summaryrefslogtreecommitdiffstats
path: root/fs/verity/init.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/verity/init.c')
-rw-r--r--fs/verity/init.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/fs/verity/init.c b/fs/verity/init.c
new file mode 100644
index 000000000000..94c104e00861
--- /dev/null
+++ b/fs/verity/init.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * fs/verity/init.c: fs-verity module initialization and logging
+ *
+ * Copyright 2019 Google LLC
+ */
+
+#include "fsverity_private.h"
+
+#include <linux/ratelimit.h>
+
+void fsverity_msg(const struct inode *inode, const char *level,
+ const char *fmt, ...)
+{
+ static DEFINE_RATELIMIT_STATE(rs, DEFAULT_RATELIMIT_INTERVAL,
+ DEFAULT_RATELIMIT_BURST);
+ struct va_format vaf;
+ va_list args;
+
+ if (!__ratelimit(&rs))
+ return;
+
+ va_start(args, fmt);
+ vaf.fmt = fmt;
+ vaf.va = &args;
+ if (inode)
+ printk("%sfs-verity (%s, inode %lu): %pV\n",
+ level, inode->i_sb->s_id, inode->i_ino, &vaf);
+ else
+ printk("%sfs-verity: %pV\n", level, &vaf);
+ va_end(args);
+}
+
+static int __init fsverity_init(void)
+{
+ int err;
+
+ fsverity_check_hash_algs();
+
+ err = fsverity_init_info_cache();
+ if (err)
+ return err;
+
+ err = fsverity_init_workqueue();
+ if (err)
+ goto err_exit_info_cache;
+
+ err = fsverity_init_signature();
+ if (err)
+ goto err_exit_workqueue;
+
+ pr_debug("Initialized fs-verity\n");
+ return 0;
+
+err_exit_workqueue:
+ fsverity_exit_workqueue();
+err_exit_info_cache:
+ fsverity_exit_info_cache();
+ return err;
+}
+late_initcall(fsverity_init)