diff options
Diffstat (limited to 'fs/cifs/README')
| -rw-r--r-- | fs/cifs/README | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/fs/cifs/README b/fs/cifs/README index 34b0cf7111f..bb90941826a 100644 --- 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 @@ -407,6 +409,13 @@ A partial list of the supported mount options follows: This has no effect if the server does not support Unicode on the wire. nomapchars Do not translate any of these seven characters (default). + nocase Request case insensitive path name matching (case + sensitive is the default if the server suports it). + nobrl Do not send byte range lock requests to the server. + This is necessary for certain applications that break + with cifs style mandatory byte range locks (and most + cifs servers do not yet support requesting advisory + byte range locks). remount remount the share (often used to change from ro to rw mounts or vice versa) @@ -473,9 +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 |