The generic fallback implementation effectively does the same.
Reviewed-by: Maxim Levitsky <mlevi...@redhat.com>
Signed-off-by: Max Reitz <mre...@redhat.com>
Message-Id: <20200122164532.178040-4-mre...@redhat.com>
Signed-off-by: Max Reitz <mre...@redhat.com>
---
block/file-posix.c | 67 ----------------------------------------------
1 file changed, 67 deletions(-)
diff --git a/block/file-posix.c b/block/file-posix.c
index ab82ee1a67..6345477112 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -3477,67 +3477,6 @@ static coroutine_fn int
hdev_co_pwrite_zeroes(BlockDriverState *bs,
return raw_do_pwrite_zeroes(bs, offset, bytes, flags, true);
}
-static int coroutine_fn hdev_co_create_opts(const char *filename, QemuOpts
*opts,
- Error **errp)
-{
- int fd;
- int ret = 0;
- struct stat stat_buf;
- int64_t total_size = 0;
- bool has_prefix;
-
- /* This function is used by both protocol block drivers and therefore
either
- * of these prefixes may be given.
- * The return value has to be stored somewhere, otherwise this is an error
- * due to -Werror=unused-value. */
- has_prefix =
- strstart(filename, "host_device:", &filename) ||
- strstart(filename, "host_cdrom:" , &filename);
-
- (void)has_prefix;
-
- ret = raw_normalize_devicepath(&filename, errp);
- if (ret < 0) {
- return ret;
- }
-
- /* Read out options */
- total_size = ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0),
- BDRV_SECTOR_SIZE);
-
- fd = qemu_open(filename, O_WRONLY | O_BINARY);
- if (fd < 0) {
- ret = -errno;
- error_setg_errno(errp, -ret, "Could not open device");
- return ret;
- }
-
- if (fstat(fd, &stat_buf) < 0) {
- ret = -errno;
- error_setg_errno(errp, -ret, "Could not stat device");
- } else if (!S_ISBLK(stat_buf.st_mode) && !S_ISCHR(stat_buf.st_mode)) {
- error_setg(errp,
- "The given file is neither a block nor a character device");
- ret = -ENODEV;
- } else if (lseek(fd, 0, SEEK_END) < total_size) {
- error_setg(errp, "Device is too small");
- ret = -ENOSPC;
- }
-
- if (!ret && total_size) {
- uint8_t buf[BDRV_SECTOR_SIZE] = { 0 };
- int64_t zero_size = MIN(BDRV_SECTOR_SIZE, total_size);
- if (lseek(fd, 0, SEEK_SET) == -1) {
- ret = -errno;
- } else {
- ret = qemu_write_full(fd, buf, zero_size);
- ret = ret == zero_size ? 0 : -errno;
- }
- }
- qemu_close(fd);
- return ret;
-}
-
static BlockDriver bdrv_host_device = {
.format_name = "host_device",
.protocol_name = "host_device",
@@ -3550,8 +3489,6 @@ static BlockDriver bdrv_host_device = {
.bdrv_reopen_prepare = raw_reopen_prepare,
.bdrv_reopen_commit = raw_reopen_commit,
.bdrv_reopen_abort = raw_reopen_abort,
- .bdrv_co_create_opts = hdev_co_create_opts,
- .create_opts = &raw_create_opts,
.mutable_opts = mutable_opts,
.bdrv_co_invalidate_cache = raw_co_invalidate_cache,
.bdrv_co_pwrite_zeroes = hdev_co_pwrite_zeroes,
@@ -3678,8 +3615,6 @@ static BlockDriver bdrv_host_cdrom = {
.bdrv_reopen_prepare = raw_reopen_prepare,
.bdrv_reopen_commit = raw_reopen_commit,
.bdrv_reopen_abort = raw_reopen_abort,
- .bdrv_co_create_opts = hdev_co_create_opts,
- .create_opts = &raw_create_opts,
.mutable_opts = mutable_opts,
.bdrv_co_invalidate_cache = raw_co_invalidate_cache,
@@ -3812,8 +3747,6 @@ static BlockDriver bdrv_host_cdrom = {
.bdrv_reopen_prepare = raw_reopen_prepare,
.bdrv_reopen_commit = raw_reopen_commit,
.bdrv_reopen_abort = raw_reopen_abort,
- .bdrv_co_create_opts = hdev_co_create_opts,
- .create_opts = &raw_create_opts,
.mutable_opts = mutable_opts,
.bdrv_co_preadv = raw_co_preadv,
--
2.24.1
