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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/nfs4filelayoutdev.c
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@@ -308,12 +308,7 @@ decode_device(struct inode *ino, struct pnfs_device *pdev, gfp_t gfp_flags)
u8 max_stripe_index;
struct nfs4_file_layout_dsaddr *dsaddr = NULL;
struct xdr_stream stream;
struct xdr_buf buf = {
.pages = pdev->pages,
.page_len = pdev->pglen,
.buflen = pdev->pglen,
.len = pdev->pglen,
};
struct xdr_buf buf;
struct page *scratch;
/* set up xdr stream */
@@ -321,7 +316,7 @@ decode_device(struct inode *ino, struct pnfs_device *pdev, gfp_t gfp_flags)
if (!scratch)
goto out_err;
xdr_init_decode(&stream, &buf, NULL);
xdr_init_decode_pages(&stream, &buf, pdev->pages, pdev->pglen);
xdr_set_scratch_buffer(&stream, page_address(scratch), PAGE_SIZE);
/* Get the stripe count (number of stripe index) */