dlm: use more NOFS allocation
Change some GFP_KERNEL allocations to use either GFP_NOFS or
ls_allocation (when available) which the fs sets to GFP_NOFS.
The point is to prevent allocations from going back into the
cluster fs in places where that might lead to deadlock.
Signed-off-by: David Teigland <teigland@redhat.com>
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 2559a97..cdb580a 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -500,7 +500,7 @@
return;
}
- new_con = nodeid2con(nodeid, GFP_KERNEL);
+ new_con = nodeid2con(nodeid, GFP_NOFS);
if (!new_con)
return;
@@ -736,7 +736,7 @@
* the same time and the connections cross on the wire.
* In this case we store the incoming one in "othercon"
*/
- newcon = nodeid2con(nodeid, GFP_KERNEL);
+ newcon = nodeid2con(nodeid, GFP_NOFS);
if (!newcon) {
result = -ENOMEM;
goto accept_err;
@@ -746,7 +746,7 @@
struct connection *othercon = newcon->othercon;
if (!othercon) {
- othercon = kmem_cache_zalloc(con_cache, GFP_KERNEL);
+ othercon = kmem_cache_zalloc(con_cache, GFP_NOFS);
if (!othercon) {
log_print("failed to allocate incoming socket");
mutex_unlock(&newcon->sock_mutex);