struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev) { struct inode * inode = new_inode(sb); if (inode) { inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); inode->i_mapping->a_ops = &ramfs_aops; inode->i_mapping->backing_dev_info = &ramfs_backing_dev_info; mapping_set_gfp_mask(inode->i_mapping, GFP_HIGHUSER); mapping_set_unevictable(inode->i_mapping); inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; switch (mode & S_IFMT) { default: init_special_inode(inode, mode, dev); break; case S_IFREG: inode->i_op = &ramfs_file_inode_operations; inode->i_fop = &ramfs_file_operations; break; case S_IFDIR: inode->i_op = &ramfs_dir_inode_operations; inode->i_fop = &simple_dir_operations; /* directory inodes start off with i_nlink == 2 (for "." entry) */ inc_nlink(inode); break; case S_IFLNK: inode->i_op = &page_symlink_inode_operations; break; } } return inode; }
struct inode *ramfs_get_inode(struct super_block *sb, const struct inode *dir, umode_t mode, dev_t dev) { struct inode * inode = new_inode(sb); if (inode) { inode->i_ino = get_next_ino(); inode_init_owner(inode, dir, mode); inode->i_mapping->a_ops = &ramfs_aops; mapping_set_gfp_mask(inode->i_mapping, GFP_HIGHUSER); mapping_set_unevictable(inode->i_mapping); inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); switch (mode & S_IFMT) { default: init_special_inode(inode, mode, dev); break; case S_IFREG: inode->i_op = &ramfs_file_inode_operations; inode->i_fop = &ramfs_file_operations; break; case S_IFDIR: inode->i_op = &ramfs_dir_inode_operations; inode->i_fop = &simple_dir_operations; /* directory inodes start off with i_nlink == 2 (for "." entry) */ inc_nlink(inode); break; case S_IFLNK: inode->i_op = &page_symlink_inode_operations; inode_nohighmem(inode); break; } } return inode; }
struct inode *myfs_get_inode(struct super_block *sb, const struct inode *dir, umode_t mode, dev_t dev) { struct inode *inode = new_inode(sb); if (inode) { inode->i_ino = get_next_ino(); inode_init_owner(inode, dir, mode); inode->i_mapping->a_ops = &myfs_aops; mapping_set_gfp_mask(inode->i_mapping, GFP_HIGHUSER); mapping_set_unevictable(inode->i_mapping); inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; switch(mode & S_IFMT) { default: init_special_inode(inode, mode, dev); break; case S_IFREG: inode->i_op = &myfs_file_inode_operations; inode->i_fop = &myfs_file_operations; break; case S_IFDIR: inode->i_op = &myfs_dir_inode_operations; inode->i_fop = &simple_dir_operations; inc_nlink(inode); break; case S_IFLNK: inode->i_op= &page_symlink_inode_operations; break; } } return inode; }
struct inode *ramfs2_get_inode(struct super_block *sb, const struct inode *dir, umode_t mode, dev_t dev) { struct inode * inode; if(dir) { printk("ramfs2_get_inode(sb. dir.ino:%lu, m:%#0hx, dev)\n", dir->i_ino, (unsigned int) mode); } else { printk("ramfs2_get_inode(sb. dir.ino:NULL, m:%#0hx, dev)\n", (unsigned int) mode); } inode = new_inode(sb); if (inode) { inode->i_ino = get_next_ino(); printk("--- ret: %lu\n", inode->i_ino); inode_init_owner(inode, dir, mode); inode->i_mapping->a_ops = &ramfs2_aops; mapping_set_gfp_mask(inode->i_mapping, GFP_HIGHUSER); mapping_set_unevictable(inode->i_mapping); inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; switch (mode & S_IFMT) { default: init_special_inode(inode, mode, dev); break; case S_IFREG: inode->i_op = &sjfs_file_inode_operations; inode->i_fop = &sjfs_file_operations; break; case S_IFDIR: inode->i_op = &sjfs_dir_inode_operations; inode->i_fop = &sjfs_dir_operations; inc_nlink(inode); // directory inodes start off with i_nlink == 2 (for "." entry) break; case S_IFLNK: inode->i_op = &page_symlink_inode_operations; break; } } return inode; }