*/
#define BTRFS_MAX_ZONE_SIZE SZ_8G
+#define SUPER_INFO_SECTORS ((u64)BTRFS_SUPER_INFO_SIZE >> SECTOR_SHIFT)
+
+static inline bool sb_zone_is_full(const struct blk_zone *zone)
+{
+ return (zone->cond == BLK_ZONE_COND_FULL) ||
+ (zone->wp + SUPER_INFO_SECTORS > zone->start + zone->capacity);
+}
+
static int copy_zone_info_cb(struct blk_zone *zone, unsigned int idx, void *data)
{
struct blk_zone *zones = data;
bool empty[BTRFS_NR_SB_LOG_ZONES];
bool full[BTRFS_NR_SB_LOG_ZONES];
sector_t sector;
+ int i;
- ASSERT(zones[0].type != BLK_ZONE_TYPE_CONVENTIONAL &&
- zones[1].type != BLK_ZONE_TYPE_CONVENTIONAL);
-
- empty[0] = (zones[0].cond == BLK_ZONE_COND_EMPTY);
- empty[1] = (zones[1].cond == BLK_ZONE_COND_EMPTY);
- full[0] = (zones[0].cond == BLK_ZONE_COND_FULL);
- full[1] = (zones[1].cond == BLK_ZONE_COND_FULL);
+ for (i = 0; i < BTRFS_NR_SB_LOG_ZONES; i++) {
+ ASSERT(zones[i].type != BLK_ZONE_TYPE_CONVENTIONAL);
+ empty[i] = (zones[i].cond == BLK_ZONE_COND_EMPTY);
+ full[i] = sb_zone_is_full(&zones[i]);
+ }
/*
* Possible states of log buffer zones
reset = &zones[1];
if (reset && reset->cond != BLK_ZONE_COND_EMPTY) {
- ASSERT(reset->cond == BLK_ZONE_COND_FULL);
+ ASSERT(sb_zone_is_full(reset));
ret = blkdev_zone_mgmt(bdev, REQ_OP_ZONE_RESET,
reset->start, reset->len,