file_blocks 240 fs/jfs/jfs_metapage.c sector_t file_blocks = (inode->i_size + inode->i_sb->s_blocksize - 1) >> file_blocks 243 fs/jfs/jfs_metapage.c if (lblock >= file_blocks) file_blocks 245 fs/jfs/jfs_metapage.c if (lblock + *len > file_blocks) file_blocks 246 fs/jfs/jfs_metapage.c *len = file_blocks - lblock;