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NFSD: Clean up nfsd4_encode_layoutreturn()

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Adopt the use of conventional XDR utility functions. Restructure
the encoder to better align with the XDR definition of the result.

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2023-09-25 09:28:10 -04:00
parent cc313f80d0
commit 85dbc978b3
3 changed files with 10 additions and 10 deletions
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6
fs/nfsd/nfs4layouts.c
View File

@ -515,11 +515,11 @@ nfsd4_return_file_layouts(struct svc_rqst *rqstp,
if (!list_empty(&ls->ls_layouts)) {
if (found)
nfs4_inc_and_copy_stateid(&lrp->lr_sid, &ls->ls_stid);
lrp->lrs_present = 1;
lrp->lrs_present = true;
} else {
trace_nfsd_layoutstate_unhash(&ls->ls_stid.sc_stateid);
nfs4_unhash_stid(&ls->ls_stid);
lrp->lrs_present = 0;
lrp->lrs_present = false;
}
spin_unlock(&ls->ls_lock);
@ -539,7 +539,7 @@ nfsd4_return_client_layouts(struct svc_rqst *rqstp,
struct nfs4_layout *lp, *t;
LIST_HEAD(reaplist);
lrp->lrs_present = 0;
lrp->lrs_present = false;
spin_lock(&clp->cl_lock);
list_for_each_entry_safe(ls, n, &clp->cl_lo_states, ls_perclnt) {

12
fs/nfsd/nfs4xdr.c
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@ -4931,15 +4931,15 @@ nfsd4_encode_layoutreturn(struct nfsd4_compoundres *resp, __be32 nfserr,
{
struct nfsd4_layoutreturn *lrp = &u->layoutreturn;
struct xdr_stream *xdr = resp->xdr;
__be32 *p;
p = xdr_reserve_space(xdr, 4);
if (!p)
return nfserr_resource;
*p++ = cpu_to_be32(lrp->lrs_present);
/* lrs_present */
nfserr = nfsd4_encode_bool(xdr, lrp->lrs_present);
if (nfserr != nfs_ok)
return nfserr;
if (lrp->lrs_present)
/* lrs_stateid */
return nfsd4_encode_stateid4(xdr, &lrp->lr_sid);
return 0;
return nfs_ok;
}
#endif /* CONFIG_NFSD_PNFS */

2
fs/nfsd/xdr4.h
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@ -630,7 +630,7 @@ struct nfsd4_layoutreturn {
u32 lrf_body_len; /* request */
void *lrf_body; /* request */
stateid_t lr_sid; /* request/response */
u32 lrs_present; /* response */
bool lrs_present; /* response */
};
struct nfsd4_fallocate {