diff options
| -rw-r--r-- | fs/nfs/client.c | 2 | ||||
| -rw-r--r-- | fs/nfs/nfs4_fs.h | 2 | ||||
| -rw-r--r-- | fs/nfs/nfs4proc.c | 4 | ||||
| -rw-r--r-- | fs/nfs/nfs4state.c | 17 | ||||
| -rw-r--r-- | include/linux/nfs_fs_sb.h | 3 |
5 files changed, 19 insertions, 9 deletions
diff --git a/fs/nfs/client.c b/fs/nfs/client.c index ca9a4aa38dff..8d1739d3424d 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -1092,6 +1092,7 @@ static struct nfs_server *nfs_alloc_server(void) return NULL; } + ida_init(&server->openowner_id); pnfs_init_server(server); return server; @@ -1117,6 +1118,7 @@ void nfs_free_server(struct nfs_server *server) nfs_put_client(server->nfs_client); + ida_destroy(&server->openowner_id); nfs_free_iostats(server->io_stats); bdi_destroy(&server->backing_dev_info); kfree(server); diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index 654b091644c5..091b679747ed 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -92,7 +92,6 @@ struct nfs_unique_id { * semantics by allowing the server to identify replayed requests. */ struct nfs4_state_owner { - struct nfs_unique_id so_owner_id; struct nfs_server *so_server; struct list_head so_lru; unsigned long so_expires; @@ -106,6 +105,7 @@ struct nfs4_state_owner { struct list_head so_states; struct nfs_seqid_counter so_seqid; struct rpc_sequence so_sequence; + int so_owner_id; }; enum { diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 53ef365f4372..1dd2e407a901 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -815,7 +815,7 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry, p->o_arg.open_flags = flags; p->o_arg.fmode = fmode & (FMODE_READ|FMODE_WRITE); p->o_arg.clientid = server->nfs_client->cl_clientid; - p->o_arg.id = sp->so_owner_id.id; + p->o_arg.id = sp->so_owner_id; p->o_arg.name = &dentry->d_name; p->o_arg.server = server; p->o_arg.bitmask = server->attr_bitmask; @@ -1440,7 +1440,7 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata) rcu_read_unlock(); } /* Update sequence id. */ - data->o_arg.id = sp->so_owner_id.id; + data->o_arg.id = sp->so_owner_id; data->o_arg.clientid = sp->so_server->nfs_client->cl_clientid; if (data->o_arg.claim == NFS4_OPEN_CLAIM_PREVIOUS) { task->tk_msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OPEN_NOATTR]; diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index a8a42a677d8f..8472707286f9 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -405,6 +405,7 @@ nfs4_insert_state_owner_locked(struct nfs4_state_owner *new) struct rb_node **p = &server->state_owners.rb_node, *parent = NULL; struct nfs4_state_owner *sp; + int err; while (*p != NULL) { parent = *p; @@ -421,8 +422,9 @@ nfs4_insert_state_owner_locked(struct nfs4_state_owner *new) return sp; } } - nfs_alloc_unique_id_locked(&server->openowner_id, - &new->so_owner_id, 1, 64); + err = ida_get_new(&server->openowner_id, &new->so_owner_id); + if (err) + return ERR_PTR(err); rb_link_node(&new->so_server_node, parent, p); rb_insert_color(&new->so_server_node, &server->state_owners); return new; @@ -435,7 +437,7 @@ nfs4_remove_state_owner_locked(struct nfs4_state_owner *sp) if (!RB_EMPTY_NODE(&sp->so_server_node)) rb_erase(&sp->so_server_node, &server->state_owners); - nfs_free_unique_id(&server->openowner_id, &sp->so_owner_id); + ida_remove(&server->openowner_id, sp->so_owner_id); } /* @@ -534,8 +536,13 @@ struct nfs4_state_owner *nfs4_get_state_owner(struct nfs_server *server, new = nfs4_alloc_state_owner(server, cred, gfp_flags); if (new == NULL) goto out; - sp = nfs4_insert_state_owner_locked(new); - spin_unlock(&clp->cl_lock); + do { + if (ida_pre_get(&server->openowner_id, gfp_flags) == 0) + break; + spin_lock(&clp->cl_lock); + sp = nfs4_insert_state_owner_locked(new); + spin_unlock(&clp->cl_lock); + } while (sp == ERR_PTR(-EAGAIN)); if (sp != new) nfs4_free_state_owner(new); out: diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index e0863d35f753..645537e18bd0 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -3,6 +3,7 @@ #include <linux/list.h> #include <linux/backing-dev.h> +#include <linux/idr.h> #include <linux/wait.h> #include <linux/nfs_xdr.h> #include <linux/sunrpc/xprt.h> @@ -151,9 +152,9 @@ struct nfs_server { /* the following fields are protected by nfs_client->cl_lock */ struct rb_root state_owners; - struct rb_root openowner_id; struct rb_root lockowner_id; #endif + struct ida openowner_id; struct list_head state_owners_lru; struct list_head layouts; struct list_head delegations; |