diff options
| -rw-r--r-- | fs/nfs/nfs4_fs.h | 4 | ||||
| -rw-r--r-- | fs/nfs/nfs4proc.c | 36 | ||||
| -rw-r--r-- | fs/nfs/nfs4state.c | 34 |
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 |