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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_JOURNAL_RECLAIM_H
#define _BCACHEFS_JOURNAL_RECLAIM_H
#define JOURNAL_PIN (32 * 1024)
static inline bool journal_pin_active(struct journal_entry_pin *pin)
{
return pin->pin_list != NULL;
}
static inline struct journal_entry_pin_list *
journal_seq_pin(struct journal *j, u64 seq)
{
BUG_ON(seq < j->pin.front || seq >= j->pin.back);
return &j->pin.data[seq & j->pin.mask];
}
u64 bch2_journal_pin_seq(struct journal *, struct journal_entry_pin *);
void bch2_journal_pin_add(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_reclaim_fast(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 */
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