cifs: use find_get_pages_range_tag()
wdata_alloc_and_fillpages() needlessly iterates calls to find_get_pages_tag(). Also it wants only pages from given range. Make it use find_get_pages_range_tag(). Link: http://lkml.kernel.org/r/20171009151359.31984-17-jack@suse.czSigned-off-by: NJan Kara <jack@suse.cz> Suggested-by: NDaniel Jordan <daniel.m.jordan@oracle.com> Reviewed-by: NDaniel Jordan <daniel.m.jordan@oracle.com> Cc: Steve French <sfrench@samba.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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