Sorting can take a long time with big cache sizes and a lot of dirty
data. Make sure we reschedule frome time to time to avoid lockups.
Signed-off-by: Jan Musial <jan.musial@intel.com>
This change assures that data array is always optimally aligned.
Additionally item boolean flags are put into the same uint32
as cpu number in order to save space for future additions.
This change fixes ~50% performance degradation introduced by
commit d822a1d1.
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
CAS does not need atomic alocations virtually anywhere. GFP_NOIO
should be sufficient in IO path. When allocation buffers during
module initialization use GFP_KERNEL.
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
