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NFSv4: cleanup idmapper functions to take an nfs_server argument
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...instead of the nfs_client.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Trond Myklebust authored and Trond Myklebust committed Mar 11, 2011
1 parent f0b8516 commit e4fd72a
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Showing 3 changed files with 25 additions and 26 deletions.
24 changes: 12 additions & 12 deletions fs/nfs/idmap.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -241,29 +241,29 @@ static int nfs_idmap_lookup_id(const char *name, size_t namelen,
return ret;
}

int nfs_map_name_to_uid(struct nfs_client *clp, const char *name, size_t namelen, __u32 *uid)
int nfs_map_name_to_uid(const struct nfs_server *server, const char *name, size_t namelen, __u32 *uid)
{
if (nfs_map_string_to_numeric(name, namelen, uid))
return 0;
return nfs_idmap_lookup_id(name, namelen, "uid", uid);
}

int nfs_map_group_to_gid(struct nfs_client *clp, const char *name, size_t namelen, __u32 *gid)
int nfs_map_group_to_gid(const struct nfs_server *server, const char *name, size_t namelen, __u32 *gid)
{
if (nfs_map_string_to_numeric(name, namelen, gid))
return 0;
return nfs_idmap_lookup_id(name, namelen, "gid", gid);
}

int nfs_map_uid_to_name(struct nfs_client *clp, __u32 uid, char *buf, size_t buflen)
int nfs_map_uid_to_name(const struct nfs_server *server, __u32 uid, char *buf, size_t buflen)
{
int ret;
ret = nfs_idmap_lookup_name(uid, "user", buf, buflen);
if (ret < 0)
ret = nfs_map_numeric_to_string(uid, buf, buflen);
return ret;
}
int nfs_map_gid_to_group(struct nfs_client *clp, __u32 gid, char *buf, size_t buflen)
int nfs_map_gid_to_group(const struct nfs_server *server, __u32 gid, char *buf, size_t buflen)
{
int ret;

Expand Down Expand Up @@ -729,37 +729,37 @@ static unsigned int fnvhash32(const void *buf, size_t buflen)
return hash;
}

int nfs_map_name_to_uid(struct nfs_client *clp, const char *name, size_t namelen, __u32 *uid)
int nfs_map_name_to_uid(const struct nfs_server *server, const char *name, size_t namelen, __u32 *uid)
{
struct idmap *idmap = clp->cl_idmap;
struct idmap *idmap = server->nfs_client->cl_idmap;

if (nfs_map_string_to_numeric(name, namelen, uid))
return 0;
return nfs_idmap_id(idmap, &idmap->idmap_user_hash, name, namelen, uid);
}

int nfs_map_group_to_gid(struct nfs_client *clp, const char *name, size_t namelen, __u32 *uid)
int nfs_map_group_to_gid(const struct nfs_server *server, const char *name, size_t namelen, __u32 *uid)
{
struct idmap *idmap = clp->cl_idmap;
struct idmap *idmap = server->nfs_client->cl_idmap;

if (nfs_map_string_to_numeric(name, namelen, uid))
return 0;
return nfs_idmap_id(idmap, &idmap->idmap_group_hash, name, namelen, uid);
}

int nfs_map_uid_to_name(struct nfs_client *clp, __u32 uid, char *buf, size_t buflen)
int nfs_map_uid_to_name(const struct nfs_server *server, __u32 uid, char *buf, size_t buflen)
{
struct idmap *idmap = clp->cl_idmap;
struct idmap *idmap = server->nfs_client->cl_idmap;
int ret;

ret = nfs_idmap_name(idmap, &idmap->idmap_user_hash, uid, buf);
if (ret < 0)
ret = nfs_map_numeric_to_string(uid, buf, buflen);
return ret;
}
int nfs_map_gid_to_group(struct nfs_client *clp, __u32 uid, char *buf, size_t buflen)
int nfs_map_gid_to_group(const struct nfs_server *server, __u32 uid, char *buf, size_t buflen)
{
struct idmap *idmap = clp->cl_idmap;
struct idmap *idmap = server->nfs_client->cl_idmap;
int ret;

ret = nfs_idmap_name(idmap, &idmap->idmap_group_hash, uid, buf);
Expand Down
18 changes: 8 additions & 10 deletions fs/nfs/nfs4xdr.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -844,7 +844,7 @@ static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const
if (iap->ia_valid & ATTR_MODE)
len += 4;
if (iap->ia_valid & ATTR_UID) {
owner_namelen = nfs_map_uid_to_name(server->nfs_client, iap->ia_uid, owner_name, IDMAP_NAMESZ);
owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ);
if (owner_namelen < 0) {
dprintk("nfs: couldn't resolve uid %d to string\n",
iap->ia_uid);
Expand All @@ -856,7 +856,7 @@ static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const
len += 4 + (XDR_QUADLEN(owner_namelen) << 2);
}
if (iap->ia_valid & ATTR_GID) {
owner_grouplen = nfs_map_gid_to_group(server->nfs_client, iap->ia_gid, owner_group, IDMAP_NAMESZ);
owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ);
if (owner_grouplen < 0) {
dprintk("nfs: couldn't resolve gid %d to string\n",
iap->ia_gid);
Expand Down Expand Up @@ -3387,7 +3387,7 @@ static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t
}

static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap,
struct nfs_client *clp, uint32_t *uid, int may_sleep)
const struct nfs_server *server, uint32_t *uid, int may_sleep)
{
uint32_t len;
__be32 *p;
Expand All @@ -3407,7 +3407,7 @@ static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap,
if (!may_sleep) {
/* do nothing */
} else if (len < XDR_MAX_NETOBJ) {
if (nfs_map_name_to_uid(clp, (char *)p, len, uid) == 0)
if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0)
ret = NFS_ATTR_FATTR_OWNER;
else
dprintk("%s: nfs_map_name_to_uid failed!\n",
Expand All @@ -3425,7 +3425,7 @@ static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap,
}

static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap,
struct nfs_client *clp, uint32_t *gid, int may_sleep)
const struct nfs_server *server, uint32_t *gid, int may_sleep)
{
uint32_t len;
__be32 *p;
Expand All @@ -3445,7 +3445,7 @@ static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap,
if (!may_sleep) {
/* do nothing */
} else if (len < XDR_MAX_NETOBJ) {
if (nfs_map_group_to_gid(clp, (char *)p, len, gid) == 0)
if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0)
ret = NFS_ATTR_FATTR_GROUP;
else
dprintk("%s: nfs_map_group_to_gid failed!\n",
Expand Down Expand Up @@ -3944,14 +3944,12 @@ static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap,
goto xdr_error;
fattr->valid |= status;

status = decode_attr_owner(xdr, bitmap, server->nfs_client,
&fattr->uid, may_sleep);
status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, may_sleep);
if (status < 0)
goto xdr_error;
fattr->valid |= status;

status = decode_attr_group(xdr, bitmap, server->nfs_client,
&fattr->gid, may_sleep);
status = decode_attr_group(xdr, bitmap, server, &fattr->gid, may_sleep);
if (status < 0)
goto xdr_error;
fattr->valid |= status;
Expand Down
9 changes: 5 additions & 4 deletions include/linux/nfs_idmap.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -65,6 +65,7 @@ struct idmap_msg {

/* Forward declaration to make this header independent of others */
struct nfs_client;
struct nfs_server;

#ifdef CONFIG_NFS_USE_NEW_IDMAPPER

Expand Down Expand Up @@ -96,10 +97,10 @@ void nfs_idmap_delete(struct nfs_client *);

#endif /* CONFIG_NFS_USE_NEW_IDMAPPER */

int nfs_map_name_to_uid(struct nfs_client *, const char *, size_t, __u32 *);
int nfs_map_group_to_gid(struct nfs_client *, const char *, size_t, __u32 *);
int nfs_map_uid_to_name(struct nfs_client *, __u32, char *, size_t);
int nfs_map_gid_to_group(struct nfs_client *, __u32, char *, size_t);
int nfs_map_name_to_uid(const struct nfs_server *, const char *, size_t, __u32 *);
int nfs_map_group_to_gid(const struct nfs_server *, const char *, size_t, __u32 *);
int nfs_map_uid_to_name(const struct nfs_server *, __u32, char *, size_t);
int nfs_map_gid_to_group(const struct nfs_server *, __u32, char *, size_t);

extern unsigned int nfs_idmap_cache_timeout;
#endif /* __KERNEL__ */
Expand Down

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