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cfq-iosched: Add documentation about idling
2011-08-05 Vivek Goyalcfq-iosched: Add documentation about idling
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-08-02 Vivek Goyalcfq-iosched: Reduce linked group count upon group destruction
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-07-08 Vivek Goyalx86, boot: Wait for boot cpu to show up if nr_cpus...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-05-23 Vivek Goyalblk-cgroup: Initialize ioc->cgroup_changed at ioc creation...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-05-23 Vivek Goyalblock: call elv_bio_merged() when merged
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2011-05-23 Vivek Goyalcfq-iosched: Make IO merge related stats per cpu
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-05-23 Vivek Goyalcfq-iosched: Fix a memory leak of per cpu stats for...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-05-20 Vivek Goyalblk-throttle: Make no throttling rule group processing...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-05-20 Vivek Goyalblk-cgroup: Make cgroup stat reset path blkg->lock...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-05-20 Vivek Goyalblk-cgroup: Make 64bit per cpu stats safe on 32bit...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-05-20 Vivek Goyalblk-throttle: Make dispatch stats per cpu
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-05-20 Vivek Goyalblk-throttle: Free up a group only after one rcu grace...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-05-20 Vivek Goyalblk-throttle: Use helper function to add root throtl...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-05-20 Vivek Goyalblk-throttle: Introduce a helper function to fill in...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-05-20 Vivek Goyalblk-throttle: Dynamically allocate root group
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-05-20 Vivek Goyalblk-cgroup: Allow sleeping while dynamically allocating...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-05-20 Vivek Goyalcfq-iosched: Fix a possible race with cfq cgroup removal...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-05-20 Vivek Goyalcfq-iosched: Get rid of redundant function parameter...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-05-20 Vivek Goyalblk-cgroup: move some fields of unaccounted_time file...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-05-20 Vivek Goyalblk-throttle: Do the new group initialization with...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-05-16 Vivek Goyalblk-throttle: Use task_subsys_state() to determine...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-03-22 Vivek Goyalblk-throttle: Reset group slice when limits are changed
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-03-10 Vivek Goyalblk-throttle: Use blk_plug in throttle dispatch
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-03-07 Vivek Goyalblk-throttle: Some cleanups and race fixes in limit...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-03-07 Vivek Goyalblk-throttle: process limit change only through one...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-03-03 Vivek Goyalblock: Move blk_throtl_exit() call to blk_cleanup_queue()
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-03-03 Vivek Goyalloop: No need to initialize ->queue_lock explicitly...
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2011-03-03 Vivek Goyalblock: Initialize ->queue_lock to internal lock at...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-03-01 Vivek Goyalblk-throttle: Do not use kblockd workqueue for throtl...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-01-19 Vivek Goyalblkio-throttle: Avoid calling blkiocg_lookup_group...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2011-01-19 Vivek Goyalcfq: rename a function to give it more appropriate...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-12-01 Vivek Goyalblk-throttle: Correct the placement of smp_rmb()
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-12-01 Vivek Goyalblk-throttle: Trim/adjust slice_end once a bio has...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-11-15 Vivek Goyalblk-cgroup: Allow creation of hierarchical cgroups
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-11-15 Vivek Goyalblock: fix amiga and atari floppy driver compile warning
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-11-15 Vivek Goyalblk-throttle: Fix calculation of max number of WRITES...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-11-06 Vivek Goyalfloppy: fix another use-after-free
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-10-22 Vivek Goyalcfq-iosched: Fix a gcc 4.5 warning and put some comments
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-10-01 Vivek Goyalblkio-throttle: Fix possible multiplication overflow...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-10-01 Vivek Goyalblkio-throttle: limit max iops value to UINT_MAX
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2010-10-01 Vivek Goyalblkio-throttle: There is no need to convert jiffies...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-10-01 Vivek Goyalblkio-throttle: Fix link failure failure on i386
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-10-01 Vivek Goyalblkio: Recalculate the throttled bio dispatch time...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-10-01 Vivek Goyalblkio: Add root group to td->tg_list
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-10-01 Vivek Goyalblkio: deletion of a cgroup was causes oops
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-10-01 Vivek Goyalblkio: Do not export throttle files if CONFIG_BLK_DEV_THROTT...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-09-26 Vivek Goyalamiga floppy: Compile failure fixes
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-09-24 Vivek Goyalatari floppy: Stop sharing request queue across multiple...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-09-24 Vivek Goyalamiga floppy: Stop sharing request queue across multiple...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-09-21 Vivek Goyalcfq-iosched: fix a kernel OOPs when usb key is inserted
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-09-16 Vivek Goyalblkio: Documentation Update
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-09-16 Vivek Goyalblkio: Implementation of IOPS limit logic
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-09-16 Vivek Goyalblk-cgroup: cgroup changes for IOPS limit support
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-09-16 Vivek Goyalblkio: Core implementation of throttle policy
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-09-16 Vivek Goyalblk-cgroup: Introduce cgroup changes for throttling...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-09-16 Vivek Goyalblk-cgroup: Prepare the base for supporting more than...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-09-16 Vivek Goyalblk-cgroup: Kill the header printed at the start of...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-08-23 Vivek Goyalcfq-iosched: Documentation help for new tunables
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-08-23 Vivek Goyalcfq-iosched: blktrace print per slice sector stats
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-08-23 Vivek Goyalcfq-iosched: Implement tunable group_idle
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-08-23 Vivek Goyalcfq-iosched: Do group share accounting in IOPS when...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-08-23 Vivek Goyalcfq-iosched: Do not idle if slice_idle=0
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-06-18 Vivek Goyalcfq-iosched: Fixed boot warning with BLK_CGROUP=y and...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-05-06 Vivek Goyalblk-cgroup: Fix RCU correctness warning in cfq_init_queue()
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-04-26 Vivek Goyalblk-cgroup: config options re-arrangement
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-04-26 Vivek Goyalblkio: Fix another BUG_ON() crash due to cfqq movement...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-04-21 Vivek Goyalblkio: Fix blkio crash during rq stat update
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2010-02-02 Vivek Goyalcfq-iosched: Do not idle on async queues
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-18 Vivek Goyalcfq-iosched: Remove prio_change logic for workload...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-18 Vivek Goyalcfq-iosched: Get rid of nr_groups
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-18 Vivek Goyalcfq-iosched: Remove the check for same cfq group from...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-10 Vivek GoyalFix a CFQ crash in "for-2.6.33" branch of block tree
Author: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-09 Vivek Goyalcfq-iosched: Take care of corner cases of group losing...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-09 Vivek Goyalcfq-iosched: Get rid of cfqq wait_busy_done flag
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-07 Vivek Goyalcfq-iosched: Do not access cfqq after freeing it
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-04 Vivek Goyalblkio: Allow CFQ group IO scheduling even when CFQ...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-04 Vivek Goyalblkio: Implement dynamic io controlling policy registration
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-04 Vivek Goyalblkio: Export some symbols from blkio as its user CFQ...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Documentation
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Wait on sync-noidle queue even if rq_noidle = 1
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Implement group_isolation tunable
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Determine async workload length based on total...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Wait for cfq queue to get backlogged if group...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Propagate cgroup weight updation to cfq groups
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Drop the reference to queue once the task changes...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Provide some isolation between groups
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Export disk time and sectors used by a group...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Some debugging aids for CFQ
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Take care of cgroup deletion and cfq group reference...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Dynamic cfq group creation based on cgroup tasks...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Group time used accounting and workload context...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Implement per cfq group latency target and busy...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Introduce per cfq group weights and vdisktime...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Introduce blkio controller cgroup interface
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Introduce the root service tree for cfq groups
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Keep queue on service tree until we expire it
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Implement macro to traverse each service tree...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Introduce the notion of cfq groups
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-12-03 Vivek Goyalblkio: Set must_dispatch only if we decided to not...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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2009-11-26 Vivek GoyalFix regression in direct writes performance due to...
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
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