X-Git-Url: http://git.jankratochvil.net/?a=blobdiff_plain;f=src%2Flibcaptive%2Fcc%2Fsharedcachemap-priv.h;h=7a7cf07da3485264e983d372ccc062b66bf43f60;hb=a2dd38f86df22c46ae18f3ad7d9850eaacb02b92;hp=f2179a5127569bd8470ed5c3a89462bcb0e5d6ff;hpb=a6ee04687f6a9ddc2b1a4ab6ac9ec98838cae067;p=captive.git

diff --git a/src/libcaptive/cc/sharedcachemap-priv.h b/src/libcaptive/cc/sharedcachemap-priv.h
index f2179a5..7a7cf07 100644
--- a/src/libcaptive/cc/sharedcachemap-priv.h
+++ b/src/libcaptive/cc/sharedcachemap-priv.h
@@ -42,7 +42,7 @@ struct _CaptiveSharedCacheMapObject {
 
 	gint w32_ref_count;
 	FILE_OBJECT *FileObject;
-	SECTION_OBJECT_POINTERS *SectionObjectPointers;
+	SECTION_OBJECT_POINTERS *SectionObjectPointer;
 	/* ValidDataLength<=FileSize<=AllocationSize */
 	/* 'AllocationSize' sets the mmap(2)ed area of buffers of this SharedCacheMap.
 	 * We must reallocate this area if 'AllocationSize' changes and in such case
@@ -54,11 +54,19 @@ struct _CaptiveSharedCacheMapObject {
 	 * as the offsets are usually PAGE_SIZE aligned due to pin-Bcb expectations.
 	 */
 	guint64 FileSize;	/* ==CC_FILE_SIZES.FileSize.QuadPart */
-	/* We use 'FileSize' instead of 'ValidDataLength' as I assume W32
+	/* We use do not use 'ValidDataLength' as I assume W32
 	 * automatically increases 'ValidDataLength' during Cache Manager write operations.
 	 * We do not increase it and therefore it is mostly useless for us.
+	 * In some cases (during NTFS mount) there may be also invalid 'ValidDataLength' at all:
+	 * 	CcSetFileSizes(AllocationSize=0x1000000,FileSize=0xf80208,ValidDataLength=0x23b801a0)
 	 */
 	guint64 ValidDataLength;	/* ==CC_FILE_SIZES.ValidDataLength.QuadPart */
+	/* The real allocation size of 'buffer' and 'pages'.
+	 * Maintained by captive_shared_cache_map_object_FileSizes_changed()
+	 * to prevent continous reallocation to (n+1) size.
+	 * We use (n*2) sizes for logaritmic time complexity.
+	 */
+	guint64 alloc_length;
 	CACHE_MANAGER_CALLBACKS CallBacks;
 	VOID *LazyWriterContext;
 	gboolean PinAccess;