Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933017Ab3GVQM6 (ORCPT ); Mon, 22 Jul 2013 12:12:58 -0400 Received: from mail-pb0-f47.google.com ([209.85.160.47]:45630 "EHLO mail-pb0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932978Ab3GVQMu (ORCPT ); Mon, 22 Jul 2013 12:12:50 -0400 From: Peng Tao To: Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org, Liu Xuezhao , "John L. Hammond" , Peng Tao , Andreas Dilger Subject: [PATCH 36/48] staging/lustre/obdclass: add obd_target.h Date: Tue, 23 Jul 2013 00:06:57 +0800 Message-Id: <1374509230-3324-37-git-send-email-bergwolf@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1374509230-3324-1-git-send-email-bergwolf@gmail.com> References: <1374509230-3324-1-git-send-email-bergwolf@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 26545 Lines: 907 From: Liu Xuezhao Move some server-side data structures form obd.h to obd_target.h. To remove some code dependencies use HAVE_SERVER_SUPPORT to protect some llog/fsfilt_* functions. Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-1330 Lustre-change: http://review.whamcloud.com/2678 Signed-off-by: Liu Xuezhao Signed-off-by: John L. Hammond Reviewed-by: Andreas Dilger Reviewed-by: Peng Tao Reviewed-by: Mike Pershin Signed-off-by: Peng Tao Signed-off-by: Andreas Dilger --- .../lustre/lustre/include/linux/lustre_fsfilt.h | 10 - .../staging/lustre/lustre/include/lprocfs_status.h | 36 -- drivers/staging/lustre/lustre/include/obd.h | 140 +---- drivers/staging/lustre/lustre/lvfs/lvfs_linux.c | 1 - drivers/staging/lustre/lustre/obdclass/Makefile | 2 +- .../lustre/lustre/obdclass/lprocfs_jobstats.c | 560 -------------------- drivers/staging/lustre/lustre/obdclass/obd_mount.c | 1 - 7 files changed, 3 insertions(+), 747 deletions(-) delete mode 100644 drivers/staging/lustre/lustre/obdclass/lprocfs_jobstats.c diff --git a/drivers/staging/lustre/lustre/include/linux/lustre_fsfilt.h b/drivers/staging/lustre/lustre/include/linux/lustre_fsfilt.h index 6c72609..e637006 100644 --- a/drivers/staging/lustre/lustre/include/linux/lustre_fsfilt.h +++ b/drivers/staging/lustre/lustre/include/linux/lustre_fsfilt.h @@ -145,16 +145,6 @@ static inline int fsfilt_commit(struct obd_device *obd, struct inode *inode, return rc; } -static inline int fsfilt_map_inode_pages(struct obd_device *obd, - struct inode *inode, - struct page **page, int pages, - unsigned long *blocks, - int create, struct mutex *mutex) -{ - return obd->obd_fsops->fs_map_inode_pages(inode, page, pages, blocks, - create, mutex); -} - static inline int fsfilt_read_record(struct obd_device *obd, struct file *file, void *buf, loff_t size, loff_t *offs) { diff --git a/drivers/staging/lustre/lustre/include/lprocfs_status.h b/drivers/staging/lustre/lustre/include/lprocfs_status.h index 294fb78..20633d4 100644 --- a/drivers/staging/lustre/lustre/include/lprocfs_status.h +++ b/drivers/staging/lustre/lustre/include/lprocfs_status.h @@ -370,18 +370,6 @@ static inline void s2dhms(struct dhms *ts, time_t secs) #define JOBSTATS_DISABLE "disable" #define JOBSTATS_PROCNAME_UID "procname_uid" -typedef void (*cntr_init_callback)(struct lprocfs_stats *stats); - -struct obd_job_stats { - cfs_hash_t *ojs_hash; - struct list_head ojs_list; - rwlock_t ojs_lock; /* protect the obj_list */ - cntr_init_callback ojs_cntr_init_fn; - int ojs_cntr_num; - int ojs_cleanup_interval; - time_t ojs_last_cleanup; -}; - #ifdef LPROCFS extern int lprocfs_stats_alloc_one(struct lprocfs_stats *stats, @@ -748,16 +736,6 @@ struct file_operations name##_fops = { \ .release = lprocfs_single_release, \ }; -/* lprocfs_jobstats.c */ -int lprocfs_job_stats_log(struct obd_device *obd, char *jobid, - int event, long amount); -void lprocfs_job_stats_fini(struct obd_device *obd); -int lprocfs_job_stats_init(struct obd_device *obd, int cntr_num, - cntr_init_callback fn); -int lprocfs_rd_job_interval(struct seq_file *m, void *data); -int lprocfs_wr_job_interval(struct file *file, const char *buffer, - unsigned long count, void *data); - /* lproc_ptlrpc.c */ struct ptlrpc_request; extern void target_print_req(void *seq_file, struct ptlrpc_request *req); @@ -1021,20 +999,6 @@ __u64 lprocfs_stats_collector(struct lprocfs_stats *stats, int idx, #define LPROC_SEQ_FOPS_RW_TYPE(name, type) #define LPROC_SEQ_FOPS_WR_ONLY(name, type) -/* lprocfs_jobstats.c */ -static inline -int lprocfs_job_stats_log(struct obd_device *obd, char *jobid, int event, - long amount) -{ return 0; } -static inline -void lprocfs_job_stats_fini(struct obd_device *obd) -{ return; } -static inline -int lprocfs_job_stats_init(struct obd_device *obd, int cntr_num, - cntr_init_callback fn) -{ return 0; } - - /* lproc_ptlrpc.c */ #define target_print_req NULL diff --git a/drivers/staging/lustre/lustre/include/obd.h b/drivers/staging/lustre/lustre/include/obd.h index fbf997f..be3a08f 100644 --- a/drivers/staging/lustre/lustre/include/obd.h +++ b/drivers/staging/lustre/lustre/include/obd.h @@ -49,6 +49,8 @@ #define IOC_MDC_MAX_NR 50 #include +#include +#include #include #include #include @@ -56,9 +58,6 @@ #include #include -#include - - #define MAX_OBD_DEVICES 8192 struct osc_async_rc { @@ -254,30 +253,6 @@ struct brw_page { obd_flag flag; }; -/* Individual type definitions */ - -struct ost_server_data; - -struct osd_properties { - size_t osd_max_ea_size; -}; - -#define OBT_MAGIC 0xBDDECEAE -/* hold common fields for "target" device */ -struct obd_device_target { - __u32 obt_magic; - __u32 obt_instance; - struct super_block *obt_sb; - /** last_rcvd file */ - struct file *obt_rcvd_filp; - __u64 obt_mount_count; - struct rw_semaphore obt_rwsem; - struct vfsmount *obt_vfsmnt; - struct file *obt_health_check_filp; - struct osd_properties obt_osd_properties; - struct obd_job_stats obt_jobstats; -}; - /* llog contexts */ enum llog_ctxt_id { LLOG_CONFIG_ORIG_CTXT = 0, @@ -298,94 +273,6 @@ enum llog_ctxt_id { LLOG_MAX_CTXTS }; -#define FILTER_SUBDIR_COUNT 32 /* set to zero for no subdirs */ - -struct filter_subdirs { - struct dentry *dentry[FILTER_SUBDIR_COUNT]; -}; - - -struct filter_ext { - __u64 fe_start; - __u64 fe_end; -}; - -struct filter_obd { - /* NB this field MUST be first */ - struct obd_device_target fo_obt; - const char *fo_fstype; - - int fo_group_count; - struct dentry *fo_dentry_O; - struct dentry **fo_dentry_O_groups; - struct filter_subdirs *fo_dentry_O_sub; - struct mutex fo_init_lock; /* group initialization lock*/ - int fo_committed_group; - - spinlock_t fo_objidlock; /* protect fo_lastobjid */ - - unsigned long fo_destroys_in_progress; - struct mutex fo_create_locks[FILTER_SUBDIR_COUNT]; - - struct list_head fo_export_list; - int fo_subdir_count; - - obd_size fo_tot_dirty; /* protected by obd_osfs_lock */ - obd_size fo_tot_granted; /* all values in bytes */ - obd_size fo_tot_pending; - int fo_tot_granted_clients; - - obd_size fo_readcache_max_filesize; - spinlock_t fo_flags_lock; - unsigned int fo_read_cache:1, /**< enable read-only cache */ - fo_writethrough_cache:1,/**< read cache writes */ - fo_mds_ost_sync:1, /**< MDS-OST orphan recovery*/ - fo_raid_degraded:1;/**< RAID device degraded */ - - struct obd_import *fo_mdc_imp; - struct obd_uuid fo_mdc_uuid; - struct lustre_handle fo_mdc_conn; - struct file **fo_last_objid_files; - __u64 *fo_last_objids; /* last created objid for groups, - * protected by fo_objidlock */ - - struct mutex fo_alloc_lock; - - atomic_t fo_r_in_flight; - atomic_t fo_w_in_flight; - - /* - * per-filter pool of kiobuf's allocated by filter_common_setup() and - * torn down by filter_cleanup(). - * - * This pool contains kiobuf used by - * filter_{prep,commit}rw_{read,write}() and is shared by all OST - * threads. - * - * Locking: protected by internal lock of cfs_hash, pool can be - * found from this hash table by t_id of ptlrpc_thread. - */ - struct cfs_hash *fo_iobuf_hash; - - struct brw_stats fo_filter_stats; - - int fo_fmd_max_num; /* per exp filter_mod_data */ - int fo_fmd_max_age; /* jiffies to fmd expiry */ - unsigned long fo_syncjournal:1, /* sync journal on writes */ - fo_sync_lock_cancel:2;/* sync on lock cancel */ - - - /* sptlrpc stuff */ - rwlock_t fo_sptlrpc_lock; - struct sptlrpc_rule_set fo_sptlrpc_rset; - - /* capability related */ - unsigned int fo_fl_oss_capa; - struct list_head fo_capa_keys; - struct hlist_head *fo_capa_hash; - int fo_sec_level; -}; - struct timeout_item { enum timeout_event ti_event; cfs_time_t ti_timeout; @@ -551,25 +438,6 @@ struct obd_id_info { obd_id *data; }; -/* */ - -struct echo_obd { - struct obd_device_target eo_obt; - struct obdo eo_oa; - spinlock_t eo_lock; - __u64 eo_lastino; - struct lustre_handle eo_nl_lock; - atomic_t eo_prep; -}; - -struct ost_obd { - struct ptlrpc_service *ost_service; - struct ptlrpc_service *ost_create_service; - struct ptlrpc_service *ost_io_service; - struct ptlrpc_service *ost_seq_service; - struct mutex ost_health_mutex; -}; - struct echo_client_obd { struct obd_export *ec_exp; /* the local connection to osc/lov */ spinlock_t ec_lock; @@ -1051,12 +919,8 @@ struct obd_device { int obd_recovery_stage; union { - struct obd_device_target obt; - struct filter_obd filter; struct client_obd cli; - struct ost_obd ost; struct echo_client_obd echo_client; - struct echo_obd echo; struct lov_obd lov; struct lmv_obd lmv; } u; diff --git a/drivers/staging/lustre/lustre/lvfs/lvfs_linux.c b/drivers/staging/lustre/lustre/lvfs/lvfs_linux.c index e70d8fe..8bfae01 100644 --- a/drivers/staging/lustre/lustre/lvfs/lvfs_linux.c +++ b/drivers/staging/lustre/lustre/lvfs/lvfs_linux.c @@ -48,7 +48,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/staging/lustre/lustre/obdclass/Makefile b/drivers/staging/lustre/lustre/obdclass/Makefile index 9930a9e..023e94f 100644 --- a/drivers/staging/lustre/lustre/obdclass/Makefile +++ b/drivers/staging/lustre/lustre/obdclass/Makefile @@ -3,7 +3,7 @@ obj-$(CONFIG_LUSTRE_FS) += obdclass.o llog_test.o obdclass-y := linux/linux-module.o linux/linux-obdo.o linux/linux-sysctl.o \ llog.o llog_cat.o llog_obd.o llog_swab.o class_obd.o debug.o \ genops.o uuid.o llog_ioctl.o lprocfs_status.o \ - lprocfs_jobstats.o lustre_handles.o lustre_peer.o llog_osd.o \ + lustre_handles.o lustre_peer.o llog_osd.o \ local_storage.o statfs_pack.o obdo.o obd_config.o obd_mount.o\ mea.o lu_object.o dt_object.o capa.o cl_object.o \ cl_page.o cl_lock.o cl_io.o acl.o idmap.o lu_ucred.o diff --git a/drivers/staging/lustre/lustre/obdclass/lprocfs_jobstats.c b/drivers/staging/lustre/lustre/obdclass/lprocfs_jobstats.c deleted file mode 100644 index 7f6072c..0000000 --- a/drivers/staging/lustre/lustre/obdclass/lprocfs_jobstats.c +++ /dev/null @@ -1,560 +0,0 @@ -/* GPL HEADER START - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 only, - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License version 2 for more details (a copy is included - * in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU General Public License - * version 2 along with this program; If not, see - * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf - * - * GPL HEADER END - */ -/* - * Copyright (c) 2011, 2012, Intel Corporation. - * Use is subject to license terms. - * - * Author: Niu Yawei - */ -/* - * lustre/obdclass/lprocfs_jobstats.c - */ - -#ifndef EXPORT_SYMTAB -# define EXPORT_SYMTAB -#endif -#define DEBUG_SUBSYSTEM S_CLASS - - -#include -#include -#include - -#if defined(LPROCFS) - -/* - * JobID formats & JobID environment variable names for supported - * job schedulers: - * - * SLURM: - * JobID format: 32 bit integer. - * JobID env var: SLURM_JOB_ID. - * SGE: - * JobID format: Decimal integer range to 99999. - * JobID env var: JOB_ID. - * LSF: - * JobID format: 6 digit integer by default (up to 999999), can be - * increased to 10 digit (up to 2147483646). - * JobID env var: LSB_JOBID. - * Loadleveler: - * JobID format: String of machine_name.cluster_id.process_id, for - * example: fr2n02.32.0 - * JobID env var: LOADL_STEP_ID. - * PBS: - * JobID format: String of sequence_number[.server_name][@server]. - * JobID env var: PBS_JOBID. - * Maui/MOAB: - * JobID format: Same as PBS. - * JobID env var: Same as PBS. - */ - -struct job_stat { - struct hlist_node js_hash; - struct list_head js_list; - atomic_t js_refcount; - char js_jobid[JOBSTATS_JOBID_SIZE]; - time_t js_timestamp; /* seconds */ - struct lprocfs_stats *js_stats; - struct obd_job_stats *js_jobstats; -}; - -static unsigned job_stat_hash(cfs_hash_t *hs, const void *key, unsigned mask) -{ - return cfs_hash_djb2_hash(key, strlen(key), mask); -} - -static void *job_stat_key(struct hlist_node *hnode) -{ - struct job_stat *job; - job = hlist_entry(hnode, struct job_stat, js_hash); - return job->js_jobid; -} - -static int job_stat_keycmp(const void *key, struct hlist_node *hnode) -{ - struct job_stat *job; - job = hlist_entry(hnode, struct job_stat, js_hash); - return (strlen(job->js_jobid) == strlen(key)) && - !strncmp(job->js_jobid, key, strlen(key)); -} - -static void *job_stat_object(struct hlist_node *hnode) -{ - return hlist_entry(hnode, struct job_stat, js_hash); -} - -static void job_stat_get(cfs_hash_t *hs, struct hlist_node *hnode) -{ - struct job_stat *job; - job = hlist_entry(hnode, struct job_stat, js_hash); - atomic_inc(&job->js_refcount); -} - -static void job_free(struct job_stat *job) -{ - LASSERT(atomic_read(&job->js_refcount) == 0); - LASSERT(job->js_jobstats); - - write_lock(&job->js_jobstats->ojs_lock); - list_del_init(&job->js_list); - write_unlock(&job->js_jobstats->ojs_lock); - - lprocfs_free_stats(&job->js_stats); - OBD_FREE_PTR(job); -} - -static void job_putref(struct job_stat *job) -{ - LASSERT(atomic_read(&job->js_refcount) > 0); - if (atomic_dec_and_test(&job->js_refcount)) - job_free(job); -} - -static void job_stat_put_locked(cfs_hash_t *hs, struct hlist_node *hnode) -{ - struct job_stat *job; - job = hlist_entry(hnode, struct job_stat, js_hash); - job_putref(job); -} - -static void job_stat_exit(cfs_hash_t *hs, struct hlist_node *hnode) -{ - CERROR("Should not have any items!"); -} - -static cfs_hash_ops_t job_stats_hash_ops = { - .hs_hash = job_stat_hash, - .hs_key = job_stat_key, - .hs_keycmp = job_stat_keycmp, - .hs_object = job_stat_object, - .hs_get = job_stat_get, - .hs_put_locked = job_stat_put_locked, - .hs_exit = job_stat_exit, -}; - -static int job_iter_callback(cfs_hash_t *hs, cfs_hash_bd_t *bd, - struct hlist_node *hnode, void *data) -{ - time_t oldest = *((time_t *)data); - struct job_stat *job; - - job = hlist_entry(hnode, struct job_stat, js_hash); - if (!oldest || job->js_timestamp < oldest) - cfs_hash_bd_del_locked(hs, bd, hnode); - - return 0; -} - -static void lprocfs_job_cleanup(struct obd_job_stats *stats, bool force) -{ - time_t oldest, now; - - if (stats->ojs_cleanup_interval == 0) - return; - - now = cfs_time_current_sec(); - if (!force && now < stats->ojs_last_cleanup + - stats->ojs_cleanup_interval) - return; - - oldest = now - stats->ojs_cleanup_interval; - cfs_hash_for_each_safe(stats->ojs_hash, job_iter_callback, - &oldest); - stats->ojs_last_cleanup = cfs_time_current_sec(); -} - -static struct job_stat *job_alloc(char *jobid, struct obd_job_stats *jobs) -{ - struct job_stat *job; - - LASSERT(jobs->ojs_cntr_num && jobs->ojs_cntr_init_fn); - - OBD_ALLOC_PTR(job); - if (job == NULL) - return NULL; - - job->js_stats = lprocfs_alloc_stats(jobs->ojs_cntr_num, 0); - if (job->js_stats == NULL) { - OBD_FREE_PTR(job); - return NULL; - } - - jobs->ojs_cntr_init_fn(job->js_stats); - - memcpy(job->js_jobid, jobid, JOBSTATS_JOBID_SIZE); - job->js_timestamp = cfs_time_current_sec(); - job->js_jobstats = jobs; - INIT_HLIST_NODE(&job->js_hash); - INIT_LIST_HEAD(&job->js_list); - atomic_set(&job->js_refcount, 1); - - return job; -} - -int lprocfs_job_stats_log(struct obd_device *obd, char *jobid, - int event, long amount) -{ - struct obd_job_stats *stats = &obd->u.obt.obt_jobstats; - struct job_stat *job, *job2; - ENTRY; - - LASSERT(stats && stats->ojs_hash); - - lprocfs_job_cleanup(stats, false); - - if (!jobid || !strlen(jobid)) - RETURN(-EINVAL); - - if (strlen(jobid) >= JOBSTATS_JOBID_SIZE) { - CERROR("Invalid jobid size (%lu), expect(%d)\n", - (unsigned long)strlen(jobid) + 1, JOBSTATS_JOBID_SIZE); - RETURN(-EINVAL); - } - - job = cfs_hash_lookup(stats->ojs_hash, jobid); - if (job) - goto found; - - job = job_alloc(jobid, stats); - if (job == NULL) - RETURN(-ENOMEM); - - job2 = cfs_hash_findadd_unique(stats->ojs_hash, job->js_jobid, - &job->js_hash); - if (job2 != job) { - job_putref(job); - job = job2; - /* We cannot LASSERT(!list_empty(&job->js_list)) here, - * since we just lost the race for inserting "job" into the - * ojs_list, and some other thread is doing it _right_now_. - * Instead, be content the other thread is doing this, since - * "job2" was initialized in job_alloc() already. LU-2163 */ - } else { - LASSERT(list_empty(&job->js_list)); - write_lock(&stats->ojs_lock); - list_add_tail(&job->js_list, &stats->ojs_list); - write_unlock(&stats->ojs_lock); - } - -found: - LASSERT(stats == job->js_jobstats); - LASSERT(stats->ojs_cntr_num > event); - job->js_timestamp = cfs_time_current_sec(); - lprocfs_counter_add(job->js_stats, event, amount); - - job_putref(job); - RETURN(0); -} -EXPORT_SYMBOL(lprocfs_job_stats_log); - -void lprocfs_job_stats_fini(struct obd_device *obd) -{ - struct obd_job_stats *stats = &obd->u.obt.obt_jobstats; - time_t oldest = 0; - - if (stats->ojs_hash == NULL) - return; - cfs_hash_for_each_safe(stats->ojs_hash, job_iter_callback, &oldest); - cfs_hash_putref(stats->ojs_hash); - stats->ojs_hash = NULL; - LASSERT(list_empty(&stats->ojs_list)); -} -EXPORT_SYMBOL(lprocfs_job_stats_fini); - -static void *lprocfs_jobstats_seq_start(struct seq_file *p, loff_t *pos) -{ - struct obd_job_stats *stats = p->private; - loff_t off = *pos; - struct job_stat *job; - - read_lock(&stats->ojs_lock); - if (off == 0) - return SEQ_START_TOKEN; - off--; - list_for_each_entry(job, &stats->ojs_list, js_list) { - if (!off--) - return job; - } - return NULL; -} - -static void lprocfs_jobstats_seq_stop(struct seq_file *p, void *v) -{ - struct obd_job_stats *stats = p->private; - - read_unlock(&stats->ojs_lock); -} - -static void *lprocfs_jobstats_seq_next(struct seq_file *p, void *v, loff_t *pos) -{ - struct obd_job_stats *stats = p->private; - struct job_stat *job; - struct list_head *next; - - ++*pos; - if (v == SEQ_START_TOKEN) { - next = stats->ojs_list.next; - } else { - job = (struct job_stat *)v; - next = job->js_list.next; - } - - return next == &stats->ojs_list ? NULL : - list_entry(next, struct job_stat, js_list); -} - -/* - * Example of output on MDT: - * - * job_stats: - * - job_id: test_id.222.25844 - * snapshot_time: 1322494486 - * open: { samples: 3, unit: reqs } - * close: { samples: 3, unit: reqs } - * mknod: { samples: 0, unit: reqs } - * link: { samples: 0, unit: reqs } - * unlink: { samples: 0, unit: reqs } - * mkdir: { samples: 0, unit: reqs } - * rmdir: { samples: 0, unit: reqs } - * rename: { samples: 1, unit: reqs } - * getattr: { samples: 7, unit: reqs } - * setattr: { samples: 0, unit: reqs } - * getxattr: { samples: 0, unit: reqs } - * setxattr: { samples: 0, unit: reqs } - * statfs: { samples: 0, unit: reqs } - * sync: { samples: 0, unit: reqs } - * - * Example of output on OST: - * - * job_stats: - * - job_id 4854 - * snapshot_time: 1322494602 - * read: { samples: 0, unit: bytes, min: 0, max: 0, sum: 0 } - * write: { samples: 1, unit: bytes, min: 10, max: 10, sum: 10 } - * setattr: { samples: 0, unit: reqs } - * punch: { samples: 0, unit: reqs } - * sync: { samples: 0, unit: reqs } - */ - -static const char spaces[] = " "; - -static int inline width(const char *str, int len) -{ - return len - min((int)strlen(str), 15); -} - -static int lprocfs_jobstats_seq_show(struct seq_file *p, void *v) -{ - struct job_stat *job = v; - struct lprocfs_stats *s; - struct lprocfs_counter ret; - struct lprocfs_counter_header *cntr_header; - int i; - - if (v == SEQ_START_TOKEN) { - seq_printf(p, "job_stats:\n"); - return 0; - } - - seq_printf(p, "- %-16s %s\n", "job_id:", job->js_jobid); - seq_printf(p, " %-16s %ld\n", "snapshot_time:", job->js_timestamp); - - s = job->js_stats; - for (i = 0; i < s->ls_num; i++) { - cntr_header = &s->ls_cnt_header[i]; - lprocfs_stats_collect(s, i, &ret); - - seq_printf(p, " %s:%.*s { samples: %11"LPF64"u", - cntr_header->lc_name, - width(cntr_header->lc_name, 15), spaces, - ret.lc_count); - if (cntr_header->lc_units[0] != '\0') - seq_printf(p, ", unit: %5s", cntr_header->lc_units); - - if (cntr_header->lc_config & LPROCFS_CNTR_AVGMINMAX) { - seq_printf(p, ", min:%8"LPF64"u, max:%8"LPF64"u," - " sum:%16"LPF64"u", - ret.lc_count ? ret.lc_min : 0, - ret.lc_count ? ret.lc_max : 0, - ret.lc_count ? ret.lc_sum : 0); - } - if (cntr_header->lc_config & LPROCFS_CNTR_STDDEV) { - seq_printf(p, ", sumsq: %18"LPF64"u", - ret.lc_count ? ret.lc_sumsquare : 0); - } - - seq_printf(p, " }\n"); - - } - return 0; -} - -struct seq_operations lprocfs_jobstats_seq_sops = { - start: lprocfs_jobstats_seq_start, - stop: lprocfs_jobstats_seq_stop, - next: lprocfs_jobstats_seq_next, - show: lprocfs_jobstats_seq_show, -}; - -static int lprocfs_jobstats_seq_open(struct inode *inode, struct file *file) -{ - struct seq_file *seq; - int rc; - - rc = seq_open(file, &lprocfs_jobstats_seq_sops); - if (rc) - return rc; - seq = file->private_data; - seq->private = PDE_DATA(inode); - return 0; -} - -static ssize_t lprocfs_jobstats_seq_write(struct file *file, const char *buf, - size_t len, loff_t *off) -{ - struct seq_file *seq = file->private_data; - struct obd_job_stats *stats = seq->private; - char jobid[JOBSTATS_JOBID_SIZE]; - int all = 0; - struct job_stat *job; - - if (!memcmp(buf, "clear", strlen("clear"))) { - all = 1; - } else if (len < JOBSTATS_JOBID_SIZE) { - memset(jobid, 0, JOBSTATS_JOBID_SIZE); - /* Trim '\n' if any */ - if (buf[len - 1] == '\n') - memcpy(jobid, buf, len - 1); - else - memcpy(jobid, buf, len); - } else { - return -EINVAL; - } - - LASSERT(stats->ojs_hash); - if (all) { - time_t oldest = 0; - cfs_hash_for_each_safe(stats->ojs_hash, job_iter_callback, - &oldest); - return len; - } - - if (!strlen(jobid)) - return -EINVAL; - - job = cfs_hash_lookup(stats->ojs_hash, jobid); - if (!job) - return -EINVAL; - - cfs_hash_del_key(stats->ojs_hash, jobid); - - job_putref(job); - return len; -} - -struct file_operations lprocfs_jobstats_seq_fops = { - .owner = THIS_MODULE, - .open = lprocfs_jobstats_seq_open, - .read = seq_read, - .write = lprocfs_jobstats_seq_write, - .llseek = seq_lseek, - .release = lprocfs_seq_release, -}; - -int lprocfs_job_stats_init(struct obd_device *obd, int cntr_num, - cntr_init_callback init_fn) -{ - struct proc_dir_entry *entry; - struct obd_job_stats *stats; - ENTRY; - - LASSERT(obd->obd_proc_entry != NULL); - LASSERT(obd->obd_type->typ_name); - - if (strcmp(obd->obd_type->typ_name, LUSTRE_MDT_NAME) && - strcmp(obd->obd_type->typ_name, LUSTRE_OST_NAME)) { - CERROR("Invalid obd device type.\n"); - RETURN(-EINVAL); - } - stats = &obd->u.obt.obt_jobstats; - - LASSERT(stats->ojs_hash == NULL); - stats->ojs_hash = cfs_hash_create("JOB_STATS", - HASH_JOB_STATS_CUR_BITS, - HASH_JOB_STATS_MAX_BITS, - HASH_JOB_STATS_BKT_BITS, 0, - CFS_HASH_MIN_THETA, - CFS_HASH_MAX_THETA, - &job_stats_hash_ops, - CFS_HASH_DEFAULT); - if (stats->ojs_hash == NULL) - RETURN(-ENOMEM); - - INIT_LIST_HEAD(&stats->ojs_list); - rwlock_init(&stats->ojs_lock); - stats->ojs_cntr_num = cntr_num; - stats->ojs_cntr_init_fn = init_fn; - stats->ojs_cleanup_interval = 600; /* 10 mins by default */ - stats->ojs_last_cleanup = cfs_time_current_sec(); - - entry = proc_create_data("job_stats", 0644, obd->obd_proc_entry, - &lprocfs_jobstats_seq_fops, stats); - if (entry) - RETURN(0); - else - RETURN(-ENOMEM); -} -EXPORT_SYMBOL(lprocfs_job_stats_init); - -int lprocfs_rd_job_interval(struct seq_file *m, void *data) -{ - struct obd_device *obd = (struct obd_device *)data; - struct obd_job_stats *stats; - - LASSERT(obd != NULL); - stats = &obd->u.obt.obt_jobstats; - return seq_printf(m, "%d\n", stats->ojs_cleanup_interval); -} -EXPORT_SYMBOL(lprocfs_rd_job_interval); - -int lprocfs_wr_job_interval(struct file *file, const char *buffer, - unsigned long count, void *data) -{ - struct obd_device *obd = (struct obd_device *)data; - struct obd_job_stats *stats; - int val, rc; - - LASSERT(obd != NULL); - stats = &obd->u.obt.obt_jobstats; - - rc = lprocfs_write_helper(buffer, count, &val); - if (rc) - return rc; - - stats->ojs_cleanup_interval = val; - lprocfs_job_cleanup(stats, true); - - return count; - -} -EXPORT_SYMBOL(lprocfs_wr_job_interval); - -#endif /* LPROCFS*/ diff --git a/drivers/staging/lustre/lustre/obdclass/obd_mount.c b/drivers/staging/lustre/lustre/obdclass/obd_mount.c index 99adad9..4f20723 100644 --- a/drivers/staging/lustre/lustre/obdclass/obd_mount.c +++ b/drivers/staging/lustre/lustre/obdclass/obd_mount.c @@ -47,7 +47,6 @@ #include #include -#include #include #include #include -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/