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[Qemu-devel] [6464] block-vpc: Fix support for images > 4 GB (Kevin Wolf
From: |
Anthony Liguori |
Subject: |
[Qemu-devel] [6464] block-vpc: Fix support for images > 4 GB (Kevin Wolf) |
Date: |
Tue, 27 Jan 2009 14:29:16 +0000 |
Revision: 6464
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6464
Author: aliguori
Date: 2009-01-27 14:29:15 +0000 (Tue, 27 Jan 2009)
Log Message:
-----------
block-vpc: Fix support for images > 4 GB (Kevin Wolf)
This patch fixes the truncation of sector offsets to 32 bits.
Signed-off-by: Kevin Wolf <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>
Modified Paths:
--------------
trunk/block-vpc.c
Modified: trunk/block-vpc.c
===================================================================
--- trunk/block-vpc.c 2009-01-26 22:21:30 UTC (rev 6463)
+++ trunk/block-vpc.c 2009-01-27 14:29:15 UTC (rev 6464)
@@ -256,7 +256,7 @@
if (pagetable_index >= s->max_table_entries ||
s->pagetable[pagetable_index] == 0xffffffff)
return -1; // not allocated
- bitmap_offset = 512 * s->pagetable[pagetable_index];
+ bitmap_offset = 512 * (uint64_t) s->pagetable[pagetable_index];
block_offset = bitmap_offset + s->bitmap_size + (512 * pageentry_index);
// We must ensure that we don't write to any sectors which are marked as
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