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ext4: return found group directly in ext4_mb_choose_next_group_best_avail

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Return good group when it's found in loop to remove futher check if good
group is found after loop.

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Link: https://lore.kernel.org/r/20230801143204.2284343-10-shikemeng@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Kemeng Shi 2023-08-01 22:32:03 +08:00 committed by Theodore Ts'o
parent b50675a4a6
commit bcb123ac9b
1 changed files with 8 additions and 10 deletions
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18
fs/ext4/mballoc.c
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@ -1042,18 +1042,16 @@ static void ext4_mb_choose_next_group_best_avail(struct ext4_allocation_context
ac->ac_g_ex.fe_len);
grp = ext4_mb_find_good_group_avg_frag_lists(ac, frag_order);
if (grp)
break;
if (grp) {
*group = grp->bb_group;
ac->ac_flags |= EXT4_MB_CR_BEST_AVAIL_LEN_OPTIMIZED;
return;
}
}
if (grp) {
*group = grp->bb_group;
ac->ac_flags |= EXT4_MB_CR_BEST_AVAIL_LEN_OPTIMIZED;
} else {
/* Reset goal length to original goal length before falling into CR_GOAL_LEN_SLOW */
ac->ac_g_ex.fe_len = ac->ac_orig_goal_len;
*new_cr = CR_GOAL_LEN_SLOW;
}
/* Reset goal length to original goal length before falling into CR_GOAL_LEN_SLOW */
ac->ac_g_ex.fe_len = ac->ac_orig_goal_len;
*new_cr = CR_GOAL_LEN_SLOW;
}
static inline int should_optimize_scan(struct ext4_allocation_context *ac)