summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-11-26 13:13:29 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-12-06 00:30:45 +0100
commit330212796756ca2752b2a70a83860e145b77487c (patch)
tree5a2e26342a711c4a76136d935d658f73c59492b4
parent5d63360dd8daffc2bc86531e9a44ff9d4881b102 (diff)
NFSv4: Move nfs4_wait_clnt_recover and nfs4_client_recover_expired_lease
nfs4_wait_clnt_recover and nfs4_client_recover_expired_lease are both generic state related functions. As such, they belong in nfs4state.c, and not nfs4proc.c Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
-rw-r--r--fs/nfs/nfs4_fs.h4
-rw-r--r--fs/nfs/nfs4proc.c36
-rw-r--r--fs/nfs/nfs4state.c34
3 files changed, 38 insertions, 36 deletions
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 16b19372c4ba..2f6a9f9d9299 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -11,6 +11,8 @@
#if IS_ENABLED(CONFIG_NFS_V4)
+#define NFS4_MAX_LOOP_ON_RECOVER (10)
+
struct idmap;
enum nfs4_client_state {
@@ -360,6 +362,8 @@ extern void nfs4_state_set_mode_locked(struct nfs4_state *, fmode_t);
extern void nfs_inode_find_state_and_recover(struct inode *inode,
const nfs4_stateid *stateid);
extern void nfs4_schedule_lease_recovery(struct nfs_client *);
+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 *);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 0b0f11be40f9..d75e2a2576eb 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -70,8 +70,6 @@
#define NFS4_POLL_RETRY_MIN (HZ/10)
#define NFS4_POLL_RETRY_MAX (15*HZ)
-#define NFS4_MAX_LOOP_ON_RECOVER (10)
-
struct nfs4_opendata;
static int _nfs4_proc_open(struct nfs4_opendata *data);
static int _nfs4_recover_proc_open(struct nfs4_opendata *data);
@@ -255,22 +253,6 @@ static void nfs4_setup_readdir(u64 cookie, __be32 *verifier, struct dentry *dent
kunmap_atomic(start);
}
-static int nfs4_wait_clnt_recover(struct nfs_client *clp)
-{
- int res;
-
- might_sleep();
-
- res = wait_on_bit(&clp->cl_state, NFS4CLNT_MANAGER_RUNNING,
- nfs_wait_bit_killable, TASK_KILLABLE);
- if (res)
- return res;
-
- if (clp->cl_cons_state < 0)
- return clp->cl_cons_state;
- return 0;
-}
-
static int nfs4_delay(struct rpc_clnt *clnt, long *timeout)
{
int res = 0;
@@ -1883,24 +1865,6 @@ static int _nfs4_proc_open(struct nfs4_opendata *data)
return 0;
}
-static int nfs4_client_recover_expired_lease(struct nfs_client *clp)
-{
- unsigned int loop;
- int ret;
-
- for (loop = NFS4_MAX_LOOP_ON_RECOVER; loop != 0; loop--) {
- ret = nfs4_wait_clnt_recover(clp);
- if (ret != 0)
- break;
- if (!test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) &&
- !test_bit(NFS4CLNT_CHECK_LEASE,&clp->cl_state))
- break;
- nfs4_schedule_state_manager(clp);
- ret = -EIO;
- }
- return ret;
-}
-
static int nfs4_recover_expired_lease(struct nfs_server *server)
{
return nfs4_client_recover_expired_lease(server->nfs_client);
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 1fb3e6c6f993..1077b9698381 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1216,6 +1216,40 @@ void nfs4_schedule_lease_recovery(struct nfs_client *clp)
}
EXPORT_SYMBOL_GPL(nfs4_schedule_lease_recovery);
+int nfs4_wait_clnt_recover(struct nfs_client *clp)
+{
+ int res;
+
+ might_sleep();
+
+ res = wait_on_bit(&clp->cl_state, NFS4CLNT_MANAGER_RUNNING,
+ nfs_wait_bit_killable, TASK_KILLABLE);
+ if (res)
+ return res;
+
+ if (clp->cl_cons_state < 0)
+ return clp->cl_cons_state;
+ return 0;
+}
+
+int nfs4_client_recover_expired_lease(struct nfs_client *clp)
+{
+ unsigned int loop;
+ int ret;
+
+ for (loop = NFS4_MAX_LOOP_ON_RECOVER; loop != 0; loop--) {
+ ret = nfs4_wait_clnt_recover(clp);
+ if (ret != 0)
+ break;
+ if (!test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) &&
+ !test_bit(NFS4CLNT_CHECK_LEASE,&clp->cl_state))
+ break;
+ nfs4_schedule_state_manager(clp);
+ ret = -EIO;
+ }
+ return ret;
+}
+
/*
* nfs40_handle_cb_pathdown - return all delegations after NFS4ERR_CB_PATH_DOWN
* @clp: client to process