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844e5c0eb1
When looking at performance issues around directory caching, or debugging directory lease issues, it is helpful to be able to display the current directory leases (as we can e.g. or open files). Create pseudo-file /proc/fs/cifs/open_dirs that displays current directory leases. Here is sample output: cat /proc/fs/cifs/open_dirs Version:1 Format: <tree id> <sess id> <persistent fid> <path> Num entries: 3 0xce4c1c68 0x7176aa54 0xd95ef58e \dira valid file info, valid dirents 0xce4c1c68 0x7176aa54 0xd031e211 \dir5 valid file info, valid dirents 0xce4c1c68 0x7176aa54 0x96533a90 \dir1 valid file info Reviewed-by: Bharath SM <bharathsm@microsoft.com> 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 reStructuredText markup notation.
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.