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| /openbmc/linux/drivers/target/iscsi/ |
| H A D | iscsi_target.c | aa75679c Mon Jul 20 19:12:12 CDT 2015 Alexei Potashnik <alexei@purestorage.com> target/iscsi: Use proper SGL accessors for digest computation
Current implementation assumes that all the buffers of an IO are linked
with a single SG list, which is OK because target-core is only allocating
a contigious scatterlist region. However, this assumption is wrong for
se_cmd descriptors that want to use chaining across multiple SGL regions.
Fix this up by using proper SGL accessors for digest payload computation.
Signed-off-by: Alexei Potashnik <alexei@purestorage.com>
Cc: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
aa75679c Mon Jul 20 19:12:12 CDT 2015 Alexei Potashnik <alexei@purestorage.com> target/iscsi: Use proper SGL accessors for digest computation
Current implementation assumes that all the buffers of an IO are linked
with a single SG list, which is OK because target-core is only allocating
a contigious scatterlist region. However, this assumption is wrong for
se_cmd descriptors that want to use chaining across multiple SGL regions.
Fix this up by using proper SGL accessors for digest payload computation.
Signed-off-by: Alexei Potashnik <alexei@purestorage.com>
Cc: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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