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authorBlue Swirl <blauwirbel@gmail.com>2010-07-25 20:49:34 +0000
committerAnthony Liguori <aliguori@us.ibm.com>2010-07-28 14:04:25 -0500
commit7829bc6c9f25d98038af889217aa30c94ef314f9 (patch)
tree9c63ccac83fddfff87e8d9f655c904539d1c89d0 /blockdev.c
parent32b8bb3b3b2113864b06933723a04da22b82c289 (diff)
downloadqemu-7829bc6c9f25d98038af889217aa30c94ef314f9.tar.gz
Fix -snapshot deleting images on disk change
Block device change command did not copy BDRV_O_SNAPSHOT flag. Thus the new image did not have this flag and the file got deleted during opening. Fix by copying BDRV_O_SNAPSHOT flag. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com> (cherry picked from commit 199630b62ec7cc5efd6f860ff545b449c7b5cdb8) Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'blockdev.c')
-rw-r--r--blockdev.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/blockdev.c b/blockdev.c
index 0a9dec364e..01e402bf3d 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -590,6 +590,7 @@ int do_change_block(Monitor *mon, const char *device,
return -1;
}
bdrv_flags = bdrv_is_read_only(bs) ? 0 : BDRV_O_RDWR;
+ bdrv_flags |= bdrv_is_snapshot(bs) ? BDRV_O_SNAPSHOT : 0;
if (bdrv_open(bs, filename, bdrv_flags, drv) < 0) {
qerror_report(QERR_OPEN_FILE_FAILED, filename);
return -1;