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| author | Max Reitz <mreitz@redhat.com> | 2013-08-30 14:34:24 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2013-08-30 15:48:43 +0200 |
| commit | 69c98726537627e708abb8fcb33e3a2b10e40bf1 (patch) | |
| tree | 1fc42d5d5c0abf85fb00b8c36c46b7f794ba8f44 /block/qcow2.h | |
| parent | 449df7063815489a0b091bcb3afa9ae80ae3acbf (diff) | |
| download | qemu-69c98726537627e708abb8fcb33e3a2b10e40bf1.tar.gz qemu-69c98726537627e708abb8fcb33e3a2b10e40bf1.tar.bz2 qemu-69c98726537627e708abb8fcb33e3a2b10e40bf1.zip | |
qcow2: Add corrupt bit
This adds an incompatible bit indicating corruption to qcow2. Any image
with this bit set may not be written to unless for repairing (and
subsequently clearing the bit if the repair has been successful).
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/qcow2.h')
| -rw-r--r-- | block/qcow2.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/block/qcow2.h b/block/qcow2.h index 365a17e4e8..32ecb338ab 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -119,9 +119,12 @@ enum { /* Incompatible feature bits */ enum { QCOW2_INCOMPAT_DIRTY_BITNR = 0, + QCOW2_INCOMPAT_CORRUPT_BITNR = 1, QCOW2_INCOMPAT_DIRTY = 1 << QCOW2_INCOMPAT_DIRTY_BITNR, + QCOW2_INCOMPAT_CORRUPT = 1 << QCOW2_INCOMPAT_CORRUPT_BITNR, - QCOW2_INCOMPAT_MASK = QCOW2_INCOMPAT_DIRTY, + QCOW2_INCOMPAT_MASK = QCOW2_INCOMPAT_DIRTY + | QCOW2_INCOMPAT_CORRUPT, }; /* Compatible feature bits */ @@ -361,6 +364,8 @@ int qcow2_backing_read1(BlockDriverState *bs, QEMUIOVector *qiov, int64_t sector_num, int nb_sectors); int qcow2_mark_dirty(BlockDriverState *bs); +int qcow2_mark_corrupt(BlockDriverState *bs); +int qcow2_mark_consistent(BlockDriverState *bs); int qcow2_update_header(BlockDriverState *bs); /* qcow2-refcount.c functions */ |