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ext4: actually request zeroing of inode table after grow 

It is never possible, that number of block groups decreases,
since only online grow is supported.

But after a growing occured, we have to zero inode tables
for just created new block groups.

Fixes: 19c5246d25 ("ext4: add new online resize interface")
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: stable@kernel.org
This commit is contained in:
Kirill Tkhai 2019-04-25 13:06:18 -04:00 committed by Theodore Ts'o
parent 4b99faa23c
commit 310a997fd7
1 changed files with 1 additions and 1 deletions
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2
fs/ext4/ioctl.c
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@ -978,7 +978,7 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
if (err == 0)
err = err2;
mnt_drop_write_file(filp);
if (!err && (o_group > EXT4_SB(sb)->s_groups_count) &&
if (!err && (o_group < EXT4_SB(sb)->s_groups_count) &&
ext4_has_group_desc_csum(sb) &&
test_opt(sb, INIT_INODE_TABLE))
err = ext4_register_li_request(sb, o_group);