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([49.207.214.73]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-246687a59b1sm58202485ad.42.2025.08.24.23.04.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 24 Aug 2025 23:04:30 -0700 (PDT) From: "Nirjhar Roy (IBM)" To: fstests@vger.kernel.org Cc: linux-btrfs@vger.kernel.org, ritesh.list@gmail.com, ojaswin@linux.ibm.com, djwong@kernel.org, zlang@kernel.org, fdmanana@kernel.org, nirjhar.roy.lists@gmail.com, quwenruo.btrfs@gmx.com Subject: [PATCH v4 1/4] btrfs/301: Make the test compatible with all the supported block sizes Date: Mon, 25 Aug 2025 06:04:08 +0000 Message-Id: <6b1f91d25b925c19ec01845fa9bb8f6a58c29fd1.1756101620.git.nirjhar.roy.lists@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit With large block sizes like 64k the test failed with the following logs: QA output created by 301 basic accounting +subvol 256 mismatched usage 33947648 vs 4587520 (expected data 4194304 expected meta 393216 diff 29360128) +subvol 256 mismatched usage 168165376 vs 138805248 (expected data 138412032 expected meta 393216 diff 29360128) +subvol 256 mismatched usage 33947648 vs 4587520 (expected data 4194304 expected meta 393216 diff 29360128) +subvol 256 mismatched usage 33947648 vs 4587520 (expected data 4194304 expected meta 393216 diff 29360128) fallocate: Disk quota exceeded The test creates nr_fill files each of size 8k. Now with 64k block size, 8k sized files occupy more than the expected sizes (i.e, 8k) due to internal fragmentation, since 1 file will occupy at least 1 fsblock. Fix this by making the file size 64k, which is aligned with all the supported block sizes. Reviewed-by: Qu Wenruo Reviewed-by: Ojaswin Mujoo Reported-by: Disha Goel Signed-off-by: Nirjhar Roy (IBM) --- tests/btrfs/301 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/btrfs/301 b/tests/btrfs/301 index 6b59749d..be346f52 100755 --- a/tests/btrfs/301 +++ b/tests/btrfs/301 @@ -23,7 +23,7 @@ subv=$SCRATCH_MNT/subv nested=$SCRATCH_MNT/subv/nested snap=$SCRATCH_MNT/snap nr_fill=512 -fill_sz=$((8 * 1024)) +fill_sz=$((64 * 1024)) total_fill=$(($nr_fill * $fill_sz)) nodesize=$($BTRFS_UTIL_PROG inspect-internal dump-super $SCRATCH_DEV | \ grep nodesize | $AWK_PROG '{print $2}') -- 2.34.1