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[Qemu-devel] [PATCH 2/3] Update the blkmirror block driver
From: |
Federico Simoncelli |
Subject: |
[Qemu-devel] [PATCH 2/3] Update the blkmirror block driver |
Date: |
Wed, 22 Feb 2012 17:13:34 +0000 |
Signed-off-by: Federico Simoncelli <address@hidden>
---
block/blkmirror.c | 26 +++++++++++++-------------
1 files changed, 13 insertions(+), 13 deletions(-)
diff --git a/block/blkmirror.c b/block/blkmirror.c
index 1c02710..1cfd2fb 100644
--- a/block/blkmirror.c
+++ b/block/blkmirror.c
@@ -46,7 +46,7 @@ static int blkmirror_open(BlockDriverState *bs, const char
*filename, int flags)
filename += strlen("blkmirror:");
/* Parse the raw image filename */
- filename2 = qemu_malloc(strlen(filename)+1);
+ filename2 = qemu_vmalloc(strlen(filename)+1);
escape = 0;
for (i = n = 0; i < strlen(filename); i++) {
if (!escape && filename[i] == ':') {
@@ -66,11 +66,11 @@ static int blkmirror_open(BlockDriverState *bs, const char
*filename, int flags)
m->bs[0] = bdrv_new("");
if (m->bs[0] == NULL) {
- free(filename2);
+ qemu_vfree(filename2);
return -ENOMEM;
}
ret = bdrv_open(m->bs[0], filename2, flags, NULL);
- free(filename2);
+ qemu_vfree(filename2);
if (ret < 0) {
return ret;
}
@@ -81,7 +81,7 @@ static int blkmirror_open(BlockDriverState *bs, const char
*filename, int flags)
bdrv_delete(m->bs[0]);
return -ENOMEM;
}
- ret = bdrv_open(m->bs[1], filename, flags, NULL);
+ ret = bdrv_open(m->bs[1], filename, flags | BDRV_O_NO_BACKING, NULL);
if (ret < 0) {
bdrv_delete(m->bs[0]);
return ret;
@@ -101,17 +101,17 @@ static void blkmirror_close(BlockDriverState *bs)
}
}
-static int blkmirror_flush(BlockDriverState *bs)
+static coroutine_fn int blkmirror_co_flush(BlockDriverState *bs)
{
BdrvMirrorState *m = bs->opaque;
int ret;
- ret = bdrv_flush(m->bs[0]);
+ ret = bdrv_co_flush(m->bs[0]);
if (ret < 0) {
return ret;
}
- return bdrv_flush(m->bs[1]);
+ return bdrv_co_flush(m->bs[1]);
}
static int64_t blkmirror_getlength(BlockDriverState *bs)
@@ -242,18 +242,18 @@ static BlockDriverAIOCB
*blkmirror_aio_flush(BlockDriverState *bs,
return &dcb->common;
}
-static int blkmirror_discard(BlockDriverState *bs, int64_t sector_num,
- int nb_sectors)
+static coroutine_fn int blkmirror_co_discard(BlockDriverState *bs,
+ int64_t sector_num, int nb_sectors)
{
BdrvMirrorState *m = bs->opaque;
int ret;
- ret = bdrv_discard(m->bs[0], sector_num, nb_sectors);
+ ret = bdrv_co_discard(m->bs[0], sector_num, nb_sectors);
if (ret < 0) {
return ret;
}
- return bdrv_discard(m->bs[1], sector_num, nb_sectors);
+ return bdrv_co_discard(m->bs[1], sector_num, nb_sectors);
}
@@ -266,8 +266,8 @@ static BlockDriver bdrv_blkmirror = {
.bdrv_file_open = blkmirror_open,
.bdrv_close = blkmirror_close,
- .bdrv_flush = blkmirror_flush,
- .bdrv_discard = blkmirror_discard,
+ .bdrv_co_flush_to_disk = blkmirror_co_flush,
+ .bdrv_co_discard = blkmirror_co_discard,
.bdrv_aio_readv = blkmirror_aio_readv,
.bdrv_aio_writev = blkmirror_aio_writev,
--
1.7.1
- [Qemu-devel] Live Block Migration using Mirroring, Federico Simoncelli, 2012/02/22
- [Qemu-devel] [PATCH 2/3] Update the blkmirror block driver,
Federico Simoncelli <=
- [Qemu-devel] [PATCH 3/3] Add nocreate option to snapshot_blkdev, Federico Simoncelli, 2012/02/22
- Re: [Qemu-devel] [PATCH 3/3] Add nocreate option to snapshot_blkdev, Paolo Bonzini, 2012/02/23
- Re: [Qemu-devel] [PATCH 3/3] Add nocreate option to snapshot_blkdev, Paolo Bonzini, 2012/02/23
- Re: [Qemu-devel] [PATCH 3/3] Add nocreate option to snapshot_blkdev, Federico Simoncelli, 2012/02/23
- Re: [Qemu-devel] [PATCH 3/3] Add nocreate option to snapshot_blkdev, Paolo Bonzini, 2012/02/23
- Re: [Qemu-devel] [PATCH 3/3] Add nocreate option to snapshot_blkdev, Federico Simoncelli, 2012/02/23
- Re: [Qemu-devel] [PATCH 3/3] Add nocreate option to snapshot_blkdev, Paolo Bonzini, 2012/02/23