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Tue, 2 Jun 2026 10:14:33 +0000 (GMT) From: Disha Goel To: fstests@vger.kernel.org Cc: linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, ritesh.list@gmail.com, ojaswin@linux.ibm.com, Disha Goel Subject: [PATCH] common/defrag: Skip defrag tests on DAX-enabled filesystems Date: Tue, 2 Jun 2026 15:44:18 +0530 Message-ID: <20260602101418.55131-1-disgoel@linux.ibm.com> X-Mailer: git-send-email 2.45.1 Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-GUID: cvDjuCRlxJ_3bth_B4FHflSlKjLrKpvS X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjAyMDA5NiBTYWx0ZWRfXz6M21jrx9kNA nAQh/asBcjJ0mmYd9ABx0XiASTuII0neMcQKCJGfH3iOWFjUaWShuSwCgaqHs2NbTGa4Y3WrQ69 oDxyRLpEeO8vZEVpjnGDhesvyzf24qg6UeCmiTNySawYOfR+QnkgIfQ3s/D+JD5TLi03E00qshm HSfCibhqZlfXcC96DZpHbNZSFRh6BlGhCcxR8JRn+y9m4T4BB4uYheao3QSN/cfQxJ2M5dlyANd 2LSZ31P7vF6FJRWkcimqGWFFNbdIzKUdS/cfDY/mcsmD0dJtnsbiNTGcLKNtK1WeJBrqz9GuOix GVmRkMF+3mE70P/iDcBdjYNigPCn+XO9ghvO453XVeWGE3pMCbkkEcoXo/LH9YTstq3TEHmv+RE hzYlKCQqZt0pk+Ju4srlXU8dL7ZJliycK8C+3Z0KzeFOB+2NXi8QDArI67O+uvtexRGgn2wgy7T EJsvJ6QgQvl1uhaev9w== X-Proofpoint-ORIG-GUID: pGInta7codqcV-S1eGOsVw-RNNZvsb_g X-Authority-Analysis: v=2.4 cv=Vf3H+lp9 c=1 sm=1 tr=0 ts=6a1ead10 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VnNF1IyMAAAA:8 a=DIPEyOIrT3qq13wk904A:9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-02_01,2026-05-28_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 adultscore=0 bulkscore=0 impostorscore=0 phishscore=0 lowpriorityscore=0 malwarescore=0 clxscore=1011 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2606020096 Online defragmentation is not supported on DAX-enabled filesystems because DAX bypasses the page cache required for defrag operations. Add check in _require_defrag() to skip tests when DAX is enabled, avoiding false failures on ext4/301-304, ext4/308 and generic/018. Signed-off-by: Disha Goel --- common/defrag | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/common/defrag b/common/defrag index 055d0d0e..28db2f7a 100644 --- a/common/defrag +++ b/common/defrag @@ -6,6 +6,10 @@ _require_defrag() { + # Defragmentation is not supported on DAX-enabled filesystems + if echo "$MOUNT_OPTIONS" | grep -qw "dax"; then + _notrun "Defragmentation not supported on DAX-enabled filesystem" + fi case "$FSTYP" in xfs) # xfs_fsr does preallocates, require "falloc" -- 2.45.1