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commitb8eee0e90fupstream. Commit9d5b86ac13("fs/locks: Remove fl_nspid and use fs-specific l_pid for remote locks") specified that the l_pid returned for F_GETLK on a local file that has a remote lock should be the pid of the lock manager process. That commit, while updating other filesystems, failed to update lockd, such that locks created by lockd had their fl_pid set to that of the remote process holding the lock. Fix that here to be the pid of lockd. Also, fix the client case so that the returned lock pid is negative, which indicates a remote lock on a remote file. Fixes:9d5b86ac13("fs/locks: Remove fl_nspid and use fs-specific...") Cc: stable@vger.kernel.org Signed-off-by: Benjamin Coddington <bcodding@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.