orangefs: fix deadlock; do not write i_size in read_iter
After do_readv_writev, the inode cache is invalidated anyway, so i_size will never be read. It will be fetched from the server which will also know about updates from other machines. Fixes deadlock on 32-bit SMP. See https://marc.info/?l=linux-fsdevel&m=151268557427760&w=2Signed-off-by: Martin Brandenburg <martin@omnibond.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Mike Marshall <hubcap@omnibond.com> Cc: stable@vger.kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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