ext4: add tracepoints for shutdown and file system errors

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2018-02-18 20:53:23 -05:00
parent 7928b2cbe5
commit ccf0f32acd
3 changed files with 48 additions and 0 deletions
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -481,6 +481,7 @@ static int ext4_shutdown(struct super_block *sb, unsigned long arg)
 		return 0;

 	ext4_msg(sb, KERN_ALERT, "shut down requested (%d)", flags);
+	trace_ext4_shutdown(sb, flags);

 	switch (flags) {
 	case EXT4_GOING_FLAGS_DEFAULT: