FS-Cache: Provide proper invalidation

[firefly-linux-kernel-4.4.55.git] / fs / fscache / stats.c

diff --git a/fs/fscache/stats.c b/fs/fscache/stats.c
index 4765190d537f827f5c8e10c1e75f026d714a00d6..51cdaee14109abcddb038a93ebb1ae3974a5f924 100644 (file)
--- a/fs/fscache/stats.c
+++ b/fs/fscache/stats.c
@@ -80,6 +80,9 @@ atomic_t fscache_n_acquires_ok;
 atomic_t fscache_n_acquires_nobufs;
 atomic_t fscache_n_acquires_oom;
 
+atomic_t fscache_n_invalidates;
+atomic_t fscache_n_invalidates_run;
+
 atomic_t fscache_n_updates;
 atomic_t fscache_n_updates_null;
 atomic_t fscache_n_updates_run;
@@ -112,6 +115,7 @@ atomic_t fscache_n_cop_alloc_object;
 atomic_t fscache_n_cop_lookup_object;
 atomic_t fscache_n_cop_lookup_complete;
 atomic_t fscache_n_cop_grab_object;
+atomic_t fscache_n_cop_invalidate_object;
 atomic_t fscache_n_cop_update_object;
 atomic_t fscache_n_cop_drop_object;
 atomic_t fscache_n_cop_put_object;
@@ -168,6 +172,10 @@ static int fscache_stats_show(struct seq_file *m, void *v)
                   atomic_read(&fscache_n_object_created),
                   atomic_read(&fscache_n_object_lookups_timed_out));
 
+       seq_printf(m, "Invals : n=%u run=%u\n",
+                  atomic_read(&fscache_n_invalidates),
+                  atomic_read(&fscache_n_invalidates_run));
+
        seq_printf(m, "Updates: n=%u nul=%u run=%u\n",
                   atomic_read(&fscache_n_updates),
                   atomic_read(&fscache_n_updates_null),
@@ -246,7 +254,8 @@ static int fscache_stats_show(struct seq_file *m, void *v)
                   atomic_read(&fscache_n_cop_lookup_object),
                   atomic_read(&fscache_n_cop_lookup_complete),
                   atomic_read(&fscache_n_cop_grab_object));
-       seq_printf(m, "CacheOp: upo=%d dro=%d pto=%d atc=%d syn=%d\n",
+       seq_printf(m, "CacheOp: inv=%d upo=%d dro=%d pto=%d atc=%d syn=%d\n",
+                  atomic_read(&fscache_n_cop_invalidate_object),
                   atomic_read(&fscache_n_cop_update_object),
                   atomic_read(&fscache_n_cop_drop_object),
                   atomic_read(&fscache_n_cop_put_object),