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qemu
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Ask for read-write permissions when opening files 

Found some places that seems needs this explicitly, now that
read-write is not the default.

Signed-off-by: Naphtali Sprei <nsprei@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Naphtali Sprei 2010-01-21 14:40:39 +02:00 committed by Anthony Liguori
parent 37226ad946
commit 058fc8c768
3 changed files with 4 additions and 4 deletions
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2
block/qcow2.c
View File

@ -998,7 +998,7 @@ exit:
if (prealloc) {
BlockDriverState *bs;
bs = bdrv_new("");
bdrv_open(bs, filename, BDRV_O_CACHE_WB);
bdrv_open(bs, filename, BDRV_O_CACHE_WB | BDRV_O_RDWR);
preallocate(bs);
bdrv_close(bs);
}

2
block/vvfat.c
View File

@ -2792,7 +2792,7 @@ static int enable_write_target(BDRVVVFATState *s)
if (bdrv_create(bdrv_qcow, s->qcow_filename, options) < 0)
return -1;
s->qcow = bdrv_new("");
if (s->qcow == NULL || bdrv_open(s->qcow, s->qcow_filename, 0) < 0)
if (s->qcow == NULL || bdrv_open(s->qcow, s->qcow_filename, BDRV_O_RDWR) < 0)
return -1;
#ifndef _WIN32

4
qemu-img.c
View File

@ -1116,7 +1116,7 @@ static int img_rebase(int argc, char **argv)
if (!bs)
error("Not enough memory");
flags = BRDV_O_FLAGS | (unsafe ? BDRV_O_NO_BACKING : 0);
flags = BRDV_O_FLAGS | BDRV_O_RDWR | (unsafe ? BDRV_O_NO_BACKING : 0);
if (bdrv_open2(bs, filename, flags, NULL) < 0) {
error("Could not open '%s'", filename);
}
@ -1157,7 +1157,7 @@ static int img_rebase(int argc, char **argv)
}
bs_new_backing = bdrv_new("new_backing");
if (bdrv_open2(bs_new_backing, out_baseimg, BRDV_O_FLAGS,
if (bdrv_open2(bs_new_backing, out_baseimg, BRDV_O_FLAGS | BDRV_O_RDWR,
new_backing_drv))
{
error("Could not open new backing file '%s'", backing_name);