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authorDavid Howells <dhowells@redhat.com>2021-10-20 16:34:41 +0300
committerDavid Howells <dhowells@redhat.com>2022-01-07 12:22:19 +0300
commit1e1236b841166f1d2daf36fdf6bb3e656bc5f5ca (patch)
treedfe52e21b5373b4706133ba93854502a55eac904 /fs/fscache/stats.c
parenta39c41b853ee51f4dcd19f5556f860ae8e2f23d3 (diff)
downloadlinux-1e1236b841166f1d2daf36fdf6bb3e656bc5f5ca.tar.xz
fscache: Introduce new driver
Introduce basic skeleton of the new, rewritten fscache driver. Changes ======= ver #3: - Use remove_proc_subtree(), not remove_proc_entry() to remove a populated dir. Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> cc: linux-cachefs@redhat.com Link: https://lore.kernel.org/r/163819584034.215744.4290533472390439030.stgit@warthog.procyon.org.uk/ # v1 Link: https://lore.kernel.org/r/163906887770.143852.3577888294989185666.stgit@warthog.procyon.org.uk/ # v2 Link: https://lore.kernel.org/r/163967080039.1823006.5702921801104057922.stgit@warthog.procyon.org.uk/ # v3 Link: https://lore.kernel.org/r/164021491014.640689.4292699878317589512.stgit@warthog.procyon.org.uk/ # v4
Diffstat (limited to 'fs/fscache/stats.c')
-rw-r--r--fs/fscache/stats.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/fscache/stats.c b/fs/fscache/stats.c
new file mode 100644
index 000000000000..bd92f93e1680
--- /dev/null
+++ b/fs/fscache/stats.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* FS-Cache statistics
+ *
+ * Copyright (C) 2021 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ */
+
+#define FSCACHE_DEBUG_LEVEL CACHE
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include "internal.h"
+
+/*
+ * display the general statistics
+ */
+int fscache_stats_show(struct seq_file *m, void *v)
+{
+ seq_puts(m, "FS-Cache statistics\n");
+
+ netfs_stats_show(m);
+ return 0;
+}