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nfs: save server READ/WRITE/COMMIT status

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Flexfiles layout would want to use them to report DS IO status.

Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
This commit is contained in:
Peng Tao
2014-08-27 10:47:14 +08:00
committed by Tom Haynes
parent 9bf87482dd
commit aabff4ddca
4 changed files with 15 additions and 3 deletions
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10
fs/nfs/nfs2xdr.c
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@@ -481,7 +481,8 @@ out_overflow:
* void;
* };
*/
static int decode_attrstat(struct xdr_stream *xdr, struct nfs_fattr *result)
static int decode_attrstat(struct xdr_stream *xdr, struct nfs_fattr *result,
__u32 *op_status)
{
enum nfs_stat status;
int error;
@@ -489,6 +490,8 @@ static int decode_attrstat(struct xdr_stream *xdr, struct nfs_fattr *result)
error = decode_stat(xdr, &status);
if (unlikely(error))
goto out;
if (op_status)
*op_status = status;
if (status != NFS_OK)
goto out_default;
error = decode_fattr(xdr, result);
@@ -808,7 +811,7 @@ out_default:
static int nfs2_xdr_dec_attrstat(struct rpc_rqst *req, struct xdr_stream *xdr,
struct nfs_fattr *result)
{
return decode_attrstat(xdr, result);
return decode_attrstat(xdr, result, NULL);
}
static int nfs2_xdr_dec_diropres(struct rpc_rqst *req, struct xdr_stream *xdr,
@@ -865,6 +868,7 @@ static int nfs2_xdr_dec_readres(struct rpc_rqst *req, struct xdr_stream *xdr,
error = decode_stat(xdr, &status);
if (unlikely(error))
goto out;
result->op_status = status;
if (status != NFS_OK)
goto out_default;
error = decode_fattr(xdr, result->fattr);
@@ -882,7 +886,7 @@ static int nfs2_xdr_dec_writeres(struct rpc_rqst *req, struct xdr_stream *xdr,
{
/* All NFSv2 writes are "file sync" writes */
result->verf->committed = NFS_FILE_SYNC;
return decode_attrstat(xdr, result->fattr);
return decode_attrstat(xdr, result->fattr, &result->op_status);
}
/**