f2fs: introduce help function F2FS_NODE()
Introduce help function F2FS_NODE() to simplify the conversion of node_page to f2fs_node. Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
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963d4f7d7b
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4559071063
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@ -39,7 +39,7 @@ static void __set_data_blkaddr(struct dnode_of_data *dn, block_t new_addr)
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wait_on_page_writeback(node_page);
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rn = (struct f2fs_node *)page_address(node_page);
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rn = F2FS_NODE(node_page);
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/* Get physical address of data block */
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addr_array = blkaddr_in_node(rn);
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@ -270,7 +270,7 @@ static void init_dent_inode(const struct qstr *name, struct page *ipage)
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struct f2fs_node *rn;
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/* copy name info. to this inode page */
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rn = (struct f2fs_node *)page_address(ipage);
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rn = F2FS_NODE(ipage);
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rn->i.i_namelen = cpu_to_le32(name->len);
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memcpy(rn->i.i_name, name->name, name->len);
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set_page_dirty(ipage);
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@ -455,6 +455,11 @@ static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi)
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return (struct f2fs_checkpoint *)(sbi->ckpt);
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}
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static inline struct f2fs_node *F2FS_NODE(struct page *page)
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{
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return (struct f2fs_node *)page_address(page);
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}
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static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi)
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{
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return (struct f2fs_nm_info *)(sbi->nm_info);
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@ -813,7 +818,7 @@ static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name,
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static inline bool IS_INODE(struct page *page)
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{
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struct f2fs_node *p = (struct f2fs_node *)page_address(page);
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struct f2fs_node *p = F2FS_NODE(page);
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return RAW_IS_INODE(p);
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}
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@ -827,7 +832,7 @@ static inline block_t datablock_addr(struct page *node_page,
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{
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struct f2fs_node *raw_node;
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__le32 *addr_array;
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raw_node = (struct f2fs_node *)page_address(node_page);
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raw_node = F2FS_NODE(node_page);
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addr_array = blkaddr_in_node(raw_node);
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return le32_to_cpu(addr_array[offset]);
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}
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@ -206,7 +206,7 @@ int truncate_data_blocks_range(struct dnode_of_data *dn, int count)
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struct f2fs_node *raw_node;
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__le32 *addr;
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raw_node = page_address(dn->node_page);
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raw_node = F2FS_NODE(dn->node_page);
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addr = blkaddr_in_node(raw_node) + ofs;
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for ( ; count > 0; count--, addr++, dn->ofs_in_node++) {
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@ -56,7 +56,7 @@ static int do_read_inode(struct inode *inode)
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if (IS_ERR(node_page))
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return PTR_ERR(node_page);
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rn = page_address(node_page);
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rn = F2FS_NODE(node_page);
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ri = &(rn->i);
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inode->i_mode = le16_to_cpu(ri->i_mode);
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@ -153,7 +153,7 @@ void update_inode(struct inode *inode, struct page *node_page)
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wait_on_page_writeback(node_page);
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rn = page_address(node_page);
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rn = F2FS_NODE(node_page);
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ri = &(rn->i);
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ri->i_mode = cpu_to_le16(inode->i_mode);
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@ -565,7 +565,7 @@ static int truncate_nodes(struct dnode_of_data *dn, unsigned int nofs,
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return PTR_ERR(page);
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}
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rn = (struct f2fs_node *)page_address(page);
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rn = F2FS_NODE(page);
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if (depth < 3) {
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for (i = ofs; i < NIDS_PER_BLOCK; i++, freed++) {
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child_nid = le32_to_cpu(rn->in.nid[i]);
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@ -698,7 +698,7 @@ restart:
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set_new_dnode(&dn, inode, page, NULL, 0);
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unlock_page(page);
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rn = page_address(page);
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rn = F2FS_NODE(page);
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switch (level) {
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case 0:
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case 1:
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@ -1484,8 +1484,8 @@ int recover_inode_page(struct f2fs_sb_info *sbi, struct page *page)
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SetPageUptodate(ipage);
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fill_node_footer(ipage, ino, ino, 0, true);
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src = (struct f2fs_node *)page_address(page);
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dst = (struct f2fs_node *)page_address(ipage);
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src = F2FS_NODE(page);
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dst = F2FS_NODE(ipage);
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memcpy(dst, src, (unsigned long)&src->i.i_ext - (unsigned long)&src->i);
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dst->i.i_size = 0;
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@ -1535,7 +1535,7 @@ int restore_node_summary(struct f2fs_sb_info *sbi,
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goto out;
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lock_page(page);
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rn = (struct f2fs_node *)page_address(page);
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rn = F2FS_NODE(page);
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sum_entry->nid = rn->footer.nid;
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sum_entry->version = 0;
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sum_entry->ofs_in_node = 0;
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@ -155,8 +155,7 @@ static inline void set_to_next_nat(struct f2fs_nm_info *nm_i, nid_t start_nid)
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static inline void fill_node_footer(struct page *page, nid_t nid,
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nid_t ino, unsigned int ofs, bool reset)
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{
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void *kaddr = page_address(page);
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struct f2fs_node *rn = (struct f2fs_node *)kaddr;
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struct f2fs_node *rn = F2FS_NODE(page);
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if (reset)
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memset(rn, 0, sizeof(*rn));
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rn->footer.nid = cpu_to_le32(nid);
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@ -166,10 +165,8 @@ static inline void fill_node_footer(struct page *page, nid_t nid,
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static inline void copy_node_footer(struct page *dst, struct page *src)
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{
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void *src_addr = page_address(src);
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void *dst_addr = page_address(dst);
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struct f2fs_node *src_rn = (struct f2fs_node *)src_addr;
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struct f2fs_node *dst_rn = (struct f2fs_node *)dst_addr;
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struct f2fs_node *src_rn = F2FS_NODE(src);
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struct f2fs_node *dst_rn = F2FS_NODE(dst);
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memcpy(&dst_rn->footer, &src_rn->footer, sizeof(struct node_footer));
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}
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@ -177,45 +174,40 @@ static inline void fill_node_footer_blkaddr(struct page *page, block_t blkaddr)
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{
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struct f2fs_sb_info *sbi = F2FS_SB(page->mapping->host->i_sb);
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struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
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void *kaddr = page_address(page);
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struct f2fs_node *rn = (struct f2fs_node *)kaddr;
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struct f2fs_node *rn = F2FS_NODE(page);
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rn->footer.cp_ver = ckpt->checkpoint_ver;
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rn->footer.next_blkaddr = cpu_to_le32(blkaddr);
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}
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static inline nid_t ino_of_node(struct page *node_page)
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{
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void *kaddr = page_address(node_page);
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struct f2fs_node *rn = (struct f2fs_node *)kaddr;
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struct f2fs_node *rn = F2FS_NODE(node_page);
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return le32_to_cpu(rn->footer.ino);
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}
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static inline nid_t nid_of_node(struct page *node_page)
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{
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void *kaddr = page_address(node_page);
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struct f2fs_node *rn = (struct f2fs_node *)kaddr;
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struct f2fs_node *rn = F2FS_NODE(node_page);
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return le32_to_cpu(rn->footer.nid);
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}
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static inline unsigned int ofs_of_node(struct page *node_page)
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{
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void *kaddr = page_address(node_page);
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struct f2fs_node *rn = (struct f2fs_node *)kaddr;
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struct f2fs_node *rn = F2FS_NODE(node_page);
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unsigned flag = le32_to_cpu(rn->footer.flag);
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return flag >> OFFSET_BIT_SHIFT;
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}
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static inline unsigned long long cpver_of_node(struct page *node_page)
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{
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void *kaddr = page_address(node_page);
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struct f2fs_node *rn = (struct f2fs_node *)kaddr;
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struct f2fs_node *rn = F2FS_NODE(node_page);
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return le64_to_cpu(rn->footer.cp_ver);
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}
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static inline block_t next_blkaddr_of_node(struct page *node_page)
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{
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void *kaddr = page_address(node_page);
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struct f2fs_node *rn = (struct f2fs_node *)kaddr;
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struct f2fs_node *rn = F2FS_NODE(node_page);
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return le32_to_cpu(rn->footer.next_blkaddr);
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}
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@ -250,7 +242,7 @@ static inline bool IS_DNODE(struct page *node_page)
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static inline void set_nid(struct page *p, int off, nid_t nid, bool i)
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{
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struct f2fs_node *rn = (struct f2fs_node *)page_address(p);
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struct f2fs_node *rn = F2FS_NODE(p);
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wait_on_page_writeback(p);
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@ -263,7 +255,8 @@ static inline void set_nid(struct page *p, int off, nid_t nid, bool i)
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static inline nid_t get_nid(struct page *p, int off, bool i)
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{
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struct f2fs_node *rn = (struct f2fs_node *)page_address(p);
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struct f2fs_node *rn = F2FS_NODE(p);
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if (i)
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return le32_to_cpu(rn->i.i_nid[off - NODE_DIR1_BLOCK]);
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return le32_to_cpu(rn->in.nid[off]);
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@ -314,8 +307,7 @@ static inline void clear_cold_data(struct page *page)
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static inline int is_node(struct page *page, int type)
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{
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void *kaddr = page_address(page);
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struct f2fs_node *rn = (struct f2fs_node *)kaddr;
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struct f2fs_node *rn = F2FS_NODE(page);
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return le32_to_cpu(rn->footer.flag) & (1 << type);
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}
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@ -325,7 +317,7 @@ static inline int is_node(struct page *page, int type)
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static inline void set_cold_node(struct inode *inode, struct page *page)
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{
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struct f2fs_node *rn = (struct f2fs_node *)page_address(page);
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struct f2fs_node *rn = F2FS_NODE(page);
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unsigned int flag = le32_to_cpu(rn->footer.flag);
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if (S_ISDIR(inode->i_mode))
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@ -337,7 +329,7 @@ static inline void set_cold_node(struct inode *inode, struct page *page)
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static inline void set_mark(struct page *page, int mark, int type)
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{
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struct f2fs_node *rn = (struct f2fs_node *)page_address(page);
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struct f2fs_node *rn = F2FS_NODE(page);
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unsigned int flag = le32_to_cpu(rn->footer.flag);
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if (mark)
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flag |= (0x1 << type);
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@ -40,8 +40,7 @@ static struct fsync_inode_entry *get_fsync_inode(struct list_head *head,
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static int recover_dentry(struct page *ipage, struct inode *inode)
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{
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void *kaddr = page_address(ipage);
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struct f2fs_node *raw_node = (struct f2fs_node *)kaddr;
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struct f2fs_node *raw_node = F2FS_NODE(ipage);
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struct f2fs_inode *raw_inode = &(raw_node->i);
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nid_t pino = le32_to_cpu(raw_inode->i_pino);
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struct f2fs_dir_entry *de;
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@ -93,8 +92,7 @@ out:
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static int recover_inode(struct inode *inode, struct page *node_page)
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{
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void *kaddr = page_address(node_page);
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struct f2fs_node *raw_node = (struct f2fs_node *)kaddr;
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struct f2fs_node *raw_node = F2FS_NODE(node_page);
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struct f2fs_inode *raw_inode = &(raw_node->i);
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if (!IS_INODE(node_page))
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