ext4_has_feature_filetype 2511 fs/ext4/ext4.h if (!ext4_has_feature_filetype(sb) || filetype >= EXT4_FT_MAX) ext4_has_feature_filetype 3234 fs/ext4/ext4.h if (ext4_has_feature_filetype(sb)) ext4_has_feature_filetype 3520 fs/ext4/namei.c if (ext4_has_feature_filetype(ent->dir->i_sb))