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Date: Tue, 17 May 2016 09:15:57 -0600 From: Jens Axboe <axboe@...com> To: <torvalds@...uxfoundation.org> CC: <linux-kernel@...r.kernel.org> Subject: [GIT PULL] Core block IO changes for 4.7-rc1 Hi Linus, This is the core block IO changes for this merge window. Nothing earth shattering in here, it's mostly just fixes. In detail: - Fix for a long standing issue where wrong ordering in blk-mq caused order_to_size() to spew a warning. From Bart. - Async discard support from Christoph. Basically just splitting our sync interface into a submit + wait part. - Add a cleaner interface for flagging whether a device has a write back cache or not. We've previously overloaded blk_queue_flush() with this, but let's make it more explicit. Drivers cleaned up and updated in the drivers pull request. From me. - Fix for a double check for whether IO accounting is enabled or not. From Michael Callahan. - Fix for the async discard from Mike Snitzer, reinstating the early EOPNOTSUPP return if the device doesn't support discards. - Also from Mike, export bio_inc_remaining() so dm can drop it's private copy of it. - From Ming Lin, add support for passing in an offset for request payloads. - Tag function export from Sagi, which will be used in NVMe in the drivers pull. - Two blktrace related fixes from Shaohua. - Propagate NOMERGE flag when making a request from a bio, also from Shaohua. - An optimization to not parse cgroup paths in blk-throttle, if we don't need to. From Shaohua. Please pull! git://git.kernel.dk/linux-block.git for-4.7/core ---------------------------------------------------------------- Bartlomiej Zolnierkiewicz (1): blk-mq: fix undefined behaviour in order_to_size() Christoph Hellwig (2): block: remove struct bio_batch block: add __blkdev_issue_discard Jens Axboe (1): block: add ability to flag write back caching on a device Michael Callahan (1): block: Minor blk_account_io_start usage cleanup Mike Snitzer (2): block: reinstate early return of -EOPNOTSUPP from blkdev_issue_discard block: make bio_inc_remaining() interface accessible again Ming Lin (1): block: add offset in blk_add_request_payload() Sagi Grimberg (1): blk-mq: Export tagset iter function Shaohua Li (4): block: copy NOMERGE flag from bio to request blktrace: delete garbage for message trace blktrace: add missed mask name blk-throttle: don't parse cgroup path if trace isn't enabled Documentation/block/queue-sysfs.txt | 9 ++ block/bio.c | 11 --- block/blk-core.c | 5 +- block/blk-lib.c | 178 +++++++++++++----------------------- block/blk-mq-tag.c | 12 +++ block/blk-mq.c | 5 +- block/blk-settings.c | 26 ++++++ block/blk-sysfs.c | 39 ++++++++ block/blk-throttle.c | 5 +- drivers/block/skd_main.c | 2 +- drivers/scsi/sd.c | 2 +- include/linux/bio.h | 11 +++ include/linux/blk-mq.h | 2 + include/linux/blk_types.h | 2 +- include/linux/blkdev.h | 7 +- include/linux/blktrace_api.h | 9 ++ kernel/trace/blktrace.c | 2 + 17 files changed, 190 insertions(+), 137 deletions(-) -- Jens Axboe
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