author: David Howells <dhowells@redhat.com> 2018-11-01 23:07:26 +0000
committer: Al Viro <viro@zeniv.linux.org.uk> 2019-02-28 03:29:37 -0500
commit: e7582e16a170db4c85995c1c03d194ea1ea621fc
parent: 5fe1890d0e200a3b01f74ca380688f7e4b641013
Commit Summary:
Diffstat:
1 file changed, 27 insertions, 0 deletions
diff --git a/fs/fs_context.c b/fs/fs_context.c
index 57f61833ac83..87e3546b9a52 100644
--- a/fs/fs_context.c
+++ b/fs/fs_context.c
@@ -378,6 +378,36 @@ err_fc:
}
EXPORT_SYMBOL(vfs_dup_fs_context);
+#ifdef CONFIG_PRINTK
+/**
+ * logfc - Log a message to a filesystem context
+ * @fc: The filesystem context to log to.
+ * @fmt: The format of the buffer.
+ */
+void logfc(struct fs_context *fc, const char *fmt, ...)
+{
+ va_list va;
+
+ va_start(va, fmt);
+
+ switch (fmt[0]) {
+ case 'w':
+ vprintk_emit(0, LOGLEVEL_WARNING, NULL, 0, fmt, va);
+ break;
+ case 'e':
+ vprintk_emit(0, LOGLEVEL_ERR, NULL, 0, fmt, va);
+ break;
+ default:
+ vprintk_emit(0, LOGLEVEL_NOTICE, NULL, 0, fmt, va);
+ break;
+ }
+
+ pr_cont("\n");
+ va_end(va);
+}
+EXPORT_SYMBOL(logfc);
+#endif
+
/**
* put_fs_context - Dispose of a superblock configuration context.
* @fc: The context to dispose of.