dm: dm-zoned: guard blkdev_zone_mgmt with noio scope

Guard the calls to blkdev_zone_mgmt() with a memalloc_noio scope.
This helps us getting rid of the GFP_NOIO argument to blkdev_zone_mgmt();

Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Mike Snitzer <snitzer@kernel.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20240128-zonefs_nofs-v3-2-ae3b7c8def61@wdc.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
index fdfe30f7b6973d76fac4a50f6b41f6b2f4102168..165996cc966c4526a1bd8a9cac698966feef187b 100644 (file)
--- a/drivers/md/dm-zoned-metadata.c
+++ b/drivers/md/dm-zoned-metadata.c
@@ -1655,10 +1655,13 @@ static int dmz_reset_zone(struct dmz_metadata *zmd, struct dm_zone *zone)
 
        if (!dmz_is_empty(zone) || dmz_seq_write_err(zone)) {
                struct dmz_dev *dev = zone->dev;
+               unsigned int noio_flag;
 
+               noio_flag = memalloc_noio_save();
                ret = blkdev_zone_mgmt(dev->bdev, REQ_OP_ZONE_RESET,
                                       dmz_start_sect(zmd, zone),
-                                      zmd->zone_nr_sectors, GFP_NOIO);
+                                      zmd->zone_nr_sectors, GFP_KERNEL);
+               memalloc_noio_restore(noio_flag);
                if (ret) {
                        dmz_dev_err(dev, "Reset zone %u failed %d",
                                    zone->id, ret);