Files
mirror_zfs/module
Ameer Hamza b525525b44 L2ARC: Implement per-device feed threads for parallel writes
Transform L2ARC from single global feed thread to per-device threads,
enabling parallel writes to multiple L2ARC devices. Each device runs
its own feed thread independently, improving multi-device throughput.
Previously, a single thread served all devices sequentially; now each
device writes concurrently. Threads are created during device addition
and torn down on removal.

Reviewed-by: Alexander Motin <alexander.motin@TrueNAS.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ameer Hamza <ahamza@ixsystems.com>
Closes #18093
2026-02-04 10:07:02 -08:00
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