block: Convert bdrv_get_allocated_file_size() to co_wrapper
bdrv_get_allocated_file_size() is categorized as an I/O function, and it currently doesn't run in a coroutine. We should let it take a graph rdlock since it traverses the block nodes graph, which however is only possible in a coroutine. Therefore turn it into a co_wrapper to move the actual function into a coroutine where the lock can be taken. Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20230113204212.359076-10-kwolf@redhat.com> Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
parent
bd53086e82
commit
82618d7bc3
12
block.c
12
block.c
@ -5720,7 +5720,7 @@ exit:
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}
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}
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/**
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/**
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* Implementation of BlockDriver.bdrv_get_allocated_file_size() that
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* Implementation of BlockDriver.bdrv_co_get_allocated_file_size() that
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* sums the size of all data-bearing children. (This excludes backing
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* sums the size of all data-bearing children. (This excludes backing
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* children.)
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* children.)
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*/
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*/
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@ -5733,7 +5733,7 @@ static int64_t bdrv_sum_allocated_file_size(BlockDriverState *bs)
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if (child->role & (BDRV_CHILD_DATA | BDRV_CHILD_METADATA |
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if (child->role & (BDRV_CHILD_DATA | BDRV_CHILD_METADATA |
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BDRV_CHILD_FILTERED))
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BDRV_CHILD_FILTERED))
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{
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{
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child_size = bdrv_get_allocated_file_size(child->bs);
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child_size = bdrv_co_get_allocated_file_size(child->bs);
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if (child_size < 0) {
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if (child_size < 0) {
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return child_size;
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return child_size;
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}
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}
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@ -5748,7 +5748,7 @@ static int64_t bdrv_sum_allocated_file_size(BlockDriverState *bs)
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* Length of a allocated file in bytes. Sparse files are counted by actual
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* Length of a allocated file in bytes. Sparse files are counted by actual
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* allocated space. Return < 0 if error or unknown.
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* allocated space. Return < 0 if error or unknown.
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*/
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*/
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int64_t bdrv_get_allocated_file_size(BlockDriverState *bs)
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int64_t coroutine_fn bdrv_co_get_allocated_file_size(BlockDriverState *bs)
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{
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{
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BlockDriver *drv = bs->drv;
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BlockDriver *drv = bs->drv;
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IO_CODE();
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IO_CODE();
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@ -5756,8 +5756,8 @@ int64_t bdrv_get_allocated_file_size(BlockDriverState *bs)
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if (!drv) {
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if (!drv) {
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return -ENOMEDIUM;
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return -ENOMEDIUM;
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}
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}
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if (drv->bdrv_get_allocated_file_size) {
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if (drv->bdrv_co_get_allocated_file_size) {
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return drv->bdrv_get_allocated_file_size(bs);
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return drv->bdrv_co_get_allocated_file_size(bs);
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}
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}
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if (drv->bdrv_file_open) {
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if (drv->bdrv_file_open) {
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@ -5769,7 +5769,7 @@ int64_t bdrv_get_allocated_file_size(BlockDriverState *bs)
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return -ENOTSUP;
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return -ENOTSUP;
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} else if (drv->is_filter) {
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} else if (drv->is_filter) {
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/* Filter drivers default to the size of their filtered child */
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/* Filter drivers default to the size of their filtered child */
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return bdrv_get_allocated_file_size(bdrv_filter_bs(bs));
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return bdrv_co_get_allocated_file_size(bdrv_filter_bs(bs));
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} else {
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} else {
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/* Other drivers default to summing their children's sizes */
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/* Other drivers default to summing their children's sizes */
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return bdrv_sum_allocated_file_size(bs);
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return bdrv_sum_allocated_file_size(bs);
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@ -2464,7 +2464,7 @@ static int64_t coroutine_fn raw_co_getlength(BlockDriverState *bs)
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}
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}
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#endif
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#endif
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static int64_t raw_get_allocated_file_size(BlockDriverState *bs)
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static int64_t coroutine_fn raw_co_get_allocated_file_size(BlockDriverState *bs)
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{
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{
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struct stat st;
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struct stat st;
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BDRVRawState *s = bs->opaque;
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BDRVRawState *s = bs->opaque;
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@ -3324,8 +3324,7 @@ BlockDriver bdrv_file = {
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.bdrv_co_truncate = raw_co_truncate,
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.bdrv_co_truncate = raw_co_truncate,
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.bdrv_co_getlength = raw_co_getlength,
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.bdrv_co_getlength = raw_co_getlength,
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.bdrv_get_info = raw_get_info,
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.bdrv_get_info = raw_get_info,
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.bdrv_get_allocated_file_size
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.bdrv_co_get_allocated_file_size = raw_co_get_allocated_file_size,
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= raw_get_allocated_file_size,
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.bdrv_get_specific_stats = raw_get_specific_stats,
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.bdrv_get_specific_stats = raw_get_specific_stats,
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.bdrv_check_perm = raw_check_perm,
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.bdrv_check_perm = raw_check_perm,
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.bdrv_set_perm = raw_set_perm,
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.bdrv_set_perm = raw_set_perm,
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@ -3696,8 +3695,7 @@ static BlockDriver bdrv_host_device = {
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.bdrv_co_truncate = raw_co_truncate,
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.bdrv_co_truncate = raw_co_truncate,
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.bdrv_co_getlength = raw_co_getlength,
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.bdrv_co_getlength = raw_co_getlength,
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.bdrv_get_info = raw_get_info,
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.bdrv_get_info = raw_get_info,
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.bdrv_get_allocated_file_size
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.bdrv_co_get_allocated_file_size = raw_co_get_allocated_file_size,
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= raw_get_allocated_file_size,
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.bdrv_get_specific_stats = hdev_get_specific_stats,
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.bdrv_get_specific_stats = hdev_get_specific_stats,
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.bdrv_check_perm = raw_check_perm,
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.bdrv_check_perm = raw_check_perm,
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.bdrv_set_perm = raw_set_perm,
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.bdrv_set_perm = raw_set_perm,
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@ -3820,8 +3818,7 @@ static BlockDriver bdrv_host_cdrom = {
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.bdrv_co_truncate = raw_co_truncate,
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.bdrv_co_truncate = raw_co_truncate,
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.bdrv_co_getlength = raw_co_getlength,
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.bdrv_co_getlength = raw_co_getlength,
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.has_variable_length = true,
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.has_variable_length = true,
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.bdrv_get_allocated_file_size
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.bdrv_co_get_allocated_file_size = raw_co_get_allocated_file_size,
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= raw_get_allocated_file_size,
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/* removable device support */
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/* removable device support */
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.bdrv_co_is_inserted = cdrom_co_is_inserted,
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.bdrv_co_is_inserted = cdrom_co_is_inserted,
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@ -3950,8 +3947,7 @@ static BlockDriver bdrv_host_cdrom = {
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.bdrv_co_truncate = raw_co_truncate,
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.bdrv_co_truncate = raw_co_truncate,
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.bdrv_co_getlength = raw_co_getlength,
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.bdrv_co_getlength = raw_co_getlength,
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.has_variable_length = true,
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.has_variable_length = true,
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.bdrv_get_allocated_file_size
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.bdrv_co_get_allocated_file_size = raw_co_get_allocated_file_size,
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= raw_get_allocated_file_size,
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/* removable device support */
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/* removable device support */
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.bdrv_co_is_inserted = cdrom_co_is_inserted,
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.bdrv_co_is_inserted = cdrom_co_is_inserted,
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@ -559,7 +559,7 @@ static int64_t coroutine_fn raw_co_getlength(BlockDriverState *bs)
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return l.QuadPart;
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return l.QuadPart;
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}
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}
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static int64_t raw_get_allocated_file_size(BlockDriverState *bs)
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static int64_t coroutine_fn raw_co_get_allocated_file_size(BlockDriverState *bs)
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{
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{
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typedef DWORD (WINAPI * get_compressed_t)(const char *filename,
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typedef DWORD (WINAPI * get_compressed_t)(const char *filename,
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DWORD * high);
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DWORD * high);
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@ -765,8 +765,8 @@ BlockDriver bdrv_file = {
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.bdrv_co_truncate = raw_co_truncate,
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.bdrv_co_truncate = raw_co_truncate,
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.bdrv_co_getlength = raw_co_getlength,
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.bdrv_co_getlength = raw_co_getlength,
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.bdrv_get_allocated_file_size
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.bdrv_co_get_allocated_file_size
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= raw_get_allocated_file_size,
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= raw_co_get_allocated_file_size,
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.create_opts = &raw_create_opts,
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.create_opts = &raw_create_opts,
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};
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};
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@ -935,9 +935,7 @@ static BlockDriver bdrv_host_device = {
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.bdrv_co_getlength = raw_co_getlength,
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.bdrv_co_getlength = raw_co_getlength,
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.has_variable_length = true,
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.has_variable_length = true,
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.bdrv_co_get_allocated_file_size = raw_co_get_allocated_file_size,
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.bdrv_get_allocated_file_size
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= raw_get_allocated_file_size,
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};
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};
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static void bdrv_file_init(void)
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static void bdrv_file_init(void)
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@ -1331,7 +1331,8 @@ static int64_t coroutine_fn qemu_gluster_co_getlength(BlockDriverState *bs)
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}
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}
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}
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}
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static int64_t qemu_gluster_allocated_file_size(BlockDriverState *bs)
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static int64_t coroutine_fn
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qemu_gluster_co_get_allocated_file_size(BlockDriverState *bs)
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{
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{
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BDRVGlusterState *s = bs->opaque;
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BDRVGlusterState *s = bs->opaque;
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struct stat st;
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struct stat st;
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@ -1560,7 +1561,7 @@ static BlockDriver bdrv_gluster = {
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.bdrv_co_create = qemu_gluster_co_create,
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.bdrv_co_create = qemu_gluster_co_create,
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.bdrv_co_create_opts = qemu_gluster_co_create_opts,
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.bdrv_co_create_opts = qemu_gluster_co_create_opts,
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.bdrv_co_getlength = qemu_gluster_co_getlength,
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.bdrv_co_getlength = qemu_gluster_co_getlength,
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.bdrv_get_allocated_file_size = qemu_gluster_allocated_file_size,
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.bdrv_co_get_allocated_file_size = qemu_gluster_co_get_allocated_file_size,
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.bdrv_co_truncate = qemu_gluster_co_truncate,
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.bdrv_co_truncate = qemu_gluster_co_truncate,
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.bdrv_co_readv = qemu_gluster_co_readv,
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.bdrv_co_readv = qemu_gluster_co_readv,
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.bdrv_co_writev = qemu_gluster_co_writev,
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.bdrv_co_writev = qemu_gluster_co_writev,
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@ -1589,7 +1590,7 @@ static BlockDriver bdrv_gluster_tcp = {
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.bdrv_co_create = qemu_gluster_co_create,
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.bdrv_co_create = qemu_gluster_co_create,
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.bdrv_co_create_opts = qemu_gluster_co_create_opts,
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.bdrv_co_create_opts = qemu_gluster_co_create_opts,
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.bdrv_co_getlength = qemu_gluster_co_getlength,
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.bdrv_co_getlength = qemu_gluster_co_getlength,
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.bdrv_get_allocated_file_size = qemu_gluster_allocated_file_size,
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.bdrv_co_get_allocated_file_size = qemu_gluster_co_get_allocated_file_size,
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.bdrv_co_truncate = qemu_gluster_co_truncate,
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.bdrv_co_truncate = qemu_gluster_co_truncate,
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.bdrv_co_readv = qemu_gluster_co_readv,
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.bdrv_co_readv = qemu_gluster_co_readv,
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.bdrv_co_writev = qemu_gluster_co_writev,
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.bdrv_co_writev = qemu_gluster_co_writev,
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@ -1618,7 +1619,7 @@ static BlockDriver bdrv_gluster_unix = {
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.bdrv_co_create = qemu_gluster_co_create,
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.bdrv_co_create = qemu_gluster_co_create,
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.bdrv_co_create_opts = qemu_gluster_co_create_opts,
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.bdrv_co_create_opts = qemu_gluster_co_create_opts,
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.bdrv_co_getlength = qemu_gluster_co_getlength,
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.bdrv_co_getlength = qemu_gluster_co_getlength,
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.bdrv_get_allocated_file_size = qemu_gluster_allocated_file_size,
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.bdrv_co_get_allocated_file_size = qemu_gluster_co_get_allocated_file_size,
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.bdrv_co_truncate = qemu_gluster_co_truncate,
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.bdrv_co_truncate = qemu_gluster_co_truncate,
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.bdrv_co_readv = qemu_gluster_co_readv,
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.bdrv_co_readv = qemu_gluster_co_readv,
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.bdrv_co_writev = qemu_gluster_co_writev,
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.bdrv_co_writev = qemu_gluster_co_writev,
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@ -1653,7 +1654,7 @@ static BlockDriver bdrv_gluster_rdma = {
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.bdrv_co_create = qemu_gluster_co_create,
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.bdrv_co_create = qemu_gluster_co_create,
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.bdrv_co_create_opts = qemu_gluster_co_create_opts,
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.bdrv_co_create_opts = qemu_gluster_co_create_opts,
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.bdrv_co_getlength = qemu_gluster_co_getlength,
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.bdrv_co_getlength = qemu_gluster_co_getlength,
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.bdrv_get_allocated_file_size = qemu_gluster_allocated_file_size,
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.bdrv_co_get_allocated_file_size = qemu_gluster_co_get_allocated_file_size,
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.bdrv_co_truncate = qemu_gluster_co_truncate,
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.bdrv_co_truncate = qemu_gluster_co_truncate,
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.bdrv_co_readv = qemu_gluster_co_readv,
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.bdrv_co_readv = qemu_gluster_co_readv,
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.bdrv_co_writev = qemu_gluster_co_writev,
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.bdrv_co_writev = qemu_gluster_co_writev,
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@ -732,7 +732,7 @@ nfs_get_allocated_file_size_cb(int ret, struct nfs_context *nfs, void *data,
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bdrv_wakeup(task->bs);
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bdrv_wakeup(task->bs);
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}
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}
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static int64_t nfs_get_allocated_file_size(BlockDriverState *bs)
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static int64_t coroutine_fn nfs_co_get_allocated_file_size(BlockDriverState *bs)
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{
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{
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NFSClient *client = bs->opaque;
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NFSClient *client = bs->opaque;
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NFSRPC task = {0};
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NFSRPC task = {0};
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@ -885,7 +885,7 @@ static BlockDriver bdrv_nfs = {
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.bdrv_has_zero_init = nfs_has_zero_init,
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.bdrv_has_zero_init = nfs_has_zero_init,
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/* libnfs does not provide the allocated filesize of a file on win32. */
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/* libnfs does not provide the allocated filesize of a file on win32. */
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#if !defined(_WIN32)
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#if !defined(_WIN32)
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.bdrv_get_allocated_file_size = nfs_get_allocated_file_size,
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.bdrv_co_get_allocated_file_size = nfs_co_get_allocated_file_size,
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#endif
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#endif
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.bdrv_co_truncate = nfs_file_co_truncate,
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.bdrv_co_truncate = nfs_file_co_truncate,
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@ -265,7 +265,8 @@ static void null_refresh_filename(BlockDriverState *bs)
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bs->drv->format_name);
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bs->drv->format_name);
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}
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}
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static int64_t null_allocated_file_size(BlockDriverState *bs)
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static int64_t coroutine_fn
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null_co_get_allocated_file_size(BlockDriverState *bs)
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{
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{
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return 0;
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return 0;
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}
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}
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@ -285,7 +286,7 @@ static BlockDriver bdrv_null_co = {
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.bdrv_file_open = null_file_open,
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.bdrv_file_open = null_file_open,
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.bdrv_parse_filename = null_co_parse_filename,
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.bdrv_parse_filename = null_co_parse_filename,
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.bdrv_co_getlength = null_co_getlength,
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.bdrv_co_getlength = null_co_getlength,
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.bdrv_get_allocated_file_size = null_allocated_file_size,
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.bdrv_co_get_allocated_file_size = null_co_get_allocated_file_size,
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.bdrv_co_preadv = null_co_preadv,
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.bdrv_co_preadv = null_co_preadv,
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.bdrv_co_pwritev = null_co_pwritev,
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.bdrv_co_pwritev = null_co_pwritev,
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@ -306,7 +307,7 @@ static BlockDriver bdrv_null_aio = {
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.bdrv_file_open = null_file_open,
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.bdrv_file_open = null_file_open,
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.bdrv_parse_filename = null_aio_parse_filename,
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.bdrv_parse_filename = null_aio_parse_filename,
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.bdrv_co_getlength = null_co_getlength,
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.bdrv_co_getlength = null_co_getlength,
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.bdrv_get_allocated_file_size = null_allocated_file_size,
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.bdrv_co_get_allocated_file_size = null_co_get_allocated_file_size,
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.bdrv_aio_preadv = null_aio_preadv,
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.bdrv_aio_preadv = null_aio_preadv,
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.bdrv_aio_pwritev = null_aio_pwritev,
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.bdrv_aio_pwritev = null_aio_pwritev,
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@ -3720,7 +3720,7 @@ int coroutine_fn qcow2_detect_metadata_preallocation(BlockDriverState *bs)
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return file_length;
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return file_length;
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}
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}
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real_allocation = bdrv_get_allocated_file_size(bs->file->bs);
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real_allocation = bdrv_co_get_allocated_file_size(bs->file->bs);
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if (real_allocation < 0) {
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if (real_allocation < 0) {
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return real_allocation;
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return real_allocation;
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}
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}
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@ -2856,14 +2856,15 @@ static void vmdk_close(BlockDriverState *bs)
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error_free(s->migration_blocker);
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error_free(s->migration_blocker);
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}
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}
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static int64_t vmdk_get_allocated_file_size(BlockDriverState *bs)
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static int64_t coroutine_fn
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vmdk_co_get_allocated_file_size(BlockDriverState *bs)
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{
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{
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int i;
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int i;
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int64_t ret = 0;
|
int64_t ret = 0;
|
||||||
int64_t r;
|
int64_t r;
|
||||||
BDRVVmdkState *s = bs->opaque;
|
BDRVVmdkState *s = bs->opaque;
|
||||||
|
|
||||||
ret = bdrv_get_allocated_file_size(bs->file->bs);
|
ret = bdrv_co_get_allocated_file_size(bs->file->bs);
|
||||||
if (ret < 0) {
|
if (ret < 0) {
|
||||||
return ret;
|
return ret;
|
||||||
}
|
}
|
||||||
@ -2871,7 +2872,7 @@ static int64_t vmdk_get_allocated_file_size(BlockDriverState *bs)
|
|||||||
if (s->extents[i].file == bs->file) {
|
if (s->extents[i].file == bs->file) {
|
||||||
continue;
|
continue;
|
||||||
}
|
}
|
||||||
r = bdrv_get_allocated_file_size(s->extents[i].file->bs);
|
r = bdrv_co_get_allocated_file_size(s->extents[i].file->bs);
|
||||||
if (r < 0) {
|
if (r < 0) {
|
||||||
return r;
|
return r;
|
||||||
}
|
}
|
||||||
@ -3124,7 +3125,7 @@ static BlockDriver bdrv_vmdk = {
|
|||||||
.bdrv_co_create_opts = vmdk_co_create_opts,
|
.bdrv_co_create_opts = vmdk_co_create_opts,
|
||||||
.bdrv_co_create = vmdk_co_create,
|
.bdrv_co_create = vmdk_co_create,
|
||||||
.bdrv_co_block_status = vmdk_co_block_status,
|
.bdrv_co_block_status = vmdk_co_block_status,
|
||||||
.bdrv_get_allocated_file_size = vmdk_get_allocated_file_size,
|
.bdrv_co_get_allocated_file_size = vmdk_co_get_allocated_file_size,
|
||||||
.bdrv_has_zero_init = vmdk_has_zero_init,
|
.bdrv_has_zero_init = vmdk_has_zero_init,
|
||||||
.bdrv_get_specific_info = vmdk_get_specific_info,
|
.bdrv_get_specific_info = vmdk_get_specific_info,
|
||||||
.bdrv_refresh_limits = vmdk_refresh_limits,
|
.bdrv_refresh_limits = vmdk_refresh_limits,
|
||||||
|
@ -82,7 +82,9 @@ int64_t co_wrapper_mixed bdrv_nb_sectors(BlockDriverState *bs);
|
|||||||
int64_t coroutine_fn bdrv_co_getlength(BlockDriverState *bs);
|
int64_t coroutine_fn bdrv_co_getlength(BlockDriverState *bs);
|
||||||
int64_t co_wrapper_mixed bdrv_getlength(BlockDriverState *bs);
|
int64_t co_wrapper_mixed bdrv_getlength(BlockDriverState *bs);
|
||||||
|
|
||||||
int64_t bdrv_get_allocated_file_size(BlockDriverState *bs);
|
int64_t coroutine_fn bdrv_co_get_allocated_file_size(BlockDriverState *bs);
|
||||||
|
int64_t co_wrapper bdrv_get_allocated_file_size(BlockDriverState *bs);
|
||||||
|
|
||||||
BlockMeasureInfo *bdrv_measure(BlockDriver *drv, QemuOpts *opts,
|
BlockMeasureInfo *bdrv_measure(BlockDriver *drv, QemuOpts *opts,
|
||||||
BlockDriverState *in_bs, Error **errp);
|
BlockDriverState *in_bs, Error **errp);
|
||||||
void bdrv_get_geometry(BlockDriverState *bs, uint64_t *nb_sectors_ptr);
|
void bdrv_get_geometry(BlockDriverState *bs, uint64_t *nb_sectors_ptr);
|
||||||
|
@ -681,7 +681,9 @@ struct BlockDriver {
|
|||||||
bool exact, PreallocMode prealloc,
|
bool exact, PreallocMode prealloc,
|
||||||
BdrvRequestFlags flags, Error **errp);
|
BdrvRequestFlags flags, Error **errp);
|
||||||
int64_t coroutine_fn (*bdrv_co_getlength)(BlockDriverState *bs);
|
int64_t coroutine_fn (*bdrv_co_getlength)(BlockDriverState *bs);
|
||||||
int64_t (*bdrv_get_allocated_file_size)(BlockDriverState *bs);
|
int64_t coroutine_fn (*bdrv_co_get_allocated_file_size)(
|
||||||
|
BlockDriverState *bs);
|
||||||
|
|
||||||
BlockMeasureInfo *(*bdrv_measure)(QemuOpts *opts, BlockDriverState *in_bs,
|
BlockMeasureInfo *(*bdrv_measure)(QemuOpts *opts, BlockDriverState *in_bs,
|
||||||
Error **errp);
|
Error **errp);
|
||||||
|
|
||||||
|
Loading…
Reference in New Issue
Block a user