target: Allow control CDBs with data > 1 page

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We need to handle >1 page control cdbs, so extend the code to do a vmap
if bigger than 1 page. It seems like kmap() is still preferable if just
a page, fewer TLB shootdowns(?), so keep using that when possible.

Rename function pair for their new scope.

Signed-off-by: Andy Grover <agrover@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

...

This commit is contained in:

Andy Grover 2012-01-16 16:57:08 -08:00 • committed by Nicholas Bellinger

parent e8904dc500

commit 4949314c72

8 changed files with 78 additions and 54 deletions

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8

drivers/target/target_core_alua.c

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28

drivers/target/target_core_cdb.c

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4

drivers/target/target_core_device.c

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38

drivers/target/target_core_pr.c

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4

drivers/target/target_core_pscsi.c

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49

drivers/target/target_core_transport.c

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4

include/target/target_core_backend.h

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1

include/target/target_core_base.h

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