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(parent: 1fdc8c7) | patch
ext4: avoid deadlocks in the writeback path by using sb_getblk_gfp
authorNikolay Borisov <kernel@kyup.com>
Thu, 2 Jul 2015 05:34:07 +0000 (01:34 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 3 Aug 2015 16:29:00 +0000 (09:29 -0700)
commitad7f8a81e1cf1a999f633c08cee61975daceff08
tree5a6f549113f8a24e7b52b699ae6ba60f5f6b0f3dtree | snapshot
parent1fdc8c7f1e7d853644c0ad5661ae2e6dfab7baa2commit | diff
ext4: avoid deadlocks in the writeback path by using sb_getblk_gfp

commit c45653c341f5c8a0ce19c8f0ad4678640849cb86 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/ext4/extents.c diff | blob | history
Domain: System / Kernel;