ext4: avoid unaccounted block allocation when expanding inode
authorJan Kara <jack@suse.cz>
Wed, 7 Dec 2022 11:59:28 +0000 (12:59 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 12 Jan 2023 10:59:03 +0000 (11:59 +0100)
commite995ff918e660cd8bc8e763f3e47a641996d35a7
treeaa5ce8d8dcfb45901391a6e6a7c07d34cbb7e654
parent877247222a0c5a67ac41a1d04efe41471c47ce67
ext4: avoid unaccounted block allocation when expanding inode

commit 8994d11395f8165b3deca1971946f549f0822630 upstream.

When expanding inode space in ext4_expand_extra_isize_ea() we may need
to allocate external xattr block. If quota is not initialized for the
inode, the block allocation will not be accounted into quota usage. Make
sure the quota is initialized before we try to expand inode space.

Reported-by: Pengfei Xu <pengfei.xu@intel.com>
Link: https://lore.kernel.org/all/Y5BT+k6xWqthZc1P@xpf.sh.intel.com
Signed-off-by: Jan Kara <jack@suse.cz>
Cc: stable@kernel.org
Link: https://lore.kernel.org/r/20221207115937.26601-2-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/ext4/inode.c