From: Disha Goel <disgoel@linux.ibm.com>
Date: Mon, 8 Jun 2026 10:23:28 +0000 (+0530)
Subject: common/defrag: skip defrag tests on DAX-enabled filesystems
X-Git-Tag: v2026.06.21^0
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=acb6d4cb84205a8e3f19ca470cfcf7bf6d93a509;p=xfstests-dev.git

common/defrag: skip defrag tests on DAX-enabled filesystems

Online defragmentation is not supported on ext4 DAX-enabled filesystems.
The ext4 defrag ioctl (EXT4_IOC_MOVE_EXT) returns EOPNOTSUPP when used
on DAX files.

Add an ext4-specific check in _require_defrag() to skip tests when DAX
is enabled, avoiding false failures on ext4/301-304, ext4/308, and
generic/018.

XFS defrag works with DAX, so this check is ext4-specific.

Suggested-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Disha Goel <disgoel@linux.ibm.com>
Reviewed-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
Reviewed-by: Zorro Lang <zlang@kernel.org>
Signed-off-by: Zorro Lang <zlang@kernel.org>
---

diff --git a/common/defrag b/common/defrag
index 055d0d0e..baf05d94 100644
--- a/common/defrag
+++ b/common/defrag
@@ -13,6 +13,8 @@ _require_defrag()
         DEFRAG_PROG="$XFS_FSR_PROG"
 	;;
     ext4)
+        __scratch_uses_fsdax && _notrun "ext4 online defrag not supported with DAX"
+
 	testfile="$TEST_DIR/$$-test.defrag"
 	donorfile="$TEST_DIR/$$-donor.defrag"
 	bsize=`_get_block_size $TEST_DIR`