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Diffstat (limited to 'fs/nfs/nfs4_fs.h')
-rw-r--r--fs/nfs/nfs4_fs.h16
1 files changed, 14 insertions, 2 deletions
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 944c9a5c1039..553a83cc4106 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -36,6 +36,7 @@ enum nfs4_client_state {
struct nfs4_minor_version_ops {
u32 minor_version;
+ unsigned init_caps;
int (*call_sync)(struct rpc_clnt *clnt,
struct nfs_server *server,
@@ -143,12 +144,14 @@ struct nfs4_lock_state {
enum {
LK_STATE_IN_USE,
NFS_DELEGATED_STATE, /* Current stateid is delegation */
+ NFS_OPEN_STATE, /* OPEN stateid is set */
NFS_O_RDONLY_STATE, /* OPEN stateid has read-only state */
NFS_O_WRONLY_STATE, /* OPEN stateid has write-only state */
NFS_O_RDWR_STATE, /* OPEN stateid has read/write state */
NFS_STATE_RECLAIM_REBOOT, /* OPEN stateid server rebooted */
NFS_STATE_RECLAIM_NOGRACE, /* OPEN stateid needs to recover state */
NFS_STATE_POSIX_LOCKS, /* Posix locks are supported */
+ NFS_STATE_RECOVERY_FAILED, /* OPEN stateid state recovery failed */
};
struct nfs4_state {
@@ -233,6 +236,10 @@ extern struct rpc_clnt *nfs4_proc_lookup_mountpoint(struct inode *, struct qstr
extern int nfs4_proc_secinfo(struct inode *, const struct qstr *, struct nfs4_secinfo_flavors *);
extern int nfs4_release_lockowner(struct nfs4_lock_state *);
extern const struct xattr_handler *nfs4_xattr_handlers[];
+extern int nfs4_set_rw_stateid(nfs4_stateid *stateid,
+ const struct nfs_open_context *ctx,
+ const struct nfs_lock_context *l_ctx,
+ fmode_t fmode);
#if defined(CONFIG_NFS_V4_1)
static inline struct nfs4_session *nfs4_get_session(const struct nfs_server *server)
@@ -347,13 +354,13 @@ extern int nfs4_wait_clnt_recover(struct nfs_client *clp);
extern int nfs4_client_recover_expired_lease(struct nfs_client *clp);
extern void nfs4_schedule_state_manager(struct nfs_client *);
extern void nfs4_schedule_path_down_recovery(struct nfs_client *clp);
-extern void nfs4_schedule_stateid_recovery(const struct nfs_server *, struct nfs4_state *);
+extern int nfs4_schedule_stateid_recovery(const struct nfs_server *, struct nfs4_state *);
extern void nfs41_handle_sequence_flag_errors(struct nfs_client *clp, u32 flags);
extern void nfs41_handle_server_scope(struct nfs_client *,
struct nfs41_server_scope **);
extern void nfs4_put_lock_state(struct nfs4_lock_state *lsp);
extern int nfs4_set_lock_state(struct nfs4_state *state, struct file_lock *fl);
-extern void nfs4_select_rw_stateid(nfs4_stateid *, struct nfs4_state *,
+extern int nfs4_select_rw_stateid(nfs4_stateid *, struct nfs4_state *,
fmode_t, const struct nfs_lockowner *);
extern struct nfs_seqid *nfs_alloc_seqid(struct nfs_seqid_counter *counter, gfp_t gfp_mask);
@@ -412,6 +419,11 @@ static inline bool nfs4_stateid_match(const nfs4_stateid *dst, const nfs4_statei
return memcmp(dst, src, sizeof(*dst)) == 0;
}
+static inline bool nfs4_valid_open_stateid(const struct nfs4_state *state)
+{
+ return test_bit(NFS_STATE_RECOVERY_FAILED, &state->flags) == 0;
+}
+
#else
#define nfs4_close_state(a, b) do { } while (0)