SUNRPC: Clean up helpers xdr_set_iov() and xdr_set_page_base()

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Allow xdr_set_iov() to set a base so that we can use it to set the
cursor to a specific position in the kvec buffer.

If the new base overflows the kvec/pages buffer in either xdr_set_iov()
or xdr_set_page_base(), then truncate it so that we point to the end of
the buffer.

Finally, change both function to return the number of bytes remaining to
read in their buffers.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

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Trond Myklebust 2020-11-21 14:50:43 -05:00

parent 2b1f83d108

commit 8d86e373b0

1 changed files with 19 additions and 17 deletions

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net/sunrpc/xdr.c

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