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path: root/fs/nfs/nfs4state.c
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Diffstat (limited to 'fs/nfs/nfs4state.c')
-rw-r--r--fs/nfs/nfs4state.c65
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(&copy->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,
&copy->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);