#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
#include <asm/statfs.h>
#endif
-#include <linux/lustre_lite.h>
-#include <linux/lustre_fsfilt.h>
+#include <linux/obd.h>
+#include <linux/obd_class.h>
#include <linux/lprocfs_status.h>
+#include "mds_internal.h"
#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} };
#else
-static inline
-int lprocfs_mds_statfs(void *data, struct statfs *sfs)
+static int lprocfs_mds_rd_mntdev(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
{
- struct obd_device* dev = (struct obd_device*) data;
- struct mds_obd *mds;
+ struct obd_device* obd = (struct obd_device *)data;
+
+ LASSERT(obd != NULL);
+ LASSERT(obd->u.mds.mds_vfsmnt->mnt_devname);
+ *eof = 1;
- LASSERT(dev != NULL);
- mds = &dev->u.mds;
- return vfs_statfs(mds->mds_sb, sfs);
+ return snprintf(page, count, "%s\n",
+ obd->u.mds.mds_vfsmnt->mnt_devname);
}
-DEFINE_LPROCFS_STATFS_FCT(rd_blksize, lprocfs_mds_statfs);
-DEFINE_LPROCFS_STATFS_FCT(rd_kbytestotal, lprocfs_mds_statfs);
-DEFINE_LPROCFS_STATFS_FCT(rd_kbytesfree, lprocfs_mds_statfs);
-DEFINE_LPROCFS_STATFS_FCT(rd_filestotal, lprocfs_mds_statfs);
-DEFINE_LPROCFS_STATFS_FCT(rd_filesfree, lprocfs_mds_statfs);
-DEFINE_LPROCFS_STATFS_FCT(rd_filegroups, lprocfs_mds_statfs);
+static int lprocfs_mds_wr_evict_client(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ 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;
+ }
+ spin_unlock(&obd->obd_dev_lock);
+
+ 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;
+}
-int rd_fstype(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int lprocfs_mds_wr_config_update(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
- struct obd_device *obd = (struct obd_device *)data;
+ struct obd_device *obd = data;
+ ENTRY;
+
+ RETURN(mds_dt_update_config(obd, 0));
+}
+static int lprocfs_rd_filesopen(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct obd_device *obd = data;
LASSERT(obd != NULL);
- LASSERT(obd->obd_fsops != NULL);
- LASSERT(obd->obd_fsops->fs_type != NULL);
- return snprintf(page, count, "%s\n", obd->obd_fsops->fs_type);
+ *eof = 1;
+
+ return snprintf(page, count, "%d\n",
+ atomic_read(&obd->u.mds.mds_open_count));
+}
+
+static int lprocfs_rd_last_fid(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;
+ __u64 last_fid;
+
+ spin_lock(&mds->mds_last_fid_lock);
+ last_fid = mds->mds_last_fid;
+ spin_unlock(&mds->mds_last_fid_lock);
+
+ *eof = 1;
+ return snprintf(page, count, LPD64"\n", last_fid);
}
+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;
+
+ *eof = 1;
+ return snprintf(page, count, "%lu\n",
+ (unsigned long)mds->mds_num);
+}
struct lprocfs_vars lprocfs_mds_obd_vars[] = {
- { "uuid", lprocfs_rd_uuid, 0, 0 },
- { "blocksize", rd_blksize, 0, 0 },
- { "bytestotal", rd_kbytestotal, 0, 0 },
- { "kbytesfree", rd_kbytesfree, 0, 0 },
- { "fstype", rd_fstype, 0, 0 },
- { "filestotal", rd_filestotal, 0, 0 },
- { "filesfree", rd_filesfree, 0, 0 },
- { "filegroups", rd_filegroups, 0, 0 },
+ { "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 },
+ { "filesopen", lprocfs_rd_filesopen, 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 }
};
+/*
+ * LSD proc entry handlers
+ */
+static int lprocfs_wr_lsd_downcall(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct upcall_cache *cache = __mds_get_global_lsd_cache();
+ struct lsd_downcall_args param;
+ gid_t gids_local[NGROUPS_SMALL];
+ gid_t *gids = NULL;
+
+ if (count != sizeof(param)) {
+ CERROR("invalid data size %lu\n", count);
+ goto do_err_downcall;
+ }
+ if (copy_from_user(¶m, buffer, count)) {
+ CERROR("broken downcall\n");
+ goto do_err_downcall;
+ }
+
+ if (param.err) {
+ CERROR("LSD downcall indicate error %d\n", param.err);
+ goto do_downcall;
+ }
+
+ if (param.ngroups > NGROUPS_MAX) {
+ CERROR("%d groups too big\n", param.ngroups);
+ goto do_err_downcall;
+ }
+
+ 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);
+ goto do_err_downcall;
+ }
+ }
+ if (copy_from_user(gids, param.groups,
+ param.ngroups * sizeof(gid_t))) {
+ CERROR("broken downcall\n");
+ goto do_err_downcall;
+ }
+
+ param.groups = gids;
+
+do_downcall:
+ upcall_cache_downcall(cache, (__u64) param.uid, ¶m);
+
+ if (gids && gids != gids_local)
+ OBD_FREE(gids, param.ngroups * sizeof(gid_t));
+ return count;
+
+do_err_downcall:
+ param.err = -EINVAL;
+ goto do_downcall;
+}
+
+static int lprocfs_rd_lsd_expire(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct upcall_cache *cache= __mds_get_global_lsd_cache();
+
+ *eof = 1;
+ return snprintf(page, count, "%lu\n", cache->uc_entry_expire);
+}
+static int lprocfs_wr_lsd_expire(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct upcall_cache *cache= __mds_get_global_lsd_cache();
+ char buf[32];
+
+ if (copy_from_user(buf, buffer, min(count, 32UL)))
+ return count;
+ buf[31] = 0;
+ sscanf(buf, "%lu", &cache->uc_entry_expire);
+ return count;
+}
+
+static int lprocfs_rd_lsd_ac_expire(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct upcall_cache *cache= __mds_get_global_lsd_cache();
+
+ *eof = 1;
+ return snprintf(page, count, "%lu\n", cache->uc_acquire_expire);
+}
+static int lprocfs_wr_lsd_ac_expire(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct upcall_cache *cache= __mds_get_global_lsd_cache();
+ char buf[32];
+
+ if (copy_from_user(buf, buffer, min(count, 32UL)))
+ return count;
+ buf[31] = 0;
+ sscanf(buf, "%lu", &cache->uc_acquire_expire);
+ return count;
+}
+
+static int lprocfs_rd_lsd_upcall(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct upcall_cache *cache= __mds_get_global_lsd_cache();
+
+ *eof = 1;
+ return snprintf(page, count, "%s\n", cache->uc_upcall);
+}
+static int lprocfs_wr_lsd_upcall(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct upcall_cache *cache= __mds_get_global_lsd_cache();
+
+ if (count < UC_CACHE_UPCALL_MAXPATH) {
+ sscanf(buffer, "%1024s", cache->uc_upcall);
+ cache->uc_upcall[UC_CACHE_UPCALL_MAXPATH - 1] = 0;
+ }
+ return count;
+}
+
+extern void lgss_svc_cache_flush(__u32 uid);
+static int lprocfs_wr_lsd_flush(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ char buf[32];
+ __u32 uid;
+
+ if (copy_from_user(buf, buffer, min(count, 32UL)))
+ return count;
+ buf[31] = 0;
+ sscanf(buf, "%d", &uid);
+
+ mds_flush_lsd(uid);
+#ifdef ENABLE_GSS
+ lgss_svc_cache_flush(uid);
+#endif
+ return count;
+}
+
struct lprocfs_vars lprocfs_mds_module_vars[] = {
- { "num_refs", lprocfs_rd_numrefs, 0, 0 },
+ { "num_refs", lprocfs_rd_numrefs, 0, 0 },
+ /* LSD stuff */
+ { "lsd_expire_interval", lprocfs_rd_lsd_expire,
+ lprocfs_wr_lsd_expire, 0},
+ { "lsd_acquire_expire", lprocfs_rd_lsd_ac_expire,
+ lprocfs_wr_lsd_ac_expire, 0},
+ { "lsd_upcall", lprocfs_rd_lsd_upcall,
+ lprocfs_wr_lsd_upcall, 0},
+ { "lsd_flush", 0, lprocfs_wr_lsd_flush, 0},
+ { "lsd_downcall", 0, lprocfs_wr_lsd_downcall, 0},
{ 0 }
};
struct lprocfs_vars lprocfs_mdt_obd_vars[] = {
- { "uuid", lprocfs_rd_uuid, 0, 0 },
+ { "uuid", lprocfs_rd_uuid, 0, 0 },
{ 0 }
};
struct lprocfs_vars lprocfs_mdt_module_vars[] = {
- { "num_refs", lprocfs_rd_numrefs, 0, 0 },
+ { "num_refs", lprocfs_rd_numrefs, 0, 0 },
{ 0 }
};
+#endif /* LPROCFS */
-#endif
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)))
+ (sizeof(lprocfs_array_vars) /
+ sizeof(struct lprocfs_static_vars)))
git://git.whamcloud.com / fs / lustre-release.git / blobdiff