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[Qemu-devel] [PATCH v3 05/16] block: export dirty bitmap information in
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH v3 05/16] block: export dirty bitmap information in query-block |
Date: |
Thu, 18 Oct 2012 16:49:19 +0200 |
Signed-off-by: Paolo Bonzini <address@hidden>
---
v2->v3: unit of measure is now bytes
block.c | 7 +++++++
qapi-schema.json | 20 ++++++++++++++++++--
2 file modificati, 25 inserzioni(+), 2 rimozioni(-)
diff --git a/block.c b/block.c
index 057b2b2..b167f61 100644
--- a/block.c
+++ b/block.c
@@ -2835,6 +2835,13 @@ BlockInfo *bdrv_query_info(BlockDriverState *bs)
info->io_status = bs->iostatus;
}
+ if (bs->dirty_bitmap) {
+ info->has_dirty = true;
+ info->dirty = g_malloc0(sizeof(*info->dirty));
+ info->dirty->count = bdrv_get_dirty_count(bs) *
+ BDRV_SECTORS_PER_DIRTY_CHUNK * BDRV_SECTOR_SIZE;
+ }
+
if (bs->drv) {
info->has_inserted = true;
info->inserted = g_malloc0(sizeof(*info->inserted));
diff --git a/qapi-schema.json b/qapi-schema.json
index f9dbdae..2aac6b8 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -629,7 +629,7 @@
'*backing_file': 'str', 'backing_file_depth': 'int',
'encrypted': 'bool', 'encryption_key_missing': 'bool',
'bps': 'int', 'bps_rd': 'int', 'bps_wr': 'int',
- 'iops': 'int', 'iops_rd': 'int', 'iops_wr': 'int'} }
+ 'iops': 'int', 'iops_rd': 'int', 'iops_wr': 'int' } }
##
# @BlockDeviceIoStatus:
@@ -647,6 +647,18 @@
{ 'enum': 'BlockDeviceIoStatus', 'data': [ 'ok', 'failed', 'nospace' ] }
##
+# @BlockDirtyInfo:
+#
+# Block dirty bitmap information.
+#
+# @count: number of dirty bytes according to the dirty bitmap
+#
+# Since: 1.3
+##
+{ 'type': 'BlockDirtyInfo',
+ 'data': {'count': 'int'} }
+
+##
# @BlockInfo:
#
# Block device information. This structure describes a virtual device and
@@ -665,6 +677,9 @@
# @tray_open: #optional True if the device has a tray and it is open
# (only present if removable is true)
#
+# @dirty: #optional dirty bitmap information (only present if the dirty
+# bitmap is enabled)
+#
# @io-status: #optional @BlockDeviceIoStatus. Only present if the device
# supports it and the VM is configured to stop on errors
#
@@ -676,7 +691,8 @@
{ 'type': 'BlockInfo',
'data': {'device': 'str', 'type': 'str', 'removable': 'bool',
'locked': 'bool', '*inserted': 'BlockDeviceInfo',
- '*tray_open': 'bool', '*io-status': 'BlockDeviceIoStatus'} }
+ '*tray_open': 'bool', '*io-status': 'BlockDeviceIoStatus',
+ '*dirty': 'BlockDirtyInfo' } }
##
# @query-block:
--
1.7.12.1
- [Qemu-devel] [PULL for Kevin 00/16] Block job improvements part 2, Paolo Bonzini, 2012/10/18
- [Qemu-devel] [PATCH v3 01/16] block: add bdrv_query_info, Paolo Bonzini, 2012/10/18
- [Qemu-devel] [PATCH v3 02/16] block: add bdrv_query_stats, Paolo Bonzini, 2012/10/18
- [Qemu-devel] [PATCH v3 03/16] block: add bdrv_open_backing_file, Paolo Bonzini, 2012/10/18
- [Qemu-devel] [PATCH v3 04/16] block: introduce new dirty bitmap functionality, Paolo Bonzini, 2012/10/18
- [Qemu-devel] [PATCH v3 05/16] block: export dirty bitmap information in query-block,
Paolo Bonzini <=
- [Qemu-devel] [PATCH v3 06/16] block: rename block_job_complete to block_job_completed, Paolo Bonzini, 2012/10/18
- [Qemu-devel] [PATCH v3 07/16] block: add block-job-complete, Paolo Bonzini, 2012/10/18
- [Qemu-devel] [PATCH v3 08/16] block: introduce BLOCK_JOB_READY event, Paolo Bonzini, 2012/10/18
- [Qemu-devel] [PATCH v3 09/16] mirror: introduce mirror job, Paolo Bonzini, 2012/10/18
- [Qemu-devel] [PATCH v3 13/16] iostatus: forward block_job_iostatus_reset to block job, Paolo Bonzini, 2012/10/18
- [Qemu-devel] [PATCH v3 14/16] mirror: add support for on-source-error/on-target-error, Paolo Bonzini, 2012/10/18
- [Qemu-devel] [PATCH v3 15/16] qmp: add pull_event function, Paolo Bonzini, 2012/10/18
- [Qemu-devel] [PATCH v3 12/16] qemu-iotests: add mirroring test case, Paolo Bonzini, 2012/10/18