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[$] Parallelizing filesystem writeback
Thursday June 12, 2025. 04:07 PM , from LWN.net
Writeback for filesystems is the process of flushing the 'dirty' (written)
data in the page cache to storage. At the 2025 Linux Storage, Filesystem, Memory Management, and BPF Summit (LSFMM+BPF), Anuj Gupta led a combined storage and filesystem session on some work that has been done to parallelize the writeback process. Some of the performance problems that have been seen with the existing single-threaded writeback came up in a session at last year's summit, where the idea of doing writeback in parallel was discussed.
https://lwn.net/Articles/1024402/
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