https://github.com/torvalds/linux
Revision 721e3eba21e43532e438652dd8f1fcdfce3187e7 authored by Theodore Ts'o on 27 December 2012, 06:42:48 UTC, committed by Theodore Ts'o on 27 December 2012, 06:42:48 UTC
Commit c278531d39 added a warning when ext4_flush_unwritten_io() is
called without i_mutex being taken.  It had previously not been taken
during orphan cleanup since races weren't possible at that point in
the mount process, but as a result of this c278531d39, we will now see
a kernel WARN_ON in this case.  Take the i_mutex in
ext4_orphan_cleanup() to suppress this warning.

Reported-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Zheng Liu <wenqing.lz@taobao.com>
Cc: stable@vger.kernel.org
1 parent d096ad0
History
Tip revision: 721e3eba21e43532e438652dd8f1fcdfce3187e7 authored by Theodore Ts'o on 27 December 2012, 06:42:48 UTC
ext4: lock i_mutex when truncating orphan inodes
Tip revision: 721e3eb
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