mirror of https://gitee.com/openkylin/linux.git
64d452b356
When creating a loop controller (ctrl) in nvme_loop_create_ctrl() ->
nvme_init_ctrl() we set the ctrl state to NVME_CTRL_NEW.
Prior to [1] NVME_CTRL_NEW state was allowed in nvmf_check_ready() for
fabrics command type connect. Now, this fails in the following code path
for fabrics connect command when creating admin queue :-
nvme_loop_create_ctrl()
nvme_loo_configure_admin_queue()
nvmf_connect_admin_queue()
__nvme_submit_sync_cmd()
blk_execute_rq()
nvme_loop_queue_rq()
nvmf_check_ready()
# echo "transport=loop,nqn=fs" > /dev/nvme-fabrics
[ 6047.741327] nvmet: adding nsid 1 to subsystem fs
[ 6048.756430] nvme nvme1: Connect command failed, error wo/DNR bit: 880
We need to set the ctrl state to NVME_CTRL_CONNECTING after :-
nvme_loop_create_ctrl()
nvme_init_ctrl()
so that the above mentioned check for nvmf_check_ready() will return
true.
This patch sets the ctrl state to connecting after we init the ctrl in
nvme_loop_create_ctrl()
nvme_init_ctrl() .
[1] commit aa63fa6776a7 ("nvme-fabrics: allow to queue requests for live queues")
Fixes: aa63fa6776a7 ("nvme-fabrics: allow to queue requests for live queues")
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Tested-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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README
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.
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.