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authorJames Bottomley <James.Bottomley@steeleye.com>2006-06-30 13:54:02 -0400
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-06-30 22:35:17 -0400
commit2686de27a356914e098329463d5a8cd7aa6f29a4 (patch)
tree8bf625cb1a387f6f179662a101ca256463e67f7f /Makefile
parent413975a0f1a43a896490fc5c589d05c95624c6d2 (diff)
[SCSI] mptsas: eliminate ghost devices
One of the current problems the mptsas driver has is that of "ghost" devices (these are devices the firmware reports as existing, but what they actually represent are the parents of a lower device), so for example in my dual expander configuration, three expanders actually show up, two for the real expanders but a third is created because the firmware reports that the lower expander also has another expander connected (which is simply the port going back to the upper expander). The attached patch eliminates all these ghosts by not allocating any devices for them if the SAS address is the SAS address of the parent. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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