lr_sbi 2225 fs/ext4/ext4.h struct ext4_sb_info *lr_sbi; lr_sbi 3080 fs/ext4/super.c elr->lr_sbi->s_li_wait_mult; lr_sbi 3100 fs/ext4/super.c sbi = elr->lr_sbi; lr_sbi 3320 fs/ext4/super.c elr->lr_sbi = sbi;