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CC: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The common I/O layer can call remove a handler to inform zfcp
that a device disappeared. The handler zfcp_ccw_remove then
removes all unit, port and the adapter data structures. Removing
the units requires that the SCSI devices are removed first.
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (207 commits)
[SCSI] gdth: fix CONFIG_ISA build failure
[SCSI] esp_scsi: remove __dev{init,exit}
[SCSI] gdth: !use_sg cleanup and use of scsi accessors
[SCSI] gdth: Move members from SCp to gdth_cmndinfo, stage 2
[SCSI] gdth: Setup proper per-command private data
[SCSI] gdth: Remove gdth_ctr_tab[]
[SCSI] gdth: switch to modern scsi host registration
[SCSI] gdth: gdth_interrupt() gdth_get_status() & gdth_wait() fixes
[SCSI] gdth: clean up host private data
[SCSI] gdth: Remove virt hosts
[SCSI] gdth: Reorder scsi_host_template intitializers
[SCSI] gdth: kill gdth_{read,write}[bwl] wrappers
[SCSI] gdth: Remove 2.4.x support, in-kernel changelog
[SCSI] gdth: split out pci probing
[SCSI] gdth: split out eisa probing
[SCSI] gdth: split out isa probing
gdth: Make one abuse of scsi_cmnd less obvious
[SCSI] NCR5380: Use scsi_eh API for REQUEST_SENSE invocation
[SCSI] usb storage: use scsi_eh API in REQUEST_SENSE execution
[SCSI] scsi_error: Refactoring scsi_error to facilitate in synchronous REQUEST_SENSE
...
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Already register the debug feature before the zfcp adapter is
set online. This allows to use the debug feature to investigate
the online/offline sequence.
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Introduce a shutdown method for the ccw bus that calls the driver
specific shutdown method in struct ccw_driver.
Switch zfcp to the new ccw_driver shutdown method.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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IO stall after deleting and path checker changes after reenabling zfcp device
Setting one zfcp device offline using chccwdev in a multipath
environment and waiting will lead to IO stall on all paths.
After setting the zfcp device back online using chccwdev,
the devices with io stall will have a different path checker.
Devices corresponding to the deleted units are never freed.
This has the effect that 'slave_destroy' is never called and zfcp
still thinks that this unit is registered
(ZFCP_STATUS_UNIT_REGISTERED is still set). Hence the erp
routine is not called correctly and the unit is not enabled properly.
Do not delete rport and the sdev. Just set the host to block on
'offline'. Setting host online again will then remove the blocked status
and everything is fine again.
Signed-off-by: Michael Loehr <mloehr2@linux.vnet.ibm.com>
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Remove unused zfcp_ccw_unregister function (leftover from zfcp's
module_exit era).
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andreas Herrmann <aherrman@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Improve request handling. Use hash table to manage request IDs.
Signed-off-by: Volker Sameske <sameske@de.ibm.com>
Signed-off-by: Andreas Herrmann <aherrman@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Copyright update, shortened file headers, shortened author information.
Signed-off-by: Andreas Herrmann <aherrman@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- Remove all CVS generated information like e.g. revision IDs from
drivers/s390 and include/asm-s390 (none present in arch/s390).
- Add newline at end of arch/s390/lib/Makefile to avoid diff message.
Acked-by: Andreas Herrmann <aherrman@de.ibm.com>
Acked-by: Frank Pavlic <pavlic@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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this patch adds some fc host attributes and removes its equivalents
from the zfcp_adapter structure and zfcp specific sysfs subtree.
Furthermore it removes superfluous calls to fc_remort_port_delete when
an adapter is set offline because rports will be removed by
fc_remove_host anyway.
Signed-off-by: Andreas Herrmann <aherrman@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Bugfix (usage of uninitialized pointer in zfcp_port_dequeue) and compile
fixes for the zfcp device driver.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: James Bottomley <James.Bottomley@steeleye.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch fixes a severe problem with 2.6.13-rc7.
Due to recent SCSI changes it is not possible to add any LUNs to the zfcp
device driver anymore. With registration of remote ports this is fixed.
Signed-off-by: Andreas Herrmann <aherrman@de.ibm.com>
Acked-by: James Bottomley <jejb@steeleye.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
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Cornelia Huck
Christof Schmitt
Linus Torvalds
Michael Loehr
Heiko Carstens
Volker Sameske
Andreas Herrmann
Linus Torvalds