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authorJeff Layton <jlayton@redhat.com>2011-12-01 22:44:39 +0100
committerRafael J. Wysocki <rjw@sisk.pl>2011-12-06 22:12:27 +0100
commitd310310cbff18ec385c6ab4d58f33b100192a96a (patch)
tree801dbbef1552256e7cefc7ec08dcd41b30a9930b /net
parent62c9ea6b120688d800b4d892eaf737c20a73e86b (diff)
Freezer / sunrpc / NFS: don't allow TASK_KILLABLE sleeps to block the freezer
Allow the freezer to skip wait_on_bit_killable sleeps in the sunrpc layer. This should allow suspend and hibernate events to proceed, even when there are RPC's pending on the wire. Also, wrap the TASK_KILLABLE sleeps in NFS layer in freezer_do_not_count and freezer_count calls. This allows the freezer to skip tasks that are sleeping while looping on EJUKEBOX or NFS4ERR_DELAY sorts of errors. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/sched.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index d12ffa54581..5317b9341b5 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -18,6 +18,7 @@
#include <linux/smp.h>
#include <linux/spinlock.h>
#include <linux/mutex.h>
+#include <linux/freezer.h>
#include <linux/sunrpc/clnt.h>
@@ -231,7 +232,7 @@ static int rpc_wait_bit_killable(void *word)
{
if (fatal_signal_pending(current))
return -ERESTARTSYS;
- schedule();
+ freezable_schedule();
return 0;
}