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| author | Lars Ellenberg <lars.ellenberg@linbit.com> | 2012-09-26 16:22:40 +0400 |
|---|---|---|
| committer | Philipp Reisner <philipp.reisner@linbit.com> | 2012-11-09 17:11:40 +0400 |
| commit | 8747d30af97232f9ff4cde78b8d259cc715a9b7a (patch) | |
| tree | 4c983fe736a4bdfc80f7a978011d01932ec85e02 /drivers/block/drbd/drbd_bitmap.c | |
| parent | bc891c9ae3fb2848922e0f0da22fd7de0d58dc1b (diff) | |
| download | linux-8747d30af97232f9ff4cde78b8d259cc715a9b7a.tar.xz | |
drbd: a few more GFP_KERNEL -> GFP_NOIO
This has not yet been observed, but conceivably, when using GFP_KERNEL
allocations from drbd_md_sync(), drbd_flush_after_epoch() or
receive_SyncParam(), we could trigger additional IO to our own device,
or an other device in a criss-cross setup, and end up in a local
deadlock, or potentially a distributed deadlock in a criss-cross setup
involving the peer blocked in a similar way waiting for us to make
progress.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_bitmap.c')
0 files changed, 0 insertions, 0 deletions