Steve French
fae8044c03
smb3: show number of current open files in /proc/fs/cifs/Stats
To allow better debugging (for example applications with handle leaks, or complex reconnect scenarios) display the number of open files (on the client) and number of open server file handles for each tcon in /proc/fs/cifs/Stats. Note that open files on server is one larger than local due to handle caching (in this case of the root of the share). In this example there are two local open files, and three (two file and one directory handle) open on the server. Sample output: $ cat /proc/fs/cifs/Stats Resources in use CIFS Session: 1 Share (unique mount targets): 2 SMB Request/Response Buffer: 1 Pool size: 5 SMB Small Req/Resp Buffer: 1 Pool size: 30 Operations (MIDs): 0 0 session 0 share reconnects Total vfs operations: 36 maximum at one time: 2 1) \\localhost\test SMBs: 69 Bytes read: 27 Bytes written: 0 Open files: 2 total (local), 3 open on server TreeConnects: 1 total 0 failed TreeDisconnects: 0 total 0 failed Creates: 19 total 0 failed Closes: 16 total 0 failed ... Signed-off-by: Steve French <stfrench@microsoft.com>
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.
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