diff options
| author | Christoph Hellwig <hch@lst.de> | 2010-06-07 12:06:37 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2010-06-15 09:41:59 +0200 |
| commit | 893a9cb47c767adfbc22357e33e784e7137392df (patch) | |
| tree | 6de9b24557e2c0896017402a53ebfec8612871ad /qemu-common.h | |
| parent | 122bb9e32df488accad35ce6a52c3a2a5c33e4be (diff) | |
| download | qemu-kvm-893a9cb47c767adfbc22357e33e784e7137392df.tar.gz | |
cow: stop using mmap
We don't have an equivalent to mmap in the qemu block API, so read and
write the bitmap directly. At least in the dumb implementation added
in this patch this is a lot less efficient, but it means cow can also
work on windows, and over nbd or curl. And it fixes qemu-iotests testcase
012 which did not work properly due to issues with read-only mmap access.
In addition we can also get rid of the now unused get_mmap_addr function.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'qemu-common.h')
| -rw-r--r-- | qemu-common.h | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/qemu-common.h b/qemu-common.h index d133f35f4c4..00998c3af52 100644 --- a/qemu-common.h +++ b/qemu-common.h @@ -164,9 +164,6 @@ void qemu_free(void *ptr); char *qemu_strdup(const char *str); char *qemu_strndup(const char *str, size_t size); -void *get_mmap_addr(unsigned long size); - - void qemu_mutex_lock_iothread(void); void qemu_mutex_unlock_iothread(void); |