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qcow2: Correct comment for realloc_refcount_block()

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Contrary to the comment describing this function's behavior, it does not
return 0 on success, but rather the offset of the newly allocated
cluster. This patch adjusts the comment accordingly to reflect the
actual behavior.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Max Reitz 2014-03-17 23:04:51 +01:00 committed by Kevin Wolf
parent d208cc353a
commit 8a15b813e6
1 changed files with 1 additions and 1 deletions
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block/qcow2-refcount.c
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@ -1383,7 +1383,7 @@ static int write_reftable_entry(BlockDriverState *bs, int rt_index)
* does _not_ decrement the reference count for the currently occupied cluster.
*
* This function prints an informative message to stderr on error (and returns
* -errno); on success, 0 is returned.
* -errno); on success, the offset of the newly allocated cluster is returned.
*/
static int64_t realloc_refcount_block(BlockDriverState *bs, int reftable_index,
uint64_t offset)