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Diffstat (limited to 'fs/afs/cell.c')
-rw-r--r--fs/afs/cell.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/fs/afs/cell.c b/fs/afs/cell.c
index 9bb921d120d0..fdf4c36cff79 100644
--- a/fs/afs/cell.c
+++ b/fs/afs/cell.c
@@ -18,14 +18,14 @@
#include <keys/rxrpc-type.h>
#include "internal.h"
-unsigned __read_mostly afs_cell_gc_delay = 10;
+static unsigned __read_mostly afs_cell_gc_delay = 10;
static void afs_manage_cell(struct work_struct *);
static void afs_dec_cells_outstanding(struct afs_net *net)
{
if (atomic_dec_and_test(&net->cells_outstanding))
- wake_up_atomic_t(&net->cells_outstanding);
+ wake_up_var(&net->cells_outstanding);
}
/*
@@ -75,7 +75,7 @@ struct afs_cell *afs_lookup_cell_rcu(struct afs_net *net,
cell = rcu_dereference_raw(net->ws_cell);
if (cell) {
afs_get_cell(cell);
- continue;
+ break;
}
ret = -EDESTADDRREQ;
continue;
@@ -130,6 +130,8 @@ static struct afs_cell *afs_alloc_cell(struct afs_net *net,
_leave(" = -ENAMETOOLONG");
return ERR_PTR(-ENAMETOOLONG);
}
+ if (namelen == 5 && memcmp(name, "@cell", 5) == 0)
+ return ERR_PTR(-EINVAL);
_enter("%*.*s,%s", namelen, namelen, name, vllist);
@@ -334,8 +336,8 @@ int afs_cell_init(struct afs_net *net, const char *rootcell)
return PTR_ERR(new_root);
}
- set_bit(AFS_CELL_FL_NO_GC, &new_root->flags);
- afs_get_cell(new_root);
+ if (!test_and_set_bit(AFS_CELL_FL_NO_GC, &new_root->flags))
+ afs_get_cell(new_root);
/* install the new cell */
write_seqlock(&net->cells_lock);
@@ -411,7 +413,7 @@ static void afs_cell_destroy(struct rcu_head *rcu)
ASSERTCMP(atomic_read(&cell->usage), ==, 0);
- afs_put_addrlist(cell->vl_addrs);
+ afs_put_addrlist(rcu_access_pointer(cell->vl_addrs));
key_put(cell->anonymous_key);
kfree(cell);
@@ -522,7 +524,9 @@ static int afs_activate_cell(struct afs_net *net, struct afs_cell *cell)
#ifdef CONFIG_AFS_FSCACHE
cell->cache = fscache_acquire_cookie(afs_cache_netfs.primary_index,
&afs_cell_cache_index_def,
- cell, true);
+ cell->name, strlen(cell->name),
+ NULL, 0,
+ cell, 0, true);
#endif
ret = afs_proc_cell_setup(net, cell);
if (ret < 0)
@@ -547,7 +551,7 @@ static void afs_deactivate_cell(struct afs_net *net, struct afs_cell *cell)
spin_unlock(&net->proc_cells_lock);
#ifdef CONFIG_AFS_FSCACHE
- fscache_relinquish_cookie(cell->cache, 0);
+ fscache_relinquish_cookie(cell->cache, NULL, false);
cell->cache = NULL;
#endif
@@ -764,7 +768,7 @@ void afs_cell_purge(struct afs_net *net)
afs_queue_cell_manager(net);
_debug("wait");
- wait_on_atomic_t(&net->cells_outstanding, atomic_t_wait,
- TASK_UNINTERRUPTIBLE);
+ wait_var_event(&net->cells_outstanding,
+ !atomic_read(&net->cells_outstanding));
_leave("");
}