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Finn Thain
87c58ef5a5
scsi: esp_scsi: Grant disconnect privilege for untagged commands
A SCSI device is not granted disconnect privilege by an esp_scsi host unless that device has its simple_tags flag set. However, a device may support disconnect/reselect and not support command queueing. Allow such devices to disconnect and thereby improve bus utilization. Drop the redundant 'lp' check. The mid-layer invokes .slave_alloc and .slave_destroy in such a way that we may rely on scmd->device->hostdata for as long as scmd belongs to the low-level driver. Tested-by: Stan Johnson <userm57@yahoo.com> Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.
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