52 bread(struct uufsd *disk, ufs2_daddr_t blockno, void *data, size_t size)  in bread()  argument
57 	ERROR(disk, NULL);  in bread()
61 		ERROR(disk, "allocate bounce buffer");  in bread()
64 	cnt = pread(disk->d_fd, p2, size, (off_t)(blockno * disk->d_bsize));  in bread()
66 		ERROR(disk, "read error from block device");  in bread()
70 		ERROR(disk, "end of file from block device");  in bread()
74 		ERROR(disk, "short read or read error from block device");  in bread()
90 bwrite(struct uufsd *disk, ufs2_daddr_t blockno, const void *data, size_t size)  in bwrite()  argument
96 	ERROR(disk, NULL);  in bwrite()
98 	rv = ufs_disk_write(disk);  in bwrite()
100 		ERROR(disk, "failed to open disk for writing");  in bwrite()
105 		ERROR(disk, "allocate bounce buffer");  in bwrite()
110 	cnt = pwrite(disk->d_fd, p2, size, (off_t)(blockno * disk->d_bsize));  in bwrite()
114 		ERROR(disk, "write error to block device");  in bwrite()
118 		ERROR(disk, "short write to block device");  in bwrite()
127 berase_helper(struct uufsd *disk, ufs2_daddr_t blockno, ufs2_daddr_t size)  in berase_helper()  argument
131 	ioarg[0] = blockno * disk->d_bsize;  in berase_helper()
133 	return (ioctl(disk->d_fd, DIOCGDELETE, ioarg));  in berase_helper()
139 berase_helper(struct uufsd *disk, ufs2_daddr_t blockno, ufs2_daddr_t size)  in berase_helper()  argument
145 	offset = blockno * disk->d_bsize;  in berase_helper()
146 	zero_chunk_size = 65536 * disk->d_bsize;  in berase_helper()
149 		ERROR(disk, "failed to allocate memory");  in berase_helper()
156 		rv = pwrite(disk->d_fd, zero_chunk, pwrite_size, offset);  in berase_helper()
158 			ERROR(disk, "failed writing to disk");  in berase_helper()
172 berase(struct uufsd *disk, ufs2_daddr_t blockno, ufs2_daddr_t size)  in berase()  argument
176 	ERROR(disk, NULL);  in berase()
177 	rv = ufs_disk_write(disk);  in berase()
179 		ERROR(disk, "failed to open disk for writing");  in berase()
182 	return (berase_helper(disk, blockno, size));  in berase()