mirror of
https://github.com/koverstreet/bcachefs-tools.git
synced 2025-02-02 00:00:03 +03:00
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
#ifndef _BCACHEFS_JOURNAL_RECLAIM_H
|
|
#define _BCACHEFS_JOURNAL_RECLAIM_H
|
|
|
|
#define JOURNAL_PIN (32 * 1024)
|
|
|
|
enum journal_space_from {
|
|
journal_space_discarded,
|
|
journal_space_clean_ondisk,
|
|
journal_space_clean,
|
|
};
|
|
|
|
unsigned bch2_journal_dev_buckets_available(struct journal *,
|
|
struct journal_device *,
|
|
enum journal_space_from);
|
|
void bch2_journal_space_available(struct journal *);
|
|
|
|
static inline bool journal_pin_active(struct journal_entry_pin *pin)
|
|
{
|
|
return pin->seq != 0;
|
|
}
|
|
|
|
static inline struct journal_entry_pin_list *
|
|
journal_seq_pin(struct journal *j, u64 seq)
|
|
{
|
|
EBUG_ON(seq < j->pin.front || seq >= j->pin.back);
|
|
|
|
return &j->pin.data[seq & j->pin.mask];
|
|
}
|
|
|
|
void bch2_journal_pin_put(struct journal *, u64);
|
|
|
|
void bch2_journal_pin_add(struct journal *, u64, struct journal_entry_pin *,
|
|
journal_pin_flush_fn);
|
|
void bch2_journal_pin_update(struct journal *, u64, struct journal_entry_pin *,
|
|
journal_pin_flush_fn);
|
|
void bch2_journal_pin_drop(struct journal *, struct journal_entry_pin *);
|
|
void bch2_journal_pin_add_if_older(struct journal *,
|
|
struct journal_entry_pin *,
|
|
struct journal_entry_pin *,
|
|
journal_pin_flush_fn);
|
|
void bch2_journal_pin_flush(struct journal *, struct journal_entry_pin *);
|
|
|
|
void bch2_journal_do_discards(struct journal *);
|
|
void bch2_journal_reclaim(struct journal *);
|
|
void bch2_journal_reclaim_work(struct work_struct *);
|
|
|
|
void bch2_journal_flush_pins(struct journal *, u64);
|
|
|
|
static inline void bch2_journal_flush_all_pins(struct journal *j)
|
|
{
|
|
bch2_journal_flush_pins(j, U64_MAX);
|
|
}
|
|
|
|
int bch2_journal_flush_device_pins(struct journal *, int);
|
|
|
|
#endif /* _BCACHEFS_JOURNAL_RECLAIM_H */
|