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(parent: c3055bd) | patch
dm btree: silence lockdep lock inversion in dm_btree_del()
authorJoe Thornber <ejt@redhat.com>
Fri, 3 Jul 2015 13:51:32 +0000 (14:51 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 3 Aug 2015 16:29:45 +0000 (09:29 -0700)
commit2554f6d1934d42459f56071dacef7fcbd886d0ad
tree8e793b0d58d797b73cf56d1b8ac49e4e6c41485atree | snapshot
parentc3055bd86da041225bc2e156ec0574b090c36e43commit | diff
dm btree: silence lockdep lock inversion in dm_btree_del()

commit 1c7518794a3647eb345d59ee52844e8a40405198 upstream.

Allocate memory using GFP_NOIO when deleting a btree.  dm_btree_del()
can be called via an ioctl and we don't want to recurse into the FS or
block layer.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/md/persistent-data/dm-btree.c diff | blob | history
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