drivers/block/sandbox.c

37 	struct host_block_dev *host_dev = dev_get_priv(dev);  local
46 	struct host_block_dev *host_dev = find_host_device(dev);
48 	if (!host_dev)
52 	if (os_lseek(host_dev->fd, start * block_dev->blksz, OS_SEEK_SET) ==
57 	ssize_t len = os_read(host_dev->fd, buffer, blkcnt * block_dev->blksz);
68 	struct host_block_dev *host_dev = dev_get_priv(dev);  local
76 	struct host_block_dev *host_dev = find_host_device(dev);
79 	if (os_lseek(host_dev->fd, start * block_dev->blksz, OS_SEEK_SET) ==
84 	ssize_t len = os_write(host_dev->fd, buffer, blkcnt * block_dev->blksz);
93 	struct host_block_dev *host_dev;  local
141 	host_dev = dev_get_priv(dev);
142 	host_dev->fd = fd;
143 	host_dev->filename = fname;
156 	struct host_block_dev *host_dev = find_host_device(dev);  local
158 	if (!host_dev)
160 	if (host_dev->blk_dev.priv) {
161 		os_close(host_dev->fd);
162 		host_dev->blk_dev.priv = NULL;
164 	if (host_dev->filename)
165 		free(host_dev->filename);
167 		host_dev->filename = strdup(filename);
169 		host_dev->filename = NULL;
173 	host_dev->fd = os_open(host_dev->filename, OS_O_RDWR);
174 	if (host_dev->fd == -1) {
176 		       host_dev->filename);
180 	struct blk_desc *blk_dev = &host_dev->blk_dev;
182 	blk_dev->priv = host_dev;
184 	blk_dev->lba = os_lseek(host_dev->fd, 0, OS_SEEK_END) / blk_dev->blksz;
206 	struct host_block_dev *host_dev = find_host_device(devnum);
208 	if (!host_dev)
211 	if (!host_dev->blk_dev.priv)
214 	*blk_devp = &host_dev->blk_dev;