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Date: Wed, 29 Oct 2008 21:05:39 +0300
From: Andrey Borzenkov <arvidjaar@...l.ru>
To: linux-scsi@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Subject: 2.6.28-rc2 - strange (redundant) sysfs paths for SCSI
Running with PATA driver:
/sys/devices/pci0000:00/0000:00:04.0/host0/scsi_host/host0
/sys/devices/pci0000:00/0000:00:04.0/host0/target0:0:0/0:0:0:0
well, in both cases at least one component is redundant? Also
the intermediate nodes (scsi_host and target0:0:0) do not seem
to contain any useful information at all?
I noticed this because kernel installer in Mandriva started to
complaint about host* and target* device nodes under /sys/bus/scsi/devices:
lrwxrwxrwx 1 root root 0 2008-10-29 19:58 0:0:0:0 -> ../../../devices/pci0000:00/0000:00:04.0/host0/target0:0:0/0:0:0:0/
lrwxrwxrwx 1 root root 0 2008-10-29 19:58 1:0:0:0 -> ../../../devices/pci0000:00/0000:00:04.0/host1/target1:0:0/1:0:0:0/
lrwxrwxrwx 1 root root 0 2008-10-29 19:58 host0 -> ../../../devices/pci0000:00/0000:00:04.0/host0/
lrwxrwxrwx 1 root root 0 2008-10-29 19:58 host1 -> ../../../devices/pci0000:00/0000:00:04.0/host1/
lrwxrwxrwx 1 root root 0 2008-10-29 19:58 target0:0:0 -> ../../../devices/pci0000:00/0000:00:04.0/host0/target0:0:0/
lrwxrwxrwx 1 root root 0 2008-10-29 19:58 target1:0:0 -> ../../../devices/pci0000:00/0000:00:04.0/host1/target1:0:0/
It is really not quite clear what use they have.
TIA
-andrey
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