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-rw-r--r--block.c5
-rw-r--r--block/bochs.c2
-rw-r--r--block/cloop.c2
-rw-r--r--block/dmg.c2
-rw-r--r--block/rbd.c2
-rw-r--r--block/vvfat.c4
-rw-r--r--include/block/block.h1
7 files changed, 12 insertions, 6 deletions
diff --git a/block.c b/block.c
index 7eda9a42b3..6f21145689 100644
--- a/block.c
+++ b/block.c
@@ -192,6 +192,11 @@ void path_combine(char *dest, int dest_size,
}
}
+void bdrv_set_read_only(BlockDriverState *bs, bool read_only)
+{
+ bs->read_only = read_only;
+}
+
void bdrv_get_full_backing_filename_from_filename(const char *backed,
const char *backing,
char *dest, size_t sz,
diff --git a/block/bochs.c b/block/bochs.c
index 516da56c3b..bdc28316e7 100644
--- a/block/bochs.c
+++ b/block/bochs.c
@@ -110,7 +110,7 @@ static int bochs_open(BlockDriverState *bs, QDict *options, int flags,
return -EINVAL;
}
- bs->read_only = true; /* no write support yet */
+ bdrv_set_read_only(bs, true); /* no write support yet */
ret = bdrv_pread(bs->file, 0, &bochs, sizeof(bochs));
if (ret < 0) {
diff --git a/block/cloop.c b/block/cloop.c
index a6c7b9dbe6..11f17c8489 100644
--- a/block/cloop.c
+++ b/block/cloop.c
@@ -72,7 +72,7 @@ static int cloop_open(BlockDriverState *bs, QDict *options, int flags,
return -EINVAL;
}
- bs->read_only = true;
+ bdrv_set_read_only(bs, true);
/* read header */
ret = bdrv_pread(bs->file, 128, &s->block_size, 4);
diff --git a/block/dmg.c b/block/dmg.c
index a7d25fc47b..27ce4a62d1 100644
--- a/block/dmg.c
+++ b/block/dmg.c
@@ -420,7 +420,7 @@ static int dmg_open(BlockDriverState *bs, QDict *options, int flags,
}
block_module_load_one("dmg-bz2");
- bs->read_only = true;
+ bdrv_set_read_only(bs, true);
s->n_chunks = 0;
s->offsets = s->lengths = s->sectors = s->sectorcounts = NULL;
diff --git a/block/rbd.c b/block/rbd.c
index 1ceeeb5a60..6ad2904d78 100644
--- a/block/rbd.c
+++ b/block/rbd.c
@@ -641,7 +641,7 @@ static int qemu_rbd_open(BlockDriverState *bs, QDict *options, int flags,
goto failed_open;
}
- bs->read_only = (s->snap != NULL);
+ bdrv_set_read_only(bs, (s->snap != NULL));
qemu_opts_del(opts);
return 0;
diff --git a/block/vvfat.c b/block/vvfat.c
index af5153d27d..d4ce6d7092 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -1157,7 +1157,7 @@ static int vvfat_open(BlockDriverState *bs, QDict *options, int flags,
s->current_cluster=0xffffffff;
/* read only is the default for safety */
- bs->read_only = true;
+ bdrv_set_read_only(bs, true);
s->qcow = NULL;
s->qcow_filename = NULL;
s->fat2 = NULL;
@@ -1173,7 +1173,7 @@ static int vvfat_open(BlockDriverState *bs, QDict *options, int flags,
if (ret < 0) {
goto fail;
}
- bs->read_only = false;
+ bdrv_set_read_only(bs, false);
}
bs->total_sectors = cyls * heads * secs;
diff --git a/include/block/block.h b/include/block/block.h
index 466de49b48..99d49f2d66 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -434,6 +434,7 @@ int bdrv_is_allocated_above(BlockDriverState *top, BlockDriverState *base,
int64_t sector_num, int nb_sectors, int *pnum);
bool bdrv_is_read_only(BlockDriverState *bs);
+void bdrv_set_read_only(BlockDriverState *bs, bool read_only);
bool bdrv_is_sg(BlockDriverState *bs);
bool bdrv_is_inserted(BlockDriverState *bs);
int bdrv_media_changed(BlockDriverState *bs);