*/
#define DEBUG_SUBSYSTEM S_CLASS
-#include <linux/lustre_lite.h>
-#include <linux/lustre_fsfilt.h>
+#include <linux/version.h>
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
+#include <asm/statfs.h>
+#endif
+#include <linux/obd.h>
+#include <linux/obd_class.h>
#include <linux/lprocfs_status.h>
+#include "mds_internal.h"
-int rd_uuid(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+#ifndef LPROCFS
+
+struct lprocfs_vars lprocfs_mds_obd_vars[] = { {0} };
+struct lprocfs_vars lprocfs_mds_module_vars[] = { {0} };
+struct lprocfs_vars lprocfs_mdt_obd_vars[] = { {0} };
+struct lprocfs_vars lprocfs_mdt_module_vars[] = { {0} };
+
+#else
+
+static int lprocfs_mds_rd_mntdev(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
{
- struct obd_device* temp = (struct obd_device*)data;
- return snprintf(page, count, "%s\n", temp->obd_uuid);
+ struct obd_device* obd = (struct obd_device *)data;
+
+ LASSERT(obd != NULL);
+ LASSERT(obd->u.mds.mds_vfsmnt->mnt_devname);
+ *eof = 1;
+
+ return snprintf(page, count, "%s\n",
+ obd->u.mds.mds_vfsmnt->mnt_devname);
}
-int rd_blksize(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lprocfs_mds_wr_evict_client(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
- struct obd_device* temp = (struct obd_device*)data;
- struct mds_obd *mds = &temp->u.mds;
- struct statfs mystats;
- int rc;
-
- rc = vfs_statfs(mds->mds_sb, &mystats);
- if (rc) {
- CERROR("mds: statfs failed: rc %d\n", rc);
- return 0;
+ struct obd_device *obd = data;
+ struct obd_export *doomed_exp = NULL;
+ struct obd_uuid doomed;
+ struct list_head *p;
+ char tmpbuf[sizeof(doomed)];
+
+ sscanf(buffer, "%40s", tmpbuf);
+ obd_str2uuid(&doomed, tmpbuf);
+
+ spin_lock(&obd->obd_dev_lock);
+ list_for_each(p, &obd->obd_exports) {
+ doomed_exp = list_entry(p, struct obd_export, exp_obd_chain);
+ if (obd_uuid_equals(&doomed, &doomed_exp->exp_client_uuid)) {
+ class_export_get(doomed_exp);
+ break;
+ }
+ doomed_exp = NULL;
}
- return snprintf(page, count, LPU64"\n", (__u64)(mystats.f_bsize));
-}
+ spin_unlock(&obd->obd_dev_lock);
-int rd_kbtotal(char *page, char **start, off_t off, int count, int *eof,
- void *data)
-{
- struct obd_device* temp = (struct obd_device*)data;
- struct mds_obd *mds = &temp->u.mds;
- struct statfs mystats;
- int rc;
- __u32 blk_size;
- __u64 result;
-
- rc = vfs_statfs(mds->mds_sb, &mystats);
- if (rc) {
- CERROR("mds: statfs failed: rc %d\n", rc);
- return 0;
+ if (doomed_exp == NULL) {
+ CERROR("can't disconnect %s: no export found\n",
+ doomed.uuid);
+ } else {
+ CERROR("evicting %s at adminstrative request\n",
+ doomed.uuid);
+ ptlrpc_fail_export(doomed_exp);
+ class_export_put(doomed_exp);
}
+ return count;
+}
- blk_size = mystats.f_bsize;
- blk_size >>= 10;
- result = mystats.f_blocks;
- while(blk_size >>= 1)
- result <<= 1;
+static int lprocfs_mds_wr_config_update(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *obd = data;
+ ENTRY;
- return snprintf(page, count, LPU64"\n", result);
+ RETURN(mds_dt_update_config(obd, 0));
}
-int rd_kbfree(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lprocfs_rd_last_fid(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
{
- struct obd_device* temp = (struct obd_device*)data;
- struct mds_obd *mds = &temp->u.mds;
- struct statfs mystats;
- int rc;
- __u32 blk_size;
- __u64 result;
-
- rc = vfs_statfs(mds->mds_sb, &mystats);
- if (rc) {
- CERROR("mds: statfs failed: rc %d\n", rc);
- return 0;
- }
- blk_size = mystats.f_bsize;
- blk_size >>= 10;
- result = mystats.f_blocks;
- while (blk_size >>= 1)
- result <<= 1;
+ struct obd_device *obd = (struct obd_device *)data;
+ struct mds_obd *mds = &obd->u.mds;
+ __u64 last_fid;
+
+ spin_lock(&mds->mds_last_fid_lock);
+ last_fid = mds->mds_last_fid;
+ spin_unlock(&mds->mds_last_fid_lock);
- return snprintf(page, count, LPU64"\n", result);
+ *eof = 1;
+ return snprintf(page, count, LPD64"\n", last_fid);
}
-int rd_fstype(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lprocfs_rd_group(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
{
struct obd_device *obd = (struct obd_device *)data;
+ struct mds_obd *mds = &obd->u.mds;
- return snprintf(page, count, "%s\n", obd->obd_fsops->fs_type);
+ *eof = 1;
+ return snprintf(page, count, "%lu\n",
+ (unsigned long)mds->mds_num);
}
-int rd_filestotal(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+struct lprocfs_vars lprocfs_mds_obd_vars[] = {
+ { "uuid", lprocfs_rd_uuid, 0, 0 },
+ { "blocksize", lprocfs_rd_blksize, 0, 0 },
+ { "kbytestotal", lprocfs_rd_kbytestotal, 0, 0 },
+ { "kbytesfree", lprocfs_rd_kbytesfree, 0, 0 },
+ { "kbytesavail", lprocfs_rd_kbytesavail, 0, 0 },
+ { "fstype", lprocfs_rd_fstype, 0, 0 },
+ { "filestotal", lprocfs_rd_filestotal, 0, 0 },
+ { "filesfree", lprocfs_rd_filesfree, 0, 0 },
+ { "mntdev", lprocfs_mds_rd_mntdev, 0, 0 },
+ { "last_fid", lprocfs_rd_last_fid, 0, 0 },
+ { "group", lprocfs_rd_group, 0, 0 },
+ { "recovery_status", lprocfs_obd_rd_recovery_status, 0, 0 },
+ { "evict_client", 0, lprocfs_mds_wr_evict_client, 0 },
+ { "config_update", 0, lprocfs_mds_wr_config_update, 0 },
+ { "num_exports", lprocfs_rd_num_exports, 0, 0 },
+ { 0 }
+};
+
+/*
+ * group hash proc entries handler
+ */
+static int lprocfs_wr_group_info(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
- struct obd_device* temp = (struct obd_device*)data;
- struct mds_obd *mds = &temp->u.mds;
- struct statfs mystats;
- int rc;
-
- rc = vfs_statfs(mds->mds_sb, &mystats);
- if (rc) {
- CERROR("mds: statfs failed: rc %d\n", rc);
- return 0;
+ struct {
+ int err;
+ uid_t uid;
+ uint32_t ngroups;
+ gid_t *groups;
+ } param;
+ gid_t gids_local[NGROUPS_SMALL];
+ gid_t *gids = NULL;
+
+ if (count != sizeof(param)) {
+ CERROR("invalid data size %lu\n", count);
+ return count;
+ }
+ if (copy_from_user(¶m, buffer, count)) {
+ CERROR("broken downcall\n");
+ return count;
+ }
+ if (param.ngroups > NGROUPS_MAX) {
+ CERROR("%d groups?\n", param.ngroups);
+ return count;
+ }
+
+ if (param.ngroups <= NGROUPS_SMALL)
+ gids = gids_local;
+ else {
+ OBD_ALLOC(gids, param.ngroups * sizeof(gid_t));
+ if (!gids) {
+ CERROR("fail to alloc memory for %d gids\n",
+ param.ngroups);
+ return count;
+ }
+ }
+ if (copy_from_user(gids, param.groups,
+ param.ngroups * sizeof(gid_t))) {
+ CERROR("broken downcall\n");
+ goto out;
}
- return snprintf(page, count, LPU64"\n", (__u64)(mystats.f_files));
+
+ mds_handle_group_downcall(param.err, param.uid,
+ param.ngroups, gids);
+
+out:
+ if (gids && gids != gids_local)
+ OBD_FREE(gids, param.ngroups * sizeof(gid_t));
+ return count;
+}
+
+static int lprocfs_rd_expire(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct mds_grp_hash *hash = __mds_get_global_group_hash();
+
+ *eof = 1;
+ return snprintf(page, count, "%d\n", hash->gh_entry_expire);
+}
+
+static int lprocfs_wr_expire(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct mds_grp_hash *hash = __mds_get_global_group_hash();
+ char buf[32];
+
+ if (copy_from_user(buf, buffer, min(count, 32UL)))
+ return count;
+ buf[31] = 0;
+ sscanf(buf, "%d", &hash->gh_entry_expire);
+ return count;
+}
+
+static int lprocfs_rd_ac_expire(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct mds_grp_hash *hash = __mds_get_global_group_hash();
+
+ *eof = 1;
+ return snprintf(page, count, "%d\n", hash->gh_acquire_expire);
+}
+
+static int lprocfs_wr_ac_expire(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct mds_grp_hash *hash = __mds_get_global_group_hash();
+ char buf[32];
+
+ if (copy_from_user(buf, buffer, min(count, 32UL)))
+ return count;
+ buf[31] = 0;
+ sscanf(buf, "%d", &hash->gh_acquire_expire);
+ return count;
+}
+
+static int lprocfs_rd_hash_upcall(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct mds_grp_hash *hash = __mds_get_global_group_hash();
+
+ *eof = 1;
+ return snprintf(page, count, "%s\n", hash->gh_upcall);
}
-int rd_filesfree(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lprocfs_wr_hash_upcall(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
- struct obd_device* temp = (struct obd_device*)data;
- struct mds_obd *mds = &temp->u.mds;
- struct statfs mystats;
- int rc, len = 0;
-
- rc = vfs_statfs(mds->mds_sb, &mystats);
- if (rc) {
- CERROR("mds: statfs failed: rc %d\n", rc);
- return 0;
+ struct mds_grp_hash *hash = __mds_get_global_group_hash();
+
+ if (count < MDSGRP_UPCALL_MAXPATH) {
+ sscanf(buffer, "%1024s", hash->gh_upcall);
+ hash->gh_upcall[MDSGRP_UPCALL_MAXPATH-1] = 0;
}
+ return count;
+}
- len += snprintf(page, count, LPU64"\n", (__u64)(mystats.f_ffree));
- return len;
+static int lprocfs_wr_hash_flush(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ mds_group_hash_flush_idle();
+ return count;
}
-int rd_filegroups(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lprocfs_rd_allow_setgroups(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
{
- return 0;
+ struct mds_grp_hash *hash = __mds_get_global_group_hash();
+
+ *eof = 1;
+ return snprintf(page, count, "%d\n", hash->gh_allow_setgroups);
}
-struct lprocfs_vars status_var_nm_1[]={
- {"status/uuid", rd_uuid, 0, 0},
- {"status/blocksize",rd_blksize, 0, 0},
- {"status/kbytestotal",rd_kbtotal, 0, 0},
- {"status/kbytesfree", rd_kbfree, 0, 0},
- {"status/fstype", rd_fstype, 0, 0},
- {"status/filestotal", rd_filestotal, 0, 0},
- {"status/filesfree", rd_filesfree, 0, 0},
- {"status/filegroups", rd_filegroups, 0, 0},
- {0}
-};
-int rd_numrefs(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lprocfs_wr_allow_setgroups(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
- struct obd_type *class = (struct obd_type*)data;
+ struct mds_grp_hash *hash = __mds_get_global_group_hash();
+ char buf[8];
+ int val;
- return snprintf(page, count, "%d\n", class->typ_refcnt);
+ if (copy_from_user(buf, buffer, min(count, 8UL)))
+ return count;
+ buf[7] = 0;
+ sscanf(buf, "%d", &val);
+ hash->gh_allow_setgroups = (val != 0);
+ return count;
}
-struct lprocfs_vars status_class_var[]={
- {"status/num_refs", rd_numrefs, 0, 0},
- {0}
+struct lprocfs_vars lprocfs_mds_module_vars[] = {
+ { "num_refs", lprocfs_rd_numrefs, 0, 0 },
+ { "grp_hash_expire_interval",lprocfs_rd_expire,
+ lprocfs_wr_expire, 0},
+ { "grp_hash_acquire_expire", lprocfs_rd_ac_expire,
+ lprocfs_wr_ac_expire, 0},
+ { "grp_hash_upcall", lprocfs_rd_hash_upcall,
+ lprocfs_wr_hash_upcall, 0},
+ { "grp_hash_flush", 0, lprocfs_wr_hash_flush, 0},
+ { "group_info", 0, lprocfs_wr_group_info, 0 },
+ { "allow_setgroups", lprocfs_rd_allow_setgroups,
+ lprocfs_wr_allow_setgroups, 0},
+ { 0 }
+};
+
+struct lprocfs_vars lprocfs_mdt_obd_vars[] = {
+ { "uuid", lprocfs_rd_uuid, 0, 0 },
+ { 0 }
};
+
+struct lprocfs_vars lprocfs_mdt_module_vars[] = {
+ { "num_refs", lprocfs_rd_numrefs, 0, 0 },
+ { 0 }
+};
+#endif /* LPROCFS */
+
+struct lprocfs_static_vars lprocfs_array_vars[] = { {lprocfs_mds_module_vars,
+ lprocfs_mds_obd_vars},
+ {lprocfs_mdt_module_vars,
+ lprocfs_mdt_obd_vars}};
+
+LPROCFS_INIT_MULTI_VARS(lprocfs_array_vars,
+ (sizeof(lprocfs_array_vars) /
+ sizeof(struct lprocfs_static_vars)))
git://git.whamcloud.com / fs / lustre-release.git / blobdiff