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-rw-r--r--fs/cifs/cifs_debug.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/cifs/cifs_debug.h b/fs/cifs/cifs_debug.h
index 72db2987e066..631dc1bb21c1 100644
--- a/fs/cifs/cifs_debug.h
+++ b/fs/cifs/cifs_debug.h
@@ -47,6 +47,18 @@ extern int cifsFYI;
*/
#ifdef CONFIG_CIFS_DEBUG
+
+/*
+ * When adding tracepoints and debug messages we have various choices.
+ * Some considerations:
+ *
+ * Use cifs_dbg(VFS, ...) for things we always want logged, and the user to see
+ * cifs_info(...) slightly less important, admin can filter via loglevel > 6
+ * cifs_dbg(FYI, ...) minor debugging messages, off by default
+ * trace_smb3_* ftrace functions are preferred for complex debug messages
+ * intended for developers or experienced admins, off by default
+ */
+
/* Information level messages, minor events */
#define cifs_info_func(ratefunc, fmt, ...) \
do { \