EXT4_MOUNT_DAX 1726 fs/ext4/super.c {Opt_dax, EXT4_MOUNT_DAX, MOPT_SET}, EXT4_MOUNT_DAX 4042 fs/ext4/super.c if (sbi->s_mount_opt & EXT4_MOUNT_DAX) { EXT4_MOUNT_DAX 5390 fs/ext4/super.c if ((sbi->s_mount_opt ^ old_opts.s_mount_opt) & EXT4_MOUNT_DAX) { EXT4_MOUNT_DAX 5393 fs/ext4/super.c sbi->s_mount_opt ^= EXT4_MOUNT_DAX;