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To make background writeback aware of raid5/6 stripes, we first need to track the amount of dirty data within each stripe - we do this by breaking up the existing sectors_dirty into per stripe atomic_ts Signed-off-by: Kent Overstreet <koverstreet@google.com>
22 lines
550 B
C
22 lines
550 B
C
#ifndef _BCACHE_WRITEBACK_H
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#define _BCACHE_WRITEBACK_H
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static inline uint64_t bcache_dev_sectors_dirty(struct bcache_device *d)
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{
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uint64_t i, ret = 0;
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for (i = 0; i < d->nr_stripes; i++)
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ret += atomic_read(d->stripe_sectors_dirty + i);
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return ret;
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}
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void bcache_dev_sectors_dirty_add(struct cache_set *, unsigned, uint64_t, int);
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void bch_writeback_queue(struct cached_dev *);
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void bch_writeback_add(struct cached_dev *);
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void bch_sectors_dirty_init(struct cached_dev *dc);
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void bch_cached_dev_writeback_init(struct cached_dev *);
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#endif
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