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block/vdi: Clean up local variable shadowing

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Local variables shadowing other local variables or parameters make the
code needlessly hard to understand.  Tracked down with -Wshadow=local.
Clean up: delete inner declarations when they are actually redundant,
else rename variables.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230921121312.1301864-6-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2023-09-21 14:13:10 +02:00
parent 6a0f7ff7dd
commit d25b99c72b
1 changed files with 3 additions and 4 deletions
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7
block/vdi.c
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@ -634,7 +634,6 @@ vdi_co_pwritev(BlockDriverState *bs, int64_t offset, int64_t bytes,
bmap_entry = le32_to_cpu(s->bmap[block_index]);
if (!VDI_IS_ALLOCATED(bmap_entry)) {
/* Allocate new block and write to it. */
uint64_t data_offset;
qemu_co_rwlock_upgrade(&s->bmap_lock);
bmap_entry = le32_to_cpu(s->bmap[block_index]);
if (VDI_IS_ALLOCATED(bmap_entry)) {
@ -700,7 +699,7 @@ nonallocating_write:
/* One or more new blocks were allocated. */
VdiHeader *header;
uint8_t *base;
uint64_t offset;
uint64_t bmap_offset;
uint32_t n_sectors;
g_free(block);
@ -723,11 +722,11 @@ nonallocating_write:
bmap_first /= (SECTOR_SIZE / sizeof(uint32_t));
bmap_last /= (SECTOR_SIZE / sizeof(uint32_t));
n_sectors = bmap_last - bmap_first + 1;
offset = s->bmap_sector + bmap_first;
bmap_offset = s->bmap_sector + bmap_first;
base = ((uint8_t *)&s->bmap[0]) + bmap_first * SECTOR_SIZE;
logout("will write %u block map sectors starting from entry %u\n",
n_sectors, bmap_first);
ret = bdrv_co_pwrite(bs->file, offset * SECTOR_SIZE,
ret = bdrv_co_pwrite(bs->file, bmap_offset * SECTOR_SIZE,
n_sectors * SECTOR_SIZE, base, 0);
}