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(parent: bcd7f17) | patch
ext4: fix race in ext4_mb_add_n_trim()
authorNiu Yawei <yawei.niu@gmail.com>
Sat, 2 Feb 2013 02:31:27 +0000 (21:31 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 3 Mar 2013 22:03:37 +0000 (06:03 +0800)
commit8a6a8f044a39224fa29b0a0f11092858258194e0
tree8c86b8d38eba5497860039e0c064739fc393ed05tree | snapshot
parentbcd7f174b550763c3d632a602b1c039e5afd53c6commit | diff
ext4: fix race in ext4_mb_add_n_trim()

commit f1167009711032b0d747ec89a632a626c901a1ad upstream.

In ext4_mb_add_n_trim(), lg_prealloc_lock should be taken when
changing the lg_prealloc_list.

Signed-off-by: Niu Yawei <yawei.niu@intel.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/ext4/mballoc.c diff | blob | history
Linux kernel for KaRo TX COM modules