
Pull more block updates from Jens Axboe: - Set of bcache fixes and changes (Coly) - The flush warn fix (me) - Small series of BFQ fixes (Paolo) - wbt hang fix (Ming) - blktrace fix (Steven) - blk-mq hardware queue count update fix (Jianchao) - Various little fixes * tag 'for-4.19/post-20180822' of git://git.kernel.dk/linux-block: (31 commits) block/DAC960.c: make some arrays static const, shrinks object size blk-mq: sync the update nr_hw_queues with blk_mq_queue_tag_busy_iter blk-mq: init hctx sched after update ctx and hctx mapping block: remove duplicate initialization tracing/blktrace: Fix to allow setting same value pktcdvd: fix setting of 'ret' error return for a few cases block: change return type to bool block, bfq: return nbytes and not zero from struct cftype .write() method block, bfq: improve code of bfq_bfqq_charge_time block, bfq: reduce write overcharge block, bfq: always update the budget of an entity when needed block, bfq: readd missing reset of parent-entity service blk-wbt: fix IO hang in wbt_wait() block: don't warn for flush on read-only device bcache: add the missing comments for smp_mb()/smp_wmb() bcache: remove unnecessary space before ioctl function pointer arguments bcache: add missing SPDX header bcache: move open brace at end of function definitions to next line bcache: add static const prefix to char * array declarations bcache: fix code comments style ...
28 lines
717 B
Plaintext
28 lines
717 B
Plaintext
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config BCACHE
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tristate "Block device as cache"
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select CRC64
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help
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Allows a block device to be used as cache for other devices; uses
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a btree for indexing and the layout is optimized for SSDs.
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See Documentation/admin-guide/bcache.rst for details.
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config BCACHE_DEBUG
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bool "Bcache debugging"
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depends on BCACHE
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help
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Don't select this option unless you're a developer
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Enables extra debugging tools, allows expensive runtime checks to be
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turned on.
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config BCACHE_CLOSURES_DEBUG
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bool "Debug closures"
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depends on BCACHE
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select DEBUG_FS
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help
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Keeps all active closures in a linked list and provides a debugfs
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interface to list them, which makes it possible to see asynchronous
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operations that get stuck.
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