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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-02-10 11:12:55 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-02-10 11:13:53 -0800
commit7483948fdd31a8642ef0288aab6f368b98d53c29 (patch)
tree031020a5553701d2aae8dddb0fa509aa65854eb1 /include/linux/migrate_mode.h
parent22a416c4e0f2179b57028e084ac0ed2c110333bd (diff)
parentfe250923bbbbcbccc9aa7b84d05ee7a060450534 (diff)
Merge tag 'usb-3.3-rc3' into usb-next
This is done to resolve a merge conflict with: drivers/usb/class/cdc-wdm.c and to better handle future patches for this driver as it is under active development at the moment. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/migrate_mode.h')
-rw-r--r--include/linux/migrate_mode.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/migrate_mode.h b/include/linux/migrate_mode.h
new file mode 100644
index 000000000000..ebf3d89a3919
--- /dev/null
+++ b/include/linux/migrate_mode.h
@@ -0,0 +1,16 @@
+#ifndef MIGRATE_MODE_H_INCLUDED
+#define MIGRATE_MODE_H_INCLUDED
+/*
+ * MIGRATE_ASYNC means never block
+ * MIGRATE_SYNC_LIGHT in the current implementation means to allow blocking
+ * on most operations but not ->writepage as the potential stall time
+ * is too significant
+ * MIGRATE_SYNC will block when migrating pages
+ */
+enum migrate_mode {
+ MIGRATE_ASYNC,
+ MIGRATE_SYNC_LIGHT,
+ MIGRATE_SYNC,
+};
+
+#endif /* MIGRATE_MODE_H_INCLUDED */