[SCSI] zfcp: remove union zfcp_req_data, use unit refcount for FCP commands

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o union zfcp_req_data removed
o increment unit refcount when processing FCP commands
 (This fixes a theoretical race: When all scsi commands of a unit
  are aborted and the scsi_device is removed then the unit could be
  removed before all fsf_requests of that unit are completely processed.)

Signed-off-by: Andreas Herrmann <aherrman@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

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Andreas Herrmann 2005-09-13 21:47:52 +02:00 • committed by James Bottomley

parent 3734d24b2e

commit 059c97d043

4 changed files with 81 additions and 275 deletions

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8

drivers/s390/scsi/zfcp_aux.c

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69

drivers/s390/scsi/zfcp_def.h

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101

drivers/s390/scsi/zfcp_fsf.c

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176

drivers/s390/scsi/zfcp_scsi.c

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