Commit 21d82ac9 authored by Jeff Cody's avatar Jeff Cody Committed by Kevin Wolf
Browse files

block: qcow2 image file reopen 



These are the stubs for the file reopen drivers for the qcow2 format.

There is currently nothing that needs to be done by the qcow2 driver
in reopen.

Signed-off-by: default avatarJeff Cody <jcody@redhat.com>
Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent f9cb20f1

block/qcow2.c

+10 −0
Original line number Diff line number Diff line
@@ -52,6 +52,7 @@ typedef struct { 
    uint32_t magic;

    uint32_t len;

} QCowExtension;



#define  QCOW2_EXT_MAGIC_END 0

#define  QCOW2_EXT_MAGIC_BACKING_FORMAT 0xE2792ACA

#define  QCOW2_EXT_MAGIC_FEATURE_TABLE 0x6803f857
@@ -558,6 +559,14 @@ static int qcow2_set_key(BlockDriverState *bs, const char *key) 
    return 0;

}



/* We have nothing to do for QCOW2 reopen, stubs just return

 * success */

static int qcow2_reopen_prepare(BDRVReopenState *state,

                                BlockReopenQueue *queue, Error **errp)

{

    return 0;

}



static int coroutine_fn qcow2_co_is_allocated(BlockDriverState *bs,

        int64_t sector_num, int nb_sectors, int *pnum)

{
@@ -1679,6 +1688,7 @@ static BlockDriver bdrv_qcow2 = { 
    .bdrv_probe         = qcow2_probe,

    .bdrv_open          = qcow2_open,

    .bdrv_close         = qcow2_close,

    .bdrv_reopen_prepare  = qcow2_reopen_prepare,

    .bdrv_create        = qcow2_create,

    .bdrv_co_is_allocated = qcow2_co_is_allocated,

    .bdrv_set_key       = qcow2_set_key,