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Diffstat (limited to 'fs/bcachefs/alloc_background.h')
-rw-r--r--fs/bcachefs/alloc_background.h59
1 files changed, 40 insertions, 19 deletions
diff --git a/fs/bcachefs/alloc_background.h b/fs/bcachefs/alloc_background.h
index 97042067d2a9..2790e516383d 100644
--- a/fs/bcachefs/alloc_background.h
+++ b/fs/bcachefs/alloc_background.h
@@ -71,6 +71,24 @@ static inline enum bch_data_type bucket_data_type(enum bch_data_type data_type)
return data_type == BCH_DATA_stripe ? BCH_DATA_user : data_type;
}
+static inline unsigned bch2_bucket_sectors(struct bch_alloc_v4 a)
+{
+ return a.dirty_sectors + a.cached_sectors;
+}
+
+static inline unsigned bch2_bucket_sectors_dirty(struct bch_alloc_v4 a)
+{
+ return a.dirty_sectors;
+}
+
+static inline unsigned bch2_bucket_sectors_fragmented(struct bch_dev *ca,
+ struct bch_alloc_v4 a)
+{
+ int d = bch2_bucket_sectors_dirty(a);
+
+ return d ? max(0, ca->mi.bucket_size - d) : 0;
+}
+
static inline u64 alloc_lru_idx_read(struct bch_alloc_v4 a)
{
return a.data_type == BCH_DATA_cached ? a.io_time[READ] : 0;
@@ -90,10 +108,11 @@ static inline u64 alloc_lru_idx_fragmentation(struct bch_alloc_v4 a,
struct bch_dev *ca)
{
if (!data_type_movable(a.data_type) ||
- a.dirty_sectors >= ca->mi.bucket_size)
+ !bch2_bucket_sectors_fragmented(ca, a))
return 0;
- return div_u64((u64) a.dirty_sectors * (1ULL << 31), ca->mi.bucket_size);
+ u64 d = bch2_bucket_sectors_dirty(a);
+ return div_u64(d * (1ULL << 31), ca->mi.bucket_size);
}
static inline u64 alloc_freespace_genbits(struct bch_alloc_v4 a)
@@ -107,13 +126,17 @@ static inline struct bpos alloc_freespace_pos(struct bpos pos, struct bch_alloc_
return pos;
}
-static inline unsigned alloc_v4_u64s(const struct bch_alloc_v4 *a)
+static inline unsigned alloc_v4_u64s_noerror(const struct bch_alloc_v4 *a)
{
- unsigned ret = (BCH_ALLOC_V4_BACKPOINTERS_START(a) ?:
+ return (BCH_ALLOC_V4_BACKPOINTERS_START(a) ?:
BCH_ALLOC_V4_U64s_V0) +
BCH_ALLOC_V4_NR_BACKPOINTERS(a) *
(sizeof(struct bch_backpointer) / sizeof(u64));
+}
+static inline unsigned alloc_v4_u64s(const struct bch_alloc_v4 *a)
+{
+ unsigned ret = alloc_v4_u64s_noerror(a);
BUG_ON(ret > U8_MAX - BKEY_U64s);
return ret;
}
@@ -149,13 +172,13 @@ struct bkey_i_alloc_v4 *bch2_alloc_to_v4_mut(struct btree_trans *, struct bkey_s
int bch2_bucket_io_time_reset(struct btree_trans *, unsigned, size_t, int);
-int bch2_alloc_v1_invalid(const struct bch_fs *, struct bkey_s_c,
+int bch2_alloc_v1_invalid(struct bch_fs *, struct bkey_s_c,
enum bkey_invalid_flags, struct printbuf *);
-int bch2_alloc_v2_invalid(const struct bch_fs *, struct bkey_s_c,
+int bch2_alloc_v2_invalid(struct bch_fs *, struct bkey_s_c,
enum bkey_invalid_flags, struct printbuf *);
-int bch2_alloc_v3_invalid(const struct bch_fs *, struct bkey_s_c,
+int bch2_alloc_v3_invalid(struct bch_fs *, struct bkey_s_c,
enum bkey_invalid_flags, struct printbuf *);
-int bch2_alloc_v4_invalid(const struct bch_fs *, struct bkey_s_c,
+int bch2_alloc_v4_invalid(struct bch_fs *, struct bkey_s_c,
enum bkey_invalid_flags, struct printbuf *);
void bch2_alloc_v4_swab(struct bkey_s);
void bch2_alloc_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
@@ -163,24 +186,21 @@ void bch2_alloc_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
#define bch2_bkey_ops_alloc ((struct bkey_ops) { \
.key_invalid = bch2_alloc_v1_invalid, \
.val_to_text = bch2_alloc_to_text, \
- .trans_trigger = bch2_trans_mark_alloc, \
- .atomic_trigger = bch2_mark_alloc, \
+ .trigger = bch2_trigger_alloc, \
.min_val_size = 8, \
})
#define bch2_bkey_ops_alloc_v2 ((struct bkey_ops) { \
.key_invalid = bch2_alloc_v2_invalid, \
.val_to_text = bch2_alloc_to_text, \
- .trans_trigger = bch2_trans_mark_alloc, \
- .atomic_trigger = bch2_mark_alloc, \
+ .trigger = bch2_trigger_alloc, \
.min_val_size = 8, \
})
#define bch2_bkey_ops_alloc_v3 ((struct bkey_ops) { \
.key_invalid = bch2_alloc_v3_invalid, \
.val_to_text = bch2_alloc_to_text, \
- .trans_trigger = bch2_trans_mark_alloc, \
- .atomic_trigger = bch2_mark_alloc, \
+ .trigger = bch2_trigger_alloc, \
.min_val_size = 16, \
})
@@ -188,12 +208,11 @@ void bch2_alloc_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
.key_invalid = bch2_alloc_v4_invalid, \
.val_to_text = bch2_alloc_to_text, \
.swab = bch2_alloc_v4_swab, \
- .trans_trigger = bch2_trans_mark_alloc, \
- .atomic_trigger = bch2_mark_alloc, \
+ .trigger = bch2_trigger_alloc, \
.min_val_size = 48, \
})
-int bch2_bucket_gens_invalid(const struct bch_fs *, struct bkey_s_c,
+int bch2_bucket_gens_invalid(struct bch_fs *, struct bkey_s_c,
enum bkey_invalid_flags, struct printbuf *);
void bch2_bucket_gens_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
@@ -213,8 +232,8 @@ static inline bool bkey_is_alloc(const struct bkey *k)
int bch2_alloc_read(struct bch_fs *);
-int bch2_trans_mark_alloc(struct btree_trans *, enum btree_id, unsigned,
- struct bkey_s_c, struct bkey_i *, unsigned);
+int bch2_trigger_alloc(struct btree_trans *, enum btree_id, unsigned,
+ struct bkey_s_c, struct bkey_s, unsigned);
int bch2_check_alloc_info(struct bch_fs *);
int bch2_check_alloc_to_lru_refs(struct bch_fs *);
void bch2_do_discards(struct bch_fs *);
@@ -249,10 +268,12 @@ int bch2_dev_freespace_init(struct bch_fs *, struct bch_dev *, u64, u64);
int bch2_fs_freespace_init(struct bch_fs *);
void bch2_recalc_capacity(struct bch_fs *);
+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_fs_allocator_background_init(struct bch_fs *);
#endif /* _BCACHEFS_ALLOC_BACKGROUND_H */