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[Qemu-devel] [PATCH v2 09/37] block/quorum: Implement bdrv_is_inserted()
From: |
Max Reitz |
Subject: |
[Qemu-devel] [PATCH v2 09/37] block/quorum: Implement bdrv_is_inserted() |
Date: |
Mon, 9 Feb 2015 12:11:09 -0500 |
bdrv_is_inserted() should be invoked recursively on the children of
quorum.
Signed-off-by: Max Reitz <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
---
block/quorum.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/block/quorum.c b/block/quorum.c
index 437b122..7a75cea 100644
--- a/block/quorum.c
+++ b/block/quorum.c
@@ -1064,6 +1064,20 @@ static void quorum_refresh_filename(BlockDriverState *bs)
bs->full_open_options = opts;
}
+static bool quorum_is_inserted(BlockDriverState *bs)
+{
+ BDRVQuorumState *s = bs->opaque;
+ int i;
+
+ for (i = 0; i < s->num_children; i++) {
+ if (!bdrv_is_inserted(s->bs[i])) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
static BlockDriver bdrv_quorum = {
.format_name = "quorum",
.protocol_name = "quorum",
@@ -1087,6 +1101,8 @@ static BlockDriver bdrv_quorum = {
.is_filter = true,
.bdrv_recurse_is_first_non_filter = quorum_recurse_is_first_non_filter,
+
+ .bdrv_is_inserted = quorum_is_inserted,
};
static void bdrv_quorum_init(void)
--
2.1.0
- [Qemu-devel] [PATCH v2 05/37] block: Fix BB AIOCB AioContext without BDS, (continued)
- [Qemu-devel] [PATCH v2 05/37] block: Fix BB AIOCB AioContext without BDS, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v2 01/37] blockdev: Allow creation of BDS trees without BB, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v2 03/37] hw/block/fdc: Implement tray status, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v2 02/37] iotests: Only create BB if necessary, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v2 08/37] block: Make bdrv_is_inserted() recursive, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v2 10/37] block: Move guest_block_size into BlockBackend, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v2 09/37] block/quorum: Implement bdrv_is_inserted(),
Max Reitz <=
- [Qemu-devel] [PATCH v2 11/37] block: Remove wr_highest_sector from BlockAcctStats, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v2 17/37] block: Prepare remaining BB functions for NULL BDS, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v2 14/37] block: Add BlockBackendRootState, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v2 18/37] blockdev: Use BB for blockdev-backup transaction, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v2 16/37] block: Fail requests to empty BlockBackend, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v2 13/37] block: Move I/O status and error actions into BB, Max Reitz, 2015/02/09
- [Qemu-devel] [PATCH v2 15/37] block: Make some BB functions fall back to BBRS, Max Reitz, 2015/02/09