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Diffstat (limited to 'fs/btrfs/zoned.h')
-rw-r--r--fs/btrfs/zoned.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/btrfs/zoned.h b/fs/btrfs/zoned.h
index 74ec37a25808..b9cec523b778 100644
--- a/fs/btrfs/zoned.h
+++ b/fs/btrfs/zoned.h
@@ -22,6 +22,11 @@ struct btrfs_zoned_device_info {
u8 zone_size_shift;
u32 nr_zones;
unsigned int max_active_zones;
+ /*
+ * Reserved active zones for one metadata and one system block group.
+ * It can vary per-device depending on the allocation status.
+ */
+ int reserved_active_zones;
atomic_t active_zones_left;
unsigned long *seq_zones;
unsigned long *empty_zones;
@@ -78,6 +83,7 @@ void btrfs_zoned_release_data_reloc_bg(struct btrfs_fs_info *fs_info, u64 logica
int btrfs_zone_finish_one_bg(struct btrfs_fs_info *fs_info);
int btrfs_zoned_activate_one_bg(struct btrfs_fs_info *fs_info,
struct btrfs_space_info *space_info, bool do_finish);
+void btrfs_check_active_zone_reservation(struct btrfs_fs_info *fs_info);
#else /* CONFIG_BLK_DEV_ZONED */
static inline int btrfs_get_dev_zone(struct btrfs_device *device, u64 pos,
struct blk_zone *zone)
@@ -252,6 +258,8 @@ static inline int btrfs_zoned_activate_one_bg(struct btrfs_fs_info *fs_info,
return 0;
}
+static inline void btrfs_check_active_zone_reservation(struct btrfs_fs_info *fs_info) { }
+
#endif
static inline bool btrfs_dev_is_sequential(struct btrfs_device *device, u64 pos)