Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6

[linux-2.6-omap-h63xx.git] / fs / cifs / README

diff --git a/fs/cifs/README b/fs/cifs/README
index 3b610d08dc1e32353b600fc844c841a24b00905a..bb90941826adb4e60d662d930aa293055c42cd2b 100644 (file)
--- a/fs/cifs/README
+++ b/fs/cifs/README
@@ -294,8 +294,10 @@ A partial list of the supported mount options follows:
                during the local client kernel build will be used.
                If server does not support Unicode, this parameter is
                unused.
-  rsize                default read size
-  wsize                default write size
+  rsize                default read size (usually 16K)
+  wsize                default write size (usually 16K, 32K is often better over GigE)
+               maximum wsize currently allowed by CIFS is 57344 (14 4096 byte
+               pages)
   rw           mount the network share read-write (note that the
                server may still consider the share read-only)
   ro           mount network share read-only
@@ -480,9 +482,16 @@ These experimental features and tracing can be enabled by changing flags in
 kernel, e.g.  insmod cifs).  To enable a feature set it to 1 e.g.  to enable 
 tracing to the kernel message log type: 
 
-       echo 1 > /proc/fs/cifs/cifsFYI
+       echo 7 > /proc/fs/cifs/cifsFYI
        
-and for more extensive tracing including the start of smb requests and responses
+cifsFYI functions as a bit mask. Setting it to 1 enables additional kernel
+logging of various informational messages.  2 enables logging of non-zero
+SMB return codes while 4 enables logging of requests that take longer
+than one second to complete (except for byte range lock requests). 
+Setting it to 4 requires defining CONFIG_CIFS_STATS2 manually in the
+source code (typically by setting it in the beginning of cifsglob.h),
+and setting it to seven enables all three.  Finally, tracing
+the start of smb requests and responses can be enabled via:
 
        echo 1 > /proc/fs/cifs/traceSMB