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path: root/block/cfq-iosched.c
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2013-02-28Merge branch 'for-3.9/core' of git://git.kernel.dk/linux-blockLinus Torvalds1-118/+511
2013-02-27hlist: drop the node parameter from iteratorsSasha Levin1-2/+1
2013-02-22cfq: fix lock imbalance with failed allocationsGlauber Costa1-0/+2
2013-01-09cfq-iosched: add hierarchical cfq_group statisticsTejun Heo1-0/+105
2013-01-09cfq-iosched: collect stats from dead cfqgsTejun Heo1-1/+56
2013-01-09cfq-iosched: separate out cfqg_stats_reset() from cfq_pd_reset_stats()Tejun Heo1-4/+9
2013-01-09blkcg: s/blkg_rwstat_sum()/blkg_rwstat_total()/Tejun Heo1-2/+2
2013-01-09cfq-iosched: enable full blkcg hierarchy supportTejun Heo1-15/+6
2013-01-09cfq-iosched: convert cfq_group_slice() to use cfqg->vfractionTejun Heo1-6/+1
2013-01-09cfq-iosched: implement hierarchy-ready cfq_group charge scalingTejun Heo1-30/+77
2013-01-09cfq-iosched: implement cfq_group->nr_active and ->children_weightTejun Heo1-0/+76
2013-01-09cfq-iosched: add leaf_weightTejun Heo1-8/+126
2013-01-09cfq-iosched: Print sync-noidle information in blktrace messagesVivek Goyal1-3/+7
2013-01-09cfq-iosched: Get rid of unnecessary local variableVivek Goyal1-6/+2
2013-01-09cfq-iosched: Rename few functions related to selecting workloadVivek Goyal1-4/+5
2013-01-09cfq-iosched: Rename "service_tree" to "st" at some placesVivek Goyal1-41/+36
2013-01-09cfq-iosched: More renaming to better represent wl_class and wl_typeVivek Goyal1-31/+33
2013-01-09cfq-iosched: Properly name all references to IO classVivek Goyal1-33/+34
2012-11-06block CFQ: avoid moving request to different queueShaohua Li1-1/+2
2012-06-04block: blkcg_policy_cfq shouldn't be used if !CONFIG_CFQ_GROUP_IOSCHEDTejun Heo1-12/+17
2012-06-04block: fix return value on cfq_init() failureTejun Heo1-0/+1
2012-05-01Merge tag 'v3.4-rc5' into for-3.5/coreJens Axboe1-2/+8
2012-04-20blkcg: collapse blkcg_policy_ops into blkcg_policyTejun Heo1-6/+5
2012-04-20blkcg: embed struct blkg_policy_data in policy specific dataTejun Heo1-19/+27
2012-04-20blkcg: mass rename of blkcg APITejun Heo1-39/+39
2012-04-20blkcg: remove blkio_group->path[]Tejun Heo1-7/+14
2012-04-20blkcg: drop stuff unused after per-queue policy activation updateTejun Heo1-1/+1
2012-04-20blkcg: implement per-queue policy activationTejun Heo1-21/+16
2012-04-20blkcg: add request_queue->root_blkgTejun Heo1-1/+3
2012-04-20blkcg: make blkg_conf_prep() take @pol and return with queue lock heldTejun Heo1-1/+1
2012-04-20blkcg: remove static policy ID enumsTejun Heo1-11/+14
2012-04-20blkcg: use @pol instead of @plid in update_root_blkg_pd() and blkcg_print_blk...Tejun Heo1-5/+5
2012-04-20cfq: fix build breakage & warningsTejun Heo1-9/+8
2012-04-01blkcg: drop BLKCG_STAT_{PRIV|POL|OFF} macrosTejun Heo1-39/+46
2012-04-01blkcg: pass around pd->pdata instead of pd itself in prfill functionsTejun Heo1-8/+6
2012-04-01blkcg: move blkio_group_conf->weight to cfqTejun Heo1-42/+35
2012-04-01blkcg: move blkio_group_stats to cfq-iosched.cTejun Heo1-216/+191
2012-04-01blkcg: cfq doesn't need per-cpu dispatch statsTejun Heo1-27/+10
2012-04-01blkcg: move statistics update code to policiesTejun Heo1-51/+229
2012-04-01cfq: collapse cfq.h into cfq-iosched.cTejun Heo1-1/+113
2012-04-01blkcg: move conf/stat file handling code to policiesTejun Heo1-3/+199
2012-04-01blkcg: remove unused @pol and @plid parametersTejun Heo1-4/+3
2012-04-01block: Make cfq_target_latency tunable through sysfs.Tao Ma1-2/+8
2012-03-23cfq: fix cfqg ref handling when BLK_CGROUP && !CFQ_GROUP_IOSCHEDTejun Heo1-17/+35
2012-03-20cfq: don't use icq_get_changed()Tejun Heo1-23/+40
2012-03-20cfq: pass around cfq_io_cq instead of io_contextTejun Heo1-22/+17
2012-03-06block: make block cgroup policies follow bio task associationTejun Heo1-10/+11
2012-03-06block: implement bio_associate_current()Tejun Heo1-1/+2
2012-03-06block: add io_context->active_refTejun Heo1-2/+2
2012-03-06blkcg: drop unnecessary RCU lockingTejun Heo1-24/+0
2012-03-06blkcg: unify blkg's for blkcg policiesTejun Heo1-3/+2
2012-03-06blkcg: let blkcg core manage per-queue blkg list and counterTejun Heo1-94/+6
2012-03-06blkcg: move per-queue blkg list heads and counters to queue and blkgTejun Heo1-28/+19
2012-03-06blkcg: don't use blkg->plid in stat related functionsTejun Heo1-16/+28
2012-03-06blkcg: move refcnt to blkcg coreTejun Heo1-48/+10
2012-03-06blkcg: let blkcg core handle policy private data allocationTejun Heo1-50/+52
2012-03-06blkcg: let blkio_group point to blkio_cgroup directlyTejun Heo1-0/+4
2012-03-06blkcg: kill the mind-bending blkg->devTejun Heo1-21/+0
2012-03-06blkcg: don't allow or retain configuration of missing devicesTejun Heo1-1/+1
2012-03-06blkcg: factor out blkio_group creationTejun Heo1-91/+40
2012-03-06blkcg: use the usual get blkg path for root blkio_groupTejun Heo1-52/+53
2012-03-06blkcg: use q and plid instead of opaque void * for blkio_group associationTejun Heo1-14/+16
2012-03-06blkcg: update blkg get functions take blkio_cgroup as parameterTejun Heo1-8/+12
2012-03-06blkcg: move rcu_read_lock() outside of blkio_group get functionsTejun Heo1-6/+5
2012-03-06blkcg: shoot down blkio_groups on elevator switchTejun Heo1-1/+19
2012-03-06elevator: make elevator_init_fn() return 0/-errnoTejun Heo1-4/+5
2012-03-06cfq: don't register propio policy if !CONFIG_CFQ_GROUP_IOSCHEDTejun Heo1-3/+4
2012-02-15block: replace icq->changed with icq->flagsTejun Heo1-6/+6
2012-02-08block: don't call elevator callbacks for plug mergesTejun Heo1-11/+4
2012-02-07block: strip out locking optimization in put_io_context()Tejun Heo1-1/+1
2012-01-19block,cfq: change code orderShaohua Li1-3/+4
2012-01-17cfq-iosched: fix use-after-free of cfqqJens Axboe1-4/+3
2011-12-16block, cfq: fix empty queue crash caused by request mergeShaohua Li1-0/+12
2011-12-14block, cfq: move icq creation and rq->elv.icq association to block coreTejun Heo1-124/+11
2011-12-14block, cfq: restructure io_cq creation path for io_context interface cleanupTejun Heo1-53/+41
2011-12-14block, cfq: move io_cq exit/release to blk-ioc.cTejun Heo1-45/+2
2011-12-14block, cfq: move icq cache management to block coreTejun Heo1-33/+15
2011-12-14block, cfq: move io_cq lookup to blk-ioc.cTejun Heo1-40/+8
2011-12-14block, cfq: move cfqd->icq_list to request_queue and add request->elv.icqTejun Heo1-17/+11
2011-12-14block, cfq: reorganize cfq_io_context into generic and cfq specific partsTejun Heo1-115/+133
2011-12-14block, cfq: replace current_io_context() with create_io_context()Tejun Heo1-1/+1
2011-12-14block, cfq: kill cic->keyTejun Heo1-21/+5
2011-12-14block, cfq: kill ioc_goneTejun Heo1-38/+5
2011-12-14block, cfq: remove delayed unlinkTejun Heo1-82/+10
2011-12-14block, cfq: unlink cfq_io_context's immediatelyTejun Heo1-36/+8
2011-12-14block, cfq: fix cic lookup lockingTejun Heo1-32/+35
2011-12-14block, cfq: fix race condition in cic creation path and tighten lockingTejun Heo1-59/+76
2011-12-14block, cfq: move ioc ioprio/cgroup changed handling to cicTejun Heo1-19/+9
2011-12-14block, cfq: misc updates to cfq_io_contextTejun Heo1-26/+32
2011-12-14block: make ioc get/put interface more conventional and fix race on alloctionTejun Heo1-9/+9
2011-12-14block, cfq: move cfqd->cic_index to q->idTejun Heo1-47/+5
2011-08-23block: separate priority boosting from REQ_METAChristoph Hellwig1-10/+10
2011-08-19Revert "cfq: Remove special treatment for metadata rqs."Jens Axboe1-0/+18
2011-08-02cfq-iosched: Reduce linked group count upon group destructionVivek Goyal1-0/+3
2011-07-12CFQ: add think time check for groupShaohua Li1-2/+17
2011-07-12CFQ: add think time check for service treeShaohua Li1-4/+30
2011-07-12CFQ: move think time check variables to a separate structShaohua Li1-16/+24
2011-07-12fixlet: Remove fs_excl from struct task.Justin TerAvest1-27/+1
2011-07-10cfq: Remove special treatment for metadata rqs.Justin TerAvest1-18/+0
2011-07-01Merge branch 'for-linus' into for-3.1/coreJens Axboe1-9/+10
2011-06-27cfq-iosched: make code consistentShaohua Li1-1/+2
2011-06-27cfq-iosched: fix a rcu warningShaohua Li1-1/+4
2011-06-13block: Add __attribute__((format(printf...) and fix falloutJoe Perches1-5/+6
2011-06-13block: Add __attribute__((format(printf...) and fix falloutJoe Perches1-5/+6
2011-06-06CFQ: make two functions staticPaul Bolle1-3/+3
2011-06-06cfq-iosched: fix locking around ioc->ioc_data assignmentJens Axboe1-1/+4
2011-06-06cfq-iosched: fix locking around ioc->ioc_data assignmentJens Axboe1-1/+4
2011-06-02iosched: prevent aliased requests from starving other I/OJeff Moyer1-7/+2
2011-06-02cfq-iosched: Remove bogus check in queue_fail pathPaul Bolle1-3/+0
2011-05-31CFQ: Fix typo and remove unnecessary semicolonKyungmin Park1-4/+4
2011-05-24cfq-iosched: free cic_index if cfqd allocation failsNamhyung Kim1-1/+5
2011-05-24cfq-iosched: remove unused 'group_changed' in cfq_service_tree_add()Namhyung Kim1-2/+1
2011-05-24cfq-iosched: reduce bit operations in cfq_choose_req()Namhyung Kim1-9/+5
2011-05-24cfq-iosched: algebraic simplification in cfq_prio_to_maxrq()Namhyung Kim1-1/+1
2011-05-23cfq-iosched: Fix a memory leak of per cpu stats for root groupVivek Goyal1-0/+5
2011-05-20blk-throttle: Make dispatch stats per cpuVivek Goyal1-1/+17
2011-05-20blk-cgroup: Allow sleeping while dynamically allocating a groupVivek Goyal1-33/+95
2011-05-20cfq-iosched: Fix a possible race with cfq cgroup removal codeVivek Goyal1-12/+36
2011-05-20cfq-iosched: Get rid of redundant function parameter "create"Vivek Goyal1-9/+9
2011-05-16blk-throttle: Use task_subsys_state() to determine a task's blkio_cgroupVivek Goyal1-6/+5
2011-04-19cfq-iosched: read_lock() does not always imply rcu_read_lock()Jens Axboe1-14/+6
2011-04-18block: add blk_run_queue_asyncChristoph Hellwig1-3/+3
2011-03-31Fix common misspellingsLucas De Marchi1-1/+1
2011-03-23cfq-iosched: removing unnecessary think time checkingLi, Shaohua1-9/+4
2011-03-23cfq-iosched: Don't clear queue stats when preempt.Justin TerAvest1-22/+17
2011-03-22cfq-iosched: Don't set active queue in preemptJustin TerAvest1-16/+23
2011-03-17cfq-iosched: Don't update group weights when on service treeJustin TerAvest1-12/+41
2011-03-12blk-cgroup: Add unaccounted time to timeslice_used.Justin TerAvest1-8/+13
2011-03-10Merge branch 'for-2.6.39/stack-plug' into for-2.6.39/coreJens Axboe1-8/+0
2011-03-10block: remove per-queue pluggingJens Axboe1-8/+0
2011-03-07Merge branch 'block-for-2.6.39-core' of ssh://master.kernel.org/pub/scm/linux...Jens Axboe1-3/+3
2011-03-07cfq-iosched: Fix update_vdisktime logicGui Jianfeng1-4/+2
2011-03-07cfq-iosched: give busy sync queue no dispatch limitShaohua Li1-2/+24
2011-03-07cfq-iosched: fix race in cfq_set_request()Jens Axboe1-2/+1
2011-03-04Merge branch 'for-linus' of ../linux-2.6-block into block-for-2.6.39/coreTejun Heo1-3/+3
2011-03-02block: add @force_kblockd to __blk_run_queue()Tejun Heo1-3/+3
2011-03-01cfq-iosched: Always provide group isolation.Justin TerAvest1-36/+1
2011-03-01Merge commit 'v2.6.38-rc6' into for-2.6.39/coreJens Axboe1-56/+84
2011-02-11block: share request flush fields with elevator_privateMike Snitzer1-9/+9
2011-02-09cfq-iosched: Don't wait if queue already has requests.Justin TerAvest1-0/+4
2011-01-19cfq: rename a function to give it more appropriate nameVivek Goyal1-3/+3
2011-01-14block cfq: compensate preempted queue even if it has no slice assignedShaohua Li1-4/+15
2011-01-14block cfq: make queue preempt work for queues from different workloadShaohua Li1-0/+9
2011-01-13Merge branch 'for-2.6.38/core' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds1-54/+58
2011-01-07block cfq: don't use atomic_t for cfq_groupShaohua Li1-11/+12
2011-01-07block cfq: don't use atomic_t for cfq_queueShaohua Li1-11/+16
2010-12-17cfq-iosched: don't check cfqg in choose_service_tree()Gui Jianfeng1-6/+0
2010-12-13block cfq: select new workload if priority changedShaohua Li writes1-0/+5
2010-11-30cfq-iosched: Get rid of on_st flagGui Jianfeng1-4/+1
2010-11-30cfq-iosched: Get rid of st->activeGui Jianfeng1-14/+1
2010-11-16Merge branch 'v2.6.37-rc2' into for-2.6.38/coreJens Axboe1-19/+20
2010-11-09cfq-iosched: don't schedule a dispatch for a non-idle queueShaohua Li1-18/+1
2010-11-08cfq-iosched: don't idle if a deep seek queue is slowShaohua Li1-0/+11
2010-11-08cfq-iosched: schedule dispatch for noidle queueShaohua Li1-1/+22
2010-11-08cfq-iosched: do cleanupShaohua Li1-8/+8
2010-11-01tree-wide: fix comment/printk typosUwe Kleine-König1-1/+1
2010-10-22Merge branch 'for-2.6.37/core' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds1-19/+20
2010-10-22cfq-iosched: Fix a gcc 4.5 warning and put some commentsVivek Goyal1-3/+13
2010-10-01blkio: Recalculate the throttled bio dispatch time upon throttle limit changeVivek Goyal1-2/+2
2010-09-21cfq-iosched: fix a kernel OOPs when usb key is insertedVivek Goyal1-3/+13
2010-09-20cfq: improve fsync performance for small filesCorrado Zoccolo1-14/+4
2010-09-16blk-cgroup: Prepare the base for supporting more than one IO control policiesVivek Goyal1-0/+1
2010-08-23cfq-iosched: blktrace print per slice sector statsVivek Goyal1-2/+7
2010-08-23cfq-iosched: Implement tunable group_idleVivek Goyal1-9/+56
2010-08-23cfq-iosched: Do group share accounting in IOPS when slice_idle=0Vivek Goyal1-6/+24
2010-08-23cfq-iosched: Do not idle if slice_idle=0Vivek Goyal1-1/+4
2010-08-07block: unify flags for struct bio and struct requestChristoph Hellwig1-7/+7
2010-08-07block: remove wrappers for request type/flagsChristoph Hellwig1-8/+11
2010-06-18cfq-iosched: Fixed boot warning with BLK_CGROUP=y and CFQ_GROUP_IOSCHED=nVivek Goyal1-27/+27
2010-06-17cfq: Don't allow queue merges for queues that have no process referencesJeff Moyer1-2/+11
2010-05-25cfq-iosched: fix an oops caused by slab leakShaohua Li1-6/+14
2010-05-24cfq-iosched: compact io_context radix_treeKonstantin Khlebnikov1-5/+39
2010-05-24cfq-iosched: remove dead_key from cfq_io_contextKonstantin Khlebnikov1-13/+28
2010-05-21Merge branch 'master' into for-2.6.35Jens Axboe1-0/+2
2010-05-21block: remove all rcu head initializationsPaul E. McKenney1-1/+0
2010-05-06blk-cgroup: Fix RCU correctness warning in cfq_init_queue()Vivek Goyal1-0/+2
2010-04-28cfq-iosched: fix broken cfq_ref_get_cfqf() for CONFIG_BLK_CGROUP=y && CFQ_GRO...Dmitry Monakhov1-1/+1
2010-04-26blk-cgroup: config options re-arrangementVivek Goyal1-1/+1
2010-04-26blkio: Fix another BUG_ON() crash due to cfqq movement across groupsVivek Goyal1-17/+16
2010-04-21blkio: Fix blkio crash during rq stat updateVivek Goyal1-10/+26
2010-04-16blkio: Initialize blkg->stats_lock for the root cfqg tooDivyesh Shah1-1/+0
2010-04-14blkio: Fix compile errorsDivyesh Shah1-1/+1
2010-04-13Merge branch 'master' into for-2.6.35Jens Axboe1-2/+11
2010-04-13block: Update to io-controller statsDivyesh Shah1-11/+9
2010-04-13io-controller: Add a new interface "weight_device" for IO-ControllerGui Jianfeng1-1/+1
2010-04-09Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds1-10/+31
2010-04-09cfq-iosched: Fix the incorrect timeslice accounting with forced_dispatchDivyesh Shah1-2/+5
2010-04-09blkio: Add more debug-only per-cgroup statsDivyesh Shah1-18/+32
2010-04-09blkio: Add io_queued and avg_queue_size statsDivyesh Shah1-0/+11
2010-04-09blkio: Add io_merged statDivyesh Shah1-0/+11
2010-04-09blkio: Changes to IO controller additional stats patchesDivyesh Shah1-2/+6
2010-04-05block: expose the statistics in blkio.time and blkio.sectors for the root cgroupRicky Benitez1-0/+5
2010-04-02blkio: Increment the blkio cgroup stats for real nowDivyesh Shah1-1/+3
2010-04-02blkio: Add io controller stats likeDivyesh Shah1-1/+1
2010-04-02blkio: Remove per-cfqq nr_sectors as we'll be passingDivyesh Shah1-8/+2
2010-03-30include cleanup: Update gfp.h and slab.h includes to prepare for breaking imp...Tejun Heo1-0/+1
2010-03-25cfq-iosched: Do not merge queues of BE and IDLE classesDivyesh Shah1-0/+2
2010-03-25cfq-iosched: Add additional blktrace log messages in CFQ for easier debuggingDivyesh Shah1-3/+13
2010-03-19cfq-iosched: fix a kbuild regressionShaohua Li1-5/+6
2010-03-01cfq: remove 8 bytes of padding from cfq_rb_root on 64 bit buildsRichard Kennedy1-2/+3
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