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Code Issues Releases Wiki Activity

vfs_alloc_dentry (#54)

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* vfs_alloc_dentry

* vfs_alloc_dentry

* 修正dentry被错误清空的问题

Co-authored-by: fslongjin <longjin@RinGoTek.cn>
This commit is contained in:
DaJiYuQia
2022-10-07 20:06:40 +08:00
committed by GitHub
parent e62bbf13e5
commit 1b0c901ab2
3 changed files with 6 additions and 16 deletions
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7
kernel/filesystem/fat32/fat32.c
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@ -369,16 +369,11 @@ struct vfs_superblock_t *fat32_read_superblock(struct block_device *blk)
printk_color(BLUE, BLACK, "FAT32 FSInfo\n\tFSI_LeadSig:%#018lx\n\tFSI_StrucSig:%#018lx\n\tFSI_Free_Count:%#018lx\n", fsbi->fsinfo.FSI_LeadSig, fsbi->fsinfo.FSI_StrucSig, fsbi->fsinfo.FSI_Free_Count);
// 初始化超级块的dir entry
sb_ptr->root = (struct vfs_dir_entry_t *)kmalloc(sizeof(struct vfs_dir_entry_t), 0);
memset(sb_ptr->root, 0, sizeof(struct vfs_dir_entry_t));
list_init(&sb_ptr->root->child_node_list);
list_init(&sb_ptr->root->subdirs_list);
sb_ptr->root = vfs_alloc_dentry(2);
sb_ptr->root->parent = sb_ptr->root;
sb_ptr->root->dir_ops = &fat32_dEntry_ops;
// 分配2个字节的name
sb_ptr->root->name = (char *)(kmalloc(2, 0));
sb_ptr->root->name[0] = '/';
sb_ptr->root->name_length = 1;