winnt_openat(): Use FILE_SHARE_VALID_FLAGS

[wimlib] / src / mount_image.c

diff --git a/src/mount_image.c b/src/mount_image.c
index a7dc82a17effae690f2da278dd51dc71f3d3198d..1578353fe9ea21c560568b2e146dda78861b8767 100644 (file)
--- a/src/mount_image.c
+++ b/src/mount_image.c
@@ -370,32 +370,21 @@ wim_pathname_to_inode(WIMStruct *wim, const tchar *path)
                return NULL;
 }
 
-/* Remove a dentry from a mounted WIM image; i.e. remove an alias for the
- * corresponding inode.
- *
- * If there are no remaining references to the inode either through dentries or
- * open file descriptors, the inode is freed.  Otherwise, the inode is not
- * removed, but the dentry is unlinked and freed.
- *
- * Either way, all lookup table entries referenced by the inode have their
- * reference count decremented.  If a lookup table entry has no open file
- * descriptors and no references remaining, it is freed, and the corresponding
- * staging file is unlinked.
+/*
+ * Remove a dentry from a mounted WIM image; i.e. remove an alias for an inode.
  */
 static void
 remove_dentry(struct wim_dentry *dentry,
              struct wim_lookup_table *lookup_table)
 {
-       struct wim_inode *inode = dentry->d_inode;
-       struct wim_lookup_table_entry *lte;
-       unsigned i;
+       /* Put a reference to each stream the inode contains.  */
+       inode_unref_streams(dentry->d_inode, lookup_table);
 
-       for (i = 0; i <= inode->i_num_ads; i++) {
-               lte = inode_stream_lte(inode, i, lookup_table);
-               if (lte)
-                       lte_decrement_refcnt(lte, lookup_table);
-       }
+       /* Unlink the dentry from the image's dentry tree.  */
        unlink_dentry(dentry);
+
+       /* Delete the dentry.  This will also decrement the link count of the
+        * corresponding inode.  */
        free_dentry(dentry);
 }
 
@@ -1193,9 +1182,11 @@ release_extra_refcnts(struct wimfs_context *ctx)
        struct wim_lookup_table *lookup_table = ctx->wim->lookup_table;
        struct wim_lookup_table_entry *lte, *tmp;
 
-       list_for_each_entry_safe(lte, tmp, list, orig_stream_list)
-               while (lte->out_refcnt--)
+       list_for_each_entry_safe(lte, tmp, list, orig_stream_list) {
+               u32 n = lte->out_refcnt;
+               while (n--)
                        lte_decrement_refcnt(lte, lookup_table);
+       }
 }
 
 /* Moves the currently selected image, which may have been modified, to a new
@@ -2161,7 +2152,7 @@ static int
 wimfs_rename(const char *from, const char *to)
 {
        return rename_wim_path(wimfs_get_WIMStruct(), from, to,
-                              WIMLIB_CASE_SENSITIVE);
+                              WIMLIB_CASE_SENSITIVE, NULL);
 }
 
 /* Remove a directory */