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authorIlias Tsitsimpis <iliastsi@arrikto.com>2015-04-23 21:47:00 +0300
committerNicholas Bellinger <nab@linux-iscsi.org>2015-05-31 08:41:46 +0300
commitf97ec7db1606875666366bfcba8476f8c917db96 (patch)
treef052599d412f804670c140a46c9ea52fa1e1baa8 /Documentation/target
parentb32bd0a8ee6a19f9b70aa4fcb9bfc802b105ce05 (diff)
downloadlinux-f97ec7db1606875666366bfcba8476f8c917db96.tar.xz
target/user: Refactor data area allocation code
Introduce alloc_and_scatter_data_area()/gather_and_free_data_area() functions that allocate/deallocate space from the data area and copy data to/from a given scatter-gather list. These functions are needed so the next patch, introducing support for bidirectional commands in TCMU, can use the same code path both for t_data_sg and for t_bidi_data_sg. Signed-off-by: Ilias Tsitsimpis <iliastsi@arrikto.com> Signed-off-by: Vangelis Koukis <vkoukis@arrikto.com> Reviewed-by: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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