diff options
Diffstat (limited to 'fs/afs/cell.c')
| -rw-r--r-- | fs/afs/cell.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/fs/afs/cell.c b/fs/afs/cell.c index 3d2c5e0e854e..fdf4c36cff79 100644 --- a/fs/afs/cell.c +++ b/fs/afs/cell.c @@ -18,7 +18,7 @@ #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 *); @@ -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 |