From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52590) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b0rjn-0006PB-Ij for qemu-devel@nongnu.org; Thu, 12 May 2016 10:37:21 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b0rjl-0004KT-3f for qemu-devel@nongnu.org; Thu, 12 May 2016 10:37:14 -0400 From: Kevin Wolf Date: Thu, 12 May 2016 16:35:33 +0200 Message-Id: <1463063749-2201-54-git-send-email-kwolf@redhat.com> In-Reply-To: <1463063749-2201-1-git-send-email-kwolf@redhat.com> References: <1463063749-2201-1-git-send-email-kwolf@redhat.com> Subject: [Qemu-devel] [PULL 53/69] block: Drop superfluous invalidating bs->file from drivers List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org Cc: kwolf@redhat.com, qemu-devel@nongnu.org From: Fam Zheng Now they are invalidated by the block layer, so it's not necessary to do this in block drivers' implementations of .bdrv_invalidate_cache. Signed-off-by: Fam Zheng Reviewed-by: Alberto Garcia Signed-off-by: Kevin Wolf --- block/qcow2.c | 7 ------- block/qed.c | 6 ------ block/quorum.c | 16 ---------------- 3 files changed, 29 deletions(-) diff --git a/block/qcow2.c b/block/qcow2.c index 555627a..62febfc 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -1757,13 +1757,6 @@ static void qcow2_invalidate_cache(BlockDriverState *bs, Error **errp) qcow2_close(bs); - bdrv_invalidate_cache(bs->file->bs, &local_err); - if (local_err) { - error_propagate(errp, local_err); - bs->drv = NULL; - return; - } - memset(s, 0, sizeof(BDRVQcow2State)); options = qdict_clone_shallow(bs->options); diff --git a/block/qed.c b/block/qed.c index 6cfd4c1..10ce18e 100644 --- a/block/qed.c +++ b/block/qed.c @@ -1594,12 +1594,6 @@ static void bdrv_qed_invalidate_cache(BlockDriverState *bs, Error **errp) bdrv_qed_close(bs); - bdrv_invalidate_cache(bs->file->bs, &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - memset(s, 0, sizeof(BDRVQEDState)); ret = bdrv_qed_open(bs, NULL, bs->open_flags, &local_err); if (local_err) { diff --git a/block/quorum.c b/block/quorum.c index da15465..8f7c099 100644 --- a/block/quorum.c +++ b/block/quorum.c @@ -747,21 +747,6 @@ static int64_t quorum_getlength(BlockDriverState *bs) return result; } -static void quorum_invalidate_cache(BlockDriverState *bs, Error **errp) -{ - BDRVQuorumState *s = bs->opaque; - Error *local_err = NULL; - int i; - - for (i = 0; i < s->num_children; i++) { - bdrv_invalidate_cache(s->children[i]->bs, &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - } -} - static coroutine_fn int quorum_co_flush(BlockDriverState *bs) { BDRVQuorumState *s = bs->opaque; @@ -1070,7 +1055,6 @@ static BlockDriver bdrv_quorum = { .bdrv_aio_readv = quorum_aio_readv, .bdrv_aio_writev = quorum_aio_writev, - .bdrv_invalidate_cache = quorum_invalidate_cache, .bdrv_detach_aio_context = quorum_detach_aio_context, .bdrv_attach_aio_context = quorum_attach_aio_context, -- 1.8.3.1