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4b6afe9bc9
When testing with poll mode, it will fail and lead to warning below on client side: $ echo "sessname=bla path=gid:fe80::2:c903:4e:d0b3@gid:fe80::2:c903:8:ca17 device_path=/dev/nullb2 nr_poll_queues=-1" | \ sudo tee /sys/devices/virtual/rnbd-client/ctl/map_device rnbd_client L597: Mapping device /dev/nullb2 on session bla, (access_mode: rw, nr_poll_queues: 8) WARNING: CPU: 3 PID: 9886 at drivers/infiniband/core/cq.c:447 ib_cq_pool_get+0x26f/0x2a0 [ib_core] The problem is in case of poll queue, we need to still call ib_alloc_cq/ib_free_cq, we can't use cq_poll api for poll queue. As both client and server use shared function from rtrs, set irq_con_num to con_num on server side, which is number of total connection of the session, this way we can differ if the rtrs_con requires pollqueue. Following up patches will replace the duplicate code with helpers. Link: https://lore.kernel.org/r/20210922125333.351454-4-haris.iqbal@ionos.com Signed-off-by: Jack Wang <jinpu.wang@ionos.com> Reviewed-by: Gioh Kim <gi-oh.kim@ionos.com> Signed-off-by: Md Haris Iqbal <haris.iqbal@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> |
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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.