#define DEBUG_SUBSYSTEM S_CLASS
#ifndef __KERNEL__
-# include <liblustre.h>
+#include <liblustre.h>
#endif
#include <obd_class.h>
#define MAX_STRING_SIZE 128
-/* for bug 10866, global variable */
-DECLARE_RWSEM(_lprocfs_lock);
-EXPORT_SYMBOL(_lprocfs_lock);
-
int lprocfs_single_release(struct inode *inode, struct file *file)
{
- LPROCFS_EXIT();
return single_release(inode, file);
}
EXPORT_SYMBOL(lprocfs_single_release);
int lprocfs_seq_release(struct inode *inode, struct file *file)
{
- LPROCFS_EXIT();
return seq_release(inode, file);
}
EXPORT_SYMBOL(lprocfs_seq_release);
+#ifndef HAVE_ONLY_PROCFS_SEQ
+/* for b=10866, global variable */
+DECLARE_RWSEM(_lprocfs_lock);
+EXPORT_SYMBOL(_lprocfs_lock);
+
static struct proc_dir_entry *__lprocfs_srch(struct proc_dir_entry *head,
const char *name)
{
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. */
+#ifdef HAVE_SERVER_SUPPORT
static int lprocfs_obd_snprintf(char **page, int end, int *len,
const char *format, ...)
{
*page += n; *len += n;
return n;
}
+#endif /* HAVE_SERVER_SUPPORT */
+#endif /* HAVE_ONLY_PROCFS_SEQ */
cfs_proc_dir_entry_t *lprocfs_add_simple(struct proc_dir_entry *root,
char *name,
- read_proc_t *read_proc,
- write_proc_t *write_proc,
+#ifndef HAVE_ONLY_PROCFS_SEQ
+ read_proc_t *read_proc,
+ write_proc_t *write_proc,
+#endif
void *data,
struct file_operations *fops)
{
if (root == NULL || name == NULL)
return ERR_PTR(-EINVAL);
- if (read_proc)
- mode = 0444;
- if (write_proc)
- mode |= 0200;
- if (fops)
- mode = 0644;
- LPROCFS_WRITE_ENTRY();
- proc = create_proc_entry(name, mode, root);
- if (!proc) {
- CERROR("LprocFS: No memory to create /proc entry %s", name);
- LPROCFS_WRITE_EXIT();
- return ERR_PTR(-ENOMEM);
- }
- proc->read_proc = read_proc;
- proc->write_proc = write_proc;
- proc->data = data;
- if (fops)
- proc->proc_fops = fops;
- LPROCFS_WRITE_EXIT();
+
+ if (!fops) {
+#ifndef HAVE_ONLY_PROCFS_SEQ
+ if (read_proc)
+ mode = 0444;
+ if (write_proc)
+ mode |= 0200;
+
+ LPROCFS_WRITE_ENTRY();
+ proc = create_proc_entry(name, mode, root);
+ if (!proc) {
+ CERROR("LprocFS: No memory to create /proc entry %s", name);
+ LPROCFS_WRITE_EXIT();
+ return ERR_PTR(-ENOMEM);
+ }
+ proc->read_proc = read_proc;
+ proc->write_proc = write_proc;
+ proc->data = data;
+ LPROCFS_WRITE_EXIT();
+#else
+ return ERR_PTR(-EINVAL);
+#endif
+ } else {
+ if (fops->read)
+ mode = 0444;
+ if (fops->write)
+ mode |= 0200;
+ proc = proc_create_data(name, mode, root, fops, data);
+ if (!proc) {
+ CERROR("LprocFS: No memory to create /proc entry %s",
+ name);
+ return ERR_PTR(-ENOMEM);
+ }
+ }
return proc;
}
EXPORT_SYMBOL(lprocfs_add_simple);
}
EXPORT_SYMBOL(lprocfs_add_symlink);
+#ifndef HAVE_ONLY_PROCFS_SEQ
static ssize_t lprocfs_fops_read(struct file *f, char __user *buf,
size_t size, loff_t *ppos)
{
if (page == NULL)
return -ENOMEM;
- if (LPROCFS_ENTRY_AND_CHECK(dp)) {
+ if (LPROCFS_ENTRY_CHECK(dp)) {
rc = -ENOENT;
goto out;
}
if (dp->read_proc)
rc = dp->read_proc(page, &start, *ppos, PAGE_CACHE_SIZE,
&eof, dp->data);
- LPROCFS_EXIT();
if (rc <= 0)
goto out;
struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
int rc = -EIO;
- if (LPROCFS_ENTRY_AND_CHECK(dp))
+ if (LPROCFS_ENTRY_CHECK(dp))
return -ENOENT;
if (dp->write_proc)
rc = dp->write_proc(f, buf, size, dp->data);
- LPROCFS_EXIT();
return rc;
}
.read = lprocfs_fops_read,
.write = lprocfs_fops_write,
};
+#else
+static struct file_operations lprocfs_generic_fops = { };
+#endif
+#ifdef HAVE_SERVER_SUPPORT
int lprocfs_evict_client_open(struct inode *inode, struct file *f)
{
struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
int lprocfs_evict_client_release(struct inode *inode, struct file *f)
{
- struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
- struct obd_device *obd = dp->data;
+ struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
+ struct obd_device *obd = dp->data;
- cfs_atomic_dec(&obd->obd_evict_inprogress);
- cfs_waitq_signal(&obd->obd_evict_inprogress_waitq);
+ cfs_atomic_dec(&obd->obd_evict_inprogress);
+ wake_up(&obd->obd_evict_inprogress_waitq);
- return 0;
+ return 0;
}
struct file_operations lprocfs_evict_client_fops = {
.release = lprocfs_evict_client_release,
};
EXPORT_SYMBOL(lprocfs_evict_client_fops);
+#endif
-/**
- * Add /proc entries.
- *
- * \param root [in] The parent proc entry on which new entry will be added.
- * \param list [in] Array of proc entries to be added.
- * \param data [in] The argument to be passed when entries read/write routines
- * are called through /proc file.
- *
- * \retval 0 on success
- * < 0 on error
- */
-int lprocfs_add_vars(struct proc_dir_entry *root, struct lprocfs_vars *list,
- void *data)
+#ifndef HAVE_ONLY_PROCFS_SEQ
+static int __lprocfs_add_vars(struct proc_dir_entry *root,
+ struct lprocfs_vars *list,
+ void *data)
{
int rc = 0;
if (root == NULL || list == NULL)
return -EINVAL;
- LPROCFS_WRITE_ENTRY();
while (list->name != NULL) {
struct proc_dir_entry *cur_root, *proc;
char *pathcopy, *cur, *next, pathbuf[64];
list++;
}
out:
- LPROCFS_WRITE_EXIT();
return rc;
}
+
+int lprocfs_add_vars(struct proc_dir_entry *root, struct lprocfs_vars *list,
+ void *data)
+{
+ int rc = 0;
+
+ LPROCFS_WRITE_ENTRY();
+ rc = __lprocfs_add_vars(root, list, data);
+ LPROCFS_WRITE_EXIT();
+
+ return rc;
+}
EXPORT_SYMBOL(lprocfs_add_vars);
-void lprocfs_remove_nolock(struct proc_dir_entry **rooth)
+#endif
+
+/**
+ * Add /proc entries.
+ *
+ * \param root [in] The parent proc entry on which new entry will be added.
+ * \param list [in] Array of proc entries to be added.
+ * \param data [in] The argument to be passed when entries read/write routines
+ * are called through /proc file.
+ *
+ * \retval 0 on success
+ * < 0 on error
+ */
+int
+lprocfs_seq_add_vars(struct proc_dir_entry *root, struct lprocfs_seq_vars *list,
+ void *data)
+{
+ if (root == NULL || list == NULL)
+ return -EINVAL;
+
+ while (list->name != NULL) {
+ struct proc_dir_entry *proc;
+ mode_t mode = 0;
+
+ if (list->proc_mode != 0000) {
+ mode = list->proc_mode;
+ } else if (list->fops) {
+ if (list->fops->read)
+ mode = 0444;
+ if (list->fops->write)
+ mode |= 0200;
+ }
+ proc = proc_create_data(list->name, mode, root,
+ list->fops ?: &lprocfs_generic_fops,
+ list->data ?: data);
+ if (proc == NULL)
+ return -ENOMEM;
+ list++;
+ }
+ return 0;
+}
+EXPORT_SYMBOL(lprocfs_seq_add_vars);
+
+#ifndef HAVE_ONLY_PROCFS_SEQ
+void lprocfs_remove_nolock(struct proc_dir_entry **proot)
{
- struct proc_dir_entry *root = *rooth;
- struct proc_dir_entry *temp = root;
- struct proc_dir_entry *rm_entry;
- struct proc_dir_entry *parent;
+ struct proc_dir_entry *root = *proot;
+ struct proc_dir_entry *temp = root;
+ struct proc_dir_entry *rm_entry;
+ struct proc_dir_entry *parent;
- if (!root)
- return;
- *rooth = NULL;
+ *proot = NULL;
+ if (root == NULL || IS_ERR(root))
+ return;
parent = root->parent;
LASSERT(parent != NULL);
break;
}
}
+#endif
void lprocfs_remove(struct proc_dir_entry **rooth)
{
+#ifndef HAVE_ONLY_PROCFS_SEQ
LPROCFS_WRITE_ENTRY(); /* search vs remove race */
lprocfs_remove_nolock(rooth);
LPROCFS_WRITE_EXIT();
+#else
+ proc_remove(*rooth);
+ *rooth = NULL;
+#endif
}
EXPORT_SYMBOL(lprocfs_remove);
}
EXPORT_SYMBOL(lprocfs_remove_proc_entry);
+#ifndef HAVE_ONLY_PROCFS_SEQ
void lprocfs_try_remove_proc_entry(const char *name,
struct proc_dir_entry *parent)
{
EXPORT_SYMBOL(lprocfs_try_remove_proc_entry);
struct proc_dir_entry *lprocfs_register(const char *name,
- struct proc_dir_entry *parent,
- struct lprocfs_vars *list, void *data)
+ struct proc_dir_entry *parent,
+ struct lprocfs_vars *list, void *data)
{
- struct proc_dir_entry *newchild;
+ struct proc_dir_entry *entry;
+ int rc;
- newchild = lprocfs_srch(parent, name);
- if (newchild != NULL) {
- CERROR(" Lproc: Attempting to register %s more than once \n",
- name);
- return ERR_PTR(-EALREADY);
- }
+ LPROCFS_WRITE_ENTRY();
+ entry = __lprocfs_srch(parent, name);
+ if (entry != NULL) {
+ CERROR("entry '%s' already registered\n", name);
+ GOTO(out, entry = ERR_PTR(-EALREADY));
+ }
- newchild = proc_mkdir(name, parent);
- if (newchild != NULL && list != NULL) {
- int rc = lprocfs_add_vars(newchild, list, data);
- if (rc) {
- lprocfs_remove(&newchild);
- return ERR_PTR(rc);
- }
- }
- return newchild;
+ entry = proc_mkdir(name, parent);
+ if (entry == NULL)
+ GOTO(out, entry = ERR_PTR(-ENOMEM));
+
+ if (list != NULL) {
+ rc = __lprocfs_add_vars(entry, list, data);
+ if (rc != 0) {
+ lprocfs_remove_nolock(&entry);
+ GOTO(out, entry = ERR_PTR(rc));
+ }
+ }
+out:
+ LPROCFS_WRITE_EXIT();
+ return entry;
}
EXPORT_SYMBOL(lprocfs_register);
+#endif
+
+struct proc_dir_entry *
+lprocfs_seq_register(const char *name, struct proc_dir_entry *parent,
+ struct lprocfs_seq_vars *list, void *data)
+{
+ struct proc_dir_entry *newchild;
+
+ newchild = proc_mkdir(name, parent);
+ if (newchild != NULL && list != NULL) {
+ int rc = lprocfs_seq_add_vars(newchild, list, data);
+ if (rc) {
+ lprocfs_remove(&newchild);
+ return ERR_PTR(rc);
+ }
+ }
+ return newchild;
+}
+EXPORT_SYMBOL(lprocfs_seq_register);
/* Generic callbacks */
-int lprocfs_rd_uint(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+int lprocfs_uint_seq_show(struct seq_file *m, void *data)
{
- unsigned int *temp = data;
- return snprintf(page, count, "%u\n", *temp);
+ return seq_printf(m, "%u\n", *(unsigned int *)data);
}
-EXPORT_SYMBOL(lprocfs_rd_uint);
+EXPORT_SYMBOL(lprocfs_uint_seq_show);
int lprocfs_wr_uint(struct file *file, const char *buffer,
unsigned long count, void *data)
}
EXPORT_SYMBOL(lprocfs_wr_uint);
+ssize_t lprocfs_uint_seq_write(struct file *file, const char *buffer,
+ size_t count, loff_t *off)
+{
+ int *data = ((struct seq_file *)file->private_data)->private;
+ int val = 0, rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc < 0)
+ return rc;
+
+ return lprocfs_wr_uint(file, buffer, count, data);
+}
+EXPORT_SYMBOL(lprocfs_uint_seq_write);
+
+int lprocfs_u64_seq_show(struct seq_file *m, void *data)
+{
+ LASSERT(data != NULL);
+ return seq_printf(m, LPU64"\n", *(__u64 *)data);
+}
+EXPORT_SYMBOL(lprocfs_u64_seq_show);
+
+int lprocfs_atomic_seq_show(struct seq_file *m, void *data)
+{
+ cfs_atomic_t *atom = data;
+ LASSERT(atom != NULL);
+ return seq_printf(m, "%d\n", atomic_read(atom));
+}
+EXPORT_SYMBOL(lprocfs_atomic_seq_show);
+
+ssize_t
+lprocfs_atomic_seq_write(struct file *file, const char *buffer,
+ size_t count, loff_t *off)
+{
+ cfs_atomic_t *atm = ((struct seq_file *)file->private_data)->private;
+ int val = 0;
+ int rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc < 0)
+ return rc;
+
+ if (val <= 0)
+ return -ERANGE;
+
+ cfs_atomic_set(atm, val);
+ return count;
+}
+EXPORT_SYMBOL(lprocfs_atomic_seq_write);
+
+int lprocfs_uuid_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = data;
+
+ LASSERT(obd != NULL);
+ return seq_printf(m, "%s\n", obd->obd_uuid.uuid);
+}
+EXPORT_SYMBOL(lprocfs_uuid_seq_show);
+
+int lprocfs_name_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *dev = data;
+
+ LASSERT(dev != NULL);
+ return seq_printf(m, "%s\n", dev->obd_name);
+}
+EXPORT_SYMBOL(lprocfs_name_seq_show);
+
+int lprocfs_blksize_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = data;
+ struct obd_statfs osfs;
+ int rc = obd_statfs(NULL, obd->obd_self_export, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
+ OBD_STATFS_NODELAY);
+ if (!rc)
+ rc = seq_printf(m, "%u\n", osfs.os_bsize);
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_blksize_seq_show);
+
+int lprocfs_kbytestotal_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = data;
+ struct obd_statfs osfs;
+ int rc = obd_statfs(NULL, obd->obd_self_export, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
+ OBD_STATFS_NODELAY);
+ if (!rc) {
+ __u32 blk_size = osfs.os_bsize >> 10;
+ __u64 result = osfs.os_blocks;
+
+ while (blk_size >>= 1)
+ result <<= 1;
+
+ rc = seq_printf(m, LPU64"\n", result);
+ }
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_kbytestotal_seq_show);
+
+int lprocfs_kbytesfree_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = data;
+ struct obd_statfs osfs;
+ int rc = obd_statfs(NULL, obd->obd_self_export, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
+ OBD_STATFS_NODELAY);
+ if (!rc) {
+ __u32 blk_size = osfs.os_bsize >> 10;
+ __u64 result = osfs.os_bfree;
+
+ while (blk_size >>= 1)
+ result <<= 1;
+
+ rc = seq_printf(m, LPU64"\n", result);
+ }
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_kbytesfree_seq_show);
+
+int lprocfs_kbytesavail_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = data;
+ struct obd_statfs osfs;
+ int rc = obd_statfs(NULL, obd->obd_self_export, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
+ OBD_STATFS_NODELAY);
+ if (!rc) {
+ __u32 blk_size = osfs.os_bsize >> 10;
+ __u64 result = osfs.os_bavail;
+
+ while (blk_size >>= 1)
+ result <<= 1;
+
+ rc = seq_printf(m, LPU64"\n", result);
+ }
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_kbytesavail_seq_show);
+
+int lprocfs_filestotal_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = data;
+ struct obd_statfs osfs;
+ int rc = obd_statfs(NULL, obd->obd_self_export, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
+ OBD_STATFS_NODELAY);
+ if (!rc)
+ rc = seq_printf(m, LPU64"\n", osfs.os_files);
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_filestotal_seq_show);
+
+int lprocfs_filesfree_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = data;
+ struct obd_statfs osfs;
+ int rc = obd_statfs(NULL, obd->obd_self_export, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
+ OBD_STATFS_NODELAY);
+ if (!rc)
+ rc = seq_printf(m, LPU64"\n", osfs.os_ffree);
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_filesfree_seq_show);
+
+int lprocfs_server_uuid_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = data;
+ struct obd_import *imp;
+ char *imp_state_name = NULL;
+ int rc = 0;
+
+ LASSERT(obd != NULL);
+ LPROCFS_CLIMP_CHECK(obd);
+ imp = obd->u.cli.cl_import;
+ imp_state_name = ptlrpc_import_state_name(imp->imp_state);
+ rc = seq_printf(m, "%s\t%s%s\n", obd2cli_tgt(obd), imp_state_name,
+ imp->imp_deactive ? "\tDEACTIVATED" : "");
+
+ LPROCFS_CLIMP_EXIT(obd);
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_server_uuid_seq_show);
+
+int lprocfs_conn_uuid_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = data;
+ struct ptlrpc_connection *conn;
+ int rc = 0;
+
+ LASSERT(obd != NULL);
+
+ LPROCFS_CLIMP_CHECK(obd);
+ conn = obd->u.cli.cl_import->imp_connection;
+ if (conn && obd->u.cli.cl_import)
+ rc = seq_printf(m, "%s\n", conn->c_remote_uuid.uuid);
+ else
+ rc = seq_printf(m, "%s\n", "<none>");
+
+ LPROCFS_CLIMP_EXIT(obd);
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_conn_uuid_seq_show);
+
+/** add up per-cpu counters */
+void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
+ struct lprocfs_counter *cnt)
+{
+ unsigned int num_entry;
+ struct lprocfs_counter *percpu_cntr;
+ int i;
+ unsigned long flags = 0;
+
+ memset(cnt, 0, sizeof(*cnt));
+
+ if (stats == NULL) {
+ /* set count to 1 to avoid divide-by-zero errs in callers */
+ cnt->lc_count = 1;
+ return;
+ }
+
+ cnt->lc_min = LC_MIN_INIT;
+
+ num_entry = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU, &flags);
+
+ for (i = 0; i < num_entry; i++) {
+ if (stats->ls_percpu[i] == NULL)
+ continue;
+ percpu_cntr = lprocfs_stats_counter_get(stats, i, idx);
+
+ cnt->lc_count += percpu_cntr->lc_count;
+ cnt->lc_sum += percpu_cntr->lc_sum;
+ if (percpu_cntr->lc_min < cnt->lc_min)
+ cnt->lc_min = percpu_cntr->lc_min;
+ if (percpu_cntr->lc_max > cnt->lc_max)
+ cnt->lc_max = percpu_cntr->lc_max;
+ cnt->lc_sumsquare += percpu_cntr->lc_sumsquare;
+ }
+
+ lprocfs_stats_unlock(stats, LPROCFS_GET_NUM_CPU, &flags);
+}
+EXPORT_SYMBOL(lprocfs_stats_collect);
+
+/**
+ * Append a space separated list of current set flags to str.
+ */
+#define flag2seqstr(flag) \
+ do { \
+ if (imp->imp_##flag) \
+ seq_printf(m, "%s" #flag, first ? "" : ", "); \
+ } while (0)
+static int obd_import_flags2seqstr(struct obd_import *imp, struct seq_file *m)
+{
+ bool first = true;
+
+ if (imp->imp_obd->obd_no_recov) {
+ seq_printf(m, "no_recov");
+ first = false;
+ }
+
+ flag2seqstr(invalid);
+ flag2seqstr(deactive);
+ flag2seqstr(replayable);
+ flag2seqstr(pingable);
+ return 0;
+}
+#undef flags2seqstr
+
+static const char *obd_connect_names[] = {
+ "read_only",
+ "lov_index",
+ "connect_from_mds",
+ "write_grant",
+ "server_lock",
+ "version",
+ "request_portal",
+ "acl",
+ "xattr",
+ "create_on_write",
+ "truncate_lock",
+ "initial_transno",
+ "inode_bit_locks",
+ "join_file(obsolete)",
+ "getattr_by_fid",
+ "no_oh_for_devices",
+ "remote_client",
+ "remote_client_by_force",
+ "max_byte_per_rpc",
+ "64bit_qdata",
+ "mds_capability",
+ "oss_capability",
+ "early_lock_cancel",
+ "som",
+ "adaptive_timeouts",
+ "lru_resize",
+ "mds_mds_connection",
+ "real_conn",
+ "change_qunit_size",
+ "alt_checksum_algorithm",
+ "fid_is_enabled",
+ "version_recovery",
+ "pools",
+ "grant_shrink",
+ "skip_orphan",
+ "large_ea",
+ "full20",
+ "layout_lock",
+ "64bithash",
+ "object_max_bytes",
+ "imp_recov",
+ "jobstats",
+ "umask",
+ "einprogress",
+ "grant_param",
+ "flock_owner",
+ "lvb_type",
+ "nanoseconds_times",
+ "lightweight_conn",
+ "short_io",
+ "pingless",
+ "flock_deadlock",
+ "disp_stripe",
+ "unknown",
+ NULL
+};
+
+static void obd_connect_seq_flags2str(struct seq_file *m, __u64 flags, char *sep)
+{
+ bool first = true;
+ __u64 mask = 1;
+ int i;
+
+ for (i = 0; obd_connect_names[i] != NULL; i++, mask <<= 1) {
+ if (flags & mask) {
+ seq_printf(m, "%s%s",
+ first ? "" : sep, obd_connect_names[i]);
+ first = false;
+ }
+ }
+ if (flags & ~(mask - 1))
+ seq_printf(m, "%sunknown flags "LPX64,
+ first ? "" : sep, flags & ~(mask - 1));
+}
+
+int obd_connect_flags2str(char *page, int count, __u64 flags, char *sep)
+{
+ __u64 mask = 1;
+ int i, ret = 0;
+
+ for (i = 0; obd_connect_names[i] != NULL; i++, mask <<= 1) {
+ if (flags & mask)
+ ret += snprintf(page + ret, count - ret, "%s%s",
+ ret ? sep : "", obd_connect_names[i]);
+ }
+ if (flags & ~(mask - 1))
+ ret += snprintf(page + ret, count - ret,
+ "%sunknown flags "LPX64,
+ ret ? sep : "", flags & ~(mask - 1));
+ return ret;
+}
+EXPORT_SYMBOL(obd_connect_flags2str);
+
+static void obd_connect_data_seqprint(struct seq_file *m,
+ struct obd_connect_data *ocd)
+{
+ int flags;
+
+ LASSERT(ocd != NULL);
+ flags = ocd->ocd_connect_flags;
+
+ seq_printf(m, " connect_data:\n"
+ " flags: "LPX64"\n"
+ " instance: %u\n",
+ ocd->ocd_connect_flags,
+ ocd->ocd_instance);
+ if (flags & OBD_CONNECT_VERSION)
+ seq_printf(m, " target_version: %u.%u.%u.%u\n",
+ OBD_OCD_VERSION_MAJOR(ocd->ocd_version),
+ OBD_OCD_VERSION_MINOR(ocd->ocd_version),
+ OBD_OCD_VERSION_PATCH(ocd->ocd_version),
+ OBD_OCD_VERSION_FIX(ocd->ocd_version));
+ if (flags & OBD_CONNECT_MDS)
+ seq_printf(m, " mdt_index: %d\n", ocd->ocd_group);
+ if (flags & OBD_CONNECT_GRANT)
+ seq_printf(m, " initial_grant: %d\n", ocd->ocd_grant);
+ if (flags & OBD_CONNECT_INDEX)
+ seq_printf(m, " target_index: %u\n", ocd->ocd_index);
+ if (flags & OBD_CONNECT_BRW_SIZE)
+ seq_printf(m, " max_brw_size: %d\n", ocd->ocd_brw_size);
+ if (flags & OBD_CONNECT_IBITS)
+ seq_printf(m, " ibits_known: "LPX64"\n",
+ ocd->ocd_ibits_known);
+ if (flags & OBD_CONNECT_GRANT_PARAM)
+ seq_printf(m, " grant_block_size: %d\n"
+ " grant_inode_size: %d\n"
+ " grant_extent_overhead: %d\n",
+ ocd->ocd_blocksize,
+ ocd->ocd_inodespace,
+ ocd->ocd_grant_extent);
+ if (flags & OBD_CONNECT_TRANSNO)
+ seq_printf(m, " first_transno: "LPX64"\n",
+ ocd->ocd_transno);
+ if (flags & OBD_CONNECT_CKSUM)
+ seq_printf(m, " cksum_types: %#x\n",
+ ocd->ocd_cksum_types);
+ if (flags & OBD_CONNECT_MAX_EASIZE)
+ seq_printf(m, " max_easize: %d\n", ocd->ocd_max_easize);
+ if (flags & OBD_CONNECT_MAXBYTES)
+ seq_printf(m, " max_object_bytes: "LPU64"\n",
+ ocd->ocd_maxbytes);
+}
+
+int lprocfs_import_seq_show(struct seq_file *m, void *data)
+{
+ struct lprocfs_counter ret;
+ struct lprocfs_counter_header *header;
+ struct obd_device *obd = (struct obd_device *)data;
+ struct obd_import *imp;
+ struct obd_import_conn *conn;
+ struct obd_connect_data *ocd;
+ int j;
+ int k;
+ int rw = 0;
+
+ LASSERT(obd != NULL);
+ LPROCFS_CLIMP_CHECK(obd);
+ imp = obd->u.cli.cl_import;
+ ocd = &imp->imp_connect_data;
+
+ seq_printf(m, "import:\n"
+ " name: %s\n"
+ " target: %s\n"
+ " state: %s\n"
+ " connect_flags: [",
+ obd->obd_name,
+ obd2cli_tgt(obd),
+ ptlrpc_import_state_name(imp->imp_state));
+ obd_connect_seq_flags2str(m, imp->imp_connect_data.ocd_connect_flags,
+ ", ");
+ seq_printf(m, "]\n");
+ obd_connect_data_seqprint(m, ocd);
+ seq_printf(m, " import_flags: [");
+ obd_import_flags2seqstr(imp, m);
+
+ seq_printf(m, "]\n"
+ " connection:\n"
+ " failover_nids: [");
+ spin_lock(&imp->imp_lock);
+ j = 0;
+ list_for_each_entry(conn, &imp->imp_conn_list, oic_item) {
+ seq_printf(m, "%s%s", j ? ", " : "",
+ libcfs_nid2str(conn->oic_conn->c_peer.nid));
+ j++;
+ }
+ seq_printf(m, "]\n"
+ " current_connection: %s\n"
+ " connection_attempts: %u\n"
+ " generation: %u\n"
+ " in-progress_invalidations: %u\n",
+ imp->imp_connection == NULL ? "<none>" :
+ libcfs_nid2str(imp->imp_connection->c_peer.nid),
+ imp->imp_conn_cnt,
+ imp->imp_generation,
+ atomic_read(&imp->imp_inval_count));
+ spin_unlock(&imp->imp_lock);
+
+ if (obd->obd_svc_stats == NULL)
+ goto out_climp;
+
+ header = &obd->obd_svc_stats->ls_cnt_header[PTLRPC_REQWAIT_CNTR];
+ lprocfs_stats_collect(obd->obd_svc_stats, PTLRPC_REQWAIT_CNTR, &ret);
+ if (ret.lc_count != 0) {
+ /* first argument to do_div MUST be __u64 */
+ __u64 sum = ret.lc_sum;
+ do_div(sum, ret.lc_count);
+ ret.lc_sum = sum;
+ } else
+ ret.lc_sum = 0;
+ seq_printf(m, " rpcs:\n"
+ " inflight: %u\n"
+ " unregistering: %u\n"
+ " timeouts: %u\n"
+ " avg_waittime: "LPU64" %s\n",
+ atomic_read(&imp->imp_inflight),
+ atomic_read(&imp->imp_unregistering),
+ atomic_read(&imp->imp_timeouts),
+ ret.lc_sum, header->lc_units);
+
+ k = 0;
+ for(j = 0; j < IMP_AT_MAX_PORTALS; j++) {
+ if (imp->imp_at.iat_portal[j] == 0)
+ break;
+ k = max_t(unsigned int, k,
+ at_get(&imp->imp_at.iat_service_estimate[j]));
+ }
+ seq_printf(m, " service_estimates:\n"
+ " services: %u sec\n"
+ " network: %u sec\n",
+ k,
+ at_get(&imp->imp_at.iat_net_latency));
+
+ seq_printf(m, " transactions:\n"
+ " last_replay: "LPU64"\n"
+ " peer_committed: "LPU64"\n"
+ " last_checked: "LPU64"\n",
+ imp->imp_last_replay_transno,
+ imp->imp_peer_committed_transno,
+ imp->imp_last_transno_checked);
+
+ /* avg data rates */
+ for (rw = 0; rw <= 1; rw++) {
+ lprocfs_stats_collect(obd->obd_svc_stats,
+ PTLRPC_LAST_CNTR + BRW_READ_BYTES + rw,
+ &ret);
+ if (ret.lc_sum > 0 && ret.lc_count > 0) {
+ /* first argument to do_div MUST be __u64 */
+ __u64 sum = ret.lc_sum;
+ do_div(sum, ret.lc_count);
+ ret.lc_sum = sum;
+ seq_printf(m, " %s_data_averages:\n"
+ " bytes_per_rpc: "LPU64"\n",
+ rw ? "write" : "read",
+ ret.lc_sum);
+ }
+ k = (int)ret.lc_sum;
+ j = opcode_offset(OST_READ + rw) + EXTRA_MAX_OPCODES;
+ header = &obd->obd_svc_stats->ls_cnt_header[j];
+ lprocfs_stats_collect(obd->obd_svc_stats, j, &ret);
+ if (ret.lc_sum > 0 && ret.lc_count != 0) {
+ /* first argument to do_div MUST be __u64 */
+ __u64 sum = ret.lc_sum;
+ do_div(sum, ret.lc_count);
+ ret.lc_sum = sum;
+ seq_printf(m, " %s_per_rpc: "LPU64"\n",
+ header->lc_units, ret.lc_sum);
+ j = (int)ret.lc_sum;
+ if (j > 0)
+ seq_printf(m, " MB_per_sec: %u.%.02u\n",
+ k / j, (100 * k / j) % 100);
+ }
+ }
+
+out_climp:
+ LPROCFS_CLIMP_EXIT(obd);
+ return 0;
+}
+EXPORT_SYMBOL(lprocfs_import_seq_show);
+
+int lprocfs_state_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+ struct obd_import *imp;
+ int j, k;
+
+ LASSERT(obd != NULL);
+ LPROCFS_CLIMP_CHECK(obd);
+ imp = obd->u.cli.cl_import;
+
+ seq_printf(m, "current_state: %s\n",
+ ptlrpc_import_state_name(imp->imp_state));
+ seq_printf(m, "state_history:\n");
+ k = imp->imp_state_hist_idx;
+ for (j = 0; j < IMP_STATE_HIST_LEN; j++) {
+ struct import_state_hist *ish =
+ &imp->imp_state_hist[(k + j) % IMP_STATE_HIST_LEN];
+ if (ish->ish_state == 0)
+ continue;
+ seq_printf(m, " - ["CFS_TIME_T", %s]\n",
+ ish->ish_time,
+ ptlrpc_import_state_name(ish->ish_state));
+ }
+
+ LPROCFS_CLIMP_EXIT(obd);
+ return 0;
+}
+EXPORT_SYMBOL(lprocfs_state_seq_show);
+
+int lprocfs_seq_at_hist_helper(struct seq_file *m, struct adaptive_timeout *at)
+{
+ int i;
+ for (i = 0; i < AT_BINS; i++)
+ seq_printf(m, "%3u ", at->at_hist[i]);
+ seq_printf(m, "\n");
+ return 0;
+}
+EXPORT_SYMBOL(lprocfs_seq_at_hist_helper);
+
+/* See also ptlrpc_lprocfs_timeouts_show_seq */
+int lprocfs_timeouts_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = (struct obd_device *)data;
+ struct obd_import *imp;
+ unsigned int cur, worst;
+ time_t now, worstt;
+ struct dhms ts;
+ int i;
+
+ LASSERT(obd != NULL);
+ LPROCFS_CLIMP_CHECK(obd);
+ imp = obd->u.cli.cl_import;
+
+ now = cfs_time_current_sec();
+
+ /* Some network health info for kicks */
+ s2dhms(&ts, now - imp->imp_last_reply_time);
+ seq_printf(m, "%-10s : %ld, "DHMS_FMT" ago\n",
+ "last reply", imp->imp_last_reply_time, DHMS_VARS(&ts));
+
+ cur = at_get(&imp->imp_at.iat_net_latency);
+ worst = imp->imp_at.iat_net_latency.at_worst_ever;
+ worstt = imp->imp_at.iat_net_latency.at_worst_time;
+ s2dhms(&ts, now - worstt);
+ seq_printf(m, "%-10s : cur %3u worst %3u (at %ld, "DHMS_FMT" ago) ",
+ "network", cur, worst, worstt, DHMS_VARS(&ts));
+ lprocfs_seq_at_hist_helper(m, &imp->imp_at.iat_net_latency);
+
+ for(i = 0; i < IMP_AT_MAX_PORTALS; i++) {
+ if (imp->imp_at.iat_portal[i] == 0)
+ break;
+ cur = at_get(&imp->imp_at.iat_service_estimate[i]);
+ worst = imp->imp_at.iat_service_estimate[i].at_worst_ever;
+ worstt = imp->imp_at.iat_service_estimate[i].at_worst_time;
+ s2dhms(&ts, now - worstt);
+ seq_printf(m, "portal %-2d : cur %3u worst %3u (at %ld, "
+ DHMS_FMT" ago) ", imp->imp_at.iat_portal[i],
+ cur, worst, worstt, DHMS_VARS(&ts));
+ lprocfs_seq_at_hist_helper(m, &imp->imp_at.iat_service_estimate[i]);
+ }
+
+ LPROCFS_CLIMP_EXIT(obd);
+ return 0;
+}
+EXPORT_SYMBOL(lprocfs_timeouts_seq_show);
+
+int lprocfs_connect_flags_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *obd = data;
+ __u64 flags;
+
+ LPROCFS_CLIMP_CHECK(obd);
+ flags = obd->u.cli.cl_import->imp_connect_data.ocd_connect_flags;
+ seq_printf(m, "flags="LPX64"\n", flags);
+ obd_connect_seq_flags2str(m, flags, "\n");
+ seq_printf(m, "\n");
+ LPROCFS_CLIMP_EXIT(obd);
+ return 0;
+}
+EXPORT_SYMBOL(lprocfs_connect_flags_seq_show);
+
+#ifndef HAVE_ONLY_PROCFS_SEQ
+
+int lprocfs_rd_uint(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ unsigned int *temp = data;
+ return snprintf(page, count, "%u\n", *temp);
+}
+EXPORT_SYMBOL(lprocfs_rd_uint);
+
int lprocfs_rd_u64(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
}
EXPORT_SYMBOL(lprocfs_rd_conn_uuid);
-/** add up per-cpu counters */
-void lprocfs_stats_collect(struct lprocfs_stats *stats, int idx,
- struct lprocfs_counter *cnt)
-{
- unsigned int num_entry;
- struct lprocfs_counter *percpu_cntr;
- struct lprocfs_counter_header *cntr_header;
- int i;
- unsigned long flags = 0;
-
- memset(cnt, 0, sizeof(*cnt));
-
- if (stats == NULL) {
- /* set count to 1 to avoid divide-by-zero errs in callers */
- cnt->lc_count = 1;
- return;
- }
-
- cnt->lc_min = LC_MIN_INIT;
-
- num_entry = lprocfs_stats_lock(stats, LPROCFS_GET_NUM_CPU, &flags);
-
- for (i = 0; i < num_entry; i++) {
- if (stats->ls_percpu[i] == NULL)
- continue;
- cntr_header = &stats->ls_cnt_header[idx];
- percpu_cntr = lprocfs_stats_counter_get(stats, i, idx);
-
- cnt->lc_count += percpu_cntr->lc_count;
- cnt->lc_sum += percpu_cntr->lc_sum;
- if (percpu_cntr->lc_min < cnt->lc_min)
- cnt->lc_min = percpu_cntr->lc_min;
- if (percpu_cntr->lc_max > cnt->lc_max)
- cnt->lc_max = percpu_cntr->lc_max;
- cnt->lc_sumsquare += percpu_cntr->lc_sumsquare;
- }
-
- lprocfs_stats_unlock(stats, LPROCFS_GET_NUM_CPU, &flags);
-}
-EXPORT_SYMBOL(lprocfs_stats_collect);
-
/**
* Append a space separated list of current set flags to str.
*/
}
#undef flags2str
-static const char *obd_connect_names[] = {
- "read_only",
- "lov_index",
- "unused",
- "write_grant",
- "server_lock",
- "version",
- "request_portal",
- "acl",
- "xattr",
- "create_on_write",
- "truncate_lock",
- "initial_transno",
- "inode_bit_locks",
- "join_file(obsolete)",
- "getattr_by_fid",
- "no_oh_for_devices",
- "remote_client",
- "remote_client_by_force",
- "max_byte_per_rpc",
- "64bit_qdata",
- "mds_capability",
- "oss_capability",
- "early_lock_cancel",
- "som",
- "adaptive_timeouts",
- "lru_resize",
- "mds_mds_connection",
- "real_conn",
- "change_qunit_size",
- "alt_checksum_algorithm",
- "fid_is_enabled",
- "version_recovery",
- "pools",
- "grant_shrink",
- "skip_orphan",
- "large_ea",
- "full20",
- "layout_lock",
- "64bithash",
- "object_max_bytes",
- "imp_recov",
- "jobstats",
- "umask",
- "einprogress",
- "grant_param",
- "flock_owner",
- "lvb_type",
- "nanoseconds_times",
- "lightweight_conn",
- "short_io",
- "pingless",
- "unknown",
- NULL
-};
-
-int obd_connect_flags2str(char *page, int count, __u64 flags, char *sep)
-{
- __u64 mask = 1;
- int i, ret = 0;
-
- for (i = 0; obd_connect_names[i] != NULL; i++, mask <<= 1) {
- if (flags & mask)
- ret += snprintf(page + ret, count - ret, "%s%s",
- ret ? sep : "", obd_connect_names[i]);
- }
- if (flags & ~(mask - 1))
- ret += snprintf(page + ret, count - ret,
- "%sunknown flags "LPX64,
- ret ? sep : "", flags & ~(mask - 1));
- return ret;
-}
-EXPORT_SYMBOL(obd_connect_flags2str);
-
int lprocfs_rd_import(char *page, char **start, off_t off, int count,
int *eof, void *data)
{
int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list)
{
- int rc = 0;
+ int rc = 0;
- LASSERT(obd != NULL);
- LASSERT(obd->obd_magic == OBD_DEVICE_MAGIC);
- LASSERT(obd->obd_type->typ_procroot != NULL);
-
- obd->obd_proc_entry = lprocfs_register(obd->obd_name,
- obd->obd_type->typ_procroot,
- list, obd);
- if (IS_ERR(obd->obd_proc_entry)) {
- rc = PTR_ERR(obd->obd_proc_entry);
- CERROR("error %d setting up lprocfs for %s\n",rc,obd->obd_name);
- obd->obd_proc_entry = NULL;
- }
- return rc;
+ LASSERT(obd != NULL);
+ LASSERT(obd->obd_magic == OBD_DEVICE_MAGIC);
+ LASSERT(obd->obd_type->typ_procroot != NULL);
+
+ obd->obd_proc_entry = lprocfs_register(obd->obd_name,
+ obd->obd_type->typ_procroot,
+ list, obd);
+ if (IS_ERR(obd->obd_proc_entry)) {
+ rc = PTR_ERR(obd->obd_proc_entry);
+ CERROR("error %d setting up lprocfs for %s\n",rc,obd->obd_name);
+ obd->obd_proc_entry = NULL;
+ }
+ return rc;
}
EXPORT_SYMBOL(lprocfs_obd_setup);
+#endif
+
+int
+lprocfs_seq_obd_setup(struct obd_device *obd)
+{
+ int rc = 0;
+
+ LASSERT(obd != NULL);
+ LASSERT(obd->obd_vars != NULL);
+ LASSERT(obd->obd_magic == OBD_DEVICE_MAGIC);
+ LASSERT(obd->obd_type->typ_procroot != NULL);
+
+ obd->obd_proc_entry = lprocfs_seq_register(obd->obd_name,
+ obd->obd_type->typ_procroot,
+ obd->obd_vars, obd);
+ if (IS_ERR(obd->obd_proc_entry)) {
+ rc = PTR_ERR(obd->obd_proc_entry);
+ CERROR("error %d setting up lprocfs for %s\n",rc,obd->obd_name);
+ obd->obd_proc_entry = NULL;
+ }
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_seq_obd_setup);
int lprocfs_obd_cleanup(struct obd_device *obd)
{
return -EINVAL;
if (obd->obd_proc_exports_entry) {
/* Should be no exports left */
- LASSERT(obd->obd_proc_exports_entry->subdir == NULL);
lprocfs_remove(&obd->obd_proc_exports_entry);
obd->obd_proc_exports_entry = NULL;
}
}
EXPORT_SYMBOL(lprocfs_free_per_client_stats);
+int lprocfs_stats_alloc_one(struct lprocfs_stats *stats, unsigned int cpuid)
+{
+ struct lprocfs_counter *cntr;
+ unsigned int percpusize;
+ int rc = -ENOMEM;
+ unsigned long flags = 0;
+ int i;
+
+ LASSERT(stats->ls_percpu[cpuid] == NULL);
+ LASSERT((stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU) == 0);
+
+ percpusize = lprocfs_stats_counter_size(stats);
+ LIBCFS_ALLOC_ATOMIC(stats->ls_percpu[cpuid], percpusize);
+ if (stats->ls_percpu[cpuid] != NULL) {
+ rc = 0;
+ if (unlikely(stats->ls_biggest_alloc_num <= cpuid)) {
+ if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE)
+ spin_lock_irqsave(&stats->ls_lock, flags);
+ else
+ spin_lock(&stats->ls_lock);
+ if (stats->ls_biggest_alloc_num <= cpuid)
+ stats->ls_biggest_alloc_num = cpuid + 1;
+ if (stats->ls_flags & LPROCFS_STATS_FLAG_IRQ_SAFE) {
+ spin_unlock_irqrestore(&stats->ls_lock, flags);
+ } else {
+ spin_unlock(&stats->ls_lock);
+ }
+ }
+ /* initialize the ls_percpu[cpuid] non-zero counter */
+ for (i = 0; i < stats->ls_num; ++i) {
+ cntr = lprocfs_stats_counter_get(stats, cpuid, i);
+ cntr->lc_min = LC_MIN_INIT;
+ }
+ }
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_stats_alloc_one);
+
struct lprocfs_stats *lprocfs_alloc_stats(unsigned int num,
enum lprocfs_stats_flags flags)
{
if (flags & LPROCFS_STATS_FLAG_NOPERCPU)
num_entry = 1;
else
- num_entry = cfs_num_possible_cpus();
+ num_entry = num_possible_cpus();
/* alloc percpu pointers for all possible cpu slots */
LIBCFS_ALLOC(stats, offsetof(typeof(*stats), ls_percpu[num_entry]));
if (stats->ls_flags & LPROCFS_STATS_FLAG_NOPERCPU)
num_entry = 1;
else
- num_entry = cfs_num_possible_cpus();
+ num_entry = num_possible_cpus();
percpusize = lprocfs_stats_counter_size(stats);
for (i = 0; i < num_entry; i++)
void lprocfs_clear_stats(struct lprocfs_stats *stats)
{
struct lprocfs_counter *percpu_cntr;
- struct lprocfs_counter_header *header;
int i;
int j;
unsigned int num_entry;
if (stats->ls_percpu[i] == NULL)
continue;
for (j = 0; j < stats->ls_num; j++) {
- header = &stats->ls_cnt_header[j];
percpu_cntr = lprocfs_stats_counter_get(stats, i, j);
percpu_cntr->lc_count = 0;
percpu_cntr->lc_min = LC_MIN_INIT;
if (idx == 0) {
struct timeval now;
- cfs_gettimeofday(&now);
+ do_gettimeofday(&now);
rc = seq_printf(p, "%-25s %lu.%lu secs.usecs\n",
"snapshot_time", now.tv_sec, now.tv_usec);
if (rc < 0)
static int lprocfs_stats_seq_open(struct inode *inode, struct file *file)
{
- struct proc_dir_entry *dp = PDE(inode);
- struct seq_file *seq;
- int rc;
-
- if (LPROCFS_ENTRY_AND_CHECK(dp))
- return -ENOENT;
+ struct seq_file *seq;
+ int rc;
- rc = seq_open(file, &lprocfs_stats_seq_sops);
- if (rc) {
- LPROCFS_EXIT();
- return rc;
- }
- seq = file->private_data;
- seq->private = dp->data;
- return 0;
+#ifndef HAVE_ONLY_PROCFS_SEQ
+ if (LPROCFS_ENTRY_CHECK(PDE(inode)))
+ return -ENOENT;
+#endif
+ rc = seq_open(file, &lprocfs_stats_seq_sops);
+ if (rc)
+ return rc;
+ seq = file->private_data;
+ seq->private = PDE_DATA(inode);
+ return 0;
}
struct file_operations lprocfs_stats_seq_fops = {
int lprocfs_register_stats(struct proc_dir_entry *root, const char *name,
struct lprocfs_stats *stats)
{
- struct proc_dir_entry *entry;
- LASSERT(root != NULL);
-
- LPROCFS_WRITE_ENTRY();
- entry = create_proc_entry(name, 0644, root);
- if (entry) {
- entry->proc_fops = &lprocfs_stats_seq_fops;
- entry->data = stats;
- }
-
- LPROCFS_WRITE_EXIT();
-
- if (entry == NULL)
- return -ENOMEM;
+ struct proc_dir_entry *entry;
+ LASSERT(root != NULL);
- return 0;
+ entry = proc_create_data(name, 0644, root,
+ &lprocfs_stats_seq_fops, stats);
+ if (entry == NULL)
+ return -ENOMEM;
+ return 0;
}
EXPORT_SYMBOL(lprocfs_register_stats);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_del);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, getref);
LPROCFS_OBD_OP_INIT(num_private_stats, stats, putref);
+
+ CLASSERT(NUM_OBD_STATS == OBD_COUNTER_OFFSET(putref) + 1);
}
EXPORT_SYMBOL(lprocfs_init_ops_stats);
LASSERT(obd->obd_proc_entry != NULL);
LASSERT(obd->obd_cntr_base == 0);
- num_stats = ((int)sizeof(*obd->obd_type->typ_dt_ops) / sizeof(void *)) +
- num_private_stats - 1 /* o_owner */;
+ num_stats = NUM_OBD_STATS + num_private_stats;
stats = lprocfs_alloc_stats(num_stats, 0);
if (stats == NULL)
return -ENOMEM;
}
EXPORT_SYMBOL(lprocfs_free_obd_stats);
-#define LPROCFS_MD_OP_INIT(base, stats, op) \
-do { \
- unsigned int coffset = base + MD_COUNTER_OFFSET(op); \
- LASSERT(coffset < stats->ls_num); \
- lprocfs_counter_init(stats, coffset, 0, #op, "reqs"); \
-} while (0)
+/* Note that we only init md counters for ops whose offset is less
+ * than NUM_MD_STATS. This is explained in a comment in the definition
+ * of struct md_ops. */
+#define LPROCFS_MD_OP_INIT(base, stats, op) \
+ do { \
+ unsigned int _idx = base + MD_COUNTER_OFFSET(op); \
+ \
+ if (MD_COUNTER_OFFSET(op) < NUM_MD_STATS) { \
+ LASSERT(_idx < stats->ls_num); \
+ lprocfs_counter_init(stats, _idx, 0, #op, "reqs"); \
+ } \
+ } while (0)
void lprocfs_init_mps_stats(int num_private_stats, struct lprocfs_stats *stats)
{
LPROCFS_MD_OP_INIT(num_private_stats, stats, rename);
LPROCFS_MD_OP_INIT(num_private_stats, stats, is_subdir);
LPROCFS_MD_OP_INIT(num_private_stats, stats, setattr);
- LPROCFS_MD_OP_INIT(num_private_stats, stats, sync);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, fsync);
LPROCFS_MD_OP_INIT(num_private_stats, stats, readpage);
LPROCFS_MD_OP_INIT(num_private_stats, stats, unlink);
LPROCFS_MD_OP_INIT(num_private_stats, stats, setxattr);
EXPORT_SYMBOL(lprocfs_init_mps_stats);
int lprocfs_alloc_md_stats(struct obd_device *obd,
- unsigned num_private_stats)
-{
- struct lprocfs_stats *stats;
- unsigned int num_stats;
- int rc, i;
-
- LASSERT(obd->md_stats == NULL);
- LASSERT(obd->obd_proc_entry != NULL);
- LASSERT(obd->md_cntr_base == 0);
+ unsigned int num_private_stats)
+{
+ struct lprocfs_stats *stats;
+ unsigned int num_stats;
+ int rc, i;
+
+ CLASSERT(offsetof(struct md_ops, MD_STATS_FIRST_OP) == 0);
+ CLASSERT(_MD_COUNTER_OFFSET(MD_STATS_FIRST_OP) == 0);
+ CLASSERT(_MD_COUNTER_OFFSET(MD_STATS_LAST_OP) > 0);
+
+ /* TODO Ensure that this function is only used where
+ * appropriate by adding an assertion to the effect that
+ * obd->obd_type->typ_md_ops is not NULL. We can't do this now
+ * because mdt_procfs_init() uses this function to allocate
+ * the stats backing /proc/fs/lustre/mdt/.../md_stats but the
+ * mdt layer does not use the md_ops interface. This is
+ * confusing and a waste of memory. See LU-2484.
+ */
+ LASSERT(obd->obd_proc_entry != NULL);
+ LASSERT(obd->obd_md_stats == NULL);
+ LASSERT(obd->obd_md_cntr_base == 0);
- num_stats = 1 + MD_COUNTER_OFFSET(revalidate_lock) +
- num_private_stats;
- stats = lprocfs_alloc_stats(num_stats, 0);
- if (stats == NULL)
- return -ENOMEM;
+ num_stats = NUM_MD_STATS + num_private_stats;
+ stats = lprocfs_alloc_stats(num_stats, 0);
+ if (stats == NULL)
+ return -ENOMEM;
- lprocfs_init_mps_stats(num_private_stats, stats);
+ lprocfs_init_mps_stats(num_private_stats, stats);
- for (i = num_private_stats; i < num_stats; i++) {
+ for (i = num_private_stats; i < num_stats; i++) {
if (stats->ls_cnt_header[i].lc_name == NULL) {
- CERROR("Missing md_stat initializer md_op "
- "operation at offset %d. Aborting.\n",
- i - num_private_stats);
- LBUG();
- }
- }
- rc = lprocfs_register_stats(obd->obd_proc_entry, "md_stats", stats);
- if (rc < 0) {
- lprocfs_free_stats(&stats);
- } else {
- obd->md_stats = stats;
- obd->md_cntr_base = num_private_stats;
- }
- return rc;
+ CERROR("Missing md_stat initializer md_op "
+ "operation at offset %d. Aborting.\n",
+ i - num_private_stats);
+ LBUG();
+ }
+ }
+
+ rc = lprocfs_register_stats(obd->obd_proc_entry, "md_stats", stats);
+ if (rc < 0) {
+ lprocfs_free_stats(&stats);
+ } else {
+ obd->obd_md_stats = stats;
+ obd->obd_md_cntr_base = num_private_stats;
+ }
+
+ return rc;
}
EXPORT_SYMBOL(lprocfs_alloc_md_stats);
void lprocfs_free_md_stats(struct obd_device *obd)
{
- struct lprocfs_stats *stats = obd->md_stats;
+ struct lprocfs_stats *stats = obd->obd_md_stats;
- if (stats != NULL) {
- obd->md_stats = NULL;
- obd->md_cntr_base = 0;
- lprocfs_free_stats(&stats);
- }
+ if (stats != NULL) {
+ obd->obd_md_stats = NULL;
+ obd->obd_md_cntr_base = 0;
+ lprocfs_free_stats(&stats);
+ }
}
EXPORT_SYMBOL(lprocfs_free_md_stats);
}
EXPORT_SYMBOL(lprocfs_nid_stats_clear_write);
+#ifdef HAVE_SERVER_SUPPORT
int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid, int *newnid)
{
struct nid_stat *new_stat, *old_stat;
if (!nid || *nid == LNET_NID_ANY)
RETURN(0);
+ spin_lock(&exp->exp_lock);
+ if (exp->exp_nid_stats != NULL) {
+ spin_unlock(&exp->exp_lock);
+ RETURN(-EALREADY);
+ }
+ spin_unlock(&exp->exp_lock);
+
obd = exp->exp_obd;
CDEBUG(D_CONFIG, "using hash %p\n", obd->obd_nid_stats_hash);
old_stat, libcfs_nid2str(*nid),
cfs_atomic_read(&new_stat->nid_exp_ref_count));
- /* We need to release old stats because lprocfs_exp_cleanup() hasn't
- * been and will never be called. */
- if (exp->exp_nid_stats) {
- nidstat_putref(exp->exp_nid_stats);
- exp->exp_nid_stats = NULL;
- }
-
- /* Return -EALREADY here so that we know that the /proc
- * entry already has been created */
- if (old_stat != new_stat) {
- exp->exp_nid_stats = old_stat;
- GOTO(destroy_new, rc = -EALREADY);
- }
+ /* Return -EALREADY here so that we know that the /proc
+ * entry already has been created */
+ if (old_stat != new_stat) {
+ nidstat_putref(old_stat);
+ GOTO(destroy_new, rc = -EALREADY);
+ }
/* not found - create */
OBD_ALLOC(buffer, LNET_NIDSTR_SIZE);
if (buffer == NULL)
NULL, NULL);
OBD_FREE(buffer, LNET_NIDSTR_SIZE);
- if (new_stat->nid_proc == NULL) {
- CERROR("Error making export directory for nid %s\n",
- libcfs_nid2str(*nid));
- GOTO(destroy_new_ns, rc = -ENOMEM);
- }
+ 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);
+ GOTO(destroy_new_ns, rc);
+ }
entry = lprocfs_add_simple(new_stat->nid_proc, "uuid",
lprocfs_exp_rd_uuid, NULL, new_stat, NULL);
GOTO(destroy_new_ns, rc);
}
- exp->exp_nid_stats = new_stat;
+ 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);
RETURN(rc);
}
EXPORT_SYMBOL(lprocfs_exp_setup);
+#endif
int lprocfs_exp_cleanup(struct obd_export *exp)
{
}
EXPORT_SYMBOL(lprocfs_exp_cleanup);
+__s64 lprocfs_read_helper(struct lprocfs_counter *lc,
+ struct lprocfs_counter_header *header,
+ enum lprocfs_stats_flags flags,
+ enum lprocfs_fields_flags field)
+{
+ __s64 ret = 0;
+
+ if (lc == NULL || header == NULL)
+ RETURN(0);
+
+ switch (field) {
+ case LPROCFS_FIELDS_FLAGS_CONFIG:
+ ret = header->lc_config;
+ break;
+ case LPROCFS_FIELDS_FLAGS_SUM:
+ ret = lc->lc_sum;
+ if ((flags & LPROCFS_STATS_FLAG_IRQ_SAFE) != 0)
+ ret += lc->lc_sum_irq;
+ break;
+ case LPROCFS_FIELDS_FLAGS_MIN:
+ ret = lc->lc_min;
+ break;
+ case LPROCFS_FIELDS_FLAGS_MAX:
+ ret = lc->lc_max;
+ break;
+ case LPROCFS_FIELDS_FLAGS_AVG:
+ ret = (lc->lc_max - lc->lc_min) / 2;
+ break;
+ case LPROCFS_FIELDS_FLAGS_SUMSQUARE:
+ ret = lc->lc_sumsquare;
+ break;
+ case LPROCFS_FIELDS_FLAGS_COUNT:
+ ret = lc->lc_count;
+ break;
+ default:
+ break;
+ };
+ RETURN(ret);
+}
+EXPORT_SYMBOL(lprocfs_read_helper);
+
int lprocfs_write_helper(const char *buffer, unsigned long count,
int *val)
{
}
EXPORT_SYMBOL(lprocfs_read_frac_helper);
+int lprocfs_seq_read_frac_helper(struct seq_file *m, long val, int mult)
+{
+ long decimal_val, frac_val;
+
+ decimal_val = val / mult;
+ seq_printf(m, "%ld", decimal_val);
+ frac_val = val % mult;
+
+ if (frac_val > 0) {
+ frac_val *= 100;
+ frac_val /= mult;
+ }
+ if (frac_val > 0) {
+ /* Three cases: x0, xx, 0x */
+ if ((frac_val % 10) != 0)
+ seq_printf(m, ".%ld", frac_val);
+ else
+ seq_printf(m, ".%ld", frac_val / 10);
+ }
+
+ seq_printf(m, "\n");
+ return 0;
+}
+EXPORT_SYMBOL(lprocfs_seq_read_frac_helper);
+
int lprocfs_write_u64_helper(const char *buffer, unsigned long count,__u64 *val)
{
return lprocfs_write_frac_u64_helper(buffer, count, val, 1);
}
units = 1;
- switch(*end) {
- case 'p': case 'P':
- units <<= 10;
- case 't': case 'T':
- units <<= 10;
- case 'g': case 'G':
- units <<= 10;
- case 'm': case 'M':
- units <<= 10;
- case 'k': case 'K':
- units <<= 10;
- }
+ if (end != NULL) {
+ switch (*end) {
+ case 'p': case 'P':
+ units <<= 10;
+ case 't': case 'T':
+ units <<= 10;
+ case 'g': case 'G':
+ units <<= 10;
+ case 'm': case 'M':
+ units <<= 10;
+ case 'k': case 'K':
+ units <<= 10;
+ }
+ }
/* Specified units override the multiplier */
if (units)
mult = mult < 0 ? -units : units;
* If \a name is not found the original \a buffer is returned.
*/
char *lprocfs_find_named_value(const char *buffer, const char *name,
- unsigned long *count)
+ size_t *count)
{
char *val;
size_t buflen = *count;
const struct file_operations *seq_fops,
void *data)
{
- struct proc_dir_entry *entry;
- ENTRY;
+ struct proc_dir_entry *entry;
+ ENTRY;
/* Disallow secretly (un)writable entries. */
LASSERT((seq_fops->write == NULL) == ((mode & 0222) == 0));
- LPROCFS_WRITE_ENTRY();
- entry = create_proc_entry(name, mode, parent);
- if (entry) {
- entry->proc_fops = seq_fops;
- entry->data = data;
- }
- LPROCFS_WRITE_EXIT();
+ entry = proc_create_data(name, mode, parent, seq_fops, data);
- if (entry == NULL)
- RETURN(-ENOMEM);
+ if (entry == NULL)
+ RETURN(-ENOMEM);
- RETURN(0);
+ RETURN(0);
}
EXPORT_SYMBOL(lprocfs_seq_create);
void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value)
{
- unsigned int val;
+ unsigned int val = 0;
- for (val = 0; ((1 << val) < value) && (val <= OBD_HIST_MAX); val++)
- ;
+ if (likely(value != 0))
+ val = min(fls(value - 1), OBD_HIST_MAX);
- lprocfs_oh_tally(oh, val);
+ lprocfs_oh_tally(oh, val);
}
EXPORT_SYMBOL(lprocfs_oh_tally_log2);
}
EXPORT_SYMBOL(lprocfs_obd_rd_hash);
+#ifdef HAVE_SERVER_SUPPORT
int lprocfs_obd_rd_recovery_status(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
return min(count, len - (int)off);
}
EXPORT_SYMBOL(lprocfs_obd_rd_recovery_status);
+#endif
int lprocfs_obd_rd_ir_factor(char *page, char **start, off_t off,
int count, int *eof, void *data)
}
EXPORT_SYMBOL(lprocfs_obd_rd_max_pages_per_rpc);
+int lprocfs_obd_max_pages_per_rpc_seq_show(struct seq_file *m, void *data)
+{
+ struct obd_device *dev = data;
+ struct client_obd *cli = &dev->u.cli;
+ int rc;
+
+ client_obd_list_lock(&cli->cl_loi_list_lock);
+ rc = seq_printf(m, "%d\n", cli->cl_max_pages_per_rpc);
+ client_obd_list_unlock(&cli->cl_loi_list_lock);
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_obd_max_pages_per_rpc_seq_show);
+
+#ifdef HAVE_SERVER_SUPPORT
int lprocfs_target_rd_instance(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
return snprintf(page, count, "%u\n", obd->u.obt.obt_instance);
}
EXPORT_SYMBOL(lprocfs_target_rd_instance);
+#endif
#endif /* LPROCFS*/