This adds a sequence counter only version of the reader/writer consistent mechanism to seqlock.h This is used in the second part of this patch give atomic access to i_size. re-diff against 2.5.68. The patch is also available for download from OSDL's patch lifecycle manager (PLM): http://www.osdl.org/cgi-bin/plm?module=patch_info&patch_id=1801 Thanks, -- Daniel McNeil