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Commit 46fd3c61 authored by Liu Xuezhao's avatar Liu Xuezhao Committed by Greg Kroah-Hartman
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staging/lustre/obdclass: add obd_target.h 

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/2678Signed-off-by: default avatarLiu Xuezhao <xuezhao.liu@emc.com>
Signed-off-by: default avatarJohn L. Hammond <john.hammond@intel.com>
Reviewed-by: default avatarAndreas Dilger <andreas.dilger@intel.com>
Reviewed-by: default avatarPeng Tao <bergwolf@gmail.com>
Reviewed-by: default avatarMike Pershin <mike.pershin@intel.com>
Signed-off-by: default avatarPeng Tao <tao.peng@emc.com>
Signed-off-by: default avatarAndreas Dilger <andreas.dilger@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 0dd6f4a4
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Showing with 3 additions and 747 deletions
drivers/staging/lustre/lustre/include/linux/lustre_fsfilt.h
View file @ 46fd3c61
......@@ -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)
{
......
drivers/staging/lustre/lustre/include/lprocfs_status.h
View file @ 46fd3c61
......@@ -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);
......@@ -1018,20 +996,6 @@ __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
......
drivers/staging/lustre/lustre/include/obd.h
View file @ 46fd3c61
......@@ -49,6 +49,8 @@
#define IOC_MDC_MAX_NR 50
#include <lustre/lustre_idl.h>
#include <lustre_lib.h>
#include <linux/libcfs/bitmap.h>
#include <lu_ref.h>
#include <lustre_lib.h>
#include <lustre_export.h>
......@@ -56,9 +58,6 @@
#include <lustre_fld.h>
#include <lustre_capa.h>
#include <linux/libcfs/bitmap.h>
#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,
......@@ -299,94 +274,6 @@ 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;
......@@ -552,25 +439,6 @@ 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;
......@@ -1052,12 +920,8 @@ 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;
......
drivers/staging/lustre/lustre/lvfs/lvfs_linux.c
View file @ 46fd3c61
......@@ -46,7 +46,6 @@
#include <linux/pagemap.h>
#include <linux/quotaops.h>
#include <linux/libcfs/libcfs.h>
#include <lustre_fsfilt.h>
#include <obd.h>
#include <linux/module.h>
#include <linux/init.h>
......
drivers/staging/lustre/lustre/obdclass/Makefile
View file @ 46fd3c61
......@@ -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 lu_ref.o acl.o idmap.o \
......
drivers/staging/lustre/lustre/obdclass/lprocfs_jobstats.c deleted 100644 → 0
View file @ 0dd6f4a4
/* 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 <niu@whamcloud.com>
*/
/*
* lustre/obdclass/lprocfs_jobstats.c
*/
#ifndef EXPORT_SYMTAB
# define EXPORT_SYMTAB
#endif
#define DEBUG_SUBSYSTEM S_CLASS
#include <obd_class.h>
#include <lprocfs_status.h>
#include <lustre/lustre_idl.h>
#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*/
drivers/staging/lustre/lustre/obdclass/obd_mount.c
View file @ 46fd3c61
......@@ -47,7 +47,6 @@
#include <obd.h>
#include <lvfs.h>
#include <lustre_fsfilt.h>
#include <obd_class.h>
#include <lustre/lustre_user.h>
#include <lustre_log.h>
......
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