+ /* Copy error information to the on-disk superblock */
+ spin_lock(&sbi->s_error_lock);
+ if (sbi->s_add_error_count > 0) {
+ es->s_state |= cpu_to_le16(EXT4_ERROR_FS);
+ if (!es->s_first_error_time && !es->s_first_error_time_hi) {
+ __ext4_update_tstamp(&es->s_first_error_time,
+ &es->s_first_error_time_hi,
+ sbi->s_first_error_time);
+ strncpy(es->s_first_error_func, sbi->s_first_error_func,
+ sizeof(es->s_first_error_func));
+ es->s_first_error_line =
+ cpu_to_le32(sbi->s_first_error_line);
+ es->s_first_error_ino =
+ cpu_to_le32(sbi->s_first_error_ino);
+ es->s_first_error_block =
+ cpu_to_le64(sbi->s_first_error_block);
+ es->s_first_error_errcode =
+ ext4_errno_to_code(sbi->s_first_error_code);
+ }
+ __ext4_update_tstamp(&es->s_last_error_time,
+ &es->s_last_error_time_hi,
+ sbi->s_last_error_time);
+ strncpy(es->s_last_error_func, sbi->s_last_error_func,
+ sizeof(es->s_last_error_func));
+ es->s_last_error_line = cpu_to_le32(sbi->s_last_error_line);
+ es->s_last_error_ino = cpu_to_le32(sbi->s_last_error_ino);
+ es->s_last_error_block = cpu_to_le64(sbi->s_last_error_block);
+ es->s_last_error_errcode =
+ ext4_errno_to_code(sbi->s_last_error_code);
+ /*
+ * Start the daily error reporting function if it hasn't been
+ * started already
+ */
+ if (!es->s_error_count)
+ mod_timer(&sbi->s_err_report, jiffies + 24*60*60*HZ);
+ le32_add_cpu(&es->s_error_count, sbi->s_add_error_count);
+ sbi->s_add_error_count = 0;
+ }
+ spin_unlock(&sbi->s_error_lock);
+