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authorNaohiro Aota <naohiro.aota@wdc.com>2021-03-03 17:55:46 +0900
committerDavid Sterba <dsterba@suse.com>2021-03-04 16:16:55 +0100
commitd734492a14a2da6e7bcce8cf66436a9cf4e51ddf (patch)
tree018cb1ae1b40a6acc0a4154e0ead48259ad40f7f
parentc28ea613fafad910d08f67efe76ae552b1434e44 (diff)
downloadlinux-stericsson-d734492a14a2da6e7bcce8cf66436a9cf4e51ddf.tar.gz
btrfs: zoned: use sector_t for zone sectors
We need to use sector_t for zone_sectors, or it would set the zone size to zero when the size >= 4GB (= 2^24 sectors) by shifting the zone_sectors value by SECTOR_SHIFT. We're assuming zones sizes up to 8GiB. Fixes: 5b316468983d ("btrfs: get zone information of zoned block devices") Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
-rw-r--r--fs/btrfs/zoned.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c
index 9a5cf153da89..43948bd40e02 100644
--- a/fs/btrfs/zoned.c
+++ b/fs/btrfs/zoned.c
@@ -269,7 +269,7 @@ int btrfs_get_dev_zone_info(struct btrfs_device *device)
sector_t sector = 0;
struct blk_zone *zones = NULL;
unsigned int i, nreported = 0, nr_zones;
- unsigned int zone_sectors;
+ sector_t zone_sectors;
char *model, *emulated;
int ret;
@@ -658,7 +658,7 @@ int btrfs_sb_log_location_bdev(struct block_device *bdev, int mirror, int rw,
u64 *bytenr_ret)
{
struct blk_zone zones[BTRFS_NR_SB_LOG_ZONES];
- unsigned int zone_sectors;
+ sector_t zone_sectors;
u32 sb_zone;
int ret;
u8 zone_sectors_shift;