dm zoned: use GFP_NOIO in I/O path
Use GFP_NOIO for memory allocations in the I/O path. Other memory allocations in the initialization path can use GFP_KERNEL. Reported-by: NMikulas Patocka <mpatocka@redhat.com> Signed-off-by: NDamien Le Moal <damien.lemoal@wdc.com> Reviewed-by: NMikulas Patocka <mpatocka@redhat.com> Signed-off-by: NMike Snitzer <snitzer@redhat.com>
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