X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fobdclass%2Flprocfs_status_server.c;h=290e4e519a35dc61c0949f5b2d8fde0d2e1d8fbe;hp=3ba8e70e34ea13db66c84752ef9cb7024c13d270;hb=907a321c9b9e2cd5f5ccf488cc516ba05dee0ad8;hpb=14d162c5438de959d0ea01fb1b40a7c5dfa764d1 diff --git a/lustre/obdclass/lprocfs_status_server.c b/lustre/obdclass/lprocfs_status_server.c index 3ba8e70..290e4e5 100644 --- a/lustre/obdclass/lprocfs_status_server.c +++ b/lustre/obdclass/lprocfs_status_server.c @@ -23,7 +23,7 @@ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. * - * Copyright (c) 2011, 2013, Intel Corporation. + * Copyright (c) 2011, 2014, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -34,15 +34,13 @@ #define DEBUG_SUBSYSTEM S_CLASS -#ifndef __KERNEL__ -#include -#endif #include #include #include +#include -#if defined(LPROCFS) +#ifdef CONFIG_PROC_FS int lprocfs_evict_client_open(struct inode *inode, struct file *f) { @@ -104,76 +102,6 @@ out: } EXPORT_SYMBOL(lprocfs_evict_client_seq_write); -#ifndef HAVE_ONLY_PROCFS_SEQ -int lprocfs_wr_evict_client(struct file *file, const char __user *buffer, - unsigned long count, void *data) -{ - struct obd_device *obd = data; - char *kbuf; - char *tmpbuf; - - OBD_ALLOC(kbuf, BUFLEN); - if (kbuf == NULL) - return -ENOMEM; - - /* - * OBD_ALLOC() will zero kbuf, but we only copy BUFLEN - 1 - * bytes into kbuf, to ensure that the string is NUL-terminated. - * UUID_MAX should include a trailing NUL already. - */ - if (copy_from_user(kbuf, buffer, - min_t(unsigned long, BUFLEN - 1, count))) { - count = -EFAULT; - goto out; - } - tmpbuf = cfs_firststr(kbuf, min_t(unsigned long, BUFLEN - 1, count)); - class_incref(obd, __func__, current); - - if (strncmp(tmpbuf, "nid:", 4) == 0) - obd_export_evict_by_nid(obd, tmpbuf + 4); - else if (strncmp(tmpbuf, "uuid:", 5) == 0) - obd_export_evict_by_uuid(obd, tmpbuf + 5); - else - obd_export_evict_by_uuid(obd, tmpbuf); - - class_decref(obd, __func__, current); -out: - OBD_FREE(kbuf, BUFLEN); - return count; -} -EXPORT_SYMBOL(lprocfs_wr_evict_client); - -const struct file_operations lprocfs_evict_client_fops = { - .owner = THIS_MODULE, - .read = lprocfs_fops_read, - .write = lprocfs_fops_write, - .open = lprocfs_evict_client_open, - .release = lprocfs_evict_client_release, -}; -EXPORT_SYMBOL(lprocfs_evict_client_fops); - -/* Function that emulates snprintf but also has the side effect of advancing - the page pointer for the next write into the buffer, incrementing the total - length written to the buffer, and decrementing the size left in the - buffer. */ -static int lprocfs_obd_snprintf(char **page, int end, int *len, - const char *format, ...) -{ - va_list list; - int n; - - if (*len >= end) - return 0; - - va_start(list, format); - n = vsnprintf(*page, end - *len, format, list); - va_end(list); - - *page += n; *len += n; - return n; -} -#endif /* HAVE_ONLY_PROCFS_SEQ */ - #undef BUFLEN int lprocfs_num_exports_seq_show(struct seq_file *m, void *data) @@ -217,7 +145,7 @@ void lprocfs_free_per_client_stats(struct obd_device *obd) /* not need locking because all clients is died */ while (!list_empty(&obd->obd_nid_stats)) { stat = list_entry(obd->obd_nid_stats.next, - struct nid_stat, nid_list); + struct nid_stat, nid_list); list_del_init(&stat->nid_list); cfs_hash_del(hash, &stat->nid, &stat->nid_hash); lprocfs_free_client_stats(stat); @@ -226,26 +154,41 @@ void lprocfs_free_per_client_stats(struct obd_device *obd) } EXPORT_SYMBOL(lprocfs_free_per_client_stats); -int lprocfs_exp_nid_seq_show(struct seq_file *m, void *data) +static int lprocfs_exp_print_uuid_seq(cfs_hash_t *hs, cfs_hash_bd_t *bd, + struct hlist_node *hnode, void *cb_data) { - struct obd_export *exp = m->private; - LASSERT(exp != NULL); - return seq_printf(m, "%s\n", obd_export_nid2str(exp)); -} + struct seq_file *m = cb_data; + struct obd_export *exp = cfs_hash_object(hs, hnode); -int lprocfs_exp_print_uuid_seq(cfs_hash_t *hs, cfs_hash_bd_t *bd, - struct hlist_node *hnode, void *cb_data) + if (exp->exp_nid_stats != NULL) + seq_printf(m, "%s\n", obd_uuid2str(&exp->exp_client_uuid)); + return 0; +} +static int lprocfs_exp_print_nodemap_seq(cfs_hash_t *hs, cfs_hash_bd_t *bd, + struct hlist_node *hnode, void *cb_data) { - struct obd_export *exp = cfs_hash_object(hs, hnode); struct seq_file *m = cb_data; + struct obd_export *exp = cfs_hash_object(hs, hnode); + struct lu_nodemap *nodemap = exp->exp_target_data.ted_nodemap; - if (exp->exp_nid_stats) - seq_printf(m, "%s\n", obd_uuid2str(&exp->exp_client_uuid)); + if (nodemap != NULL) + seq_printf(m, "%s\n", nodemap->nm_name); return 0; } -int lprocfs_exp_uuid_seq_show(struct seq_file *m, void *data) +static int lprocfs_exp_nodemap_seq_show(struct seq_file *m, void *data) +{ + struct nid_stat *stats = m->private; + struct obd_device *obd = stats->nid_obd; + + cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid, + lprocfs_exp_print_nodemap_seq, m); + return 0; +} +LPROC_SEQ_FOPS_RO(lprocfs_exp_nodemap); + +static int lprocfs_exp_uuid_seq_show(struct seq_file *m, void *data) { struct nid_stat *stats = m->private; struct obd_device *obd = stats->nid_obd; @@ -256,21 +199,21 @@ int lprocfs_exp_uuid_seq_show(struct seq_file *m, void *data) } LPROC_SEQ_FOPS_RO(lprocfs_exp_uuid); -int lprocfs_exp_print_hash_seq(cfs_hash_t *hs, cfs_hash_bd_t *bd, - struct hlist_node *hnode, void *cb_data) +static int lprocfs_exp_print_hash_seq(cfs_hash_t *hs, cfs_hash_bd_t *bd, + struct hlist_node *hnode, void *cb_data) { struct seq_file *m = cb_data; struct obd_export *exp = cfs_hash_object(hs, hnode); if (exp->exp_lock_hash != NULL) { - cfs_hash_debug_header_seq(m); - cfs_hash_debug_str_seq(hs, m); + cfs_hash_debug_header(m); + cfs_hash_debug_str(hs, m); } return 0; } -int lprocfs_exp_hash_seq_show(struct seq_file *m, void *data) +static int lprocfs_exp_hash_seq_show(struct seq_file *m, void *data) { struct nid_stat *stats = m->private; struct obd_device *obd = stats->nid_obd; @@ -312,11 +255,12 @@ ssize_t lprocfs_nid_stats_clear_seq_write(struct file *file, const char *buffer, size_t count, loff_t *off) { - struct list_head free_list = LIST_HEAD_INIT(free_list); struct seq_file *m = file->private_data; struct obd_device *obd = m->private; struct nid_stat *client_stat; + struct list_head free_list; + INIT_LIST_HEAD(&free_list); cfs_hash_cond_del(obd->obd_nid_stats_hash, lprocfs_nid_stats_clear_write_cb, &free_list); @@ -330,152 +274,15 @@ lprocfs_nid_stats_clear_seq_write(struct file *file, const char *buffer, } EXPORT_SYMBOL(lprocfs_nid_stats_clear_seq_write); -#ifndef HAVE_ONLY_PROCFS_SEQ -int lprocfs_rd_num_exports(char *page, char **start, off_t off, int count, - int *eof, void *data) -{ - struct obd_device *obd = data; - - LASSERT(obd != NULL); - *eof = 1; - return snprintf(page, count, "%u\n", obd->obd_num_exports); -} -EXPORT_SYMBOL(lprocfs_rd_num_exports); - -int lprocfs_exp_rd_nid(char *page, char **start, off_t off, int count, - int *eof, void *data) -{ - struct obd_export *exp = data; - LASSERT(exp != NULL); - *eof = 1; - return snprintf(page, count, "%s\n", obd_export_nid2str(exp)); -} - -struct exp_uuid_cb_data { - char *page; - int count; - int *eof; - int *len; -}; - -static void -lprocfs_exp_rd_cb_data_init(struct exp_uuid_cb_data *cb_data, char *page, - int count, int *eof, int *len) -{ - cb_data->page = page; - cb_data->count = count; - cb_data->eof = eof; - cb_data->len = len; -} - -int lprocfs_exp_print_uuid(cfs_hash_t *hs, cfs_hash_bd_t *bd, - struct hlist_node *hnode, void *cb_data) - -{ - struct obd_export *exp = cfs_hash_object(hs, hnode); - struct exp_uuid_cb_data *data = (struct exp_uuid_cb_data *)cb_data; - - if (exp->exp_nid_stats) - *data->len += snprintf((data->page + *data->len), - data->count, "%s\n", - obd_uuid2str(&exp->exp_client_uuid)); - return 0; -} - -int lprocfs_exp_rd_uuid(char *page, char **start, off_t off, int count, - int *eof, void *data) -{ - struct nid_stat *stats = (struct nid_stat *)data; - struct exp_uuid_cb_data cb_data; - struct obd_device *obd = stats->nid_obd; - int len = 0; - - *eof = 1; - page[0] = '\0'; - lprocfs_exp_rd_cb_data_init(&cb_data, page, count, eof, &len); - cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid, - lprocfs_exp_print_uuid, &cb_data); - return *cb_data.len; -} - -int lprocfs_exp_print_hash(cfs_hash_t *hs, cfs_hash_bd_t *bd, - struct hlist_node *hnode, void *cb_data) - -{ - struct exp_uuid_cb_data *data = cb_data; - struct obd_export *exp = cfs_hash_object(hs, hnode); - - if (exp->exp_lock_hash != NULL) { - if (!*data->len) { - *data->len += cfs_hash_debug_header(data->page, - data->count); - } - *data->len += cfs_hash_debug_str(hs, data->page + *data->len, - data->count); - } - return 0; -} - -int lprocfs_exp_rd_hash(char *page, char **start, off_t off, int count, - int *eof, void *data) -{ - struct nid_stat *stats = (struct nid_stat *)data; - struct exp_uuid_cb_data cb_data; - struct obd_device *obd = stats->nid_obd; - int len = 0; - - *eof = 1; - page[0] = '\0'; - lprocfs_exp_rd_cb_data_init(&cb_data, page, count, eof, &len); - - cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid, - lprocfs_exp_print_hash, &cb_data); - return *cb_data.len; -} - -int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - *eof = 1; - return snprintf(page, count, "%s\n", - "Write into this file to clear all nid stats and " - "stale nid entries"); -} -EXPORT_SYMBOL(lprocfs_nid_stats_clear_read); - -int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer, - unsigned long count, void *data) -{ - struct list_head free_list = LIST_HEAD_INIT(free_list); - struct obd_device *obd = (struct obd_device *)data; - struct nid_stat *client_stat; - - cfs_hash_cond_del(obd->obd_nid_stats_hash, - lprocfs_nid_stats_clear_write_cb, &free_list); - - while (!list_empty(&free_list)) { - client_stat = list_entry(free_list.next, struct nid_stat, - nid_list); - list_del_init(&client_stat->nid_list); - lprocfs_free_client_stats(client_stat); - } - - return count; -} -EXPORT_SYMBOL(lprocfs_nid_stats_clear_write); -#endif - -int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid, int *newnid) +int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid) { struct nid_stat *new_stat, *old_stat; struct obd_device *obd = NULL; struct proc_dir_entry *entry; - char *buffer = NULL; + char nidstr[LNET_NIDSTR_SIZE]; int rc = 0; ENTRY; - *newnid = 0; - if (!exp || !exp->exp_obd || !exp->exp_obd->obd_proc_exports_entry || !exp->exp_obd->obd_nid_stats_hash) RETURN(-EINVAL); @@ -483,8 +290,10 @@ int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid, int *newnid) /* not test against zero because eric say: * You may only test nid against another nid, or LNET_NID_ANY. * Anything else is nonsense.*/ - if (!nid || *nid == LNET_NID_ANY) - RETURN(0); + if (nid == NULL || *nid == LNET_NID_ANY) + RETURN(-EALREADY); + + libcfs_nid2str_r(*nid, nidstr, sizeof(nidstr)); spin_lock(&exp->exp_lock); if (exp->exp_nid_stats != NULL) { @@ -501,16 +310,15 @@ int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid, int *newnid) if (new_stat == NULL) RETURN(-ENOMEM); - new_stat->nid = *nid; - new_stat->nid_obd = exp->exp_obd; + new_stat->nid = *nid; + new_stat->nid_obd = exp->exp_obd; /* we need set default refcount to 1 to balance obd_disconnect */ atomic_set(&new_stat->nid_exp_ref_count, 1); old_stat = cfs_hash_findadd_unique(obd->obd_nid_stats_hash, nid, &new_stat->nid_hash); CDEBUG(D_INFO, "Found stats %p for nid %s - ref %d\n", - old_stat, libcfs_nid2str(*nid), - atomic_read(&new_stat->nid_exp_ref_count)); + old_stat, nidstr, atomic_read(&old_stat->nid_exp_ref_count)); /* Return -EALREADY here so that we know that the /proc * entry already has been created */ @@ -525,66 +333,52 @@ int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid, int *newnid) GOTO(destroy_new, rc = -EALREADY); } /* not found - create */ - OBD_ALLOC(buffer, LNET_NIDSTR_SIZE); - if (buffer == NULL) - GOTO(destroy_new, rc = -ENOMEM); - - memcpy(buffer, libcfs_nid2str(*nid), LNET_NIDSTR_SIZE); -#ifndef HAVE_ONLY_PROCFS_SEQ - new_stat->nid_proc = lprocfs_register(buffer, + new_stat->nid_proc = lprocfs_register(nidstr, obd->obd_proc_exports_entry, NULL, NULL); -#else - new_stat->nid_proc = lprocfs_seq_register(buffer, - obd->obd_proc_exports_entry, - NULL, NULL); -#endif - OBD_FREE(buffer, LNET_NIDSTR_SIZE); if (IS_ERR(new_stat->nid_proc)) { rc = PTR_ERR(new_stat->nid_proc); new_stat->nid_proc = NULL; CERROR("%s: cannot create proc entry for export %s: rc = %d\n", - obd->obd_name, libcfs_nid2str(*nid), rc); + obd->obd_name, nidstr, rc); + GOTO(destroy_new_ns, rc); + } + + entry = lprocfs_add_simple(new_stat->nid_proc, "nodemap", new_stat, + &lprocfs_exp_nodemap_fops); + if (IS_ERR(entry)) { + rc = PTR_ERR(entry); + CWARN("Error adding the nodemap file: rc = %d\n", rc); GOTO(destroy_new_ns, rc); } -#ifndef HAVE_ONLY_PROCFS_SEQ - entry = lprocfs_add_simple(new_stat->nid_proc, "uuid", - lprocfs_exp_rd_uuid, NULL, new_stat, NULL); -#else entry = lprocfs_add_simple(new_stat->nid_proc, "uuid", new_stat, &lprocfs_exp_uuid_fops); -#endif if (IS_ERR(entry)) { - CWARN("Error adding the NID stats file\n"); rc = PTR_ERR(entry); + CWARN("Error adding the NID stats file: rc = %d\n", rc); GOTO(destroy_new_ns, rc); } -#ifndef HAVE_ONLY_PROCFS_SEQ - entry = lprocfs_add_simple(new_stat->nid_proc, "hash", - lprocfs_exp_rd_hash, NULL, new_stat, NULL); -#else entry = lprocfs_add_simple(new_stat->nid_proc, "hash", new_stat, &lprocfs_exp_hash_fops); -#endif if (IS_ERR(entry)) { - CWARN("Error adding the hash file\n"); rc = PTR_ERR(entry); + CWARN("Error adding the hash file: rc = %d\n", rc); GOTO(destroy_new_ns, rc); } spin_lock(&exp->exp_lock); exp->exp_nid_stats = new_stat; spin_unlock(&exp->exp_lock); - *newnid = 1; + /* protect competitive add to list, not need locking on destroy */ spin_lock(&obd->obd_nid_lock); list_add(&new_stat->nid_list, &obd->obd_nid_stats); spin_unlock(&obd->obd_nid_lock); - RETURN(rc); + RETURN(0); destroy_new_ns: if (new_stat->nid_proc != NULL) @@ -610,7 +404,6 @@ int lprocfs_exp_cleanup(struct obd_export *exp) return 0; } -EXPORT_SYMBOL(lprocfs_exp_cleanup); #define LPROCFS_OBD_OP_INIT(base, stats, op) \ do { \ @@ -649,12 +442,8 @@ void lprocfs_init_ops_stats(int num_private_stats, struct lprocfs_stats *stats) LPROCFS_OBD_OP_INIT(num_private_stats, stats, getattr_async); LPROCFS_OBD_OP_INIT(num_private_stats, stats, preprw); LPROCFS_OBD_OP_INIT(num_private_stats, stats, commitrw); - LPROCFS_OBD_OP_INIT(num_private_stats, stats, change_cbdata); - LPROCFS_OBD_OP_INIT(num_private_stats, stats, find_cbdata); LPROCFS_OBD_OP_INIT(num_private_stats, stats, init_export); LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy_export); - LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_init); - LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_finish); LPROCFS_OBD_OP_INIT(num_private_stats, stats, import_event); LPROCFS_OBD_OP_INIT(num_private_stats, stats, notify); LPROCFS_OBD_OP_INIT(num_private_stats, stats, health_check); @@ -726,10 +515,10 @@ int lprocfs_hash_seq_show(struct seq_file *m, void *data) if (obd == NULL) return 0; - c += cfs_hash_debug_header_seq(m); - c += cfs_hash_debug_str_seq(obd->obd_uuid_hash, m); - c += cfs_hash_debug_str_seq(obd->obd_nid_hash, m); - c += cfs_hash_debug_str_seq(obd->obd_nid_stats_hash, m); + c += cfs_hash_debug_header(m); + c += cfs_hash_debug_str(obd->obd_uuid_hash, m); + c += cfs_hash_debug_str(obd->obd_nid_hash, m); + c += cfs_hash_debug_str(obd->obd_nid_stats_hash, m); return c; } EXPORT_SYMBOL(lprocfs_hash_seq_show); @@ -894,246 +683,4 @@ int lprocfs_target_instance_seq_show(struct seq_file *m, void *data) } EXPORT_SYMBOL(lprocfs_target_instance_seq_show); -#ifndef HAVE_ONLY_PROCFS_SEQ -int lprocfs_obd_rd_hash(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - struct obd_device *obd = data; - int c = 0; - - if (obd == NULL) - return 0; - - c += cfs_hash_debug_header(page, count); - c += cfs_hash_debug_str(obd->obd_uuid_hash, page + c, count - c); - c += cfs_hash_debug_str(obd->obd_nid_hash, page + c, count - c); - c += cfs_hash_debug_str(obd->obd_nid_stats_hash, page+c, count-c); - - return c; -} -EXPORT_SYMBOL(lprocfs_obd_rd_hash); - -int lprocfs_obd_rd_recovery_status(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - struct obd_device *obd = data; - int len = 0, size; - - LASSERT(obd != NULL); - LASSERT(count >= 0); - - /* Set start of user data returned to - page + off since the user may have - requested to read much smaller than - what we need to read */ - *start = page + off; - - /* - * We know we are allocated a page here. - * Also we know that this function will - * not need to write more than a page - * so we can truncate at PAGE_CACHE_SIZE. - */ - size = min(count + (int)off + 1, (int)PAGE_CACHE_SIZE); - - /* Initialize the page */ - memset(page, 0, size); - - if (lprocfs_obd_snprintf(&page, size, &len, "status: ") <= 0) - goto out; - if (obd->obd_max_recoverable_clients == 0) { - if (lprocfs_obd_snprintf(&page, size, &len, "INACTIVE\n") <= 0) - goto out; - - goto fclose; - } - - /* sampled unlocked, but really... */ - if (obd->obd_recovering == 0) { - if (lprocfs_obd_snprintf(&page, size, &len, "COMPLETE\n") <= 0) - goto out; - if (lprocfs_obd_snprintf(&page, size, &len, - "recovery_start: %lu\n", - obd->obd_recovery_start) <= 0) - goto out; - if (lprocfs_obd_snprintf(&page, size, &len, - "recovery_duration: %lu\n", - obd->obd_recovery_end - - obd->obd_recovery_start) <= 0) - goto out; - /* Number of clients that have completed recovery */ - if (lprocfs_obd_snprintf(&page, size, &len, - "completed_clients: %d/%d\n", - obd->obd_max_recoverable_clients - - obd->obd_stale_clients, - obd->obd_max_recoverable_clients) <= 0) - goto out; - if (lprocfs_obd_snprintf(&page, size, &len, - "replayed_requests: %d\n", - obd->obd_replayed_requests) <= 0) - goto out; - if (lprocfs_obd_snprintf(&page, size, &len, - "last_transno: "LPD64"\n", - obd->obd_next_recovery_transno - 1) <= 0) - goto out; - if (lprocfs_obd_snprintf(&page, size, &len, "VBR: %s\n", - obd->obd_version_recov ? - "ENABLED" : "DISABLED") <= 0) - goto out; - if (lprocfs_obd_snprintf(&page, size, &len, "IR: %s\n", - obd->obd_no_ir ? - "DISABLED" : "ENABLED") <= 0) - goto out; - goto fclose; - } - - if (lprocfs_obd_snprintf(&page, size, &len, "RECOVERING\n") <= 0) - goto out; - if (lprocfs_obd_snprintf(&page, size, &len, "recovery_start: %lu\n", - obd->obd_recovery_start) <= 0) - goto out; - if (lprocfs_obd_snprintf(&page, size, &len, "time_remaining: %lu\n", - cfs_time_current_sec() >= - obd->obd_recovery_start + - obd->obd_recovery_timeout ? 0 : - obd->obd_recovery_start + - obd->obd_recovery_timeout - - cfs_time_current_sec()) <= 0) - goto out; - if (lprocfs_obd_snprintf(&page, size, &len, - "connected_clients: %d/%d\n", - atomic_read(&obd->obd_connected_clients), - obd->obd_max_recoverable_clients) <= 0) - goto out; - /* Number of clients that have completed recovery */ - if (lprocfs_obd_snprintf(&page, size, &len, "req_replay_clients: %d\n", - atomic_read(&obd->obd_req_replay_clients)) - <= 0) - goto out; - if (lprocfs_obd_snprintf(&page, size, &len, "lock_repay_clients: %d\n", - atomic_read(&obd->obd_lock_replay_clients)) - <= 0) - goto out; - if (lprocfs_obd_snprintf(&page, size, &len, "completed_clients: %d\n", - atomic_read(&obd->obd_connected_clients) - - atomic_read(&obd->obd_lock_replay_clients)) - <= 0) - goto out; - if (lprocfs_obd_snprintf(&page, size, &len, "evicted_clients: %d\n", - obd->obd_stale_clients) <= 0) - goto out; - if (lprocfs_obd_snprintf(&page, size, &len, "replayed_requests: %d\n", - obd->obd_replayed_requests) <= 0) - goto out; - if (lprocfs_obd_snprintf(&page, size, &len, "queued_requests: %d\n", - obd->obd_requests_queued_for_recovery) <= 0) - goto out; - - if (lprocfs_obd_snprintf(&page, size, &len, "next_transno: "LPD64"\n", - obd->obd_next_recovery_transno) <= 0) - goto out; - -fclose: - *eof = 1; -out: - return min(count, len - (int)off); -} -EXPORT_SYMBOL(lprocfs_obd_rd_recovery_status); - -int lprocfs_obd_rd_ir_factor(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - struct obd_device *obd = (struct obd_device *)data; - LASSERT(obd != NULL); - - return snprintf(page, count, "%d\n", - obd->obd_recovery_ir_factor); -} -EXPORT_SYMBOL(lprocfs_obd_rd_ir_factor); - -int lprocfs_obd_wr_ir_factor(struct file *file, const char *buffer, - unsigned long count, void *data) -{ - struct obd_device *obd = (struct obd_device *)data; - int val, rc; - LASSERT(obd != NULL); - - rc = lprocfs_write_helper(buffer, count, &val); - if (rc) - return rc; - - if (val < OBD_IR_FACTOR_MIN || val > OBD_IR_FACTOR_MAX) - return -EINVAL; - - obd->obd_recovery_ir_factor = val; - return count; -} -EXPORT_SYMBOL(lprocfs_obd_wr_ir_factor); - -int lprocfs_obd_rd_recovery_time_soft(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - struct obd_device *obd = (struct obd_device *)data; - LASSERT(obd != NULL); - - return snprintf(page, count, "%d\n", - obd->obd_recovery_timeout); -} -EXPORT_SYMBOL(lprocfs_obd_rd_recovery_time_soft); - -int lprocfs_obd_wr_recovery_time_soft(struct file *file, const char *buffer, - unsigned long count, void *data) -{ - struct obd_device *obd = (struct obd_device *)data; - int val, rc; - LASSERT(obd != NULL); - - rc = lprocfs_write_helper(buffer, count, &val); - if (rc) - return rc; - - obd->obd_recovery_timeout = val; - return count; -} -EXPORT_SYMBOL(lprocfs_obd_wr_recovery_time_soft); - -int lprocfs_obd_rd_recovery_time_hard(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - struct obd_device *obd = data; - LASSERT(obd != NULL); - - return snprintf(page, count, "%u\n", obd->obd_recovery_time_hard); -} -EXPORT_SYMBOL(lprocfs_obd_rd_recovery_time_hard); - -int lprocfs_obd_wr_recovery_time_hard(struct file *file, const char *buffer, - unsigned long count, void *data) -{ - struct obd_device *obd = data; - int val, rc; - LASSERT(obd != NULL); - - rc = lprocfs_write_helper(buffer, count, &val); - if (rc) - return rc; - - obd->obd_recovery_time_hard = val; - return count; -} -EXPORT_SYMBOL(lprocfs_obd_wr_recovery_time_hard); - -int lprocfs_target_rd_instance(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - struct obd_device *obd = (struct obd_device *)data; - struct obd_device_target *target = &obd->u.obt; - - LASSERT(obd != NULL); - LASSERT(target->obt_magic == OBT_MAGIC); - *eof = 1; - return snprintf(page, count, "%u\n", obd->u.obt.obt_instance); -} -EXPORT_SYMBOL(lprocfs_target_rd_instance); -#endif /* HAVE_ONLY_PROCFS_SEQ */ -#endif /* LPROCFS*/ +#endif /* CONFIG_PROC_FS*/