cvs commit: src/sys/dev/ata ata-all.c ata-all.h ata-chipset.c ata-disk.c ata-dma.c ata-lowlevel.c ata-pci.c ata-queue.c ata-raid.c atapi-cam.c atapi-cd.c atapi-fd.c atapi-tape.c

[Søren Schmidt]

sos         2008-04-17 12:29:36 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/ata          ata-all.c ata-all.h ata-chipset.c 
                         ata-disk.c ata-dma.c ata-lowlevel.c 
                         ata-pci.c ata-queue.c ata-raid.c 
                         atapi-cam.c atapi-cd.c atapi-fd.c 
                         atapi-tape.c 
  Log:
  Go back to preallocating everything possible on init.
  This avoids calling busdma in the request processing path which caused a traumatic performance degradation.
  Allocation has be postponed to after we know how many devices we possible can have on portmulitpliers to save some space.
  
  Revision  Changes    Path
  1.285     +7 -58     src/sys/dev/ata/ata-all.c
  1.133     +27 -18    src/sys/dev/ata/ata-all.h
  1.217     +30 -26    src/sys/dev/ata/ata-chipset.c
  1.210     +6 -3      src/sys/dev/ata/ata-disk.c
  1.154     +139 -59   src/sys/dev/ata/ata-dma.c
  1.83      +4 -4      src/sys/dev/ata/ata-lowlevel.c
  1.126     +8 -8      src/sys/dev/ata/ata-pci.c
  1.72      +6 -4      src/sys/dev/ata/ata-queue.c
  1.130     +4 -2      src/sys/dev/ata/ata-raid.c
  1.57      +2 -1      src/sys/dev/ata/atapi-cam.c
  1.199     +6 -3      src/sys/dev/ata/atapi-cd.c
  1.114     +2 -1      src/sys/dev/ata/atapi-fd.c
  1.107     +2 -1      src/sys/dev/ata/atapi-tape.c