#include <lnet/lnetctl.h>
#include <lustre/lustreapi.h>
#include <lustre_param.h>
+#include <lustre/lustre_barrier_user.h>
#define MAX_STRING_SIZE 128
return rc;
}
+static const char *barrier_status2name(enum barrier_status status)
+{
+ switch (status) {
+ case BS_INIT:
+ return "init";
+ case BS_FREEZING_P1:
+ return "freezing_p1";
+ case BS_FREEZING_P2:
+ return "freezing_p2";
+ case BS_FROZEN:
+ return "frozen";
+ case BS_THAWING:
+ return "thawing";
+ case BS_THAWED:
+ return "thawed";
+ case BS_FAILED:
+ return "failed";
+ case BS_EXPIRED:
+ return "expired";
+ case BS_RESCAN:
+ return "rescan";
+ default:
+ return "unknown";
+ }
+}
+
+int jt_barrier_freeze(int argc, char **argv)
+{
+ struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
+ struct barrier_ctl bc;
+ int rc;
+
+ if (argc < 2 || argc > 3)
+ return CMD_HELP;
+
+ memset(&data, 0, sizeof(data));
+ rc = data.ioc_dev = get_mgs_device();
+ if (rc < 0)
+ return rc;
+
+ memset(&bc, 0, sizeof(bc));
+ bc.bc_version = BARRIER_VERSION_V1;
+ bc.bc_cmd = BC_FREEZE;
+ if (argc == 3)
+ bc.bc_timeout = atoi(argv[2]);
+ if (bc.bc_timeout == 0)
+ bc.bc_timeout = BARRIER_TIMEOUT_DEFAULT;
+
+ if (strlen(argv[1]) > 8) {
+ fprintf(stderr, "%s: fsname name %s is too long. "
+ "It should not exceed 8.\n", argv[0], argv[1]);
+ return -EINVAL;
+ }
+
+ strncpy(bc.bc_name, argv[1], sizeof(bc.bc_name));
+ data.ioc_inlbuf1 = (char *)&bc;
+ data.ioc_inllen1 = sizeof(bc);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
+ return rc;
+ }
+
+ rc = l_ioctl(OBD_DEV_ID, OBD_IOC_BARRIER, buf);
+ if (rc < 0)
+ fprintf(stderr, "Fail to freeze barrier for %s: %s\n",
+ argv[1], strerror(errno));
+
+ return rc;
+}
+
+int jt_barrier_thaw(int argc, char **argv)
+{
+ struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
+ struct barrier_ctl bc;
+ int rc;
+
+ if (argc != 2)
+ return CMD_HELP;
+
+ memset(&data, 0, sizeof(data));
+ rc = data.ioc_dev = get_mgs_device();
+ if (rc < 0)
+ return rc;
+
+ memset(&bc, 0, sizeof(bc));
+ bc.bc_version = BARRIER_VERSION_V1;
+ bc.bc_cmd = BC_THAW;
+
+ if (strlen(argv[1]) > 8) {
+ fprintf(stderr, "fsname name %s is too long. "
+ "It should not exceed 8.\n", argv[1]);
+ return -EINVAL;
+ }
+
+ strncpy(bc.bc_name, argv[1], sizeof(bc.bc_name));
+ data.ioc_inlbuf1 = (char *)&bc;
+ data.ioc_inllen1 = sizeof(bc);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
+ return rc;
+ }
+
+ rc = l_ioctl(OBD_DEV_ID, OBD_IOC_BARRIER, buf);
+ if (rc < 0)
+ fprintf(stderr, "Fail to thaw barrier for %s: %s\n",
+ argv[1], strerror(errno));
+
+ return rc;
+}
+
+int jt_barrier_stat(int argc, char **argv)
+{
+ struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
+ struct barrier_ctl bc;
+ int rc;
+
+ if (argc != 2)
+ return CMD_HELP;
+
+ memset(&data, 0, sizeof(data));
+ rc = data.ioc_dev = get_mgs_device();
+ if (rc < 0)
+ return rc;
+
+ memset(&bc, 0, sizeof(bc));
+ bc.bc_version = BARRIER_VERSION_V1;
+ bc.bc_cmd = BC_STAT;
+
+ if (strlen(argv[1]) > 8) {
+ fprintf(stderr, "fsname name %s is too long. "
+ "It should not exceed 8.\n", argv[1]);
+ return -EINVAL;
+ }
+
+ strncpy(bc.bc_name, argv[1], sizeof(bc.bc_name));
+ data.ioc_inlbuf1 = (char *)&bc;
+ data.ioc_inllen1 = sizeof(bc);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
+ return rc;
+ }
+
+ rc = l_ioctl(OBD_DEV_ID, OBD_IOC_BARRIER, buf);
+ if (rc < 0) {
+ fprintf(stderr, "Fail to query barrier for %s: %s\n",
+ argv[1], strerror(errno));
+ } else {
+ obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
+ printf("The barrier for %s is in '%s'\n",
+ argv[1], barrier_status2name(bc.bc_status));
+ if (bc.bc_status == BS_FREEZING_P1 ||
+ bc.bc_status == BS_FREEZING_P2 ||
+ bc.bc_status == BS_FROZEN)
+ printf("The barrier will be expired after %d "
+ "seconds\n", bc.bc_timeout);
+ }
+
+ return rc;
+}
+
+int jt_barrier_rescan(int argc, char **argv)
+{
+ struct obd_ioctl_data data;
+ char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
+ struct barrier_ctl bc;
+ int rc;
+
+ if (argc < 2 || argc > 3)
+ return CMD_HELP;
+
+ memset(&data, 0, sizeof(data));
+ rc = data.ioc_dev = get_mgs_device();
+ if (rc < 0)
+ return rc;
+
+ memset(&bc, 0, sizeof(bc));
+ bc.bc_version = BARRIER_VERSION_V1;
+ bc.bc_cmd = BC_RESCAN;
+ if (argc == 3)
+ bc.bc_timeout = atoi(argv[2]);
+ if (bc.bc_timeout == 0)
+ bc.bc_timeout = BARRIER_TIMEOUT_DEFAULT;
+
+ if (strlen(argv[1]) > 8) {
+ fprintf(stderr, "fsname name %s is too long. "
+ "It should not exceed 8.\n", argv[1]);
+ return -EINVAL;
+ }
+
+ strncpy(bc.bc_name, argv[1], sizeof(bc.bc_name));
+ data.ioc_inlbuf1 = (char *)&bc;
+ data.ioc_inllen1 = sizeof(bc);
+ memset(buf, 0, sizeof(rawbuf));
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
+ return rc;
+ }
+
+ rc = l_ioctl(OBD_DEV_ID, OBD_IOC_BARRIER, buf);
+ if (rc < 0) {
+ fprintf(stderr, "Fail to rescan barrier bitmap for %s: %s\n",
+ argv[1], strerror(errno));
+ } else {
+ obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
+ printf("%u of %u MDT(s) in the filesystem %s are inactive\n",
+ bc.bc_absence, bc.bc_total, argv[1]);
+ }
+
+ return rc;
+}
+
int jt_get_obj_version(int argc, char **argv)
{
struct lu_fid fid;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff