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g2px1 2025-06-20 21:22:33 +00:00
parent c6777ba8c8
commit dd2f60baea
1 changed files with 9 additions and 5 deletions
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14
libfs.c
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@ -33,6 +33,8 @@ MODULE_LICENSE("GPL");
MODULE_AUTHOR("you");
MODULE_DESCRIPTION("Custom FS with books/authors behavior");
static int custom_unlink(struct inode *dir, struct dentry *dentry);
static struct super_block *global_sb;
static struct inode *books_inode;
static const struct inode_operations fs_dir_iops;
@ -108,6 +110,7 @@ static struct inode *get_inode(struct super_block *sb, umode_t mode) {
inode->i_ino = get_next_ino();
inode->i_sb = sb;
inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode);
inode->i_mode = mode;
return inode;
}
@ -164,10 +167,10 @@ static struct dentry *books_lookup(struct inode *dir, struct dentry *dentry, uns
return NULL; // всегда возвращается NULL в lookup
}
static const struct inode_operations books_dir_iops = {
.lookup = books_lookup,
.create = books_create,
.unlink = custom_unlink,
};
static void remove_links_to_inode(struct inode *inode) {
@ -422,12 +425,13 @@ static int fill_super(struct super_block *sb, void *data, int silent) {
return -ENOMEM;
books_inode->i_op = &books_dir_iops;
books_inode->i_fop = &simple_dir_operations;
books_inode->i_mode = S_IFDIR | 01777;
struct dentry *books = d_alloc_name(root_dentry, "books");
if (!books)
return -ENOMEM;
d_add(books, books_inode);
inc_nlink(root_inode); // ✅ важно!
inc_nlink(books_inode); // ✅ важно!
inc_nlink(root_inode);
inc_nlink(books_inode);
logf("fill_super: books directory instantiated");
// authors
@ -441,8 +445,8 @@ static int fill_super(struct super_block *sb, void *data, int silent) {
if (!authors)
return -ENOMEM;
d_add(authors, authors_inode);
inc_nlink(root_inode); // ✅ важно!
inc_nlink(authors_inode); // ✅ важно!
inc_nlink(root_inode);
inc_nlink(authors_inode);
logf("fill_super: authors directory instantiated");
logf("fill_super: books and authors created");