aboutsummaryrefslogtreecommitdiff
path: root/block/qcow2-refcount.c
diff options
context:
space:
mode:
authorBlue Swirl <blauwirbel@gmail.com>2011-01-29 08:19:15 +0000
committerKevin Wolf <kwolf@redhat.com>2011-01-31 10:05:34 +0100
commit1869a65385e9d81f490b4203dd070cc49b7749c9 (patch)
treef5d9fa7cce72fc894a16a7c2f323c33f1b8f67a1 /block/qcow2-refcount.c
parent31e1ea3ee7d05ab1aa134fe07a8f33b42417641f (diff)
qcow2-refcount: remove write-only variables
Variables l2_modified and l2_size are not really used, remove them. Spotted by GCC 4.6.0: CC block/qcow2-refcount.o /src/qemu/block/qcow2-refcount.c: In function 'qcow2_update_snapshot_refcount': /src/qemu/block/qcow2-refcount.c:708:37: error: variable 'l2_modified' set but not used [-Werror=unused-but-set-variable] /src/qemu/block/qcow2-refcount.c:708:9: error: variable 'l2_size' set but not used [-Werror=unused-but-set-variable] CC: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/qcow2-refcount.c')
-rw-r--r--block/qcow2-refcount.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c
index e37e2268af..915d85acbf 100644
--- a/block/qcow2-refcount.c
+++ b/block/qcow2-refcount.c
@@ -705,7 +705,7 @@ int qcow2_update_snapshot_refcount(BlockDriverState *bs,
BDRVQcowState *s = bs->opaque;
uint64_t *l1_table, *l2_table, l2_offset, offset, l1_size2, l1_allocated;
int64_t old_offset, old_l2_offset;
- int l2_size, i, j, l1_modified, l2_modified, nb_csectors, refcount;
+ int i, j, l1_modified, nb_csectors, refcount;
int ret;
l2_table = NULL;
@@ -729,14 +729,12 @@ int qcow2_update_snapshot_refcount(BlockDriverState *bs,
l1_allocated = 0;
}
- l2_size = s->l2_size * sizeof(uint64_t);
l1_modified = 0;
for(i = 0; i < l1_size; i++) {
l2_offset = l1_table[i];
if (l2_offset) {
old_l2_offset = l2_offset;
l2_offset &= ~QCOW_OFLAG_COPIED;
- l2_modified = 0;
ret = qcow2_cache_get(bs, s->l2_table_cache, l2_offset,
(void**) &l2_table);
@@ -788,7 +786,6 @@ int qcow2_update_snapshot_refcount(BlockDriverState *bs,
s->refcount_block_cache);
}
l2_table[j] = cpu_to_be64(offset);
- l2_modified = 1;
qcow2_cache_entry_mark_dirty(s->l2_table_cache, l2_table);
}
}