Re: [Qemu-devel] [PATCH] qcow2: Patch for shrinking qcow2 disk image

2014-04-03 Thread Jun Lee
- Original Message - From: Fam Zheng f...@redhat.com To: Jun Lee j...@redhat.com Cc: kw...@redhat.com, stefa...@redhat.com, qemu-devel@nongnu.org Sent: Wednesday, April 2, 2014 10:24:34 AM Subject: Re: [Qemu-devel] [PATCH] qcow2: Patch for shrinking qcow2 disk image On Tue, 04/01 10:06

Re: [Qemu-devel] [PATCH] qcow2: Patch for shrinking qcow2 disk image

2014-04-03 Thread Fam Zheng
On Thu, 04/03 07:28, Jun Lee wrote: @@ -66,7 +63,18 @@ int qcow2_grow_l1_table(BlockDriverState *bs, uint64_t min_size, new_l1_size2 = sizeof(uint64_t) * new_l1_size; new_l1_table = g_malloc0(align_offset(new_l1_size2, 512)); -memcpy(new_l1_table, s-l1_table, s-l1_size

[Qemu-devel] [PATCH] qcow2: Patch for shrinking qcow2 disk image

2014-04-02 Thread Jun Li
Signed-off-by: Jun Li junm...@gmail.com This patch can make sure the data still existing after shrinking. And only discard the unused (guest) clusters. If shrinking to the size which stored data, It will return an error and will not do any change. As this patch can support shrinking, so changed

[Qemu-devel] [PATCH] qcow2: Patch for shrinking qcow2 disk image

2014-04-02 Thread Jun Li
Signed-off-by: Jun Li junm...@gmail.com This patch can make sure the data still existing after shrinking. And only discard the unused (guest) clusters. If shrinking to the size which stored data, It will return an error and will not do any change. As this patch can support shrinking, so changed

[Qemu-devel] [PATCH] qcow2: Patch for shrinking qcow2 disk image

2014-04-01 Thread Jun Lee
Signed-off-by: Jun Li junm...@gmail.com This patch can make sure the data still existing after shrinking. And only discard the unused (guest) clusters. If shrinking to the size which stored data, It will return an error and will not do any change. As this patch can support shrinking, so changed

[Qemu-devel] [PATCH] qcow2: Patch for shrinking qcow2 disk image

2014-04-01 Thread Jun Li
Signed-off-by: Jun Li junm...@gmail.com This patch can make sure the data still existing after shrinking. And only discard the unused (guest) clusters. If shrinking to the size which stored data, It will return an error and will not do any change. As this patch can support shrinking, so

Re: [Qemu-devel] [PATCH] qcow2: Patch for shrinking qcow2 disk image

2014-04-01 Thread Fam Zheng
On Tue, 04/01 10:06, Jun Lee wrote: Signed-off-by: Jun Li junm...@gmail.com This patch can make sure the data still existing after shrinking. And only discard the unused (guest) clusters. If shrinking to the size which stored data, It will return an error and will not do any change. As