Lines Matching refs:IO
30 IO priority becomes weaker.
77 IO controller working.
124 When a queue is selected for execution, the queues IO requests are only
215 This effectively becomes the fairness in terms of IOPS (IO operations per
223 CFQ IO scheduler Idling Theory
233 did not move the disk head and kept on dispatching sequential IO from
240 All cfq queues doing synchronous sequential IO go on to sync-idle tree.
246 of queues or the tree. So if there are 4 queues waiting for IO to dispatch
247 we will idle only once last queue has dispatched the IO and there is
248 no more IO on this service tree.
266 synchronous IO might not get fair share of disk.
268 For example, if there are 10 sequential readers doing IO and they get
276 fsync can generate dependent IO where bunch of data is written in the
278 data comes in only after fsync has finished its IO (atleast for ext4