1 From 310a997fd74de778b9a4848a64be9cda9f18764a Mon Sep 17 00:00:00 2001
2 From: Kirill Tkhai <ktkhai@virtuozzo.com>
3 Date: Thu, 25 Apr 2019 13:06:18 -0400
4 Subject: ext4: actually request zeroing of inode table after grow
6 From: Kirill Tkhai <ktkhai@virtuozzo.com>
8 commit 310a997fd74de778b9a4848a64be9cda9f18764a upstream.
10 It is never possible, that number of block groups decreases,
11 since only online grow is supported.
13 But after a growing occured, we have to zero inode tables
14 for just created new block groups.
16 Fixes: 19c5246d2516 ("ext4: add new online resize interface")
17 Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
18 Signed-off-by: Theodore Ts'o <tytso@mit.edu>
19 Reviewed-by: Jan Kara <jack@suse.cz>
21 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
24 fs/ext4/ioctl.c | 2 +-
25 1 file changed, 1 insertion(+), 1 deletion(-)
29 @@ -577,7 +577,7 @@ group_add_out:
32 mnt_drop_write_file(filp);
33 - if (!err && (o_group > EXT4_SB(sb)->s_groups_count) &&
34 + if (!err && (o_group < EXT4_SB(sb)->s_groups_count) &&
35 ext4_has_group_desc_csum(sb) &&
36 test_opt(sb, INIT_INODE_TABLE))
37 err = ext4_register_li_request(sb, o_group);