diff options
Diffstat (limited to 'fs/nfs/nfs4state.c')
-rw-r--r-- | fs/nfs/nfs4state.c | 65 |
1 files changed, 34 insertions, 31 deletions
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 662e86ea3a2d..7612e977e80b 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -501,11 +501,7 @@ nfs4_alloc_state_owner(struct nfs_server *server, sp = kzalloc(sizeof(*sp), gfp_flags); if (!sp) return NULL; - sp->so_seqid.owner_id = ida_alloc(&server->openowner_id, gfp_flags); - if (sp->so_seqid.owner_id < 0) { - kfree(sp); - return NULL; - } + sp->so_seqid.owner_id = atomic64_inc_return(&server->owner_ctr); sp->so_server = server; sp->so_cred = get_cred(cred); spin_lock_init(&sp->so_lock); @@ -536,7 +532,6 @@ static void nfs4_free_state_owner(struct nfs4_state_owner *sp) { nfs4_destroy_seqid_counter(&sp->so_seqid); put_cred(sp->so_cred); - ida_free(&sp->so_server->openowner_id, sp->so_seqid.owner_id); kfree(sp); } @@ -879,19 +874,13 @@ static struct nfs4_lock_state *nfs4_alloc_lock_state(struct nfs4_state *state, f refcount_set(&lsp->ls_count, 1); lsp->ls_state = state; lsp->ls_owner = owner; - lsp->ls_seqid.owner_id = ida_alloc(&server->lockowner_id, GFP_KERNEL_ACCOUNT); - if (lsp->ls_seqid.owner_id < 0) - goto out_free; + lsp->ls_seqid.owner_id = atomic64_inc_return(&server->owner_ctr); INIT_LIST_HEAD(&lsp->ls_locks); return lsp; -out_free: - kfree(lsp); - return NULL; } void nfs4_free_lock_state(struct nfs_server *server, struct nfs4_lock_state *lsp) { - ida_free(&server->lockowner_id, lsp->ls_seqid.owner_id); nfs4_destroy_seqid_counter(&lsp->ls_seqid); kfree(lsp); } @@ -1094,14 +1083,12 @@ void nfs_release_seqid(struct nfs_seqid *seqid) return; sequence = seqid->sequence; spin_lock(&sequence->lock); - list_del_init(&seqid->list); - if (!list_empty(&sequence->list)) { - struct nfs_seqid *next; - - next = list_first_entry(&sequence->list, - struct nfs_seqid, list); + if (list_is_first(&seqid->list, &sequence->list) && + !list_is_singular(&sequence->list)) { + struct nfs_seqid *next = list_next_entry(seqid, list); rpc_wake_up_queued_task(&sequence->wait, next->task); } + list_del_init(&seqid->list); spin_unlock(&sequence->lock); } @@ -1211,7 +1198,7 @@ void nfs4_schedule_state_manager(struct nfs_client *clp) struct rpc_clnt *clnt = clp->cl_rpcclient; bool swapon = false; - if (clnt->cl_shutdown) + if (clp->cl_cons_state < 0) return; set_bit(NFS4CLNT_RUN_MANAGER, &clp->cl_state); @@ -1416,7 +1403,7 @@ int nfs4_schedule_stateid_recovery(const struct nfs_server *server, struct nfs4_ dprintk("%s: scheduling stateid recovery for server %s\n", __func__, clp->cl_hostname); nfs4_schedule_state_manager(clp); - return 0; + return clp->cl_cons_state < 0 ? clp->cl_cons_state : 0; } EXPORT_SYMBOL_GPL(nfs4_schedule_stateid_recovery); @@ -1596,7 +1583,7 @@ static void nfs42_complete_copies(struct nfs4_state_owner *sp, struct nfs4_state complete(©->completion); } } - list_for_each_entry(copy, &sp->so_server->ss_copies, src_copies) { + list_for_each_entry(copy, &sp->so_server->ss_src_copies, src_copies) { if ((test_bit(NFS_CLNT_SRC_SSC_COPY_STATE, &state->flags) && !nfs4_stateid_match_other(&state->stateid, ©->parent_src_state->stateid))) @@ -1863,6 +1850,7 @@ static void nfs4_state_end_reclaim_reboot(struct nfs_client *clp) if (!nfs4_state_clear_reclaim_reboot(clp)) return; + pnfs_destroy_all_layouts(clp); ops = clp->cl_mvops->reboot_recovery_ops; cred = nfs4_get_clid_cred(clp); err = nfs4_reclaim_complete(clp, ops, cred); @@ -1956,6 +1944,7 @@ restart: set_bit(ops->owner_flag_bit, &sp->so_flags); nfs4_put_state_owner(sp); status = nfs4_recovery_handle_error(clp, status); + nfs4_free_state_owners(&freeme); return (status != 0) ? status : -EAGAIN; } @@ -1966,6 +1955,7 @@ restart: } rcu_read_unlock(); nfs4_free_state_owners(&freeme); + nfs_local_probe_async(clp); if (lost_locks) pr_warn("NFS: %s: lost %d locks\n", clp->cl_hostname, lost_locks); @@ -2022,6 +2012,12 @@ static int nfs4_handle_reclaim_lease_error(struct nfs_client *clp, int status) nfs_mark_client_ready(clp, -EPERM); clear_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state); return -EPERM; + case -ETIMEDOUT: + if (clp->cl_cons_state == NFS_CS_SESSION_INITING) { + nfs_mark_client_ready(clp, -EIO); + return -EIO; + } + fallthrough; case -EACCES: case -NFS4ERR_DELAY: case -EAGAIN: @@ -2068,7 +2064,6 @@ static int nfs4_establish_lease(struct nfs_client *clp) put_cred(cred); if (status != 0) return status; - pnfs_destroy_all_layouts(clp); return 0; } @@ -2116,6 +2111,7 @@ static int nfs4_try_migration(struct nfs_server *server, const struct cred *cred { struct nfs_client *clp = server->nfs_client; struct nfs4_fs_locations *locations = NULL; + struct nfs_fattr *fattr; struct inode *inode; struct page *page; int status, result; @@ -2125,19 +2121,16 @@ static int nfs4_try_migration(struct nfs_server *server, const struct cred *cred (unsigned long long)server->fsid.minor, clp->cl_hostname); - result = 0; page = alloc_page(GFP_KERNEL); locations = kmalloc(sizeof(struct nfs4_fs_locations), GFP_KERNEL); - if (page == NULL || locations == NULL) { - dprintk("<-- %s: no memory\n", __func__); - goto out; - } - locations->fattr = nfs_alloc_fattr(); - if (locations->fattr == NULL) { + fattr = nfs_alloc_fattr(); + if (page == NULL || locations == NULL || fattr == NULL) { dprintk("<-- %s: no memory\n", __func__); + result = 0; goto out; } + locations->fattr = fattr; inode = d_inode(server->super->s_root); result = nfs4_proc_get_locations(server, NFS_FH(inode), locations, page, cred); @@ -2682,6 +2675,8 @@ static void nfs4_state_manager(struct nfs_client *clp) section = "reclaim reboot"; status = nfs4_do_reclaim(clp, clp->cl_mvops->reboot_recovery_ops); + if (status == 0) + status = pnfs_layout_handle_reboot(clp); if (status == -EAGAIN) continue; if (status < 0) @@ -2744,7 +2739,15 @@ out_error: pr_warn_ratelimited("NFS: state manager%s%s failed on NFSv4 server %s" " with error %d\n", section_sep, section, clp->cl_hostname, -status); - ssleep(1); + switch (status) { + case -ENETDOWN: + case -ENETUNREACH: + nfs_mark_client_ready(clp, -EIO); + break; + default: + ssleep(1); + break; + } out_drain: memalloc_nofs_restore(memflags); nfs4_end_drain_session(clp); |