From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56786) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g8Zi3-0002rc-1s for qemu-devel@nongnu.org; Fri, 05 Oct 2018 19:40:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1g8Zi2-0007qx-6h for qemu-devel@nongnu.org; Fri, 05 Oct 2018 19:40:38 -0400 From: Max Reitz Date: Sat, 6 Oct 2018 01:39:54 +0200 Message-Id: <20181005234023.8104-3-mreitz@redhat.com> In-Reply-To: <20181005234023.8104-1-mreitz@redhat.com> References: <20181005234023.8104-1-mreitz@redhat.com> Subject: [Qemu-devel] [PATCH v11 02/31] block: Use children list in bdrv_refresh_filename List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org Cc: qemu-devel@nongnu.org, Max Reitz , Kevin Wolf , Alberto Garcia bdrv_refresh_filename() should invoke itself recursively on all children, not just on file. With that change, we can remove the manual invocations in blkverify, quorum, commit, mirror, and blklogwrites. Signed-off-by: Max Reitz Reviewed-by: Eric Blake Reviewed-by: Alberto Garcia --- block.c | 9 +++++---- block/blklogwrites.c | 3 --- block/blkverify.c | 3 --- block/commit.c | 1 - block/mirror.c | 1 - block/quorum.c | 1 - 6 files changed, 5 insertions(+), 13 deletions(-) diff --git a/block.c b/block.c index 8a7bc9308a..fd5e18081a 100644 --- a/block.c +++ b/block.c @@ -5224,16 +5224,17 @@ static bool append_open_options(QDict *d, BlockDriverState *bs) void bdrv_refresh_filename(BlockDriverState *bs) { BlockDriver *drv = bs->drv; + BdrvChild *child; QDict *opts; if (!drv) { return; } - /* This BDS's file name will most probably depend on its file's name, so - * refresh that first */ - if (bs->file) { - bdrv_refresh_filename(bs->file->bs); + /* This BDS's file name may depend on any of its children's file names, so + * refresh those first */ + QLIST_FOREACH(child, &bs->children, next) { + bdrv_refresh_filename(child->bs); } if (drv->bdrv_refresh_filename) { diff --git a/block/blklogwrites.c b/block/blklogwrites.c index ff98cd5533..8f1b589d54 100644 --- a/block/blklogwrites.c +++ b/block/blklogwrites.c @@ -285,9 +285,6 @@ static void blk_log_writes_refresh_filename(BlockDriverState *bs, { BDRVBlkLogWritesState *s = bs->opaque; - /* bs->file->bs has already been refreshed */ - bdrv_refresh_filename(s->log_file->bs); - if (bs->file->bs->full_open_options && s->log_file->bs->full_open_options) { diff --git a/block/blkverify.c b/block/blkverify.c index 89bf4386e3..035d77b64a 100644 --- a/block/blkverify.c +++ b/block/blkverify.c @@ -285,9 +285,6 @@ static void blkverify_refresh_filename(BlockDriverState *bs, QDict *options) { BDRVBlkverifyState *s = bs->opaque; - /* bs->file->bs has already been refreshed */ - bdrv_refresh_filename(s->test_file->bs); - if (bs->file->bs->full_open_options && s->test_file->bs->full_open_options) { diff --git a/block/commit.c b/block/commit.c index a2da5740b0..dec1e89916 100644 --- a/block/commit.c +++ b/block/commit.c @@ -232,7 +232,6 @@ static int coroutine_fn bdrv_commit_top_preadv(BlockDriverState *bs, static void bdrv_commit_top_refresh_filename(BlockDriverState *bs, QDict *opts) { - bdrv_refresh_filename(bs->backing->bs); pstrcpy(bs->exact_filename, sizeof(bs->exact_filename), bs->backing->bs->filename); } diff --git a/block/mirror.c b/block/mirror.c index 56d9ef7474..9c9bea276d 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -1438,7 +1438,6 @@ static void bdrv_mirror_top_refresh_filename(BlockDriverState *bs, QDict *opts) * bdrv_set_backing_hd */ return; } - bdrv_refresh_filename(bs->backing->bs); pstrcpy(bs->exact_filename, sizeof(bs->exact_filename), bs->backing->bs->filename); } diff --git a/block/quorum.c b/block/quorum.c index eb526cc0f1..b14e9c6ec6 100644 --- a/block/quorum.c +++ b/block/quorum.c @@ -1080,7 +1080,6 @@ static void quorum_refresh_filename(BlockDriverState *bs, QDict *options) int i; for (i = 0; i < s->num_children; i++) { - bdrv_refresh_filename(s->children[i]->bs); if (!s->children[i]->bs->full_open_options) { return; } -- 2.17.1