Disable fall-back to read-only when cannot open drive's file for read-write
Signed-off-by: Naphtali Sprei <nsprei@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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parent
3f3ed5933a
commit
03cbdac7ef
6
block.c
6
block.c
@ -444,8 +444,6 @@ int bdrv_open2(BlockDriverState *bs, const char *filename, int flags,
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if (flags & (BDRV_O_CACHE_WB|BDRV_O_NOCACHE))
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bs->enable_write_cache = 1;
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/* Note: for compatibility, we open disk image files as RDWR, and
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RDONLY as fallback */
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bs->read_only = (flags & BDRV_O_RDWR) == 0;
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if (!(flags & BDRV_O_FILE)) {
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open_flags = (flags & (BDRV_O_RDWR | BDRV_O_CACHE_MASK|BDRV_O_NATIVE_AIO));
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@ -459,10 +457,6 @@ int bdrv_open2(BlockDriverState *bs, const char *filename, int flags,
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ret = -ENOTSUP;
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} else {
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ret = drv->bdrv_open(bs, filename, open_flags);
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if ((ret == -EACCES || ret == -EPERM) && !(flags & BDRV_O_FILE)) {
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ret = drv->bdrv_open(bs, filename, open_flags & ~BDRV_O_RDWR);
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bs->read_only = 1;
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}
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}
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if (ret < 0) {
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qemu_free(bs->opaque);
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