Merge branch 'for-3.19/drivers' of git://git.kernel.dk/linux-block
Pull block layer driver updates from Jens Axboe: - NVMe updates: - The blk-mq conversion from Matias (and others) - A stack of NVMe bug fixes from the nvme tree, mostly from Keith. - Various bug fixes from me, fixing issues in both the blk-mq conversion and generic bugs. - Abort and CPU online fix from Sam. - Hot add/remove fix from Indraneel. - A couple of drbd fixes from the drbd team (Andreas, Lars, Philipp) - With the generic IO stat accounting from 3.19/core, converting md, bcache, and rsxx to use those. From Gu Zheng. - Boundary check for queue/irq mode for null_blk from Matias. Fixes cases where invalid values could be given, causing the device to hang. - The xen blkfront pull request, with two bug fixes from Vitaly. * 'for-3.19/drivers' of git://git.kernel.dk/linux-block: (56 commits) NVMe: fix race condition in nvme_submit_sync_cmd() NVMe: fix retry/error logic in nvme_queue_rq() NVMe: Fix FS mount issue (hot-remove followed by hot-add) NVMe: fix error return checking from blk_mq_alloc_request() NVMe: fix freeing of wrong request in abort path xen/blkfront: remove redundant flush_op xen/blkfront: improve protection against issuing unsupported REQ_FUA NVMe: Fix command setup on IO retry null_blk: boundary check queue_mode and irqmode block/rsxx: use generic io stats accounting functions to simplify io stat accounting md: use generic io stats accounting functions to simplify io stat accounting drbd: use generic io stats accounting functions to simplify io stat accounting md/bcache: use generic io stats accounting functions to simplify io stat accounting NVMe: Update module version major number NVMe: fail pci initialization if the device doesn't have any BARs NVMe: add ->exit_hctx() hook NVMe: make setup work for devices that don't do INTx NVMe: enable IO stats by default NVMe: nvme_submit_async_admin_req() must use atomic rq allocation NVMe: replace blk_put_request() with blk_mq_free_request() ...
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