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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-06-08 11:56:09 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-06-28 17:20:50 -0400 |
| commit | 2f2c63bc221c5fcded24de2704575d0abf96b910 (patch) | |
| tree | dacf9f2bdbd101de6525a53571f0f1e48a75902e /fs/nfs/nfs3xdr.c | |
| parent | 98d9452448122486f81030c6c70f29471f65e1ce (diff) | |
| download | linux-stable-2f2c63bc221c5fcded24de2704575d0abf96b910.tar.gz linux-stable-2f2c63bc221c5fcded24de2704575d0abf96b910.tar.bz2 linux-stable-2f2c63bc221c5fcded24de2704575d0abf96b910.zip | |
NFS: Cleanup - only store the write verifier in struct nfs_page
The 'committed' field is not needed once we have put the struct nfs_page
on the right list.
Also correct the type of the verifier: it is not an array of __be32, but
simply an 8 byte long opaque array.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs3xdr.c')
| -rw-r--r-- | fs/nfs/nfs3xdr.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c index 5013bdd85ab9..6cbe89400dfc 100644 --- a/fs/nfs/nfs3xdr.c +++ b/fs/nfs/nfs3xdr.c @@ -325,14 +325,14 @@ static void encode_createverf3(struct xdr_stream *xdr, const __be32 *verifier) memcpy(p, verifier, NFS3_CREATEVERFSIZE); } -static int decode_writeverf3(struct xdr_stream *xdr, __be32 *verifier) +static int decode_writeverf3(struct xdr_stream *xdr, struct nfs_write_verifier *verifier) { __be32 *p; p = xdr_inline_decode(xdr, NFS3_WRITEVERFSIZE); if (unlikely(p == NULL)) goto out_overflow; - memcpy(verifier, p, NFS3_WRITEVERFSIZE); + memcpy(verifier->data, p, NFS3_WRITEVERFSIZE); return 0; out_overflow: print_overflow_msg(__func__, xdr); @@ -1668,20 +1668,22 @@ static int decode_write3resok(struct xdr_stream *xdr, { __be32 *p; - p = xdr_inline_decode(xdr, 4 + 4 + NFS3_WRITEVERFSIZE); + p = xdr_inline_decode(xdr, 4 + 4); if (unlikely(p == NULL)) goto out_overflow; result->count = be32_to_cpup(p++); result->verf->committed = be32_to_cpup(p++); if (unlikely(result->verf->committed > NFS_FILE_SYNC)) goto out_badvalue; - memcpy(result->verf->verifier, p, NFS3_WRITEVERFSIZE); + if (decode_writeverf3(xdr, &result->verf->verifier)) + goto out_eio; return result->count; out_badvalue: dprintk("NFS: bad stable_how value: %u\n", result->verf->committed); return -EIO; out_overflow: print_overflow_msg(__func__, xdr); +out_eio: return -EIO; } @@ -2314,7 +2316,7 @@ static int nfs3_xdr_dec_commit3res(struct rpc_rqst *req, goto out; if (status != NFS3_OK) goto out_status; - error = decode_writeverf3(xdr, result->verf->verifier); + error = decode_writeverf3(xdr, &result->verf->verifier); out: return error; out_status: |