Al Viro f67da30c1d new helper: iov_iter_npages() ...

counts the pages covered by iov_iter, up to given limit.
do_block_direct_io() and fuse_iter_npages() switched to
it.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2014-05-06 17:32:52 -04:00

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