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403 commits

Author SHA1 Message Date
Tejun Heo
b740d98f56 [BLOCK] cfq-iosched: fix slice_left calculation 
When cfq slice expires, remainder of slice is calculated and stored in
cfqq->slice_left.  Current code calculates the opposite of remainder -
how many jiffies the cfqq has used past slice end.  This patch fixes
the bug.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jens Axboe <axboe@suse.de>
 2005-11-12 10:56:36 +01:00
Tejun Heo
1b5ed5e1f1 [BLOCK] cfq-iosched: cfq forced dispatching fix 
cfq forced dispatching might not return all requests on the queue.
This bug can hang elevator switchinig and corrupt request ordering
during flush sequence.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jens Axboe <axboe@suse.de>
 2005-11-12 10:55:51 +01:00
Jens Axboe
3a65dfe8c0 [BLOCK] Move all core block layer code to new block/ directory 
drivers/block/ is right now a mix of core and driver parts. Lets move
the core parts to a new top level directory. Al will move the fs/
related block parts to block/ next.

Signed-off-by: Jens Axboe <axboe@suse.de>
 2005-11-04 08:43:35 +01:00
Renamed from drivers/block/cfq-iosched.c (Browse further)