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authorMikulas Patocka <mpatocka@redhat.com>2008-07-21 12:00:35 +0100
committerAlasdair G Kergon <agk@redhat.com>2008-07-21 12:00:35 +0100
commit92e868122edf08b9fc06b112e7e0c80ab94c1f93 (patch)
tree9cd2e5e2f15adcaf1b8d3f8f55d5a676ad40bfd6 /drivers/md/dm-snap.h
parenta8d41b59f3f5a7ac19452ef442a7fc1b5fa17366 (diff)
downloadop-kernel-dev-92e868122edf08b9fc06b112e7e0c80ab94c1f93.zip
op-kernel-dev-92e868122edf08b9fc06b112e7e0c80ab94c1f93.tar.gz
dm snapshot: use per device mempools
Change snapshot per-module mempool to per-device mempool. Per-module mempools could cause a deadlock if multiple snapshot devices are stacked above each other. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm-snap.h')
-rw-r--r--drivers/md/dm-snap.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/dm-snap.h b/drivers/md/dm-snap.h
index 70dc961..292c156 100644
--- a/drivers/md/dm-snap.h
+++ b/drivers/md/dm-snap.h
@@ -161,6 +161,8 @@ struct dm_snapshot {
/* The last percentage we notified */
int last_percent;
+ mempool_t *pending_pool;
+
struct exception_table pending;
struct exception_table complete;
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