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block: drop empty .bdrv_close handlers 

.bdrv_close handler is optional after previous commit, no needs to keep
empty functions more.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2018-08-14 15:43:20 +03:00 committed by Kevin Wolf
parent 3c005293c2
commit f66b1f0e27
6 changed files with 0 additions and 32 deletions
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5
block/blkreplay.c
View File

@ -43,10 +43,6 @@ fail:
return ret;
}
static void blkreplay_close(BlockDriverState *bs)
{
}
static int64_t blkreplay_getlength(BlockDriverState *bs)
{
return bdrv_getlength(bs->file->bs);
@ -135,7 +131,6 @@ static BlockDriver bdrv_blkreplay = {
.instance_size = 0,
.bdrv_open = blkreplay_open,
.bdrv_close = blkreplay_close,
.bdrv_child_perm = bdrv_filter_default_perms,
.bdrv_getlength = blkreplay_getlength,

5
block/commit.c
View File

@ -239,10 +239,6 @@ static void bdrv_commit_top_refresh_filename(BlockDriverState *bs, QDict *opts)
bs->backing->bs->filename);
}
static void bdrv_commit_top_close(BlockDriverState *bs)
{
}
static void bdrv_commit_top_child_perm(BlockDriverState *bs, BdrvChild *c,
const BdrvChildRole *role,
BlockReopenQueue *reopen_queue,
@ -260,7 +256,6 @@ static BlockDriver bdrv_commit_top = {
.bdrv_co_preadv = bdrv_commit_top_preadv,
.bdrv_co_block_status = bdrv_co_block_status_from_backing,
.bdrv_refresh_filename = bdrv_commit_top_refresh_filename,
.bdrv_close = bdrv_commit_top_close,
.bdrv_child_perm = bdrv_commit_top_child_perm,
};

6
block/copy-on-read.c
View File

@ -45,11 +45,6 @@ static int cor_open(BlockDriverState *bs, QDict *options, int flags,
}
static void cor_close(BlockDriverState *bs)
{
}
#define PERM_PASSTHROUGH (BLK_PERM_CONSISTENT_READ \
| BLK_PERM_WRITE \
| BLK_PERM_RESIZE)
@ -143,7 +138,6 @@ BlockDriver bdrv_copy_on_read = {
.format_name = "copy-on-read",
.bdrv_open = cor_open,
.bdrv_close = cor_close,
.bdrv_child_perm = cor_child_perm,
.bdrv_getlength = cor_getlength,

5
block/mirror.c
View File

@ -1426,10 +1426,6 @@ static void bdrv_mirror_top_refresh_filename(BlockDriverState *bs, QDict *opts)
bs->backing->bs->filename);
}
static void bdrv_mirror_top_close(BlockDriverState *bs)
{
}
static void bdrv_mirror_top_child_perm(BlockDriverState *bs, BdrvChild *c,
const BdrvChildRole *role,
BlockReopenQueue *reopen_queue,
@ -1456,7 +1452,6 @@ static BlockDriver bdrv_mirror_top = {
.bdrv_co_flush = bdrv_mirror_top_flush,
.bdrv_co_block_status = bdrv_co_block_status_from_backing,
.bdrv_refresh_filename = bdrv_mirror_top_refresh_filename,
.bdrv_close = bdrv_mirror_top_close,
.bdrv_child_perm = bdrv_mirror_top_child_perm,
};

6
block/null.c
View File

@ -97,10 +97,6 @@ static int null_file_open(BlockDriverState *bs, QDict *options, int flags,
return ret;
}
static void null_close(BlockDriverState *bs)
{
}
static int64_t null_getlength(BlockDriverState *bs)
{
BDRVNullState *s = bs->opaque;
@ -263,7 +259,6 @@ static BlockDriver bdrv_null_co = {
.bdrv_file_open = null_file_open,
.bdrv_parse_filename = null_co_parse_filename,
.bdrv_close = null_close,
.bdrv_getlength = null_getlength,
.bdrv_co_preadv = null_co_preadv,
@ -283,7 +278,6 @@ static BlockDriver bdrv_null_aio = {
.bdrv_file_open = null_file_open,
.bdrv_parse_filename = null_aio_parse_filename,
.bdrv_close = null_close,
.bdrv_getlength = null_getlength,
.bdrv_aio_preadv = null_aio_preadv,

5
block/raw-format.c
View File

@ -459,10 +459,6 @@ static int raw_open(BlockDriverState *bs, QDict *options, int flags,
return 0;
}
static void raw_close(BlockDriverState *bs)
{
}
static int raw_probe(const uint8_t *buf, int buf_size, const char *filename)
{
/* smallest possible positive score so that raw is used if and only if no
@ -543,7 +539,6 @@ BlockDriver bdrv_raw = {
.bdrv_reopen_commit = &raw_reopen_commit,
.bdrv_reopen_abort = &raw_reopen_abort,
.bdrv_open = &raw_open,
.bdrv_close = &raw_close,
.bdrv_child_perm = bdrv_filter_default_perms,
.bdrv_co_create_opts = &raw_co_create_opts,
.bdrv_co_preadv = &raw_co_preadv,