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SUNRPC: Add a helper function xdr_stream_decode_string_dup()

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Create a helper function that decodes a xdr string object, allocates a memory
buffer and then store it as a NUL terminated string.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust
2017-02-19 16:08:31 -05:00
committed by Anna Schumaker
parent 1bbe60ff49
commit 5c741d4f22
2 changed files with 36 additions and 0 deletions
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2
include/linux/sunrpc/xdr.h
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@@ -242,6 +242,8 @@ extern unsigned int xdr_read_pages(struct xdr_stream *xdr, unsigned int len);
extern void xdr_enter_page(struct xdr_stream *xdr, unsigned int len);
extern int xdr_process_buf(struct xdr_buf *buf, unsigned int offset, unsigned int len, int (*actor)(struct scatterlist *, void *), void *data);
ssize_t xdr_stream_decode_string_dup(struct xdr_stream *xdr, char **str,
size_t maxlen, gfp_t gfp_flags);
/**
* xdr_align_size - Calculate padded size of an object
* @n: Size of an object being XDR encoded (in bytes)