fs: implement cache invalidation

westerndigitalcorporation / zenfs

ZenFS is a storage backend for RocksDB that enables support for ZNS SSDs and SMR HDDs.

GNU General Public License v2.0

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Closed yhr closed 1 year ago

yhr commented 1 year ago

Implement cache invalidation - we do support non-direct reads so tell the page cache to drop all data that the extents map to.

yhr commented 1 year ago

Useful when running fio-testing

yhr commented 1 year ago

OOps, needs some rework after the rebase i just did