24 static inline bool bcache_dev_stripe_dirty(struct cached_dev *dc,  in bcache_dev_stripe_dirty()  argument
28 	unsigned stripe = offset_to_stripe(&dc->disk, offset);  in bcache_dev_stripe_dirty()
31 		if (atomic_read(dc->disk.stripe_sectors_dirty + stripe))  in bcache_dev_stripe_dirty()
34 		if (nr_sectors <= dc->disk.stripe_size)  in bcache_dev_stripe_dirty()
37 		nr_sectors -= dc->disk.stripe_size;  in bcache_dev_stripe_dirty()
42 static inline bool should_writeback(struct cached_dev *dc, struct bio *bio,  in should_writeback()  argument
45 	unsigned in_use = dc->disk.c->gc_stats.in_use;  in should_writeback()
48 	    test_bit(BCACHE_DEV_DETACHING, &dc->disk.flags) ||  in should_writeback()
52 	if (dc->partial_stripes_expensive &&  in should_writeback()
53 	    bcache_dev_stripe_dirty(dc, bio->bi_iter.bi_sector,  in should_writeback()
64 static inline void bch_writeback_queue(struct cached_dev *dc)  in bch_writeback_queue()  argument
66 	if (!IS_ERR_OR_NULL(dc->writeback_thread))  in bch_writeback_queue()
67 		wake_up_process(dc->writeback_thread);  in bch_writeback_queue()
70 static inline void bch_writeback_add(struct cached_dev *dc)  in bch_writeback_add()  argument
72 	if (!atomic_read(&dc->has_dirty) &&  in bch_writeback_add()
73 	    !atomic_xchg(&dc->has_dirty, 1)) {  in bch_writeback_add()
74 		atomic_inc(&dc->count);  in bch_writeback_add()
76 		if (BDEV_STATE(&dc->sb) != BDEV_STATE_DIRTY) {  in bch_writeback_add()
77 			SET_BDEV_STATE(&dc->sb, BDEV_STATE_DIRTY);  in bch_writeback_add()
79 			bch_write_bdev_super(dc, NULL);  in bch_writeback_add()
82 		bch_writeback_queue(dc);  in bch_writeback_add()
88 void bch_sectors_dirty_init(struct cached_dev *dc);