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ext4: call ext4_bg_num_gdb_[no]meta directly in ext4_num_base_meta_clusters
ext4_num_base_meta_clusters is already aware of meta_bg feature and test if block_group is inside real meta block groups before calling ext4_bg_num_gdb. Then ext4_bg_num_gdb will check if block group is inside a real meta block groups again to decide either ext4_bg_num_gdb_meta or ext4_bg_num_gdb_nometa is needed. Call ext4_bg_num_gdb_meta or ext4_bg_num_gdb_nometa directly after we check if block_group is inside a meta block groups in ext4_num_base_meta_clusters to remove redundant check of meta block groups in ext4_bg_num_gdb. Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com> Link: https://lore.kernel.org/r/20230221115919.1918161-4-shikemeng@huaweicloud.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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@ -889,11 +889,11 @@ static unsigned ext4_num_base_meta_clusters(struct super_block *sb,
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block_group < le32_to_cpu(sbi->s_es->s_first_meta_bg) *
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sbi->s_desc_per_block) {
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if (num) {
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num += ext4_bg_num_gdb(sb, block_group);
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num += ext4_bg_num_gdb_nometa(sb, block_group);
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num += le16_to_cpu(sbi->s_es->s_reserved_gdt_blocks);
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}
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} else { /* For META_BG_BLOCK_GROUPS */
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num += ext4_bg_num_gdb(sb, block_group);
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num += ext4_bg_num_gdb_meta(sb, block_group);
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}
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return EXT4_NUM_B2C(sbi, num);
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}
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