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-rw-r--r--fs/cifs/README20
1 files changed, 17 insertions, 3 deletions
diff --git a/fs/cifs/README b/fs/cifs/README
index 93fe3594274f..80fcfb82eafd 100644
--- a/fs/cifs/README
+++ b/fs/cifs/README
@@ -472,7 +472,7 @@ including:
-V print mount.cifs version
-? display simple usage information
-With recent 2.6 kernel versions of modutils, the version of the cifs kernel
+With most 2.6 kernel versions of modutils, the version of the cifs kernel
module can be displayed via modinfo.
Misc /proc/fs/cifs Flags and Debug Info
@@ -521,8 +521,22 @@ SecurityFlags Flags which control security negotiation and
must use plaintext passwords 0x20020
(reserved for future packet encryption) 0x00040
-cifsFYI If set to one, additional debug information is
- logged to the system error log. (default 0)
+cifsFYI If set to non-zero value, additional debug information
+ will be logged to the system error log. This field
+ contains three flags controlling different classes of
+ debugging entries. The maximum value it can be set
+ to is 7 which enables all debugging points (default 0).
+ Some debugging statements are not compiled into the
+ cifs kernel unless CONFIG_CIFS_DEBUG2 is enabled in the
+ kernel configuration. cifsFYI may be set to one or
+ nore of the following flags (7 sets them all):
+
+ log cifs informational messages 0x01
+ log return codes from cifs entry points 0x02
+ log slow responses (ie which take longer than one second)
+ CONFIG_CIFS_STATS2 must be enabled in .config 0x03
+
+
traceSMB If set to one, debug information is logged to the
system error log with the start of smb requests
and responses (default 0)