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linux/mm/backing-dev.c
Jens Axboe b57d74aff9 writeback: track if we're sleeping on progress in balance_dirty_pages() 
Note in the bdi_writeback structure whenever a task ends up sleeping
waiting for progress. We can use that information in the lower layers
to increase the priority of writes.

Signed-off-by: Jens Axboe <axboe@fb.com>
Reviewed-by: Jan Kara <jack@suse.cz>
2016-11-08 08:28:55 -07:00

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