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NFSv4: Prepare for minorversion-specific nfs_server capabilities 

Clean up the setting of the nfs_server->caps, by shoving it all
into nfs4_server_common_setup().
Then add an 'initial capabilities' field into struct nfs4_minor_version_ops.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2013-03-15 16:11:57 -04:00
parent 5521abfdcf
commit 39c6daae70
3 changed files with 22 additions and 11 deletions
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1
fs/nfs/nfs4_fs.h
View File

@ -36,6 +36,7 @@ enum nfs4_client_state {
struct nfs4_minor_version_ops { struct nfs4_minor_version_ops {
u32 minor_version; u32 minor_version;
unsigned init_caps;
int (*call_sync)(struct rpc_clnt *clnt, int (*call_sync)(struct rpc_clnt *clnt,
struct nfs_server *server, struct nfs_server *server,

24
fs/nfs/nfs4client.c
View File

@ -717,6 +717,19 @@ static int nfs4_server_common_setup(struct nfs_server *server,
if (error < 0) if (error < 0)
goto out; goto out;
/* Set the basic capabilities */
server->caps |= server->nfs_client->cl_mvops->init_caps;
if (server->flags & NFS_MOUNT_NORDIRPLUS)
server->caps &= ~NFS_CAP_READDIRPLUS;
/*
* Don't use NFS uid/gid mapping if we're using AUTH_SYS or lower
* authentication.
*/
if (nfs4_disable_idmapping &&
server->client->cl_auth->au_flavor == RPC_AUTH_UNIX)
server->caps |= NFS_CAP_UIDGID_NOMAP;
/* Probe the root fh to retrieve its FSID and filehandle */ /* Probe the root fh to retrieve its FSID and filehandle */
error = nfs4_get_rootfh(server, mntfh); error = nfs4_get_rootfh(server, mntfh);
if (error < 0) if (error < 0)
@ -760,9 +773,6 @@ static int nfs4_init_server(struct nfs_server *server,
/* Initialise the client representation from the mount data */ /* Initialise the client representation from the mount data */
server->flags = data->flags; server->flags = data->flags;
server->caps |= NFS_CAP_ATOMIC_OPEN|NFS_CAP_CHANGE_ATTR|NFS_CAP_POSIX_LOCK;
if (!(data->flags & NFS_MOUNT_NORDIRPLUS))
server->caps |= NFS_CAP_READDIRPLUS;
server->options = data->options; server->options = data->options;
/* Get a client record */ /* Get a client record */
@ -779,13 +789,6 @@ static int nfs4_init_server(struct nfs_server *server,
if (error < 0) if (error < 0)
goto error; goto error;
/*
* Don't use NFS uid/gid mapping if we're using AUTH_SYS or lower
* authentication.
*/
if (nfs4_disable_idmapping && data->auth_flavors[0] == RPC_AUTH_UNIX)
server->caps |= NFS_CAP_UIDGID_NOMAP;
if (data->rsize) if (data->rsize)
server->rsize = nfs_block_size(data->rsize, NULL); server->rsize = nfs_block_size(data->rsize, NULL);
if (data->wsize) if (data->wsize)
@ -863,7 +866,6 @@ struct nfs_server *nfs4_create_referral_server(struct nfs_clone_mount *data,
/* Initialise the client representation from the parent server */ /* Initialise the client representation from the parent server */
nfs_server_copy_userdata(server, parent_server); nfs_server_copy_userdata(server, parent_server);
server->caps |= NFS_CAP_ATOMIC_OPEN|NFS_CAP_CHANGE_ATTR;
/* Get a client representation. /* Get a client representation.
* Note: NFSv4 always uses TCP, */ * Note: NFSv4 always uses TCP, */

8
fs/nfs/nfs4proc.c
View File

@ -6823,6 +6823,10 @@ static const struct nfs4_state_maintenance_ops nfs41_state_renewal_ops = {
static const struct nfs4_minor_version_ops nfs_v4_0_minor_ops = { static const struct nfs4_minor_version_ops nfs_v4_0_minor_ops = {
.minor_version = 0, .minor_version = 0,
.init_caps = NFS_CAP_READDIRPLUS
| NFS_CAP_ATOMIC_OPEN
| NFS_CAP_CHANGE_ATTR
| NFS_CAP_POSIX_LOCK,
.call_sync = _nfs4_call_sync, .call_sync = _nfs4_call_sync,
.match_stateid = nfs4_match_stateid, .match_stateid = nfs4_match_stateid,
.find_root_sec = nfs4_find_root_sec, .find_root_sec = nfs4_find_root_sec,
@ -6834,6 +6838,10 @@ static const struct nfs4_minor_version_ops nfs_v4_0_minor_ops = {
#if defined(CONFIG_NFS_V4_1) #if defined(CONFIG_NFS_V4_1)
static const struct nfs4_minor_version_ops nfs_v4_1_minor_ops = { static const struct nfs4_minor_version_ops nfs_v4_1_minor_ops = {
.minor_version = 1, .minor_version = 1,
.init_caps = NFS_CAP_READDIRPLUS
| NFS_CAP_ATOMIC_OPEN
| NFS_CAP_CHANGE_ATTR
| NFS_CAP_POSIX_LOCK,
.call_sync = nfs4_call_sync_sequence, .call_sync = nfs4_call_sync_sequence,
.match_stateid = nfs41_match_stateid, .match_stateid = nfs41_match_stateid,
.find_root_sec = nfs41_find_root_sec, .find_root_sec = nfs41_find_root_sec,