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dm vdo: use GFP_NOIO for blkdev_issue_zeroout on format path

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GFP_NOWAIT is inappropriate when blkdev_issue_zeroout may sleep and
bio_alloc can fail under pressure; use GFP_NOIO for clear_partition and
vdo_clear_layout zeroout calls.

Signed-off-by: Bruce Johnston <bjohnsto@redhat.com>
Signed-off-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Fixes: fc1d438267 ("dm vdo: save the formatted metadata to disk")
This commit is contained in:
Bruce Johnston 2026-04-28 14:39:31 -04:00 committed by Mikulas Patocka
parent 8c0ee19db8
commit fb7415f2ab
1 changed files with 2 additions and 2 deletions
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4
drivers/md/dm-vdo/vdo.c
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@ -965,7 +965,7 @@ static int __must_check clear_partition(struct vdo *vdo, enum partition_id id)
return blkdev_issue_zeroout(vdo_get_backing_device(vdo),
partition->offset * VDO_SECTORS_PER_BLOCK,
partition->count * VDO_SECTORS_PER_BLOCK,
GFP_NOWAIT, 0);
GFP_NOIO, 0);
}
int vdo_clear_layout(struct vdo *vdo)
@ -976,7 +976,7 @@ int vdo_clear_layout(struct vdo *vdo)
result = blkdev_issue_zeroout(vdo_get_backing_device(vdo),
VDO_SECTORS_PER_BLOCK,
VDO_SECTORS_PER_BLOCK,
GFP_NOWAIT, 0);
GFP_NOIO, 0);
if (result != VDO_SUCCESS)
return result;