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| author | Benny Halevy <bhalevy@panasas.com> | 2010-05-25 08:50:23 +0200 |
|---|---|---|
| committer | J. Bruce Fields <bfields@citi.umich.edu> | 2010-06-22 23:19:51 +0200 |
| commit | 9303bbd3de3b25061de11e4d8c891fa9592fad8c (patch) | |
| tree | 515880cffa7e9805b95d2e19bd22c0c8c0adbf73 /fs/nfsd/nfs4callback.c | |
| parent | nfsd4: translate memory errors to delay, not serverfault (diff) | |
| download | linux-9303bbd3de3b25061de11e4d8c891fa9592fad8c.tar.xz linux-9303bbd3de3b25061de11e4d8c891fa9592fad8c.zip | |
nfsd: nfs4callback encode_stateid helper function
To be used also for the pnfs cb_layoutrecall callback
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[nfsd4: fix cb_recall encoding]
"nfsd: nfs4callback encode_stateid helper function" forgot to reserve
more space after return from the new helper.
Reported-by: Michael Groshans <groshans@citi.umich.edu>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'fs/nfsd/nfs4callback.c')
| -rw-r--r-- | fs/nfsd/nfs4callback.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c index c8dd03c3f0fd..874a56a0801c 100644 --- a/fs/nfsd/nfs4callback.c +++ b/fs/nfsd/nfs4callback.c @@ -203,6 +203,16 @@ nfs_cb_stat_to_errno(int stat) */ static void +encode_stateid(struct xdr_stream *xdr, stateid_t *sid) +{ + __be32 *p; + + RESERVE_SPACE(sizeof(stateid_t)); + WRITE32(sid->si_generation); + WRITEMEM(&sid->si_opaque, sizeof(stateid_opaque_t)); +} + +static void encode_cb_compound_hdr(struct xdr_stream *xdr, struct nfs4_cb_compound_hdr *hdr) { __be32 * p; @@ -227,10 +237,10 @@ encode_cb_recall(struct xdr_stream *xdr, struct nfs4_delegation *dp, __be32 *p; int len = dp->dl_fh.fh_size; - RESERVE_SPACE(12+sizeof(dp->dl_stateid) + len); + RESERVE_SPACE(4); WRITE32(OP_CB_RECALL); - WRITE32(dp->dl_stateid.si_generation); - WRITEMEM(&dp->dl_stateid.si_opaque, sizeof(stateid_opaque_t)); + encode_stateid(xdr, &dp->dl_stateid); + RESERVE_SPACE(8 + (XDR_QUADLEN(len) << 2)); WRITE32(0); /* truncate optimization not implemented */ WRITE32(len); WRITEMEM(&dp->dl_fh.fh_base, len); |