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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:57 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:57 +0000 |
commit | dc50eab76b709d68175a358d6e23a5a3890764d3 (patch) | |
tree | c754d0390db060af0213ff994f0ac310e4cfd6e9 /fs/bcachefs/journal_reclaim.h | |
parent | Adding debian version 6.6.15-2. (diff) | |
download | linux-dc50eab76b709d68175a358d6e23a5a3890764d3.tar.xz linux-dc50eab76b709d68175a358d6e23a5a3890764d3.zip |
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/bcachefs/journal_reclaim.h')
-rw-r--r-- | fs/bcachefs/journal_reclaim.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/fs/bcachefs/journal_reclaim.h b/fs/bcachefs/journal_reclaim.h new file mode 100644 index 0000000000..494d1a6edd --- /dev/null +++ b/fs/bcachefs/journal_reclaim.h @@ -0,0 +1,87 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _BCACHEFS_JOURNAL_RECLAIM_H +#define _BCACHEFS_JOURNAL_RECLAIM_H + +#define JOURNAL_PIN (32 * 1024) + +static inline void journal_reclaim_kick(struct journal *j) +{ + struct task_struct *p = READ_ONCE(j->reclaim_thread); + + j->reclaim_kicked = true; + if (p) + wake_up_process(p); +} + +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_reclaim_fast(struct journal *); +bool __bch2_journal_pin_put(struct journal *, u64); +void bch2_journal_pin_put(struct journal *, u64); +void bch2_journal_pin_drop(struct journal *, struct journal_entry_pin *); + +void bch2_journal_pin_set(struct journal *, u64, struct journal_entry_pin *, + journal_pin_flush_fn); + +static inline void bch2_journal_pin_add(struct journal *j, u64 seq, + struct journal_entry_pin *pin, + journal_pin_flush_fn flush_fn) +{ + if (unlikely(!journal_pin_active(pin) || pin->seq > seq)) + bch2_journal_pin_set(j, seq, pin, flush_fn); +} + +static inline void bch2_journal_pin_copy(struct journal *j, + struct journal_entry_pin *dst, + struct journal_entry_pin *src, + journal_pin_flush_fn flush_fn) +{ + /* Guard against racing with journal_pin_drop(src): */ + u64 seq = READ_ONCE(src->seq); + + if (seq) + bch2_journal_pin_add(j, seq, dst, flush_fn); +} + +static inline void bch2_journal_pin_update(struct journal *j, u64 seq, + struct journal_entry_pin *pin, + journal_pin_flush_fn flush_fn) +{ + if (unlikely(!journal_pin_active(pin) || pin->seq < seq)) + bch2_journal_pin_set(j, seq, pin, flush_fn); +} + +void bch2_journal_pin_flush(struct journal *, struct journal_entry_pin *); + +void bch2_journal_do_discards(struct journal *); +int bch2_journal_reclaim(struct journal *); + +void bch2_journal_reclaim_stop(struct journal *); +int bch2_journal_reclaim_start(struct journal *); + +bool bch2_journal_flush_pins(struct journal *, u64); + +static inline bool bch2_journal_flush_all_pins(struct journal *j) +{ + return bch2_journal_flush_pins(j, U64_MAX); +} + +int bch2_journal_flush_device_pins(struct journal *, int); + +#endif /* _BCACHEFS_JOURNAL_RECLAIM_H */ |