ext4: keep existing extra fields when inode expands
authorKonstantin Khlebnikov <khlebnikov@yandex-team.ru>
Mon, 22 May 2017 02:36:23 +0000 (22:36 -0400)
committerRaspbian kernel package updater <root@raspbian.org>
Sun, 23 Jul 2017 02:55:28 +0000 (02:55 +0000)
commitd8bf86e5069355c189326e4ad5d2b5ba5eab4052
treeb6a17e94a176f27528e8f3490b4a5925f2e6d75d
parent803cbf0652b2b5cd842bac3e11da62f8845c6170
ext4: keep existing extra fields when inode expands

commit 887a9730614727c4fff7cb756711b190593fc1df upstream.

ext4_expand_extra_isize() should clear only space between old and new
size.

Fixes: 6dd4ee7cab7e # v2.6.23
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/ext4/inode.c