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(parent: 3c36357) | patch
qcow2: No persistent dirty bitmaps for compat=0.10
authorMax Reitz <mreitz@redhat.com>
Thu, 23 Nov 2017 02:08:17 +0000 (03:08 +0100)
committerMax Reitz <mreitz@redhat.com>
Tue, 23 Jan 2018 11:34:42 +0000 (12:34 +0100)
commitc9ceb3ec8a7e6dc4f74183ca7493895445b57845
treee8cc603dfe0c99b3a8077847d7639c1870b19320tree | snapshot
parent3c363575dc5fe325a8b16b1a18e1fa48120df6b6commit | diff
qcow2: No persistent dirty bitmaps for compat=0.10

Persistent dirty bitmaps require a properly functioning
autoclear_features field, or we cannot track when an unsupporting
program might overwrite them.  Therefore, we cannot support them for
compat=0.10 images.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20171123020832.8165-3-mreitz@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
block/qcow2-bitmap.c diff | blob | history
block/qcow2.c diff | blob | history
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