From f6de853fa3d76b4b92032dc6cdc06bedacbf9466 Mon Sep 17 00:00:00 2001 From: Max Reitz Date: Wed, 13 May 2020 13:05:42 +0200 Subject: [PATCH] block: Drop child_file Signed-off-by: Max Reitz Message-Id: <20200513110544.176672-33-mreitz@redhat.com> Reviewed-by: Eric Blake Signed-off-by: Kevin Wolf --- block.c | 39 ++------------------------------------- include/block/block_int.h | 1 - tests/test-bdrv-drain.c | 8 +++----- 3 files changed, 5 insertions(+), 43 deletions(-) diff --git a/block.c b/block.c index e79fe6e07e..6a24b23d51 100644 --- a/block.c +++ b/block.c @@ -80,13 +80,6 @@ static BlockDriverState *bdrv_open_inherit(const char *filename, BdrvChildRole child_role, Error **errp); -/* TODO: Remove when no longer needed */ -static void bdrv_inherited_options(BdrvChildRole role, bool parent_is_format, - int *child_flags, QDict *child_options, - int parent_flags, QDict *parent_options); -static void bdrv_child_cb_attach(BdrvChild *child); -static void bdrv_child_cb_detach(BdrvChild *child); - /* If non-zero, use only whitelisted block drivers */ static int use_bdrv_whitelist; @@ -1145,33 +1138,6 @@ static void bdrv_temp_snapshot_options(int *child_flags, QDict *child_options, *child_flags &= ~BDRV_O_NATIVE_AIO; } -/* - * Returns the options and flags that bs->file should get if a protocol driver - * is expected, based on the given options and flags for the parent BDS - */ -static void bdrv_protocol_options(BdrvChildRole role, bool parent_is_format, - int *child_flags, QDict *child_options, - int parent_flags, QDict *parent_options) -{ - bdrv_inherited_options(BDRV_CHILD_IMAGE, true, - child_flags, child_options, - parent_flags, parent_options); -} - -const BdrvChildClass child_file = { - .parent_is_bds = true, - .get_parent_desc = bdrv_child_get_parent_desc, - .inherit_options = bdrv_protocol_options, - .drained_begin = bdrv_child_cb_drained_begin, - .drained_poll = bdrv_child_cb_drained_poll, - .drained_end = bdrv_child_cb_drained_end, - .attach = bdrv_child_cb_attach, - .detach = bdrv_child_cb_detach, - .inactivate = bdrv_child_cb_inactivate, - .can_set_aio_ctx = bdrv_child_cb_can_set_aio_ctx, - .set_aio_ctx = bdrv_child_cb_set_aio_ctx, -}; - static void bdrv_backing_attach(BdrvChild *c) { BlockDriverState *parent = c->opaque; @@ -2444,9 +2410,8 @@ static void bdrv_default_perms_for_storage(BlockDriverState *bs, BdrvChild *c, { int flags; - assert(child_class == &child_file || - (child_class == &child_of_bds && - (role & (BDRV_CHILD_METADATA | BDRV_CHILD_DATA)))); + assert(child_class == &child_of_bds && + (role & (BDRV_CHILD_METADATA | BDRV_CHILD_DATA))); flags = bdrv_reopen_get_flags(reopen_queue, bs); diff --git a/include/block/block_int.h b/include/block/block_int.h index e791c40496..7fbe3206b4 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -741,7 +741,6 @@ struct BdrvChildClass { }; extern const BdrvChildClass child_of_bds; -extern const BdrvChildClass child_file; struct BdrvChild { BlockDriverState *bs; diff --git a/tests/test-bdrv-drain.c b/tests/test-bdrv-drain.c index 0da5a3a6a1..655fd0d085 100644 --- a/tests/test-bdrv-drain.c +++ b/tests/test-bdrv-drain.c @@ -93,12 +93,10 @@ static void bdrv_test_child_perm(BlockDriverState *bs, BdrvChild *c, uint64_t *nperm, uint64_t *nshared) { /* - * bdrv_default_perms() accepts only these two, so disguise - * detach_by_driver_cb_parent as one of them. + * bdrv_default_perms() accepts nothing else, so disguise + * detach_by_driver_cb_parent. */ - if (child_class != &child_file && child_class != &child_of_bds) { - child_class = &child_of_bds; - } + child_class = &child_of_bds; bdrv_default_perms(bs, c, child_class, role, reopen_queue, perm, shared, nperm, nshared);