[lvm2-commits] main - aux: loop doesn't support zeroing discard

[Zdenek Kabelac]

Gitweb:       
https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=7cf5feb7d245d22d496...
Commit:        7cf5feb7d245d22d4968b95f3b7cfb6467461ff2
Parent:        bbc67abeed8a7a5f4a31c6dd0d3bf4cb26c6a50a
Author:        Zdenek Kabelac <zkabelac(a)redhat.com&gt;
AuthorDate:    Sun Apr 23 00:02:33 2023 +0200
Committer:     Zdenek Kabelac <zkabelac(a)redhat.com&gt;
CommitterDate: Sun Apr 23 00:02:33 2023 +0200

aux: loop doesn't support zeroing discard

To avoid logging unsupported WRITE_ZEROES with loop,
disable usage for this backend device.
---
 test/lib/aux.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/lib/aux.sh b/test/lib/aux.sh
index d6689e3b8..a385df76b 100644
--- a/test/lib/aux.sh
+++ b/test/lib/aux.sh
@@ -669,6 +669,7 @@ prepare_loop() {
 		done
 	fi
 	test -n "$LOOP" # confirm or fail
+	touch NO_BLKDISCARD_Z    # loop devices do not support WRITE_ZEROS
 	BACKING_DEV=$LOOP
 	echo "$LOOP" > LOOP
 	echo "$LOOP" > BACKING_DEV