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Date: Sat, 1 Jun 2019 16:49:41 +0800 From: Chengguang Xu <cgxu519@...o.com.cn> To: jack@...e.com Cc: linux-ext4@...r.kernel.org, Chengguang Xu <cgxu519@...o.com.cn> Subject: [PATCH] ext2: start from parent blockgroup when trying linear search for a free inode Start from parent blockgroup when trying linear search for a free indoe because for non directory inode it's better to keep in same blockgroup with parent. Signed-off-by: Chengguang Xu <cgxu519@...o.com.cn> --- fs/ext2/ialloc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c index fda7d3f5b4be..435463a255e6 100644 --- a/fs/ext2/ialloc.c +++ b/fs/ext2/ialloc.c @@ -411,11 +411,11 @@ static int find_group_other(struct super_block *sb, struct inode *parent) */ group = parent_group; for (i = 0; i < ngroups; i++) { - if (++group >= ngroups) - group = 0; desc = ext2_get_group_desc (sb, group, NULL); if (desc && le16_to_cpu(desc->bg_free_inodes_count)) goto found; + if (++group >= ngroups) + group = 0; } return -1; -- 2.17.2
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