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Date: Tue, 28 Feb 2023 19:42:46 +0800 From: Kemeng Shi <shikemeng@...weicloud.com> To: tytso@....edu, adilger.kernel@...ger.ca, jack@...e.cz, ojaswin@...ux.ibm.com, ritesh.list@...il.com Cc: linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org, shikemeng@...weicloud.com Subject: [PATCH v2 00/20] Some bugfix and cleanup to mballoc Hi, this series contain some random cleanup patches and some bugfix patches to make EXT4_MB_HINT_GOAL_ONLY work properly, protect pa->pa_free from race and so on. More details can be found in git log. Thanks! --- V2: -Add signed-off from Ritesh and Ojaswin to patch 3/20 "ext4: get correct ext4_group_info in ext4_mb_prefetch_fini" as this is a duplicate of a patch under reviewing. -Split out original patch "ext4: avoid to use preallocated blocks if EXT4_MB_HINT_GOAL_ONLY is set" which will be resend after improved. -Improve log information of patch 20. -Collect Reviewed-by from Ojaswin and Ritesh. Now only patch 3, 12 and 20 need futher review. --- Kemeng Shi (20): ext4: set goal start correctly in ext4_mb_normalize_request ext4: allow to find by goal if EXT4_MB_HINT_GOAL_ONLY is set ext4: get correct ext4_group_info in ext4_mb_prefetch_fini ext4: correct calculation of s_mb_preallocated ext4: correct start of used group pa for debug in ext4_mb_use_group_pa ext4: protect pa->pa_free in ext4_discard_allocated_blocks ext4: add missed brelse in ext4_free_blocks_simple ext4: remove unused return value of ext4_mb_try_best_found and ext4_mb_free_metadata ext4: Remove unnecessary release when memory allocation failed in ext4_mb_init_cache ext4: remove unnecessary e4b->bd_buddy_page check in ext4_mb_load_buddy_gfp ext4: remove unnecessary check in ext4_mb_new_blocks ext4: remove dead check in mb_buddy_mark_free ext4: remove ac->ac_found > sbi->s_mb_min_to_scan dead check in ext4_mb_check_limits ext4: use best found when complex scan of group finishs ext4: remove unnecessary exit_meta_group_info tag ext4: remove unnecessary count2 in ext4_free_data_in_buddy ext4: remove unnecessary goto in ext4_mb_mark_diskspace_used ext4: remove repeat assignment to ac_f_ex ext4: remove comment code ext4_discard_preallocations ext4: simplify calculation of blkoff in ext4_mb_new_blocks_simple fs/ext4/mballoc.c | 104 +++++++++++++++++----------------------------- 1 file changed, 38 insertions(+), 66 deletions(-) -- 2.30.0
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