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Each libsas driver (mvsas, pm8001, and isci) has invented a different method for managing the ap->lock. The lock is held by the ata ->queuecommand() path. mvsas drops it prior to acquiring any internal locks which allows it to hold its internal lock across calls to task->task_done(). This capability is important as it is the only way the driver can flush task->task_done() instances to guarantee that it no longer has any in-flight references to a domain_device at ->lldd_dev_gone() time. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com> |
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| .. | ||
| Makefile | ||
| pm8001_chips.h | ||
| pm8001_ctl.c | ||
| pm8001_ctl.h | ||
| pm8001_defs.h | ||
| pm8001_hwi.c | ||
| pm8001_hwi.h | ||
| pm8001_init.c | ||
| pm8001_sas.c | ||
| pm8001_sas.h | ||