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SUNRPC: introduce xdr_init_decode_pages

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Initialize xdr_stream and xdr_buf using an array of page pointers
and length of buffer.

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
This commit is contained in:
Benny Halevy
2011-05-19 14:16:47 -04:00
committed by Boaz Harrosh
parent 35c8bb543c
commit f7da7a129d
5 changed files with 27 additions and 21 deletions
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9
fs/nfs/nfs4filelayout.c
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@@ -510,12 +510,7 @@ filelayout_decode_layout(struct pnfs_layout_hdr *flo,
gfp_t gfp_flags)
{
struct xdr_stream stream;
struct xdr_buf buf = {
.pages = lgr->layoutp->pages,
.page_len = lgr->layoutp->len,
.buflen = lgr->layoutp->len,
.len = lgr->layoutp->len,
};
struct xdr_buf buf;
struct page *scratch;
__be32 *p;
uint32_t nfl_util;
@@ -527,7 +522,7 @@ filelayout_decode_layout(struct pnfs_layout_hdr *flo,
if (!scratch)
return -ENOMEM;
xdr_init_decode(&stream, &buf, NULL);
xdr_init_decode_pages(&stream, &buf, lgr->layoutp->pages, lgr->layoutp->len);
xdr_set_scratch_buffer(&stream, page_address(scratch), PAGE_SIZE);
/* 20 = ufl_util (4), first_stripe_index (4), pattern_offset (8),