{"id":2222594,"url":"http://patchwork.ozlabs.org/api/1.1/covers/2222594/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-ext4/cover/20260413065114.730231-1-409411716@gms.tku.edu.tw/","project":{"id":8,"url":"http://patchwork.ozlabs.org/api/1.1/projects/8/?format=json","name":"Linux ext4 filesystem development","link_name":"linux-ext4","list_id":"linux-ext4.vger.kernel.org","list_email":"linux-ext4@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260413065114.730231-1-409411716@gms.tku.edu.tw>","date":"2026-04-13T06:51:12","name":"[v3,0/2] ext4: add hash Kunit tests and optimize str2hashbuf","submitter":{"id":92099,"url":"http://patchwork.ozlabs.org/api/1.1/people/92099/?format=json","name":"Guan-Chun Wu","email":"409411716@gms.tku.edu.tw"},"mbox":"http://patchwork.ozlabs.org/project/linux-ext4/cover/20260413065114.730231-1-409411716@gms.tku.edu.tw/mbox/","series":[{"id":499652,"url":"http://patchwork.ozlabs.org/api/1.1/series/499652/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-ext4/list/?series=499652","date":"2026-04-13T06:51:13","name":"ext4: add hash Kunit tests and optimize str2hashbuf","version":3,"mbox":"http://patchwork.ozlabs.org/series/499652/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/covers/2222594/comments/","headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-ext4@vger.kernel.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","patchwork-incoming@ozlabs.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gms-tku-edu-tw.20251104.gappssmtp.com\n header.i=@gms-tku-edu-tw.20251104.gappssmtp.com header.a=rsa-sha256\n header.s=20251104 header.b=xR/cIh2g;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org\n (client-ip=2404:9400:2221:ea00::3; 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This also\nreduces overhead and shows roughly 2x improvement on longer inputs in\nlocal testing.\n\nThanks,\nGuan-Chun Wu\n\nLink: https://lore.kernel.org/lkml/20251122043929.1908643-1-409411716@gms.tku.edu.tw/\n\n---\n\nv2 -> v3 :\n\n - Added Kunit tests for fs/ext4/hash.c.\n\n---\n\nGuan-Chun Wu (2):\n ext4: add Kunit coverage for directory hash computation\n ext4: improve str2hashbuf by processing 4-byte chunks and removing\n function pointers\n\n fs/ext4/Makefile | 2 +-\n fs/ext4/hash-test.c | 546 ++++++++++++++++++++++++++++++++++++++++++++\n fs/ext4/hash.c | 64 ++++--\n 3 files changed, 589 insertions(+), 23 deletions(-)\n create mode 100644 fs/ext4/hash-test.c"}