Yanyg - SAN Software Engineer

Test Colored Code

目录

1 Test C Code

static inline gfp_t root_gfp_mask(const struct radix_tree_root *root)
{
        return root->gfp_mask & __GFP_BITS_MASK;
}

static inline void tag_set(struct radix_tree_node *node, unsigned int tag,
                int offset)
{
        __set_bit(offset, node->tags[tag]);
}

static inline void tag_clear(struct radix_tree_node *node, unsigned int tag,
                int offset)
{
        __clear_bit(offset, node->tags[tag]);
}

static inline int tag_get(const struct radix_tree_node *node, unsigned int tag,
                int offset)
{
        return test_bit(offset, node->tags[tag]);
}

static inline void root_tag_set(struct radix_tree_root *root, unsigned tag)
{
        root->gfp_mask |= (__force gfp_t)(1 << (tag + ROOT_TAG_SHIFT));
}

static inline void root_tag_clear(struct radix_tree_root *root, unsigned tag)
{
        root->gfp_mask &= (__force gfp_t)~(1 << (tag + ROOT_TAG_SHIFT));
}

static inline void root_tag_clear_all(struct radix_tree_root *root)
{
        root->gfp_mask &= (1 << ROOT_TAG_SHIFT) - 1;
}

static inline int root_tag_get(const struct radix_tree_root *root, unsigned tag)
{
        return (__force int)root->gfp_mask & (1 << (tag + ROOT_TAG_SHIFT));
}