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3 Commits (4c05ae52fcb0e27a2ee4a16d1f31f8c547fd4886)

Author SHA1 Message Date
Hannes Reinecke 765cbc6dad [SCSI] scsi_dh: Implement common device table handling 
Instead of having each and every driver implement its own
device table scanning code we should rather implement a common
routine and scan the device tables there.
This allows us also to implement a general notifier chain
callback for all device handler instead for one per handler.

[sekharan: Fix rejections caused by conflicting bug fix]
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
 2008-07-26 15:14:51 -04:00
Chandra Seetharaman 33af79d12e scsi_dh: Verify "dev" is a sdev before accessing it. 
Before accessing the device data structure in hardware handlers,
make sure it is a indeed a sdev device.

Yinghai Lu <yhlu.kernel@gmail.com> found the bug on Jul 16, 2008,
and later tested/verified the following fix.

Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2008-07-16 17:54:21 -07:00
Chandra Seetharaman 5e7dccad36 [SCSI] scsi_dh: add EMC Clariion device handler 
This adds support for EMC Clariions. This patch has the features that
currently exists in mainline and advanced features from Ed's patches.

Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
 2008-06-05 09:23:40 -05:00