[PATCH v3 2/5] dm: dm-zoned: guard blkdev_zone_mgmt with noio scope

Johannes Thumshirn
2024-01-29T07:52:38Z

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>
---
drivers/md/dm-zoned-metadata.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
index fdfe30f7b697..165996cc966c 100644
--- 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);

--
2.43.0