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| author |  Kent Overstreet <kent.overstreet@linux.dev>
| 2023-06-27 17:32:38 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev>
| 2023-10-22 17:10:05 -0400 |
| commit | ec14fc6010fdcc40e54e289afc657a676ce93e72 (patch) | |
| tree | e8fba04ba538c638d926763706411559a43016a6 /fs/bcachefs/journal.h | |
| parent | bcachefs: BCH_WATERMARK_reclaim (diff) | |
| download | linux-ec14fc6010fdcc40e54e289afc657a676ce93e72.tar.gz linux-ec14fc6010fdcc40e54e289afc657a676ce93e72.tar.bz2 linux-ec14fc6010fdcc40e54e289afc657a676ce93e72.zip | |
bcachefs: Kill JOURNAL_WATERMARK
This unifies JOURNAL_WATERMARK with BCH_WATERMARK; we're working towards
specifying watermarks once in the transaction commit path.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/journal.h')
| -rw-r--r-- | fs/bcachefs/journal.h | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/fs/bcachefs/journal.h b/fs/bcachefs/journal.h index 024cea9f5902..008a2e25a4fa 100644 --- a/fs/bcachefs/journal.h +++ b/fs/bcachefs/journal.h @@ -294,9 +294,14 @@ static inline void bch2_journal_res_put(struct journal *j, int bch2_journal_res_get_slowpath(struct journal *, struct journal_res *, unsigned); -/* First two bits for JOURNAL_WATERMARK: */ -#define JOURNAL_RES_GET_NONBLOCK (1 << 2) -#define JOURNAL_RES_GET_CHECK (1 << 3) +/* First bits for BCH_WATERMARK: */ +enum journal_res_flags { + __JOURNAL_RES_GET_NONBLOCK = BCH_WATERMARK_BITS, + __JOURNAL_RES_GET_CHECK, +}; + +#define JOURNAL_RES_GET_NONBLOCK (1 << __JOURNAL_RES_GET_NONBLOCK) +#define JOURNAL_RES_GET_CHECK (1 << __JOURNAL_RES_GET_CHECK) static inline int journal_res_get_fast(struct journal *j, struct journal_res *res, @@ -317,7 +322,7 @@ static inline int journal_res_get_fast(struct journal *j, EBUG_ON(!journal_state_count(new, new.idx)); - if ((flags & JOURNAL_WATERMARK_MASK) < j->watermark) + if ((flags & BCH_WATERMARK_MASK) < j->watermark) return 0; new.cur_entry_offset += res->u64s; @@ -373,17 +378,17 @@ out: static inline void journal_set_watermark(struct journal *j) { union journal_preres_state s = READ_ONCE(j->prereserved); - unsigned watermark = JOURNAL_WATERMARK_any; + unsigned watermark = BCH_WATERMARK_stripe; if (fifo_free(&j->pin) < j->pin.size / 4) - watermark = max_t(unsigned, watermark, JOURNAL_WATERMARK_copygc); + watermark = max_t(unsigned, watermark, BCH_WATERMARK_copygc); if (fifo_free(&j->pin) < j->pin.size / 8) - watermark = max_t(unsigned, watermark, JOURNAL_WATERMARK_reserved); + watermark = max_t(unsigned, watermark, BCH_WATERMARK_reclaim); if (s.reserved > s.remaining) - watermark = max_t(unsigned, watermark, JOURNAL_WATERMARK_copygc); + watermark = max_t(unsigned, watermark, BCH_WATERMARK_copygc); if (!s.remaining) - watermark = max_t(unsigned, watermark, JOURNAL_WATERMARK_reserved); + watermark = max_t(unsigned, watermark, BCH_WATERMARK_reclaim); if (watermark == j->watermark) return; @@ -426,13 +431,14 @@ static inline int bch2_journal_preres_get_fast(struct journal *j, int d = new_u64s - res->u64s; union journal_preres_state old, new; u64 v = atomic64_read(&j->prereserved.counter); + enum bch_watermark watermark = flags & BCH_WATERMARK_MASK; int ret; do { old.v = new.v = v; ret = 0; - if ((flags & JOURNAL_WATERMARK_reserved) || + if (watermark == BCH_WATERMARK_reclaim || new.reserved + d < new.remaining) { new.reserved += d; ret = 1; |