diff options
Diffstat (limited to 'extras/multipath/unused.c')
-rw-r--r-- | extras/multipath/unused.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/extras/multipath/unused.c b/extras/multipath/unused.c new file mode 100644 index 0000000000..33b3e859d1 --- /dev/null +++ b/extras/multipath/unused.c @@ -0,0 +1,78 @@ +static int +do_tur(int fd) +{ + unsigned char turCmdBlk[TUR_CMD_LEN] = { 0x00, 0, 0, 0, 0, 0 }; + struct sg_io_hdr io_hdr; + unsigned char sense_buffer[32]; + + memset(&io_hdr, 0, sizeof (struct sg_io_hdr)); + io_hdr.interface_id = 'S'; + io_hdr.cmd_len = sizeof (turCmdBlk); + io_hdr.mx_sb_len = sizeof (sense_buffer); + io_hdr.dxfer_direction = SG_DXFER_NONE; + io_hdr.cmdp = turCmdBlk; + io_hdr.sbp = sense_buffer; + io_hdr.timeout = 20000; + io_hdr.pack_id = 0; + if (ioctl(fd, SG_IO, &io_hdr) < 0) { + close(fd); + return 0; + } + if (io_hdr.info & SG_INFO_OK_MASK) { + return 0; + } + return 1; +} + +static int +del_map(char * str) { + struct dm_task *dmt; + + if (!(dmt = dm_task_create(DM_DEVICE_REMOVE))) + return 0; + if (!dm_task_set_name(dmt, str)) + goto delout; + if (!dm_task_run(dmt)) + goto delout; + + printf("Deleted device map : %s\n", str); + + delout: + dm_task_destroy(dmt); + return 1; +} + +get_table(const char * str) +{ + int r = 0; + struct dm_task *dmt; + void *next = NULL; + uint64_t start, length; + char *target_type = NULL; + char *params; + + if (!(dmt = dm_task_create(DM_DEVICE_TABLE))) + return 0; + + if (!dm_task_set_name(dmt, str)) + goto out; + + if (!dm_task_run(dmt)) + goto out; + + do { + next = dm_get_next_target(dmt, next, &start, &length, + &target_type, ¶ms); + if (target_type) { + printf("%" PRIu64 " %" PRIu64 " %s %s\n", + start, length, target_type, params); + } + } while (next); + + r = 1; + + out: + dm_task_destroy(dmt); + return r; + +} |