iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

bcachefs: Refactor open_bucket code

Browse Source 
Prep work for adding a hash table of open buckets - instead of embedding
a bch_extent_ptr, we need to refer to the bucket directly so that we're
not calling sector_to_bucket() in the hash table lookup code, which has
an expensive divide.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
This commit is contained in:
Kent Overstreet
2021-12-25 21:21:46 -05:00
committed by Kent Overstreet
parent 57af63b286
commit abe19d458e
8 changed files with 83 additions and 67 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
fs/bcachefs/alloc_foreground.h
View File

@ -85,7 +85,7 @@ static inline void bch2_open_bucket_get(struct bch_fs *c,
unsigned i;
open_bucket_for_each(c, &wp->ptrs, ob, i) {
ob->type = wp->type;
ob->data_type = wp->data_type;
atomic_inc(&ob->pin);
ob_push(c, ptrs, ob);
}
@ -105,6 +105,7 @@ struct write_point *bch2_alloc_sectors_start(struct bch_fs *,
unsigned,
struct closure *);
struct bch_extent_ptr bch2_ob_ptr(struct bch_fs *, struct open_bucket *);
void bch2_alloc_sectors_append_ptrs(struct bch_fs *, struct write_point *,
struct bkey_i *, unsigned, bool);
void bch2_alloc_sectors_done(struct bch_fs *, struct write_point *);
@ -127,4 +128,6 @@ static inline struct write_point_specifier writepoint_ptr(struct write_point *wp
void bch2_fs_allocator_foreground_init(struct bch_fs *);
void bch2_open_buckets_to_text(struct printbuf *, struct bch_fs *);
#endif /* _BCACHEFS_ALLOC_FOREGROUND_H */