diff options
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index ee7237f99f5..79754139ccd 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -190,6 +190,15 @@ static int zero_clientid(clientid_t *clid) return (clid->cl_boot == 0) && (clid->cl_id == 0); } +/** + * defer_free - mark an allocation as deferred freed + * @argp: NFSv4 compound argument structure to be freed with + * @release: release callback to free @p, typically kfree() + * @p: pointer to be freed + * + * Marks @p to be freed when processing the compound operation + * described in @argp finishes. + */ static int defer_free(struct nfsd4_compoundargs *argp, void (*release)(const void *), void *p) @@ -206,6 +215,16 @@ defer_free(struct nfsd4_compoundargs *argp, return 0; } +/** + * savemem - duplicate a chunk of memory for later processing + * @argp: NFSv4 compound argument structure to be freed with + * @p: pointer to be duplicated + * @nbytes: length to be duplicated + * + * Returns a pointer to a copy of @nbytes bytes of memory at @p + * that are preserved until processing of the NFSv4 compound + * operation described by @argp finishes. + */ static char *savemem(struct nfsd4_compoundargs *argp, __be32 *p, int nbytes) { if (p == argp->tmp) { |