ext4: clarify error count warning messages

commit ae0f78de2c43b6fadd007c231a352b13b5be8ed2 upstream.

Make it clear that values printed are times, and that it is error
since last fsck. Also add note about fsck version required.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index a7a5f7e..3cc2a4b 100644 (file)
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2687,10 +2687,11 @@ static void print_daily_error_info(unsigned long arg)
        es = sbi->s_es;
 
        if (es->s_error_count)
-               ext4_msg(sb, KERN_NOTICE, "error count: %u",
+               /* fsck newer than v1.41.13 is needed to clean this condition. */
+               ext4_msg(sb, KERN_NOTICE, "error count since last fsck: %u",
                         le32_to_cpu(es->s_error_count));
        if (es->s_first_error_time) {
-               printk(KERN_NOTICE "EXT4-fs (%s): initial error at %u: %.*s:%d",
+               printk(KERN_NOTICE "EXT4-fs (%s): initial error at time %u: %.*s:%d",
                       sb->s_id, le32_to_cpu(es->s_first_error_time),
                       (int) sizeof(es->s_first_error_func),
                       es->s_first_error_func,
@@ -2704,7 +2705,7 @@ static void print_daily_error_info(unsigned long arg)
                printk("\n");
        }
        if (es->s_last_error_time) {
-               printk(KERN_NOTICE "EXT4-fs (%s): last error at %u: %.*s:%d",
+               printk(KERN_NOTICE "EXT4-fs (%s): last error at time %u: %.*s:%d",
                       sb->s_id, le32_to_cpu(es->s_last_error_time),
                       (int) sizeof(es->s_last_error_func),
                       es->s_last_error_func,