On 2021/12/2 17:28, Fengnan Chang wrote:
When enable compress_cache option, in my test envrionment, sometime f2fs_invalidate_compress_pages will take long time to finish, find_get_pages_range take most time, is there anyone encounter this problem too? In my test, I have 8 files, each file size was 64MB, do some seq and random read or write and drop cache, when drop cache, it happnes, my kernel version was 5.10.43. Is there anything to suspect?
Fengnan, could you please test below patch? https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=dev&id=a4419b29c491f42eb823f281ef242448f85760f3
Thanks.
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