summaryrefslogtreecommitdiff
path: root/fs/bcachefs/alloc_background.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/bcachefs/alloc_background.h')
-rw-r--r--fs/bcachefs/alloc_background.h14
1 files changed, 12 insertions, 2 deletions
diff --git a/fs/bcachefs/alloc_background.h b/fs/bcachefs/alloc_background.h
index ae31a94be6f9..ba2c5557a3f0 100644
--- a/fs/bcachefs/alloc_background.h
+++ b/fs/bcachefs/alloc_background.h
@@ -141,7 +141,13 @@ static inline u64 alloc_lru_idx_fragmentation(struct bch_alloc_v4 a,
!bch2_bucket_sectors_fragmented(ca, a))
return 0;
- u64 d = bch2_bucket_sectors_dirty(a);
+ /*
+ * avoid overflowing LRU_TIME_BITS on a corrupted fs, when
+ * bucket_sectors_dirty is (much) bigger than bucket_size
+ */
+ u64 d = min(bch2_bucket_sectors_dirty(a),
+ ca->mi.bucket_size);
+
return div_u64(d * (1ULL << 31), ca->mi.bucket_size);
}
@@ -269,6 +275,7 @@ int bch2_trigger_alloc(struct btree_trans *, enum btree_id, unsigned,
enum btree_iter_update_trigger_flags);
int bch2_check_alloc_info(struct bch_fs *);
int bch2_check_alloc_to_lru_refs(struct bch_fs *);
+void bch2_dev_do_discards(struct bch_dev *);
void bch2_do_discards(struct bch_fs *);
static inline u64 should_invalidate_buckets(struct bch_dev *ca,
@@ -283,6 +290,7 @@ static inline u64 should_invalidate_buckets(struct bch_dev *ca,
return clamp_t(s64, want_free - free, 0, u.d[BCH_DATA_cached].buckets);
}
+void bch2_dev_do_invalidates(struct bch_dev *);
void bch2_do_invalidates(struct bch_fs *);
static inline struct bch_backpointer *alloc_v4_backpointers(struct bch_alloc_v4 *a)
@@ -306,7 +314,9 @@ u64 bch2_min_rw_member_capacity(struct bch_fs *);
void bch2_dev_allocator_remove(struct bch_fs *, struct bch_dev *);
void bch2_dev_allocator_add(struct bch_fs *, struct bch_dev *);
-void bch2_fs_allocator_background_exit(struct bch_fs *);
+void bch2_dev_allocator_background_exit(struct bch_dev *);
+void bch2_dev_allocator_background_init(struct bch_dev *);
+
void bch2_fs_allocator_background_init(struct bch_fs *);
#endif /* _BCACHEFS_ALLOC_BACKGROUND_H */