Bcache is a Linux software feature that lets a fast SSD act as a cache in front of a slower hard disk or array, transparently speeding up reads and writes. It is a block-layer subsystem, not a driver for any particular piece of hardware.
This is not actually a hardware driver; it is a software caching layer that lives alongside the MD (software RAID) code and works with whatever SSDs and HDDs the user already has. It should be evaluated on its own merits as a storage feature rather than as a driver tied to obsolete silicon.
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monthly commits · 2021-04-21 → 2026-04-21 · 147 total · active in 40/61 months
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codex reasoning notes (technical)
Not a driver directory: bcache is a software block-cache / hybrid-volume subsystem under md, not a hardware device driver for a specific chipset or product family.