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authorPeng Tao <tao.peng@primarydata.com>2014-08-27 04:47:14 +0200
committerTom Haynes <loghyr@primarydata.com>2015-02-03 20:06:40 +0100
commitaabff4ddcac0d36dd26546f5b905c27682e7bf89 (patch)
treeb110bd135df2b9cab2bb7caf4f89566a60167a7b
parentnfs41: serialize first layoutget of a file (diff)
downloadlinux-aabff4ddcac0d36dd26546f5b905c27682e7bf89.tar.xz
linux-aabff4ddcac0d36dd26546f5b905c27682e7bf89.zip
nfs: save server READ/WRITE/COMMIT status
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>
-rw-r--r--fs/nfs/nfs2xdr.c10
-rw-r--r--fs/nfs/nfs3xdr.c3
-rw-r--r--fs/nfs/nfs4xdr.c3
-rw-r--r--include/linux/nfs_xdr.h2
4 files changed, 15 insertions, 3 deletions
diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c
index 5f61b83f4a1c..b4e03ed8599d 100644
--- a/fs/nfs/nfs2xdr.c
+++ b/fs/nfs/nfs2xdr.c
@@ -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);
}
/**
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c
index 8f4cbe7f4aa8..2a932fdc57cb 100644
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -1636,6 +1636,7 @@ static int nfs3_xdr_dec_read3res(struct rpc_rqst *req, struct xdr_stream *xdr,
error = decode_post_op_attr(xdr, result->fattr);
if (unlikely(error))
goto out;
+ result->op_status = status;
if (status != NFS3_OK)
goto out_status;
error = decode_read3resok(xdr, result);
@@ -1708,6 +1709,7 @@ static int nfs3_xdr_dec_write3res(struct rpc_rqst *req, struct xdr_stream *xdr,
error = decode_wcc_data(xdr, result->fattr);
if (unlikely(error))
goto out;
+ result->op_status = status;
if (status != NFS3_OK)
goto out_status;
error = decode_write3resok(xdr, result);
@@ -2323,6 +2325,7 @@ static int nfs3_xdr_dec_commit3res(struct rpc_rqst *req,
error = decode_wcc_data(xdr, result->fattr);
if (unlikely(error))
goto out;
+ result->op_status = status;
if (status != NFS3_OK)
goto out_status;
error = decode_writeverf3(xdr, &result->verf->verifier);
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index cb4376b78ed9..7d8d7a47f771 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -6567,6 +6567,7 @@ static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr,
int status;
status = decode_compound_hdr(xdr, &hdr);
+ res->op_status = hdr.status;
if (status)
goto out;
status = decode_sequence(xdr, &res->seq_res, rqstp);
@@ -6592,6 +6593,7 @@ static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr,
int status;
status = decode_compound_hdr(xdr, &hdr);
+ res->op_status = hdr.status;
if (status)
goto out;
status = decode_sequence(xdr, &res->seq_res, rqstp);
@@ -6621,6 +6623,7 @@ static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr,
int status;
status = decode_compound_hdr(xdr, &hdr);
+ res->op_status = hdr.status;
if (status)
goto out;
status = decode_sequence(xdr, &res->seq_res, rqstp);
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 467c84efb596..962f461c065d 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -513,6 +513,7 @@ struct nfs_pgio_res {
struct nfs4_sequence_res seq_res;
struct nfs_fattr * fattr;
__u32 count;
+ __u32 op_status;
int eof; /* used by read */
struct nfs_writeverf * verf; /* used by write */
const struct nfs_server *server; /* used by write */
@@ -532,6 +533,7 @@ struct nfs_commitargs {
struct nfs_commitres {
struct nfs4_sequence_res seq_res;
+ __u32 op_status;
struct nfs_fattr *fattr;
struct nfs_writeverf *verf;
const struct nfs_server *server;