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block-vpc: Fix support for images > 4 GB (Kevin Wolf)

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This patch fixes the truncation of sector offsets to 32 bits.

Signed-off-by: Kevin Wolf <kwolf@suse.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6464 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aliguori 2009-01-27 14:29:15 +00:00
parent 5281966437
commit 378e2aea1b
1 changed files with 1 additions and 1 deletions
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2
block-vpc.c
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@ -256,7 +256,7 @@ static inline int64_t get_sector_offset(BlockDriverState *bs,
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