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ext4: fix incorrect lock ordering for ext4_ind_migrate
authorDmitry Monakhov <dmonakhov@openvz.org>
Mon, 8 Apr 2013 17:02:25 +0000 (13:02 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Mon, 8 Apr 2013 17:02:25 +0000 (13:02 -0400)
existing locking ordering: journal-> i_data_sem, but
ext4_ind_migrate() grab locks in opposite order which may result in
deadlock.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

No differences found
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