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(parent: ced2dec) | 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 22:06:42 +0000 (06:06 +0800)
commit51e26006d1c9d5a2609d1bb6b7899cd86f92eed9
tree84ad55a0a9b0046cf184ca655a63df796f1052e3tree | snapshot
parentced2decfe31ba7b7b97cce2de010f75e8a90b412commit | 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 tree with some unpolished code for Colibri/Apalis modules