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block: Pass BdrvChild to bdrv_truncate()

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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Kevin Wolf 2017-02-16 18:39:03 +01:00
parent becc347e1c
commit 52cdbc5869
12 changed files with 18 additions and 17 deletions
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3
block.c
View File

@ -2626,8 +2626,9 @@ exit:
/**
* Truncate file to 'offset' bytes (needed only for file protocols)
*/
int bdrv_truncate(BlockDriverState *bs, int64_t offset)
int bdrv_truncate(BdrvChild *child, int64_t offset)
{
BlockDriverState *bs = child->bs;
BlockDriver *drv = bs->drv;
int ret;
if (!drv)

2
block/blkdebug.c
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@ -663,7 +663,7 @@ static int64_t blkdebug_getlength(BlockDriverState *bs)
static int blkdebug_truncate(BlockDriverState *bs, int64_t offset)
{
return bdrv_truncate(bs->file->bs, offset);
return bdrv_truncate(bs->file, offset);
}
static void blkdebug_refresh_filename(BlockDriverState *bs, QDict *options)

2
block/block-backend.c
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@ -1605,7 +1605,7 @@ int blk_truncate(BlockBackend *blk, int64_t offset)
return -ENOMEDIUM;
}
return bdrv_truncate(blk_bs(blk), offset);
return bdrv_truncate(blk->root, offset);
}
static void blk_pdiscard_entry(void *opaque)

2
block/crypto.c
View File

@ -383,7 +383,7 @@ static int block_crypto_truncate(BlockDriverState *bs, int64_t offset)
offset += payload_offset;
return bdrv_truncate(bs->file->bs, offset);
return bdrv_truncate(bs->file, offset);
}
static void block_crypto_close(BlockDriverState *bs)

8
block/parallels.c
View File

@ -215,7 +215,7 @@ static int64_t allocate_clusters(BlockDriverState *bs, int64_t sector_num,
s->data_end << BDRV_SECTOR_BITS,
space << BDRV_SECTOR_BITS, 0);
} else {
ret = bdrv_truncate(bs->file->bs,
ret = bdrv_truncate(bs->file,
(s->data_end + space) << BDRV_SECTOR_BITS);
}
if (ret < 0) {
@ -449,7 +449,7 @@ static int parallels_check(BlockDriverState *bs, BdrvCheckResult *res,
size - res->image_end_offset);
res->leaks += count;
if (fix & BDRV_FIX_LEAKS) {
ret = bdrv_truncate(bs->file->bs, res->image_end_offset);
ret = bdrv_truncate(bs->file, res->image_end_offset);
if (ret < 0) {
res->check_errors++;
return ret;
@ -681,7 +681,7 @@ static int parallels_open(BlockDriverState *bs, QDict *options, int flags,
goto fail_options;
}
if (!bdrv_has_zero_init(bs->file->bs) ||
bdrv_truncate(bs->file->bs, bdrv_getlength(bs->file->bs)) != 0) {
bdrv_truncate(bs->file, bdrv_getlength(bs->file->bs)) != 0) {
s->prealloc_mode = PRL_PREALLOC_MODE_FALLOCATE;
}
@ -724,7 +724,7 @@ static void parallels_close(BlockDriverState *bs)
}
if (bs->open_flags & BDRV_O_RDWR) {
bdrv_truncate(bs->file->bs, s->data_end << BDRV_SECTOR_BITS);
bdrv_truncate(bs->file, s->data_end << BDRV_SECTOR_BITS);
}
g_free(s->bat_dirty_bmap);

4
block/qcow.c
View File

@ -467,7 +467,7 @@ static uint64_t get_cluster_offset(BlockDriverState *bs,
/* round to cluster size */
cluster_offset = (cluster_offset + s->cluster_size - 1) &
~(s->cluster_size - 1);
bdrv_truncate(bs->file->bs, cluster_offset + s->cluster_size);
bdrv_truncate(bs->file, cluster_offset + s->cluster_size);
/* if encrypted, we must initialize the cluster
content which won't be written */
if (bs->encrypted &&
@ -909,7 +909,7 @@ static int qcow_make_empty(BlockDriverState *bs)
if (bdrv_pwrite_sync(bs->file, s->l1_table_offset, s->l1_table,
l1_length) < 0)
return -1;
ret = bdrv_truncate(bs->file->bs, s->l1_table_offset + l1_length);
ret = bdrv_truncate(bs->file, s->l1_table_offset + l1_length);
if (ret < 0)
return ret;

2
block/qcow2-refcount.c
View File

@ -1734,7 +1734,7 @@ static int check_refblocks(BlockDriverState *bs, BdrvCheckResult *res,
goto resize_fail;
}
ret = bdrv_truncate(bs->file->bs, offset + s->cluster_size);
ret = bdrv_truncate(bs->file, offset + s->cluster_size);
if (ret < 0) {
goto resize_fail;
}

4
block/qcow2.c
View File

@ -2570,7 +2570,7 @@ qcow2_co_pwritev_compressed(BlockDriverState *bs, uint64_t offset,
/* align end of file to a sector boundary to ease reading with
sector based I/Os */
cluster_offset = bdrv_getlength(bs->file->bs);
return bdrv_truncate(bs->file->bs, cluster_offset);
return bdrv_truncate(bs->file, cluster_offset);
}
buf = qemu_blockalign(bs, s->cluster_size);
@ -2784,7 +2784,7 @@ static int make_completely_empty(BlockDriverState *bs)
goto fail;
}
ret = bdrv_truncate(bs->file->bs, (3 + l1_clusters) * s->cluster_size);
ret = bdrv_truncate(bs->file, (3 + l1_clusters) * s->cluster_size);
if (ret < 0) {
goto fail;
}

2
block/raw-format.c
View File

@ -341,7 +341,7 @@ static int raw_truncate(BlockDriverState *bs, int64_t offset)
s->size = offset;
offset += s->offset;
return bdrv_truncate(bs->file->bs, offset);
return bdrv_truncate(bs->file, offset);
}
static int raw_media_changed(BlockDriverState *bs)

2
block/vhdx-log.c
View File

@ -548,7 +548,7 @@ static int vhdx_log_flush(BlockDriverState *bs, BDRVVHDXState *s,
if (new_file_size % (1024*1024)) {
/* round up to nearest 1MB boundary */
new_file_size = ((new_file_size >> 20) + 1) << 20;
bdrv_truncate(bs->file->bs, new_file_size);
bdrv_truncate(bs->file, new_file_size);
}
}
qemu_vfree(desc_entries);

2
block/vhdx.c
View File

@ -1165,7 +1165,7 @@ static int vhdx_allocate_block(BlockDriverState *bs, BDRVVHDXState *s,
/* per the spec, the address for a block is in units of 1MB */
*new_offset = ROUND_UP(*new_offset, 1024 * 1024);
return bdrv_truncate(bs->file->bs, *new_offset + s->block_size);
return bdrv_truncate(bs->file, *new_offset + s->block_size);
}
/*

2
include/block/block.h
View File

@ -253,7 +253,7 @@ BlockDriverState *bdrv_find_backing_image(BlockDriverState *bs,
const char *backing_file);
int bdrv_get_backing_file_depth(BlockDriverState *bs);
void bdrv_refresh_filename(BlockDriverState *bs);
int bdrv_truncate(BlockDriverState *bs, int64_t offset);
int bdrv_truncate(BdrvChild *child, int64_t offset);
int64_t bdrv_nb_sectors(BlockDriverState *bs);
int64_t bdrv_getlength(BlockDriverState *bs);
int64_t bdrv_get_allocated_file_size(BlockDriverState *bs);