#include <lprocfs_status.h>
#include <lu_time.h>
#include "mdt_internal.h"
+#include <lnet/lib-lnet.h>
static const char *mdt_proc_names[LPROC_MDT_NR] = {
};
int mdt_procfs_init(struct mdt_device *mdt, const char *name)
{
struct lu_device *ld = &mdt->mdt_md_dev.md_lu_dev;
- int result;
+ struct obd_device *obd = ld->ld_obd;
+ struct lprocfs_static_vars lvars;
+ int rc;
ENTRY;
LASSERT(name != NULL);
- mdt->mdt_proc_entry = ld->ld_obd->obd_proc_entry;
+
+ lprocfs_mdt_init_vars(&lvars);
+ rc = lprocfs_obd_setup(obd, lvars.obd_vars);
+ if (rc) {
+ CERROR("Can't init lprocfs, rc %d\n", rc);
+ return rc;
+ }
+ ptlrpc_lprocfs_register_obd(obd);
+
+ mdt->mdt_proc_entry = obd->obd_proc_entry;
LASSERT(mdt->mdt_proc_entry != NULL);
- result = lu_time_init(&mdt->mdt_stats, mdt->mdt_proc_entry,
- mdt_proc_names, ARRAY_SIZE(mdt_proc_names));
- if (result == 0)
- result = lu_time_named_init(&ld->ld_site->ls_time_stats,
- "site_time", mdt->mdt_proc_entry,
- lu_time_names,
- ARRAY_SIZE(lu_time_names));
- RETURN(result);
+ rc = lu_time_init(&mdt->mdt_stats, mdt->mdt_proc_entry,
+ mdt_proc_names, ARRAY_SIZE(mdt_proc_names));
+ if (rc == 0)
+ rc = lu_time_named_init(&ld->ld_site->ls_time_stats,
+ "site_time", mdt->mdt_proc_entry,
+ lu_time_names,
+ ARRAY_SIZE(lu_time_names));
+ if (rc)
+ return rc;
+
+ obd->obd_proc_exports_entry = proc_mkdir("exports",
+ obd->obd_proc_entry);
+ if (obd->obd_proc_exports_entry)
+ lprocfs_add_simple(obd->obd_proc_exports_entry,
+ "clear", lprocfs_nid_stats_clear_read,
+ lprocfs_nid_stats_clear_write, obd, NULL);
+ rc = lprocfs_alloc_md_stats(obd, LPROC_MDT_NR);
+
+ RETURN(rc);
}
int mdt_procfs_fini(struct mdt_device *mdt)
{
struct lu_device *ld = &mdt->mdt_md_dev.md_lu_dev;
- lu_time_fini(&ld->ld_site->ls_time_stats);
- lu_time_fini(&mdt->mdt_stats);
- mdt->mdt_proc_entry = NULL;
+ struct obd_device *obd = ld->ld_obd;
+
+ if (mdt->mdt_proc_entry) {
+ lu_time_fini(&ld->ld_site->ls_time_stats);
+ lu_time_fini(&mdt->mdt_stats);
+ mdt->mdt_proc_entry = NULL;
+ }
+ if (obd->obd_proc_exports_entry) {
+ lprocfs_remove_proc_entry("clear", obd->obd_proc_exports_entry);
+ obd->obd_proc_exports_entry = NULL;
+ }
+ ptlrpc_lprocfs_unregister_obd(obd);
+ lprocfs_free_md_stats(obd);
+ lprocfs_obd_cleanup(obd);
+
RETURN(0);
}
*eof = 1;
return snprintf(page, count, "%lu\n",
- mdt->mdt_identity_cache->uc_entry_expire / HZ);
+ mdt->mdt_identity_cache->uc_entry_expire / CFS_HZ);
}
static int lprocfs_wr_identity_expire(struct file *file, const char *buffer,
if (rc)
return rc;
- mdt->mdt_identity_cache->uc_entry_expire = val * HZ;
+ mdt->mdt_identity_cache->uc_entry_expire = val * CFS_HZ;
return count;
}
*eof = 1;
return snprintf(page, count, "%lu\n",
- mdt->mdt_identity_cache->uc_acquire_expire / HZ);
+ mdt->mdt_identity_cache->uc_acquire_expire / CFS_HZ);
}
static int lprocfs_wr_identity_acquire_expire(struct file *file,
if (rc)
return rc;
- mdt->mdt_identity_cache->uc_acquire_expire = val * HZ;
+ mdt->mdt_identity_cache->uc_acquire_expire = val * CFS_HZ;
return count;
}
int len;
*eof = 1;
- read_lock(&hash->uc_upcall_rwlock);
+ cfs_read_lock(&hash->uc_upcall_rwlock);
len = snprintf(page, count, "%s\n", hash->uc_upcall);
- read_unlock(&hash->uc_upcall_rwlock);
+ cfs_read_unlock(&hash->uc_upcall_rwlock);
return len;
}
return -EINVAL;
}
- if (copy_from_user(kernbuf, buffer, min_t(unsigned long, count,
- UC_CACHE_UPCALL_MAXPATH - 1)))
+ if (cfs_copy_from_user(kernbuf, buffer,
+ min_t(unsigned long, count,
+ UC_CACHE_UPCALL_MAXPATH - 1)))
return -EFAULT;
/* Remove any extraneous bits from the upcall (e.g. linefeeds) */
- write_lock(&hash->uc_upcall_rwlock);
+ cfs_write_lock(&hash->uc_upcall_rwlock);
sscanf(kernbuf, "%s", hash->uc_upcall);
- write_unlock(&hash->uc_upcall_rwlock);
+ cfs_write_unlock(&hash->uc_upcall_rwlock);
if (strcmp(hash->uc_name, obd->obd_name) != 0)
CWARN("%s: write to upcall name %s\n",
return count;
}
- if (copy_from_user(&sparam, buffer, sizeof(sparam))) {
+ if (cfs_copy_from_user(&sparam, buffer, sizeof(sparam))) {
CERROR("%s: bad identity data\n", obd->obd_name);
GOTO(out, rc = -EFAULT);
}
sparam.idd_uid, sparam.idd_ngroups);
param = &sparam;
param->idd_ngroups = 0;
- } else if (copy_from_user(param, buffer, size)) {
+ } else if (cfs_copy_from_user(param, buffer, size)) {
CERROR("%s: uid %u bad supplementary group data\n",
obd->obd_name, sparam.idd_uid);
OBD_FREE(param, size);
return count;
}
+static int lprocfs_rd_root_squash(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ ENTRY;
+
+ return snprintf(page, count, "%u:%u\n", mdt->mdt_squash_uid,
+ mdt->mdt_squash_gid);
+}
+
+static int safe_strtoul(const char *str, char **endp, unsigned long *res)
+{
+ char n[24];
+
+ *res = simple_strtoul(str, endp, 0);
+ if (str == *endp)
+ return 1;
+
+ sprintf(n, "%lu", *res);
+ if (strncmp(n, str, *endp - str))
+ /* overflow */
+ return 1;
+ return 0;
+}
+
+static int lprocfs_wr_root_squash(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ int rc;
+ char kernbuf[50], *tmp, *end, *errmsg;
+ unsigned long uid, gid;
+ int nouid, nogid;
+ ENTRY;
+
+ if (count >= sizeof(kernbuf)) {
+ errmsg = "string too long";
+ GOTO(failed, rc = -EINVAL);
+ }
+ if (cfs_copy_from_user(kernbuf, buffer, count)) {
+ errmsg = "bad address";
+ GOTO(failed, rc = -EFAULT);
+ }
+ kernbuf[count] = '\0';
+
+ nouid = nogid = 0;
+ if (safe_strtoul(buffer, &tmp, &uid)) {
+ uid = mdt->mdt_squash_uid;
+ nouid = 1;
+ }
+
+ /* skip ':' */
+ if (*tmp == ':') {
+ tmp++;
+ if (safe_strtoul(tmp, &end, &gid)) {
+ gid = mdt->mdt_squash_gid;
+ nogid = 1;
+ }
+ } else {
+ gid = mdt->mdt_squash_gid;
+ nogid = 1;
+ }
+
+ mdt->mdt_squash_uid = uid;
+ mdt->mdt_squash_gid = gid;
+
+ if (nouid && nogid) {
+ errmsg = "needs uid:gid format";
+ GOTO(failed, rc = -EINVAL);
+ }
+
+ LCONSOLE_INFO("%s: root_squash is set to %u:%u\n",
+ obd->obd_name,
+ mdt->mdt_squash_uid, mdt->mdt_squash_gid);
+ RETURN(count);
+
+ failed:
+ CWARN("%s: failed to set root_squash to \"%s\", %s: rc %d\n",
+ obd->obd_name, buffer, errmsg, rc);
+ RETURN(rc);
+}
+
+static int lprocfs_rd_nosquash_nids(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+
+ if (mdt->mdt_nosquash_str)
+ return snprintf(page, count, "%s\n", mdt->mdt_nosquash_str);
+ return snprintf(page, count, "NONE\n");
+}
+
+static int lprocfs_wr_nosquash_nids(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ int rc;
+ char *kernbuf, *errmsg;
+ cfs_list_t tmp;
+ ENTRY;
+
+ OBD_ALLOC(kernbuf, count + 1);
+ if (kernbuf == NULL) {
+ errmsg = "no memory";
+ GOTO(failed, rc = -ENOMEM);
+ }
+ if (cfs_copy_from_user(kernbuf, buffer, count)) {
+ errmsg = "bad address";
+ GOTO(failed, rc = -EFAULT);
+ }
+ kernbuf[count] = '\0';
+
+ if (!strcmp(kernbuf, "NONE") || !strcmp(kernbuf, "clear")) {
+ /* empty string is special case */
+ cfs_down_write(&mdt->mdt_squash_sem);
+ if (!cfs_list_empty(&mdt->mdt_nosquash_nids)) {
+ cfs_free_nidlist(&mdt->mdt_nosquash_nids);
+ OBD_FREE(mdt->mdt_nosquash_str,
+ mdt->mdt_nosquash_strlen);
+ mdt->mdt_nosquash_str = NULL;
+ mdt->mdt_nosquash_strlen = 0;
+ }
+ cfs_up_write(&mdt->mdt_squash_sem);
+ LCONSOLE_INFO("%s: nosquash_nids is cleared\n",
+ obd->obd_name);
+ OBD_FREE(kernbuf, count + 1);
+ RETURN(count);
+ }
+
+ CFS_INIT_LIST_HEAD(&tmp);
+ if (cfs_parse_nidlist(kernbuf, count, &tmp) <= 0) {
+ errmsg = "can't parse";
+ GOTO(failed, rc = -EINVAL);
+ }
+
+ cfs_down_write(&mdt->mdt_squash_sem);
+ if (!cfs_list_empty(&mdt->mdt_nosquash_nids)) {
+ cfs_free_nidlist(&mdt->mdt_nosquash_nids);
+ OBD_FREE(mdt->mdt_nosquash_str, mdt->mdt_nosquash_strlen);
+ }
+ mdt->mdt_nosquash_str = kernbuf;
+ mdt->mdt_nosquash_strlen = count + 1;
+ cfs_list_splice(&tmp, &mdt->mdt_nosquash_nids);
+
+ LCONSOLE_INFO("%s: nosquash_nids is set to %s\n",
+ obd->obd_name, kernbuf);
+ cfs_up_write(&mdt->mdt_squash_sem);
+ RETURN(count);
+
+ failed:
+ CWARN("%s: failed to set nosquash_nids to \"%s\", %s: rc %d\n",
+ obd->obd_name, kernbuf, errmsg, rc);
+ if (kernbuf)
+ OBD_FREE(kernbuf, count + 1);
+ RETURN(rc);
+}
+
+static int lprocfs_rd_mdt_som(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+
+ return snprintf(page, count, "%sabled\n",
+ mdt->mdt_som_conf ? "en" : "dis");
+}
+
+static int lprocfs_wr_mdt_som(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_export *exp;
+ struct obd_device *obd = data;
+ struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
+ char kernbuf[16];
+ unsigned long val = 0;
+
+ if (count > (sizeof(kernbuf) - 1))
+ return -EINVAL;
+
+ if (cfs_copy_from_user(kernbuf, buffer, count))
+ return -EFAULT;
+
+ kernbuf[count] = '\0';
+
+ if (!strcmp(kernbuf, "enabled"))
+ val = 1;
+ else if (strcmp(kernbuf, "disabled"))
+ return -EINVAL;
+
+ if (mdt->mdt_som_conf == val)
+ return count;
+
+ if (!obd->obd_process_conf) {
+ CERROR("Temporary SOM change is not supported, use lctl "
+ "conf_param for permanent setting\n");
+ return count;
+ }
+
+ /* 1 stands for self export. */
+ cfs_list_for_each_entry(exp, &obd->obd_exports, exp_obd_chain) {
+ if (exp == obd->obd_self_export)
+ continue;
+ if (exp->exp_connect_flags & OBD_CONNECT_MDS_MDS)
+ continue;
+ /* Some clients are already connected, skip the change */
+ LCONSOLE_INFO("%s is already connected, SOM will be %s on "
+ "the next mount\n", exp->exp_client_uuid.uuid,
+ val ? "enabled" : "disabled");
+ return count;
+ }
+
+ mdt->mdt_som_conf = val;
+ LCONSOLE_INFO("Enabling SOM\n");
+
+ return count;
+}
+
+/* Temporary; for testing purposes only */
+static int lprocfs_mdt_wr_mdc(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ struct obd_export *exp = NULL;
+ struct obd_uuid uuid;
+ char tmpbuf[sizeof(struct obd_uuid)];
+
+ sscanf(buffer, "%40s", tmpbuf);
+
+ obd_str2uuid(&uuid, tmpbuf);
+ exp = cfs_hash_lookup(obd->obd_uuid_hash, &uuid);
+ if (exp == NULL) {
+ CERROR("%s: no export %s found\n",
+ obd->obd_name, obd_uuid2str(&uuid));
+ } else {
+ mdt_hsm_copytool_send(exp);
+ class_export_put(exp);
+ }
+
+ return count;
+}
+
static struct lprocfs_vars lprocfs_mdt_obd_vars[] = {
{ "uuid", lprocfs_rd_uuid, 0, 0 },
{ "recovery_status", lprocfs_obd_rd_recovery_status, 0, 0 },
{ "sec_level", lprocfs_rd_sec_level,
lprocfs_wr_sec_level, 0 },
{ "commit_on_sharing", lprocfs_rd_cos, lprocfs_wr_cos, 0 },
+ { "root_squash", lprocfs_rd_root_squash,
+ lprocfs_wr_root_squash, 0 },
+ { "nosquash_nids", lprocfs_rd_nosquash_nids,
+ lprocfs_wr_nosquash_nids, 0 },
+ { "som", lprocfs_rd_mdt_som,
+ lprocfs_wr_mdt_som, 0 },
+ { "mdccomm", 0, lprocfs_mdt_wr_mdc, 0 },
{ 0 }
};
git://git.whamcloud.com / fs / lustre-release.git / blobdiff