int ext2_load_inode(ext2_t *ext2, inodenum_t num, struct ext2_inode *inode)
{
int err;
LTRACEF("num %d, inode %p\n", num, inode);
blocknum_t bnum;
size_t block_offset;
get_inode_addr(ext2, num, &bnum, &block_offset);
LTRACEF("bnum %u, offset %zd\n", bnum, block_offset);
/* get a pointer to the cache block */
void *cache_ptr;
err = bcache_get_block(ext2->cache, &cache_ptr, bnum);
if (err < 0)
return err;
/* copy the inode out */
memcpy(inode, (uint8_t *)cache_ptr + block_offset, sizeof(struct ext2_inode));
/* put the cache block */
bcache_put_block(ext2->cache, bnum);
/* endian swap it */
endian_swap_inode(inode);
LTRACEF("read inode: mode 0x%x, size %d\n", inode->i_mode, inode->i_size);
return 0;
}
int ext2_get_block(ext2_t *ext2, void **ptr, blocknum_t bnum)
{
return bcache_get_block(ext2->cache, ptr, bnum);
}