diff options
| -rw-r--r-- | block.c | 8 | ||||
| -rw-r--r-- | block/cow.c | 1 | ||||
| -rw-r--r-- | block/qcow.c | 1 | ||||
| -rw-r--r-- | block/qcow2.c | 1 | ||||
| -rw-r--r-- | block/qed.c | 1 | ||||
| -rw-r--r-- | block/raw-posix.c | 10 | ||||
| -rw-r--r-- | block/raw-win32.c | 7 | ||||
| -rw-r--r-- | block/rbd.c | 1 | ||||
| -rw-r--r-- | block/sheepdog.c | 1 | ||||
| -rw-r--r-- | block/vdi.c | 1 | ||||
| -rw-r--r-- | include/block/block.h | 1 |
11 files changed, 17 insertions, 16 deletions
@@ -2911,6 +2911,11 @@ void bdrv_flush_all(void) } } +int bdrv_has_zero_init_1(BlockDriverState *bs) +{ + return 1; +} + int bdrv_has_zero_init(BlockDriverState *bs) { assert(bs->drv); @@ -2919,7 +2924,8 @@ int bdrv_has_zero_init(BlockDriverState *bs) return bs->drv->bdrv_has_zero_init(bs); } - return 1; + /* safe default */ + return 0; } typedef struct BdrvCoIsAllocatedData { diff --git a/block/cow.c b/block/cow.c index 9f94599661..1cc2e89c7c 100644 --- a/block/cow.c +++ b/block/cow.c @@ -340,6 +340,7 @@ static BlockDriver bdrv_cow = { .bdrv_open = cow_open, .bdrv_close = cow_close, .bdrv_create = cow_create, + .bdrv_has_zero_init = bdrv_has_zero_init_1, .bdrv_read = cow_co_read, .bdrv_write = cow_co_write, diff --git a/block/qcow.c b/block/qcow.c index e2a64c79b1..5239bd68f1 100644 --- a/block/qcow.c +++ b/block/qcow.c @@ -892,6 +892,7 @@ static BlockDriver bdrv_qcow = { .bdrv_close = qcow_close, .bdrv_reopen_prepare = qcow_reopen_prepare, .bdrv_create = qcow_create, + .bdrv_has_zero_init = bdrv_has_zero_init_1, .bdrv_co_readv = qcow_co_readv, .bdrv_co_writev = qcow_co_writev, diff --git a/block/qcow2.c b/block/qcow2.c index 9383990193..0eceefe2cd 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -1785,6 +1785,7 @@ static BlockDriver bdrv_qcow2 = { .bdrv_close = qcow2_close, .bdrv_reopen_prepare = qcow2_reopen_prepare, .bdrv_create = qcow2_create, + .bdrv_has_zero_init = bdrv_has_zero_init_1, .bdrv_co_is_allocated = qcow2_co_is_allocated, .bdrv_set_key = qcow2_set_key, .bdrv_make_empty = qcow2_make_empty, diff --git a/block/qed.c b/block/qed.c index 4651403fef..f767b0528c 100644 --- a/block/qed.c +++ b/block/qed.c @@ -1574,6 +1574,7 @@ static BlockDriver bdrv_qed = { .bdrv_close = bdrv_qed_close, .bdrv_reopen_prepare = bdrv_qed_reopen_prepare, .bdrv_create = bdrv_qed_create, + .bdrv_has_zero_init = bdrv_has_zero_init_1, .bdrv_co_is_allocated = bdrv_qed_co_is_allocated, .bdrv_make_empty = bdrv_qed_make_empty, .bdrv_aio_readv = bdrv_qed_aio_readv, diff --git a/block/raw-posix.c b/block/raw-posix.c index 90ce9f86af..ba721d3f5b 100644 --- a/block/raw-posix.c +++ b/block/raw-posix.c @@ -1199,6 +1199,7 @@ static BlockDriver bdrv_file = { .bdrv_reopen_abort = raw_reopen_abort, .bdrv_close = raw_close, .bdrv_create = raw_create, + .bdrv_has_zero_init = bdrv_has_zero_init_1, .bdrv_co_is_allocated = raw_co_is_allocated, .bdrv_aio_readv = raw_aio_readv, @@ -1527,11 +1528,6 @@ static int hdev_create(const char *filename, QEMUOptionParameter *options) return ret; } -static int hdev_has_zero_init(BlockDriverState *bs) -{ - return 0; -} - static BlockDriver bdrv_host_device = { .format_name = "host_device", .protocol_name = "host_device", @@ -1544,7 +1540,6 @@ static BlockDriver bdrv_host_device = { .bdrv_reopen_abort = raw_reopen_abort, .bdrv_create = hdev_create, .create_options = raw_create_options, - .bdrv_has_zero_init = hdev_has_zero_init, .bdrv_aio_readv = raw_aio_readv, .bdrv_aio_writev = raw_aio_writev, @@ -1669,7 +1664,6 @@ static BlockDriver bdrv_host_floppy = { .bdrv_reopen_abort = raw_reopen_abort, .bdrv_create = hdev_create, .create_options = raw_create_options, - .bdrv_has_zero_init = hdev_has_zero_init, .bdrv_aio_readv = raw_aio_readv, .bdrv_aio_writev = raw_aio_writev, @@ -1771,7 +1765,6 @@ static BlockDriver bdrv_host_cdrom = { .bdrv_reopen_abort = raw_reopen_abort, .bdrv_create = hdev_create, .create_options = raw_create_options, - .bdrv_has_zero_init = hdev_has_zero_init, .bdrv_aio_readv = raw_aio_readv, .bdrv_aio_writev = raw_aio_writev, @@ -1893,7 +1886,6 @@ static BlockDriver bdrv_host_cdrom = { .bdrv_reopen_abort = raw_reopen_abort, .bdrv_create = hdev_create, .create_options = raw_create_options, - .bdrv_has_zero_init = hdev_has_zero_init, .bdrv_aio_readv = raw_aio_readv, .bdrv_aio_writev = raw_aio_writev, diff --git a/block/raw-win32.c b/block/raw-win32.c index 7c03b6df52..9b5b2af4e8 100644 --- a/block/raw-win32.c +++ b/block/raw-win32.c @@ -459,6 +459,7 @@ static BlockDriver bdrv_file = { .bdrv_file_open = raw_open, .bdrv_close = raw_close, .bdrv_create = raw_create, + .bdrv_has_zero_init = bdrv_has_zero_init_1, .bdrv_aio_readv = raw_aio_readv, .bdrv_aio_writev = raw_aio_writev, @@ -570,11 +571,6 @@ static int hdev_open(BlockDriverState *bs, QDict *options, int flags) return 0; } -static int hdev_has_zero_init(BlockDriverState *bs) -{ - return 0; -} - static BlockDriver bdrv_host_device = { .format_name = "host_device", .protocol_name = "host_device", @@ -582,7 +578,6 @@ static BlockDriver bdrv_host_device = { .bdrv_probe_device = hdev_probe_device, .bdrv_file_open = hdev_open, .bdrv_close = raw_close, - .bdrv_has_zero_init = hdev_has_zero_init, .bdrv_aio_readv = raw_aio_readv, .bdrv_aio_writev = raw_aio_writev, diff --git a/block/rbd.c b/block/rbd.c index 0f2608b287..cb71751218 100644 --- a/block/rbd.c +++ b/block/rbd.c @@ -996,6 +996,7 @@ static BlockDriver bdrv_rbd = { .bdrv_file_open = qemu_rbd_open, .bdrv_close = qemu_rbd_close, .bdrv_create = qemu_rbd_create, + .bdrv_has_zero_init = bdrv_has_zero_init_1, .bdrv_get_info = qemu_rbd_getinfo, .create_options = qemu_rbd_create_options, .bdrv_getlength = qemu_rbd_getlength, diff --git a/block/sheepdog.c b/block/sheepdog.c index 1b7c3f19b0..b397b5b4d3 100644 --- a/block/sheepdog.c +++ b/block/sheepdog.c @@ -2401,6 +2401,7 @@ static BlockDriver bdrv_sheepdog_unix = { .bdrv_file_open = sd_open, .bdrv_close = sd_close, .bdrv_create = sd_create, + .bdrv_has_zero_init = bdrv_has_zero_init_1, .bdrv_getlength = sd_getlength, .bdrv_truncate = sd_truncate, diff --git a/block/vdi.c b/block/vdi.c index 2662d89af6..8a915257e8 100644 --- a/block/vdi.c +++ b/block/vdi.c @@ -779,6 +779,7 @@ static BlockDriver bdrv_vdi = { .bdrv_close = vdi_close, .bdrv_reopen_prepare = vdi_reopen_prepare, .bdrv_create = vdi_create, + .bdrv_has_zero_init = bdrv_has_zero_init_1, .bdrv_co_is_allocated = vdi_co_is_allocated, .bdrv_make_empty = vdi_make_empty, diff --git a/include/block/block.h b/include/block/block.h index 2307f67b0e..dd8eca1be1 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -272,6 +272,7 @@ void bdrv_drain_all(void); int bdrv_discard(BlockDriverState *bs, int64_t sector_num, int nb_sectors); int bdrv_co_discard(BlockDriverState *bs, int64_t sector_num, int nb_sectors); +int bdrv_has_zero_init_1(BlockDriverState *bs); int bdrv_has_zero_init(BlockDriverState *bs); int bdrv_is_allocated(BlockDriverState *bs, int64_t sector_num, int nb_sectors, int *pnum); |