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| author | Kevin Wolf <kwolf@redhat.com> | 2010-07-28 11:26:29 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2010-08-03 15:57:22 +0200 |
| commit | 336c1c12551ff0a6e1a2af226d6cbdbadd2e02b5 (patch) | |
| tree | 0f5945db7be86283562c5d86abf3eb36cb4d695c /block | |
| parent | bd0858bb460c0c134e9a62c73e60e465037b1240 (diff) | |
| download | qemu-336c1c12551ff0a6e1a2af226d6cbdbadd2e02b5.zip qemu-336c1c12551ff0a6e1a2af226d6cbdbadd2e02b5.tar.gz qemu-336c1c12551ff0a6e1a2af226d6cbdbadd2e02b5.tar.bz2 | |
block: Fix bdrv_has_zero_init
Assuming that any image on a block device is not properly zero-initialized is
actually wrong: Only raw images have this problem. Any other image format
shouldn't care about it, they initialize everything properly themselves.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/raw-posix.c | 13 | ||||
| -rw-r--r-- | block/raw-win32.c | 6 | ||||
| -rw-r--r-- | block/raw.c | 6 |
3 files changed, 21 insertions, 4 deletions
diff --git a/block/raw-posix.c b/block/raw-posix.c index a11170e..72fb8ce 100644 --- a/block/raw-posix.c +++ b/block/raw-posix.c @@ -993,6 +993,11 @@ 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", @@ -1002,7 +1007,7 @@ static BlockDriver bdrv_host_device = { .bdrv_close = raw_close, .bdrv_create = hdev_create, .create_options = raw_create_options, - .no_zero_init = 1, + .bdrv_has_zero_init = hdev_has_zero_init, .bdrv_flush = raw_flush, .bdrv_aio_readv = raw_aio_readv, @@ -1117,7 +1122,7 @@ static BlockDriver bdrv_host_floppy = { .bdrv_close = raw_close, .bdrv_create = hdev_create, .create_options = raw_create_options, - .no_zero_init = 1, + .bdrv_has_zero_init = hdev_has_zero_init, .bdrv_flush = raw_flush, .bdrv_aio_readv = raw_aio_readv, @@ -1217,7 +1222,7 @@ static BlockDriver bdrv_host_cdrom = { .bdrv_close = raw_close, .bdrv_create = hdev_create, .create_options = raw_create_options, - .no_zero_init = 1, + .bdrv_has_zero_init = hdev_has_zero_init, .bdrv_flush = raw_flush, .bdrv_aio_readv = raw_aio_readv, @@ -1340,7 +1345,7 @@ static BlockDriver bdrv_host_cdrom = { .bdrv_close = raw_close, .bdrv_create = hdev_create, .create_options = raw_create_options, - .no_zero_init = 1, + .bdrv_has_zero_init = hdev_has_zero_init, .bdrv_flush = raw_flush, .bdrv_aio_readv = raw_aio_readv, diff --git a/block/raw-win32.c b/block/raw-win32.c index 745bbde..503ed39 100644 --- a/block/raw-win32.c +++ b/block/raw-win32.c @@ -394,6 +394,11 @@ static int raw_set_locked(BlockDriverState *bs, int locked) } #endif +static int hdev_has_zero_init(BlockDriverState *bs) +{ + return 0; +} + static BlockDriver bdrv_host_device = { .format_name = "host_device", .protocol_name = "host_device", @@ -402,6 +407,7 @@ static BlockDriver bdrv_host_device = { .bdrv_file_open = hdev_open, .bdrv_close = raw_close, .bdrv_flush = raw_flush, + .bdrv_has_zero_init = hdev_has_zero_init, .bdrv_read = raw_read, .bdrv_write = raw_write, diff --git a/block/raw.c b/block/raw.c index 1414e77..61e6748 100644 --- a/block/raw.c +++ b/block/raw.c @@ -237,6 +237,11 @@ static QEMUOptionParameter raw_create_options[] = { { NULL } }; +static int raw_has_zero_init(BlockDriverState *bs) +{ + return bdrv_has_zero_init(bs->file); +} + static BlockDriver bdrv_raw = { .format_name = "raw", @@ -264,6 +269,7 @@ static BlockDriver bdrv_raw = { .bdrv_create = raw_create, .create_options = raw_create_options, + .bdrv_has_zero_init = raw_has_zero_init, }; static void bdrv_raw_init(void) |