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f79ea41614
linux/block
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Kent Overstreet f79ea41614 block: Refactor blk_update_request() 
Converts it to use bio_advance(), simplifying it quite a bit in the
process.

Note that req_bio_endio() now always calls bio_advance() - which means
it always loops over the biovec, not just on partial completions. Don't
expect it to affect performance, but worth noting.

Tested it by forcing partial updates, and dumping before and after on
various bio/bvec fields when doing a partial update.

Signed-off-by: Kent Overstreet <koverstreet@google.com>
CC: Jens Axboe <axboe@kernel.dk>
2013-03-23 14:15:28 -07:00
..
partitions block/partitions: optimize memory allocation in check_partition() 2013-02-27 19:10:21 -08:00
blk-cgroup.c Merge branch 'for-3.9/core' of git://git.kernel.dk/linux-block 2013-02-28 12:52:24 -08:00
blk-cgroup.h blkcg: implement blkg_[rw]stat_recursive_sum() and blkg_[rw]stat_merge() 2013-01-09 08:05:12 -08:00
blk-core.c block: Refactor blk_update_request() 2013-03-23 14:15:28 -07:00
blk-exec.c Merge branch 'for-3.9/core' of git://git.kernel.dk/linux-block 2013-02-28 12:52:24 -08:00
blk-flush.c block: account iowait time when waiting for completion of IO request 2013-02-15 16:45:07 +01:00
blk-integrity.c bdi: allow block devices to say that they require stable page writes 2013-02-21 17:22:19 -08:00
blk-ioc.c hlist: drop the node parameter from iterators 2013-02-27 19:10:24 -08:00
blk-iopoll.c tree-wide: fix assorted typos all over the place 2009-12-04 15:39:55 +01:00
blk-lib.c block: account iowait time when waiting for completion of IO request 2013-02-15 16:45:07 +01:00
blk-map.c block: re-use existing 'reading' variable instead of checking direction again 2011-12-21 15:27:24 +01:00
blk-merge.c block: Implement support for WRITE SAME 2012-09-20 14:31:45 +02:00
blk-settings.c block: discard granularity might not be power of 2 2012-12-14 20:46:04 +01:00
blk-softirq.c sched, block: Unify cache detection 2012-01-27 13:28:48 +01:00
blk-sysfs.c block: RCU free request_queue 2013-01-09 08:05:13 -08:00
blk-tag.c block/blk-tag.c: Remove useless kfree 2012-09-12 22:25:12 +02:00
blk-throttle.c block: Rename queue dead flag 2012-12-06 14:30:58 +01:00
blk-timeout.c block: Drop dead function blk_abort_queue() 2012-06-15 08:46:23 +02:00
blk.h block,elevator: use new hashtable implementation 2013-01-11 14:43:13 +01:00
bsg-lib.c bsg: Remove unused function bsg_goose_queue() 2012-12-06 14:33:02 +01:00
bsg.c hlist: drop the node parameter from iterators 2013-02-27 19:10:24 -08:00
cfq-iosched.c Merge branch 'for-3.9/core' of git://git.kernel.dk/linux-block 2013-02-28 12:52:24 -08:00
compat_ioctl.c block: Add BLKROTATIONAL ioctl 2012-01-11 16:29:31 +01:00
deadline-iosched.c deadline: Allow 0ms deadline latency, increase the read speed 2012-12-09 19:19:23 +01:00
elevator.c Merge branch 'for-3.9/core' of git://git.kernel.dk/linux-block 2013-02-28 12:52:24 -08:00
genhd.c block: convert to idr_alloc() 2013-02-27 19:10:15 -08:00
ioctl.c Merge branch 'for-3.7/core' of git://git.kernel.dk/linux-block 2012-10-11 09:04:23 +09:00
Kconfig block: don't select PERCPU_RWSEM 2013-02-22 10:42:45 +01:00
Kconfig.iosched blkcg: make CONFIG_BLK_CGROUP bool 2012-03-06 21:27:21 +01:00
Makefile separate partition format handling from generic code 2012-01-03 22:54:06 -05:00
noop-iosched.c elevator: make elevator_init_fn() return 0/-errno 2012-03-06 21:27:21 +01:00
partition-generic.c block/partitions: optimize memory allocation in check_partition() 2013-02-27 19:10:21 -08:00
scsi_ioctl.c scsi: Silence unnecessary warnings about ioctl to partition 2012-06-15 12:52:46 +02:00