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Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Commit d8d595df introduced a bug where we did not check for a NULL
return from kmalloc(). Make rsxx_eeh_save_issued_dmas() return an
error for that case, and make the callers handle that.
Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This patch removes dynamic allocation on the stack error.
Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Spotted by Fenguan Wu's super build robot.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Changes in v2 include:
o Fixed spelling of guarantee.
o Fixed potential memory leak if slot reset fails out.
o Changed list_for_each_entry_safe with list_for_each_entry.
Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This patch includes a simple change to the rsxx_pci_remove
function that caused error messages because traffic was halted
too early.
Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This patch includes changing the hardware branding name from
IBM RamSan to IBM FlashSystem.
v2 Changes include:
o Removing the unnecessary IBM Vendor ID #define
v1 Changes include:
o Changed all references of RamSan to FlashSystem.
o Changed the vendor/device IDs for the product.
o Changed driver version number.
o Updated the MAINTAINERS file.
o Various other little things.
Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This patch includes changes to the cregs locking scheme. Before,
inconsistant locking would occur because of misuse of spin_lock,
spin_lock_bh, and counter parts.
Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This patch includes trivial changes that were recommended by
different members of the Linux Community.
Changes include:
o Removing the redundant wmb().
o Formatting
o Various other little things.
Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This patch includes the following driver fixes for the
IBM RamSan 70/80 driver:
o Changed the creg_ctrl lock from a mutex to a spinlock.
o Added a count check for ioctl calls.
o Removed unnecessary casting of void pointers.
o Made every function static that needed to be.
o Added comments to explain things more thoroughly.
Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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kbuild test robot says:
tree: git://git.kernel.dk/linux-block.git for-3.9/drivers
head: 1262e24a59a052f9a98383e47e7c903712490d5c
commit: 8722ff8cdbfac9c1b20e67bb067b455c48cb8e93 [6/8] block: IBM RamSan 70/80 device driver
config: make ARCH=alpha allyesconfig
All error/warnings:
drivers/block/rsxx/dma.c: In function 'rsxx_complete_dma':
>> drivers/block/rsxx/dma.c:251:2: error: implicit declaration of function 'kmem_cache_free' [-Werror=implicit-function-declaration]
drivers/block/rsxx/dma.c: In function 'rsxx_queue_discard':
>> drivers/block/rsxx/dma.c:567:2: error: implicit declaration of function 'kmem_cache_alloc' [-Werror=implicit-function-declaration]
>> drivers/block/rsxx/dma.c:567:6: warning: assignment makes pointer from integer without a cast [enabled by default]
drivers/block/rsxx/dma.c: In function 'rsxx_queue_dma':
>> drivers/block/rsxx/dma.c:601:6: warning: assignment makes pointer from integer without a cast [enabled by default]
drivers/block/rsxx/dma.c: In function 'rsxx_dma_init':
>> drivers/block/rsxx/dma.c:985:2: error: implicit declaration of function 'KMEM_CACHE' [-Werror=implicit-function-declaration]
>> drivers/block/rsxx/dma.c:985:29: error: 'rsxx_dma' undeclared (first use in this function)
drivers/block/rsxx/dma.c:985:29: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/block/rsxx/dma.c:985:39: error: 'SLAB_HWCACHE_ALIGN' undeclared (first use in this function)
drivers/block/rsxx/dma.c: In function 'rsxx_dma_cleanup':
>> drivers/block/rsxx/dma.c:995:2: error: implicit declaration of function 'kmem_cache_destroy' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This patch includes the device driver for the IBM RamSan
family of PCI SSD flash storage cards. This driver will
include support for the RamSan 70 and 80. The driver
presents a block device for device I/O.
Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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