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Message-Id: <20251209090157.3755068-1-zhangshida@kylinos.cn> Date: Tue, 9 Dec 2025 17:01:55 +0800 From: zhangshida <starzhangzsd@...il.com> To: Johannes.Thumshirn@....com, hch@...radead.org, agruenba@...hat.com, ming.lei@...hat.com, hsiangkao@...ux.alibaba.com, csander@...estorage.com, colyli@...as.com Cc: linux-block@...r.kernel.org, linux-bcache@...r.kernel.org, linux-kernel@...r.kernel.org, zhangshida@...inos.cn, starzhangzsd@...il.com Subject: [PATCH v7 0/2] Fix bio chain related issues From: Shida Zhang <zhangshida@...inos.cn> This series addresses incorrect usage of bio_chain_endio(). Note: Patch 2 depends on changes introduced in patch 1. Therefore, patch 1 is still included in this series even though Coly suggested sending it directly to the bcache mailing list: https://lore.kernel.org/all/20251201082611.2703889-1-zhangshida@kylinos.cn/ v7: - Dropped the patch 3 in v6. v6: - Patch 2: Fix the comment format. https://lore.kernel.org/all/20251207122126.3518192-1-zhangshida@kylinos.cn/ v5: - Patch 2: Replaced BUG_ON(1) with BUG(). - Patch 3: Rephrased the commit message. https://lore.kernel.org/all/20251204024748.3052502-1-zhangshida@kylinos.cn/ v4: - Removed unnecessary cleanups from the series. https://lore.kernel.org/all/20251201090442.2707362-1-zhangshida@kylinos.cn/ v3: - Remove the dead code in bio_chain_endio and drop patch 1 in v2 - Refined the __bio_chain_endio changes with minor modifications (was patch 02 in v2). - Dropped cleanup patches 06 and 12 from v2 due to an incorrect 'prev' and 'new' order. https://lore.kernel.org/all/20251129090122.2457896-1-zhangshida@kylinos.cn/ v2: - Added fix for bcache. - Added BUG_ON() in bio_chain_endio(). - Enhanced commit messages for each patch https://lore.kernel.org/all/20251128083219.2332407-1-zhangshida@kylinos.cn/ v1: https://lore.kernel.org/all/20251121081748.1443507-1-zhangshida@kylinos.cn/ Shida Zhang (2): bcache: fix improper use of bi_end_io block: prohibit calls to bio_chain_endio block/bio.c | 6 +++++- drivers/md/bcache/request.c | 6 +++--- 2 files changed, 8 insertions(+), 4 deletions(-) -- 2.34.1
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