[PATCH] s390: dcss segments
From: Carsten Otte <cotte@de.ibm.com> dcss segment interface changes: - Add check when loading segments to avoid out of range mappings. - Add code to check for segment_load returning -ERANGE. - Rename segment_info to segment_type. - Restore previous segment state if reload fails. - Add segment_modify_shared() to change shared attributes of a dcss segment and use it in the dcss block device driver. - Add support for contiguous EW/EN multipart segments. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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