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NFS: Add a slot table to struct nfs_client for NFSv4.0 transport blocking

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Anchor an nfs4_slot_table in the nfs_client for use with NFSv4.0
transport blocking.  It is initialized only for NFSv4.0 nfs_client's.

Introduce appropriate minor version ops to handle nfs_client
initialization and shutdown requirements that differ for each minor
version.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever
2013-08-09 12:49:11 -04:00
committed by Trond Myklebust
parent eb2a1cd3c9
commit abf79bb341
4 changed files with 89 additions and 27 deletions
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6
fs/nfs/nfs4_fs.h
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@@ -38,6 +38,8 @@ struct nfs4_minor_version_ops {
u32 minor_version;
unsigned init_caps;
int (*init_client)(struct nfs_client *);
void (*shutdown_client)(struct nfs_client *);
bool (*match_stateid)(const nfs4_stateid *,
const nfs4_stateid *);
int (*find_root_sec)(struct nfs_server *, struct nfs_fh *,
@@ -292,6 +294,10 @@ extern const u32 nfs4_pathconf_bitmap[3];
extern const u32 nfs4_fsinfo_bitmap[3];
extern const u32 nfs4_fs_locations_bitmap[3];
void nfs40_shutdown_client(struct nfs_client *);
void nfs41_shutdown_client(struct nfs_client *);
int nfs40_init_client(struct nfs_client *);
int nfs41_init_client(struct nfs_client *);
void nfs4_free_client(struct nfs_client *);
struct nfs_client *nfs4_alloc_client(const struct nfs_client_initdata *);