Kernel: Ext2Inode::create_file actually sets the inode data

We used to just create inode without touching its memory.
This commit is contained in:
Bananymous 2023-07-13 10:20:56 +03:00
parent 891144dac1
commit 72041a52e8
1 changed files with 15 additions and 0 deletions

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@ -592,6 +592,21 @@ namespace Kernel
bgd.free_inodes_count--; bgd.free_inodes_count--;
write_block(bgd_location.block, bgd_buffer.span()); write_block(bgd_location.block, bgd_buffer.span());
uint32_t inode_table_byte_offset = inode_offset * superblock().inode_size;
BlockLocation inode_location
{
.block = bgd.inode_table + inode_table_byte_offset / block_size,
.offset = inode_table_byte_offset % block_size
};
ASSERT(block_size - inode_location.offset >= sizeof(ext2_inode));
// NOTE: we don't need bgd_buffer anymore, so we can reuse it to avoid allocations
auto& inode_buffer = bgd_buffer;
read_block(inode_location.block, inode_buffer.span());
memcpy(inode_buffer.data() + inode_location.offset, &ext2_inode, sizeof(ext2_inode));
write_block(inode_location.block, inode_buffer.span());
return group * superblock().inodes_per_group + inode_offset + 1; return group * superblock().inodes_per_group + inode_offset + 1;
} }
} }