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- Cleanup the rest of the scsi_cmnd->SCp members and move them
to gdth_cmndinfo:
SCp.this_residual => priority
SCp.buffers_residual => timeout
SCp.Status => status and dma_dir
SCp.Message => info
SCp.have_data_in => volatile wait_for_completion
SCp.sent_command => OpCode
SCp.phase => phase
- Two more members will be naturally removed in the !use_sg cleanup
TODO: What is the meaning of gdth_cmndinfo.phase? (rhetorically)
Signed-off-by Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- scsi_cmnd and specifically ->SCp of, where heavily abused
with internal meaning members and flags. So introduce a new
struct gdth_cmndinfo, put it on ->host_scribble and define a
gdth_cmnd_priv() accessor to retrieve it from a scsi_cmnd.
- The structure now holds two members:
internal_command - replaces the IS_GDTH_INTERNAL_CMD() croft.
sense_paddr - which was a 64-bit spanning on 2 32-bit members of SCp.
More overloaded members from SCp and scsi_cmnd will be moved in a later
patch (For easy review).
- Split up gdth_queuecommand to an additional internal_function. The later
is the one called by gdth_execute(). This will be more evident later in
the scsi accessors patch, but it also facilitates in the differentiation
between internal_command and external. And the setup of gdth_cmndinfo of
each command.
Signed-off-by Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- Based on same patch from Christoph Hellwig <hch@lst.de>
- Get rid of all the indirection in the Scsi_Host private data and always
put the gdth_ha_str directly into it.
- Change all internal functions prototype to recieve an "gdth_ha_str *ha"
pointer directlly and kill all that redundent access to the "gdth_ctr_tab[]"
controller-table.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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The virt_ctr option allows to register a new scsi_host for each bus
on the raid controller. This non-default option makes no sense with
the current scsi code and prevents cleaning up the host registration,
so remove it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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* Remove in-source changelog. It's archived permanently in git and
various kernel archives, and changelogs should exist purely in git.
* Remove 2.4.x kernel support. It is an active obstacle to
modernizing this driver, at this point. This includes killing
gdth_kcompat.h which is 100% redundant in modern kernels.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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The ->done member was being used to mark commands as being internal.
I decided to put a magic number in ->underflow instead. I believe this
to be safe as no current user of ->underflow has any of the bottom 9
bits set.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Initial pass at converting the gdth driver away from the scsi_request
interface so that the request interface can be removed post 2.6.18
without breaking gdth. Based on changes from Christoph Hellwig
<hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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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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