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authorJohn W. Linville <linville@tuxdriver.com>2012-02-15 16:24:37 -0500
committerJohn W. Linville <linville@tuxdriver.com>2012-02-15 16:24:37 -0500
commitca994a36f585432458ead9133fcfe05440edbb7b (patch)
treebe05512153a9cd5cbe1f1234bc09fd9cd388ec58 /include/linux/migrate_mode.h
parent12325280dfeba18164f9c47e226a40ab34e23ee7 (diff)
parent2504a6423b9ab4c36df78227055995644de19edb (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Conflicts: net/mac80211/debugfs_sta.c net/mac80211/sta_info.h
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 */