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Diffstat (limited to 'Documentation/scsi/libsas.txt')
| -rw-r--r-- | Documentation/scsi/libsas.txt | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/Documentation/scsi/libsas.txt b/Documentation/scsi/libsas.txt index 9e2078b2a61..3cc9c7843e1 100644 --- a/Documentation/scsi/libsas.txt +++ b/Documentation/scsi/libsas.txt @@ -393,26 +393,11 @@ struct sas_task { task_proto -- _one_ of enum sas_proto scatter -- pointer to scatter gather list array num_scatter -- number of elements in scatter - total_xfer_len -- total number of bytes expected to be transfered + total_xfer_len -- total number of bytes expected to be transferred data_dir -- PCI_DMA_... task_done -- callback when the task has finished execution }; -When an external entity, entity other than the LLDD or the -SAS Layer, wants to work with a struct domain_device, it -_must_ call kobject_get() when getting a handle on the -device and kobject_put() when it is done with the device. - -This does two things: - A) implements proper kfree() for the device; - B) increments/decrements the kref for all players: - domain_device - all domain_device's ... (if past an expander) - port - host adapter - pci device - and up the ladder, etc. - DISCOVERY --------- |