From: Kemeng Shi Date: Fri, 3 Mar 2023 17:21:03 +0000 (+0800) Subject: ext4: get correct ext4_group_info in ext4_mb_prefetch_fini X-Git-Tag: v6.6.7~2931^2~88 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=22fab984025313198559278814147c57901106f6;p=platform%2Fkernel%2Flinux-starfive.git ext4: get correct ext4_group_info in ext4_mb_prefetch_fini We always get ext4_group_desc with group + 1 and ext4_group_info with group to check if we need do initialize ext4_group_info for the group. Just get ext4_group_desc with group for ext4_group_info initialization check. Signed-off-by: Ritesh Harjani (IBM) Signed-off-by: Ojaswin Mujoo Signed-off-by: Kemeng Shi Link: https://lore.kernel.org/r/20230303172120.3800725-4-shikemeng@huaweicloud.com Signed-off-by: Theodore Ts'o --- diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 8e706ae..c3c4d9e 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -2569,14 +2569,14 @@ ext4_group_t ext4_mb_prefetch(struct super_block *sb, ext4_group_t group, void ext4_mb_prefetch_fini(struct super_block *sb, ext4_group_t group, unsigned int nr) { - while (nr-- > 0) { - struct ext4_group_desc *gdp = ext4_get_group_desc(sb, group, - NULL); - struct ext4_group_info *grp = ext4_get_group_info(sb, group); + struct ext4_group_desc *gdp; + struct ext4_group_info *grp; + while (nr-- > 0) { if (!group) group = ext4_get_groups_count(sb); group--; + gdp = ext4_get_group_desc(sb, group, NULL); grp = ext4_get_group_info(sb, group); if (EXT4_MB_GRP_NEED_INIT(grp) &&