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fe6c9c6e3e
This adds the helper function balance_dirty_pages_ratelimited_flags(). It adds the parameter flags to balance_dirty_pages_ratelimited(). The flags parameter is passed to balance_dirty_pages(). For async buffered writes the flag value will be BDP_ASYNC. If balance_dirty_pages() gets called for async buffered write, we don't want to wait. Instead we need to indicate to the caller that throttling is needed so that it can stop writing and offload the rest of the write to a context that can block. The new helper function is also used by balance_dirty_pages_ratelimited(). Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Stefan Roesch <shr@fb.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20220623175157.1715274-4-shr@fb.com [axboe: fix kerneltest bot 'ret' issue] Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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