7Fy5LrDtfzw== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , Shuah Khan , damon@lists.linux.dev, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 7/8] selftests/damon/sysfs: hide expected write failures Date: Tue, 10 Jan 2023 19:03:59 +0000 Message-Id: <20230110190400.119388-8-sj@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230110190400.119388-1-sj@kernel.org> References: <20230110190400.119388-1-sj@kernel.org> MIME-Version: 1.0 X-Stat-Signature: kt6y4g61pbtgckxy8hfrxpu8qyyhf4uk X-Rspam-User: X-Rspamd-Queue-Id: 5D58A160018 X-Rspamd-Server: rspam06 X-HE-Tag: 1673377450-343879 X-HE-Meta: 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 tz/Wq53C CozJKdDTNagYNli0pNtKeg33rKkS6v72Mng8RafkKaUmpeH0ATjCHZCoGJQW+1zRTjZLH X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: DAMON selftests for sysfs (sysfs.sh) tests if some writes to DAMON sysfs interface files fails as expected. It makes the test results noisy with the failure error message because it tests a number of such failures. Redirect the expected failure error messages to /dev/null to make the results clean. Signed-off-by: SeongJae Park --- tools/testing/selftests/damon/sysfs.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/damon/sysfs.sh b/tools/testing/selftests/damon/sysfs.sh index a00336ffdcad..bcd4734ca094 100644 --- a/tools/testing/selftests/damon/sysfs.sh +++ b/tools/testing/selftests/damon/sysfs.sh @@ -24,7 +24,7 @@ ensure_write_fail() content=$2 reason=$3 - if echo "$content" > "$file" + if (echo "$content" > "$file") 2> /dev/null then echo "writing $content to $file succeed ($fail_reason)" echo "expected failure because $reason"