X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fmds%2Flproc_mds.c;h=f658434891547fbb21d246e1ad15d6d10f6edd99;hp=a65816f28cc7065acfdbc361fd145a2c65fbc35f;hb=0fbdddacf4c105ed10196a672fd51255c176f5ee;hpb=400b0681017091fab9cef9bd00e0f536e1793dcc diff --git a/lustre/mds/lproc_mds.c b/lustre/mds/lproc_mds.c index a65816f..f658434 100644 --- a/lustre/mds/lproc_mds.c +++ b/lustre/mds/lproc_mds.c @@ -21,167 +21,309 @@ */ #define DEBUG_SUBSYSTEM S_CLASS -#include +#include +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) +#include +#endif +#include +#include #include +#include "mds_internal.h" +#ifndef LPROCFS -int rd_uuid(char* page, char **start, off_t off, - int count, int *eof, void *data) +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; - int len=0; - len+=snprintf(page, count, "%s\n", temp->obd_uuid); - return len; + 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, len=0; - - 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; } - len+=snprintf(page, count, LPU64"\n", (__u64)(mystats.f_bsize)); - return len; + 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_blktotal(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* 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; - } - len+=snprintf(page, count, LPU64"\n", (__u64)(mystats.f_blocks)); - return len; - + struct obd_device *obd = data; + ENTRY; + + RETURN(mds_dt_update_config(obd, 0)); } -int rd_blkfree(char* page, char **start, off_t off, - int count, int *eof, void *data) +static int lprocfs_rd_filesopen(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, len=0; - - rc = vfs_statfs(mds->mds_sb, &mystats); - if (rc) { - CERROR("mds: statfs failed: rc %d\n", rc); - return 0; - } - len+=snprintf(page, count, LPU64"\n", (__u64)(mystats.f_bfree)); - return len; - + struct obd_device *obd = data; + LASSERT(obd != NULL); + *eof = 1; + + return snprintf(page, count, "%d\n", + atomic_read(&obd->u.mds.mds_open_count)); } -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, blk_size, len=0; - - rc = vfs_statfs(mds->mds_sb, &mystats); - if (rc) { - CERROR("mds: statfs failed: rc %d\n", rc); - return 0; - } - blk_size=mystats.f_bsize; - len+=snprintf(page, count, LPU64"\n", - (__u64)((mystats.f_bfree)/(blk_size*1024))); - return len; - + 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); } -int rd_fstype(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; - int len=0; - len+=snprintf(page, count, "%s\n", mds->mds_fstype); - return len; - +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); } -int rd_ffiles(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 }, + { "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 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 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; } - - len+=snprintf(page, count, LPU64"\n", (__u64)(mystats.f_files)); - return len; - + 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; } -int rd_inodesfree(char* page, char **start, off_t off, - int count, int *eof, void *data) +static int lprocfs_rd_lsd_expire(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, len=0; - - rc = vfs_statfs(mds->mds_sb, &mystats); - if (rc) { - CERROR("mds: statfs failed: rc %d\n", rc); - return 0; - } - - len+=snprintf(page, count, LPU64"\n", (__u64)(mystats.f_ffree)); - return len; + 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; } -int rd_filesets(char* page, char **start, off_t off, - int count, int *eof, void *data) +static int lprocfs_rd_lsd_ac_expire(char *page, char **start, off_t off, + int count, int *eof, void *data) { - return 0; + struct upcall_cache *cache= __mds_get_global_lsd_cache(); + + *eof = 1; + return snprintf(page, count, "%lu\n", cache->uc_acquire_expire); } -lprocfs_vars_t status_var_nm_1[]={ - {"status/uuid", rd_uuid, 0}, - {"status/f_blocksize",rd_blksize, 0}, - {"status/f_blockstotal",rd_blktotal, 0}, - {"status/f_blocksfree",rd_blkfree, 0}, - {"status/f_kbytesfree", rd_kbfree, 0}, - {"status/f_fstype", rd_fstype, 0}, - {"status/f_files", rd_ffiles, 0}, - {"status/f_inodesfree", rd_inodesfree, 0}, - {"status/f_filesets", rd_filesets, 0}, - {0} -}; -int rd_numdevices(char* page, char **start, off_t off, - int count, int *eof, void *data) +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 obd_type* class=(struct obd_type*)data; - int len=0; - len+=snprintf(page, count, "%d\n", class->typ_refcnt); - return len; + 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; } -lprocfs_vars_t status_class_var[]={ - {"status/num_devices", rd_numdevices, 0}, - {0} +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 }, + /* 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 }, + { 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)))