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Commit ec05e868 authored by Li Zefan's avatar Li Zefan Committed by Theodore Ts'o
Browse files

ext4: improve ext4_fill_flex_info() a bit 



- use kzalloc() instead of kmalloc() + memset()
- improve a printk info

Signed-off-by: default avatarLi Zefan <lizf@cn.fujitsu.com>
Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
parent 12219aea

fs/ext4/super.c

+3 −4
Original line number Diff line number Diff line
@@ -1506,14 +1506,13 @@ static int ext4_fill_flex_info(struct super_block *sb) 


	flex_group_count = (sbi->s_groups_count + groups_per_flex - 1) /

		groups_per_flex;

	sbi->s_flex_groups = kmalloc(flex_group_count *

	sbi->s_flex_groups = kzalloc(flex_group_count *

				     sizeof(struct flex_groups), GFP_KERNEL);

	if (sbi->s_flex_groups == NULL) {

		printk(KERN_ERR "EXT4-fs: not enough memory\n");

		printk(KERN_ERR "EXT4-fs: not enough memory for "

				"%lu flex groups\n", flex_group_count);

		goto failed;

	}

	memset(sbi->s_flex_groups, 0, flex_group_count *

	       sizeof(struct flex_groups));



	gdp = ext4_get_group_desc(sb, 1, &bh);

	block_bitmap = ext4_block_bitmap(sb, gdp) - 1;