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| author | Chuck Lever <chuck.lever@oracle.com> | 2023-10-02 17:51:37 +0300 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2023-10-16 19:44:33 +0300 |
| commit | 6621b88b4b2189a0dd601cd036e27a829868df31 (patch) | |
| tree | 5c9a594f76c0af6dc91ade163085e0af25c02fc1 | |
| parent | b0c1b1ba142601c24333d5d38461396f11dae478 (diff) | |
| download | linux-6621b88b4b2189a0dd601cd036e27a829868df31.tar.xz | |
NFSD: Clean up nfsd4_encode_sequence()
De-duplicate open-coded encoding of the sessionid, and convert the
rest of the function to use conventional XDR utility functions.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 37 | ||||
| -rw-r--r-- | fs/nfsd/xdr4.h | 1 |
2 files changed, 26 insertions, 12 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 7d452a2a8e85..a194a608ad90 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -4853,22 +4853,35 @@ nfsd4_encode_sequence(struct nfsd4_compoundres *resp, __be32 nfserr, { struct nfsd4_sequence *seq = &u->sequence; struct xdr_stream *xdr = resp->xdr; - __be32 *p; - p = xdr_reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 20); - if (!p) - return nfserr_resource; - p = xdr_encode_opaque_fixed(p, seq->sessionid.data, - NFS4_MAX_SESSIONID_LEN); - *p++ = cpu_to_be32(seq->seqid); - *p++ = cpu_to_be32(seq->slotid); + /* sr_sessionid */ + nfserr = nfsd4_encode_sessionid4(xdr, &seq->sessionid); + if (nfserr != nfs_ok) + return nfserr; + /* sr_sequenceid */ + nfserr = nfsd4_encode_sequenceid4(xdr, seq->seqid); + if (nfserr != nfs_ok) + return nfserr; + /* sr_slotid */ + nfserr = nfsd4_encode_slotid4(xdr, seq->slotid); + if (nfserr != nfs_ok) + return nfserr; /* Note slotid's are numbered from zero: */ - *p++ = cpu_to_be32(seq->maxslots - 1); /* sr_highest_slotid */ - *p++ = cpu_to_be32(seq->maxslots - 1); /* sr_target_highest_slotid */ - *p++ = cpu_to_be32(seq->status_flags); + /* sr_highest_slotid */ + nfserr = nfsd4_encode_slotid4(xdr, seq->maxslots - 1); + if (nfserr != nfs_ok) + return nfserr; + /* sr_target_highest_slotid */ + nfserr = nfsd4_encode_slotid4(xdr, seq->maxslots - 1); + if (nfserr != nfs_ok) + return nfserr; + /* sr_status_flags */ + nfserr = nfsd4_encode_uint32_t(xdr, seq->status_flags); + if (nfserr != nfs_ok) + return nfserr; resp->cstate.data_offset = xdr->buf->len; /* DRC cache data pointer */ - return 0; + return nfs_ok; } static __be32 diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h index 6716a7904c9f..c8c21b2d4d14 100644 --- a/fs/nfsd/xdr4.h +++ b/fs/nfsd/xdr4.h @@ -97,6 +97,7 @@ nfsd4_encode_uint32_t(struct xdr_stream *xdr, u32 val) #define nfsd4_encode_mode4(x, v) nfsd4_encode_uint32_t(x, v) #define nfsd4_encode_nfs_lease4(x, v) nfsd4_encode_uint32_t(x, v) #define nfsd4_encode_sequenceid4(x, v) nfsd4_encode_uint32_t(x, v) +#define nfsd4_encode_slotid4(x, v) nfsd4_encode_uint32_t(x, v) /** * nfsd4_encode_uint64_t - Encode an XDR uint64_t type result |