X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=src%2Finode_table.c;h=86e3155fdc82f995a2b2a1d034449e270cdae7f3;hb=ab63d9f11eae3b930f0f75fe0edb6b6df1cdb280;hp=6e1c143b3c33336d4767627b98aff8893b717fba;hpb=7251c7d0afac3b738dda1c4f45e6d3d3090f2622;p=wimlib diff --git a/src/inode_table.c b/src/inode_table.c index 6e1c143b..86e3155f 100644 --- a/src/inode_table.c +++ b/src/inode_table.c @@ -39,7 +39,7 @@ init_inode_table(struct wim_inode_table *table, size_t capacity) return WIMLIB_ERR_NOMEM; table->num_entries = 0; table->capacity = capacity; - INIT_LIST_HEAD(&table->extra_inodes); + INIT_HLIST_HEAD(&table->extra_inodes); return 0; } @@ -50,35 +50,6 @@ destroy_inode_table(struct wim_inode_table *table) FREE(table->array); } -static struct wim_inode * -inode_table_get_inode(struct wim_inode_table *table, u64 ino, u64 devno) -{ - size_t pos; - struct wim_inode *inode; - struct hlist_node *cur; - - /* Search for an existing inode having the same inode number and device - * number. */ - pos = hash_u64(hash_u64(ino) + hash_u64(devno)) % table->capacity; - hlist_for_each_entry(inode, cur, &table->array[pos], i_hlist) { - if (inode->i_ino == ino && inode->i_devno == devno) { - /* Found; use the existing inode. */ - inode->i_nlink++; - return inode; - } - } - - /* Create a new inode and insert it into the table. */ - inode = new_timeless_inode(); - if (inode) { - inode->i_ino = ino; - inode->i_devno = devno; - hlist_add_head(&inode->i_hlist, &table->array[pos]); - table->num_entries++; - } - return inode; -} - /* * Allocate a new dentry, with hard link detection. * @@ -125,28 +96,33 @@ inode_table_new_dentry(struct wim_inode_table *table, const tchar *name, if (noshare) { /* File that cannot be hardlinked--- Return a new inode with its * inode and device numbers left at 0. */ - ret = new_dentry_with_timeless_inode(name, &dentry); + ret = new_dentry_with_new_inode(name, false, &dentry); if (ret) return ret; - list_add_tail(&dentry->d_inode->i_list, &table->extra_inodes); + hlist_add_head(&dentry->d_inode->i_hlist, &table->extra_inodes); } else { + size_t pos; + /* File that can be hardlinked--- search the table for an - * existing inode matching the inode number and device; - * otherwise create a new inode. */ - ret = new_dentry(name, &dentry); + * existing inode matching the inode number and device. */ + pos = hash_u64(hash_u64(ino) + hash_u64(devno)) % table->capacity; + hlist_for_each_entry(inode, &table->array[pos], i_hlist) { + if (inode->i_ino == ino && inode->i_devno == devno) { + /* Found; use the existing inode. */ + return new_dentry_with_existing_inode(name, inode, + dentry_ret); + } + } + + /* Not found; create a new inode and add it to the table. */ + ret = new_dentry_with_new_inode(name, false, &dentry); if (ret) return ret; - inode = inode_table_get_inode(table, ino, devno); - if (!inode) { - free_dentry(dentry); - return WIMLIB_ERR_NOMEM; - } - /* If using an existing inode, we need to gain a reference to - * each of its streams. */ - if (inode->i_nlink > 1) - inode_ref_streams(inode); - dentry->d_inode = inode; - inode_add_dentry(dentry, inode); + inode = dentry->d_inode; + inode->i_ino = ino; + inode->i_devno = devno; + hlist_add_head(&inode->i_hlist, &table->array[pos]); + table->num_entries++; } *dentry_ret = dentry; return 0; @@ -160,33 +136,31 @@ inode_table_new_dentry(struct wim_inode_table *table, const tchar *name, */ void inode_table_prepare_inode_list(struct wim_inode_table *table, - struct list_head *head) + struct hlist_head *head) { - struct wim_inode *inode, *tmp_inode; - struct hlist_node *cur, *tmp; + struct wim_inode *inode; + struct hlist_node *tmp; u64 cur_ino = 1; /* Re-assign inode numbers in the existing list to avoid duplicates. */ - list_for_each_entry(inode, head, i_list) + hlist_for_each_entry(inode, head, i_hlist) inode->i_ino = cur_ino++; /* Assign inode numbers to the new inodes and move them to the image's * inode list. */ for (size_t i = 0; i < table->capacity; i++) { - hlist_for_each_entry_safe(inode, cur, tmp, &table->array[i], i_hlist) - { + hlist_for_each_entry_safe(inode, tmp, &table->array[i], i_hlist) { inode->i_ino = cur_ino++; inode->i_devno = 0; - list_add_tail(&inode->i_list, head); + hlist_add_head(&inode->i_hlist, head); } INIT_HLIST_HEAD(&table->array[i]); } - list_for_each_entry_safe(inode, tmp_inode, &table->extra_inodes, i_list) - { + hlist_for_each_entry_safe(inode, tmp, &table->extra_inodes, i_hlist) { inode->i_ino = cur_ino++; inode->i_devno = 0; - list_add_tail(&inode->i_list, head); + hlist_add_head(&inode->i_hlist, head); } - INIT_LIST_HEAD(&table->extra_inodes); + INIT_HLIST_HEAD(&table->extra_inodes); table->num_entries = 0; }