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bcachefs: Refactor stripe creation

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Prep work for the patch to update existing stripes with new data blocks.
This moves allocating new stripes into ec.c, and also sets up the data
structures so that we can handly only allocating some of the blocks in a
stripe.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet
2020-07-06 22:33:54 -04:00
committed by Kent Overstreet
parent 703e2a43bf
commit f6b94a3baa
4 changed files with 180 additions and 139 deletions
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5
fs/bcachefs/alloc_foreground.h
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@ -92,6 +92,11 @@ static inline void bch2_open_bucket_get(struct bch_fs *c,
}
}
int bch2_bucket_alloc_set(struct bch_fs *, struct open_buckets *,
struct dev_stripe_state *, struct bch_devs_mask *,
unsigned, unsigned *, bool *, enum alloc_reserve,
unsigned, struct closure *);
struct write_point *bch2_alloc_sectors_start(struct bch_fs *,
unsigned, unsigned,
struct write_point_specifier,