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commit33b14f67a4upstream. We should be registering the ns_id attribute as default sysfs attribute groups, otherwise we have a race condition between the uevent and the attributes appearing in sysfs. [Backport Notes] Resolve two context conflicts introduced by following two commits. These two commits are applied after the current commit in upstream, while have been merged into 4.19.y stable tree before the current commit. 1. drivers/nvme/host/core.c:nvme_ns_remove, introduced by commit2181e45561("nvme: fix possible io failures when removing multipathed ns"). 2. drivers/nvme/host/multipath.c:nvme_mpath_set_live, introduced by commit5e416b11b4("nvme-multipath: fix possible I/O hang when paths are updated"). Suggested-by: Bart van Assche <bvanassche@acm.org> Reviewed-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.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.