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-rw-r--r--fs/afs/cell.c16
-rw-r--r--fs/afs/internal.h1
2 files changed, 11 insertions, 6 deletions
diff --git a/fs/afs/cell.c b/fs/afs/cell.c
index 1944be78e9b0..bc7ed46aaca9 100644
--- a/fs/afs/cell.c
+++ b/fs/afs/cell.c
@@ -291,11 +291,11 @@ wait_for_cell:
wait_var_event(&cell->state,
({
state = smp_load_acquire(&cell->state); /* vs error */
- state == AFS_CELL_ACTIVE || state == AFS_CELL_FAILED;
+ state == AFS_CELL_ACTIVE || state == AFS_CELL_REMOVED;
}));
/* Check the state obtained from the wait check. */
- if (state == AFS_CELL_FAILED) {
+ if (state == AFS_CELL_REMOVED) {
ret = cell->error;
goto error;
}
@@ -700,7 +700,6 @@ static void afs_deactivate_cell(struct afs_net *net, struct afs_cell *cell)
static void afs_manage_cell(struct afs_cell *cell)
{
struct afs_net *net = cell->net;
- bool deleted;
int ret, active;
_enter("%s", cell->name);
@@ -712,13 +711,15 @@ again:
case AFS_CELL_FAILED:
down_write(&net->cells_lock);
active = 1;
- deleted = atomic_try_cmpxchg_relaxed(&cell->active, &active, 0);
- if (deleted) {
+ if (atomic_try_cmpxchg_relaxed(&cell->active, &active, 0)) {
rb_erase(&cell->net_node, &net->cells);
+ smp_store_release(&cell->state, AFS_CELL_REMOVED);
}
up_write(&net->cells_lock);
- if (deleted)
+ if (cell->state == AFS_CELL_REMOVED) {
+ wake_up_var(&cell->state);
goto final_destruction;
+ }
if (cell->state == AFS_CELL_FAILED)
goto done;
smp_store_release(&cell->state, AFS_CELL_UNSET);
@@ -760,6 +761,9 @@ again:
wake_up_var(&cell->state);
goto again;
+ case AFS_CELL_REMOVED:
+ goto done;
+
default:
break;
}
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 0363511290c8..06e617ee4cd1 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -326,6 +326,7 @@ enum afs_cell_state {
AFS_CELL_DEACTIVATING,
AFS_CELL_INACTIVE,
AFS_CELL_FAILED,
+ AFS_CELL_REMOVED,
};
/*