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Casting function pointers breaks control flow enforcement and is
generally a horrible coding style.
Add two wrappers to get rid of these casts.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Use nvme core helper nvme_cancel_tagset and nvme_cancel_admin_tagset
instead of same logic code.
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Ruozhu Li <liruozhu@huawei.com>
Reviewed-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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With new API blk_mq_is_reserved_rq() we can tell if a request is from
the reserved pool, so stop passing 'reserved' arg. There is actually
only a single user of that arg for all the callback implementations, which
can use blk_mq_is_reserved_rq() instead.
This will also allow us to stop passing the same 'reserved' around the
blk-mq iter functions next.
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # For MMC
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/1657109034-206040-4-git-send-email-john.garry@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Set the queue dying flag and call blk_mq_exit_queue from del_gendisk for
all disks that do not have separately allocated queues, and thus remove
the need to call blk_cleanup_queue for them.
Rename blk_cleanup_disk to blk_mq_destroy_queue to make it clear that
this function is intended only for separately allocated blk-mq queues.
This saves an extra queue freeze for devices without a separately
allocated queue.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20220619060552.1850436-6-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The new nvme-apple driver is missing a few conversions to and
from little-endian data:
drivers/nvme/host/apple.c:291:19: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] prp1 @@ got restricted __le64 [usertype] prp1 @@
drivers/nvme/host/apple.c:291:19: sparse: expected unsigned long long [usertype] prp1
drivers/nvme/host/apple.c:291:19: sparse: got restricted __le64 [usertype] prp1
drivers/nvme/host/apple.c:292:19: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] prp2 @@ got restricted __le64 [usertype] prp2 @@
drivers/nvme/host/apple.c:293:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] length @@ got restricted __le16 [usertype] length @@
drivers/nvme/host/apple.c:351:52: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned int [usertype] next_dma_addr @@ got restricted __le64 [usertype] @@
drivers/nvme/host/apple.c:456:45: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le64 [usertype] @@ got unsigned int [addressable] [usertype] prp_dma @@
drivers/nvme/host/apple.c:459:31: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le64 [usertype] @@ got unsigned long long [assigned] [usertype] dma_addr @@
drivers/nvme/host/apple.c:474:25: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le64 [usertype] prp1 @@ got unsigned int [usertype] dma_address @@
drivers/nvme/host/apple.c:475:25: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le64 [usertype] prp2 @@ got unsigned int [usertype] first_dma @@
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Apple SoCs such as the M1 come with an embedded NVMe controller that
is not attached to any PCIe bus. Additionally, it doesn't conform
to the NVMe specification and requires a bunch of changes to command
submission and IOMMU configuration to work.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sven Peter <sven@svenpeter.dev>
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