diff options
Diffstat (limited to 'fs/bcachefs/alloc_foreground.h')
| -rw-r--r-- | fs/bcachefs/alloc_foreground.h | 92 |
1 files changed, 84 insertions, 8 deletions
diff --git a/fs/bcachefs/alloc_foreground.h b/fs/bcachefs/alloc_foreground.h index f25481a0d1a0..2e01c7b61ed1 100644 --- a/fs/bcachefs/alloc_foreground.h +++ b/fs/bcachefs/alloc_foreground.h @@ -3,8 +3,10 @@ #define _BCACHEFS_ALLOC_FOREGROUND_H #include "bcachefs.h" +#include "buckets.h" #include "alloc_types.h" #include "extents.h" +#include "io_write_types.h" #include "sb-members.h" #include <linux/hash.h> @@ -23,6 +25,52 @@ struct dev_alloc_list { u8 data[BCH_SB_MEMBERS_MAX]; }; +struct alloc_request { + unsigned nr_replicas; + unsigned target; + bool ec; + enum bch_watermark watermark; + enum bch_write_flags flags; + enum bch_data_type data_type; + struct bch_devs_list *devs_have; + struct write_point *wp; + + /* These fields are used primarily by open_bucket_add_buckets */ + struct open_buckets ptrs; + unsigned nr_effective; /* sum of @ptrs durability */ + bool have_cache; /* have we allocated from a 0 durability dev */ + struct bch_devs_mask devs_may_alloc; + + /* bch2_bucket_alloc_set_trans(): */ + struct bch_dev_usage usage; + + /* bch2_bucket_alloc_trans(): */ + struct bch_dev *ca; + + enum { + BTREE_BITMAP_NO, + BTREE_BITMAP_YES, + BTREE_BITMAP_ANY, + } btree_bitmap; + + struct { + u64 buckets_seen; + u64 skipped_open; + u64 skipped_need_journal_commit; + u64 need_journal_commit; + u64 skipped_nocow; + u64 skipped_nouse; + u64 skipped_mi_btree_bitmap; + } counters; + + unsigned scratch_nr_replicas; + unsigned scratch_nr_effective; + bool scratch_have_cache; + enum bch_data_type scratch_data_type; + struct open_buckets scratch_ptrs; + struct bch_devs_mask scratch_devs_may_alloc; +}; + struct dev_alloc_list bch2_dev_alloc_list(struct bch_fs *, struct dev_stripe_state *, struct bch_devs_mask *); @@ -33,6 +81,23 @@ static inline struct bch_dev *ob_dev(struct bch_fs *c, struct open_bucket *ob) return bch2_dev_have_ref(c, ob->dev); } +static inline unsigned bch2_open_buckets_reserved(enum bch_watermark watermark) +{ + switch (watermark) { + case BCH_WATERMARK_interior_updates: + return 0; + case BCH_WATERMARK_reclaim: + return OPEN_BUCKETS_COUNT / 6; + case BCH_WATERMARK_btree: + case BCH_WATERMARK_btree_copygc: + return OPEN_BUCKETS_COUNT / 4; + case BCH_WATERMARK_copygc: + return OPEN_BUCKETS_COUNT / 3; + default: + return OPEN_BUCKETS_COUNT / 2; + } +} + struct open_bucket *bch2_bucket_alloc(struct bch_fs *, struct bch_dev *, enum bch_watermark, enum bch_data_type, struct closure *); @@ -65,7 +130,7 @@ static inline struct open_bucket *ec_open_bucket(struct bch_fs *c, } void bch2_open_bucket_write_error(struct bch_fs *, - struct open_buckets *, unsigned); + struct open_buckets *, unsigned, int); void __bch2_open_bucket_put(struct bch_fs *, struct open_bucket *); @@ -93,7 +158,9 @@ static inline void bch2_alloc_sectors_done_inlined(struct bch_fs *c, struct writ unsigned i; open_bucket_for_each(c, &wp->ptrs, ob, i) - ob_push(c, !ob->sectors_free ? &ptrs : &keep, ob); + ob_push(c, ob->sectors_free < block_sectors(c) + ? &ptrs + : &keep, ob); wp->ptrs = keep; mutex_unlock(&wp->lock); @@ -154,11 +221,8 @@ static inline bool bch2_bucket_is_open_safe(struct bch_fs *c, unsigned dev, u64 } enum bch_write_flags; -int bch2_bucket_alloc_set_trans(struct btree_trans *, struct open_buckets *, - struct dev_stripe_state *, struct bch_devs_mask *, - unsigned, unsigned *, bool *, enum bch_write_flags, - enum bch_data_type, enum bch_watermark, - struct closure *); +int bch2_bucket_alloc_set_trans(struct btree_trans *, struct alloc_request *, + struct dev_stripe_state *, struct closure *); int bch2_alloc_sectors_start_trans(struct btree_trans *, unsigned, unsigned, @@ -170,7 +234,19 @@ int bch2_alloc_sectors_start_trans(struct btree_trans *, struct closure *, struct write_point **); -struct bch_extent_ptr bch2_ob_ptr(struct bch_fs *, struct open_bucket *); +static inline struct bch_extent_ptr bch2_ob_ptr(struct bch_fs *c, struct open_bucket *ob) +{ + struct bch_dev *ca = ob_dev(c, ob); + + return (struct bch_extent_ptr) { + .type = 1 << BCH_EXTENT_ENTRY_ptr, + .gen = ob->gen, + .dev = ob->dev, + .offset = bucket_to_sector(ca, ob->bucket) + + ca->mi.bucket_size - + ob->sectors_free, + }; +} /* * Append pointers to the space we just allocated to @k, and mark @sectors space |