diff options
Diffstat (limited to 'sysfs.c')
| -rw-r--r-- | sysfs.c | 66 |
1 files changed, 0 insertions, 66 deletions
@@ -803,72 +803,6 @@ int sysfs_add_disk(struct mdinfo *sra, struct mdinfo *sd, int resume) return rv; } -#if 0 -int sysfs_disk_to_sg(int fd) -{ - /* from an open block device, try find and open its corresponding - * scsi_generic interface - */ - struct stat st; - char path[256]; - char sg_path[256]; - char sg_major_minor[10]; - char *c; - DIR *dir; - struct dirent *de; - int major, minor, rv; - - if (fstat(fd, &st)) - return -1; - - snprintf(path, sizeof(path), "/sys/dev/block/%d:%d/device", - major(st.st_rdev), minor(st.st_rdev)); - - dir = opendir(path); - if (!dir) - return -1; - - de = readdir(dir); - while (de) { - if (strncmp("scsi_generic:", de->d_name, - strlen("scsi_generic:")) == 0) - break; - de = readdir(dir); - } - closedir(dir); - - if (!de) - return -1; - - snprintf(sg_path, sizeof(sg_path), "%s/%s/dev", path, de->d_name); - fd = open(sg_path, O_RDONLY); - if (fd < 0) - return fd; - - rv = read(fd, sg_major_minor, sizeof(sg_major_minor)); - close(fd); - if (rv < 0 || rv == sizeof(sg_major_minor)) - return -1; - else - sg_major_minor[rv - 1] = '\0'; - - c = strchr(sg_major_minor, ':'); - *c = '\0'; - c++; - major = strtol(sg_major_minor, NULL, 10); - minor = strtol(c, NULL, 10); - snprintf(path, sizeof(path), "/dev/.tmp.md.%d:%d:%d", - (int) getpid(), major, minor); - if (mknod(path, S_IFCHR|0600, makedev(major, minor))==0) { - fd = open(path, O_RDONLY); - unlink(path); - return fd; - } - - return -1; -} -#endif - int sysfs_disk_to_scsi_id(int fd, __u32 *id) { /* from an open block device, try to retrieve it scsi_id */ |