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ext4: get correct ext4_group_info in ext4_mb_prefetch_fini

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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) <ritesh.list@gmail.com>
Signed-off-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Link: https://lore.kernel.org/r/20230303172120.3800725-4-shikemeng@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Kemeng Shi 2023-03-04 01:21:03 +08:00 committed by Theodore Ts'o
parent 01e4ca2945
commit 22fab98402
1 changed files with 4 additions and 4 deletions
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8
fs/ext4/mballoc.c
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@ -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) &&