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nfsd4: return nfs errno from name_to_id functions 

This avoids the need for the confusing ESRCH mapping.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
wifi-calibration
J. Bruce Fields 2011-01-04 17:53:52 -05:00
parent 775a1905e1
commit 3c72602340
4 changed files with 14 additions and 14 deletions
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4
fs/nfsd/idmap.h
View File

@ -54,8 +54,8 @@ static inline void nfsd_idmap_shutdown(void)
}
#endif
int nfsd_map_name_to_uid(struct svc_rqst *, const char *, size_t, __u32 *);
int nfsd_map_name_to_gid(struct svc_rqst *, const char *, size_t, __u32 *);
__be32 nfsd_map_name_to_uid(struct svc_rqst *, const char *, size_t, __u32 *);
__be32 nfsd_map_name_to_gid(struct svc_rqst *, const char *, size_t, __u32 *);
int nfsd_map_uid_to_name(struct svc_rqst *, __u32, char *);
int nfsd_map_gid_to_name(struct svc_rqst *, __u32, char *);

13
fs/nfsd/nfs4idmap.c
View File

@ -37,6 +37,7 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include "idmap.h"
#include "nfsd.h"
/*
* Cache entry
@ -514,7 +515,7 @@ rqst_authname(struct svc_rqst *rqstp)
return clp->name;
}
static int
static __be32
idmap_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namelen,
uid_t *id)
{
@ -524,15 +525,15 @@ idmap_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namelen
int ret;
if (namelen + 1 > sizeof(key.name))
return -ESRCH; /* nfserr_badowner */
return nfserr_badowner;
memcpy(key.name, name, namelen);
key.name[namelen] = '\0';
strlcpy(key.authname, rqst_authname(rqstp), sizeof(key.authname));
ret = idmap_lookup(rqstp, nametoid_lookup, &key, &nametoid_cache, &item);
if (ret == -ENOENT)
ret = -ESRCH; /* nfserr_badowner */
return nfserr_badowner;
if (ret)
return ret;
return nfserrno(ret);
*id = item->id;
cache_put(&item->h, &nametoid_cache);
return 0;
@ -560,14 +561,14 @@ idmap_id_to_name(struct svc_rqst *rqstp, int type, uid_t id, char *name)
return ret;
}
int
__be32
nfsd_map_name_to_uid(struct svc_rqst *rqstp, const char *name, size_t namelen,
__u32 *id)
{
return idmap_name_to_id(rqstp, IDMAP_TYPE_USER, name, namelen, id);
}
int
__be32
nfsd_map_name_to_gid(struct svc_rqst *rqstp, const char *name, size_t namelen,
__u32 *id)
{

10
fs/nfsd/nfs4xdr.c
View File

@ -289,17 +289,17 @@ nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval,
len += XDR_QUADLEN(dummy32) << 2;
READMEM(buf, dummy32);
ace->whotype = nfs4_acl_get_whotype(buf, dummy32);
host_err = 0;
status = nfs_ok;
if (ace->whotype != NFS4_ACL_WHO_NAMED)
ace->who = 0;
else if (ace->flag & NFS4_ACE_IDENTIFIER_GROUP)
host_err = nfsd_map_name_to_gid(argp->rqstp,
status = nfsd_map_name_to_gid(argp->rqstp,
buf, dummy32, &ace->who);
else
host_err = nfsd_map_name_to_uid(argp->rqstp,
status = nfsd_map_name_to_uid(argp->rqstp,
buf, dummy32, &ace->who);
if (host_err)
goto out_nfserr;
if (status)
return status;
}
} else
*acl = NULL;

1
fs/nfsd/nfsproc.c
View File

@ -738,7 +738,6 @@ nfserrno (int errno)
{ nfserr_jukebox, -EAGAIN },
{ nfserr_jukebox, -EWOULDBLOCK },
{ nfserr_jukebox, -ENOMEM },
{ nfserr_badowner, -ESRCH },
{ nfserr_io, -ETXTBSY },
{ nfserr_notsupp, -EOPNOTSUPP },
{ nfserr_toosmall, -ETOOSMALL },