Nikolay Borisov c45653c341 ext4: avoid deadlocks in the writeback path by using sb_getblk_gfp
Switch ext4 to using sb_getblk_gfp with GFP_NOFS added to fix possible
deadlocks in the page writeback path.

Signed-off-by: Nikolay Borisov <kernel@kyup.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
2015-07-02 01:34:07 -04:00
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