Revision 732f30694325ab586a4d90412ace81e50dfe448e authored by Linus Torvalds on 29 June 2022, 16:20:40 UTC, committed by Linus Torvalds on 29 June 2022, 16:20:40 UTC
Pull ksmbd server fixes from Steve French: - seek null check (don't use f_seek op directly and blindly) - offset validation in FSCTL_SET_ZERO_DATA - fallocate fix (relates e.g. to xfstests generic/091 and 263) - two cleanup fixes - fix socket settings on some arch * tag '5.19-rc4-ksmbd-server-fixes' of git://git.samba.org/ksmbd: ksmbd: use vfs_llseek instead of dereferencing NULL ksmbd: check invalid FileOffset and BeyondFinalZero in FSCTL_ZERO_DATA ksmbd: set the range of bytes to zero without extending file size in FSCTL_ZERO_DATA ksmbd: remove duplicate flag set in smb2_write ksmbd: smbd: Remove useless license text when SPDX-License-Identifier is already used ksmbd: use SOCK_NONBLOCK type for kernel_accept()
blk-mq-rdma.c
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2017 Sagi Grimberg.
*/
#include <linux/blk-mq.h>
#include <linux/blk-mq-rdma.h>
#include <rdma/ib_verbs.h>
/**
* blk_mq_rdma_map_queues - provide a default queue mapping for rdma device
* @map: CPU to hardware queue map.
* @dev: rdma device to provide a mapping for.
* @first_vec: first interrupt vectors to use for queues (usually 0)
*
* This function assumes the rdma device @dev has at least as many available
* interrupt vetors as @set has queues. It will then query it's affinity mask
* and built queue mapping that maps a queue to the CPUs that have irq affinity
* for the corresponding vector.
*
* In case either the driver passed a @dev with less vectors than
* @set->nr_hw_queues, or @dev does not provide an affinity mask for a
* vector, we fallback to the naive mapping.
*/
int blk_mq_rdma_map_queues(struct blk_mq_queue_map *map,
struct ib_device *dev, int first_vec)
{
const struct cpumask *mask;
unsigned int queue, cpu;
for (queue = 0; queue < map->nr_queues; queue++) {
mask = ib_get_vector_affinity(dev, first_vec + queue);
if (!mask)
goto fallback;
for_each_cpu(cpu, mask)
map->mq_map[cpu] = map->queue_offset + queue;
}
return 0;
fallback:
return blk_mq_map_queues(map);
}
EXPORT_SYMBOL_GPL(blk_mq_rdma_map_queues);
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