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(parent: 79bf31a) | patch
dm-raid: fix a race condition in request handling
authorShaohua Li <shli@fb.com>
Thu, 21 Sep 2017 17:29:22 +0000 (10:29 -0700)
committerShaohua Li <shli@fb.com>
Thu, 28 Sep 2017 03:08:29 +0000 (20:08 -0700)
commitc4d6a1b8e8ea79c439a4871cba540443c9eb13b9
tree782289f1af0633af764aa1cb8a775efedb2d8934tree | snapshot
parent79bf31a3b2a7ca467cfec8ff97d359a77065d01fcommit | diff
dm-raid: fix a race condition in request handling

raid_map calls pers->make_request, which missed the suspend check. Fix it with
the new md_handle_request API.

Fix: cc27b0c78c79(md: fix deadlock between mddev_suspend() and md_write_start())
Cc: Heinz Mauelshagen <heinzm@redhat.com>
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
drivers/md/dm-raid.c diff | blob | blame | history
Michael's Linux tree.