Hi [This is an automated email] This commit has been processed because it contains a -stable tag. The stable tag indicates that it's relevant for the following trees: all The bot has tested the following trees: v5.7.10, v5.4.53, v4.19.134, v4.14.189, v4.9.231, v4.4.231. v5.7.10: Build OK! v5.4.53: Build OK! v4.19.134: Build OK! v4.14.189: Failed to apply! Possible dependencies: 1d316e658374 ("bcache: implement PI controller for writeback rate") 25d8be77e192 ("block: move bio_alloc_pages() to bcache") 27a40ab9269e ("bcache: add backing_request_endio() for bi_end_io") 3b304d24a718 ("bcache: convert cached_dev.count from atomic_t to refcount_t") 3fd47bfe55b0 ("bcache: stop dc->writeback_rate_update properly") 5138ac6748e3 ("bcache: fix misleading error message in bch_count_io_errors()") 539d39eb2708 ("bcache: fix wrong return value in bch_debug_init()") 6f10f7d1b02b ("bcache: style fix to replace 'unsigned' by 'unsigned int'") 771f393e8ffc ("bcache: add CACHE_SET_IO_DISABLE to struct cache_set flags") 804f3c6981f5 ("bcache: fix cached_dev->count usage for bch_cache_set_error()") b1092c9af9ed ("bcache: allow quick writeback when backing idle") d19936a26658 ("bcache: convert to bioset_init()/mempool_init()") d44c2f9e7cc0 ("bcache: update bucket_in_use in real time") v4.9.231: Failed to apply! Possible dependencies: 1d316e658374 ("bcache: implement PI controller for writeback rate") 3a83f4677539 ("block: bio: pass bvec table to bio_init()") 3b304d24a718 ("bcache: convert cached_dev.count from atomic_t to refcount_t") 3fd47bfe55b0 ("bcache: stop dc->writeback_rate_update properly") 6f10f7d1b02b ("bcache: style fix to replace 'unsigned' by 'unsigned int'") 70fd76140a6c ("block,fs: use REQ_* flags directly") 804f3c6981f5 ("bcache: fix cached_dev->count usage for bch_cache_set_error()") d19936a26658 ("bcache: convert to bioset_init()/mempool_init()") e806402130c9 ("block: split out request-only flags into a new namespace") ef295ecf090d ("block: better op and flags encoding") v4.4.231: Failed to apply! Possible dependencies: 1d316e658374 ("bcache: implement PI controller for writeback rate") 3a83f4677539 ("block: bio: pass bvec table to bio_init()") 3b304d24a718 ("bcache: convert cached_dev.count from atomic_t to refcount_t") 3fd47bfe55b0 ("bcache: stop dc->writeback_rate_update properly") 4e49ea4a3d27 ("block/fs/drivers: remove rw argument from submit_bio") 6f10f7d1b02b ("bcache: style fix to replace 'unsigned' by 'unsigned int'") 804f3c6981f5 ("bcache: fix cached_dev->count usage for bch_cache_set_error()") 9082e87bfbf8 ("block: remove struct bio_batch") ad0d9e76a412 ("bcache: use bio op accessors") d19936a26658 ("bcache: convert to bioset_init()/mempool_init()") d57d611505d9 ("kernel/fs: fix I/O wait not accounted for RW O_DSYNC") ed996a52c868 ("block: simplify and cleanup bvec pool handling") NOTE: The patch will not be queued to stable trees until it is upstream. How should we proceed with this patch? -- Thanks Sasha