* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define DEBUG_SUBSYSTEM S_CLASS
-#ifndef __KERNEL__
-#include <liblustre.h>
-#endif
-
#include <obd_class.h>
#include <lprocfs_status.h>
#include <lustre/lustre_idl.h>
-#if defined(LPROCFS)
+#ifdef CONFIG_PROC_FS
static int lprocfs_no_percpu_stats = 0;
CFS_MODULE_PARM(lprocfs_no_percpu_stats, "i", int, 0644,
}
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)
-{
- struct proc_dir_entry *temp;
-
- if (head == NULL)
- return NULL;
-
- temp = head->subdir;
- while (temp != NULL) {
- if (strcmp(temp->name, name) == 0) {
- return temp;
- }
-
- temp = temp->next;
- }
- return NULL;
-}
-
-struct proc_dir_entry *lprocfs_srch(struct proc_dir_entry *head,
- const char *name)
-{
- struct proc_dir_entry *temp;
-
- LPROCFS_SRCH_ENTRY();
- temp = __lprocfs_srch(head, name);
- LPROCFS_SRCH_EXIT();
- return temp;
-}
-EXPORT_SYMBOL(lprocfs_srch);
-
-/* lprocfs API calls */
-
-/* Function that emulates snprintf but also has the side effect of advancing
- the page pointer for the next write into the buffer, incrementing the total
- length written to the buffer, and decrementing the size left in the
- buffer. */
-#ifdef HAVE_SERVER_SUPPORT
-static int lprocfs_obd_snprintf(char **page, int end, int *len,
- const char *format, ...)
-{
- va_list list;
- int n;
-
- if (*len >= end)
- return 0;
-
- va_start(list, format);
- n = vsnprintf(*page, end - *len, format, list);
- va_end(list);
-
- *page += n; *len += n;
- return n;
-}
-#endif /* HAVE_SERVER_SUPPORT */
-#endif /* HAVE_ONLY_PROCFS_SEQ */
-
-cfs_proc_dir_entry_t *lprocfs_add_simple(struct proc_dir_entry *root,
- char *name,
-#ifndef HAVE_ONLY_PROCFS_SEQ
- read_proc_t *read_proc,
- write_proc_t *write_proc,
-#endif
- void *data,
- struct file_operations *fops)
+struct proc_dir_entry *
+lprocfs_add_simple(struct proc_dir_entry *root, char *name,
+ void *data, const struct file_operations *fops)
{
- cfs_proc_dir_entry_t *proc;
- mode_t mode = 0;
+ struct proc_dir_entry *proc;
+ mode_t mode = 0;
- if (root == NULL || name == NULL)
+ if (root == NULL || name == NULL || fops == NULL)
return ERR_PTR(-EINVAL);
- 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);
- }
+ 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\n",
+ name);
+ return ERR_PTR(-ENOMEM);
}
return proc;
}
va_end(ap);
entry = proc_symlink(name, parent, dest);
- if (entry == NULL)
- CERROR("LprocFS: Could not create symbolic link from %s to %s",
- name, dest);
+ if (entry == NULL)
+ CERROR("LprocFS: Could not create symbolic link from "
+ "%s to %s\n", name, dest);
OBD_FREE(dest, MAX_STRING_SIZE + 1);
return entry;
}
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)
-{
- struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
- char *page, *start = NULL;
- int rc = 0, eof = 1, count;
-
- if (*ppos >= PAGE_CACHE_SIZE)
- return 0;
-
- page = (char *)__get_free_page(GFP_KERNEL);
- if (page == NULL)
- return -ENOMEM;
-
- if (LPROCFS_ENTRY_CHECK(dp)) {
- rc = -ENOENT;
- goto out;
- }
-
- OBD_FAIL_TIMEOUT(OBD_FAIL_LPROC_REMOVE, 10);
- if (dp->read_proc)
- rc = dp->read_proc(page, &start, *ppos, PAGE_CACHE_SIZE,
- &eof, dp->data);
- if (rc <= 0)
- goto out;
-
- /* for lustre proc read, the read count must be less than PAGE_SIZE */
- LASSERT(eof == 1);
-
- if (start == NULL) {
- rc -= *ppos;
- if (rc < 0)
- rc = 0;
- if (rc == 0)
- goto out;
- start = page + *ppos;
- } else if (start < page) {
- start = page;
- }
-
- count = (rc < size) ? rc : size;
- if (copy_to_user(buf, start, count)) {
- rc = -EFAULT;
- goto out;
- }
- *ppos += count;
-
-out:
- free_page((unsigned long)page);
- return rc;
-}
-
-static ssize_t lprocfs_fops_write(struct file *f, const char __user *buf,
- size_t size, loff_t *ppos)
-{
- struct proc_dir_entry *dp = PDE(f->f_dentry->d_inode);
- int rc = -EIO;
-
- if (LPROCFS_ENTRY_CHECK(dp))
- return -ENOENT;
- if (dp->write_proc)
- rc = dp->write_proc(f, buf, size, dp->data);
- return rc;
-}
-
-static struct file_operations lprocfs_generic_fops = {
- .owner = THIS_MODULE,
- .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 obd_device *obd = PDE_DATA(f->f_dentry->d_inode);
-
- atomic_inc(&obd->obd_evict_inprogress);
- return 0;
-}
-
-int lprocfs_evict_client_release(struct inode *inode, struct file *f)
-{
- struct obd_device *obd = PDE_DATA(f->f_dentry->d_inode);
-
- atomic_dec(&obd->obd_evict_inprogress);
- wake_up(&obd->obd_evict_inprogress_waitq);
-
- return 0;
-}
-
-#define BUFLEN (UUID_MAX + 5)
-
-#ifndef HAVE_ONLY_PROCFS_SEQ
-int lprocfs_wr_evict_client(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = data;
- char *kbuf;
- char *tmpbuf;
-
- OBD_ALLOC(kbuf, BUFLEN);
- if (kbuf == NULL)
- return -ENOMEM;
-
- /*
- * OBD_ALLOC() will zero kbuf, but we only copy BUFLEN - 1
- * bytes into kbuf, to ensure that the string is NUL-terminated.
- * UUID_MAX should include a trailing NUL already.
- */
- if (copy_from_user(kbuf, buffer,
- min_t(unsigned long, BUFLEN - 1, count))) {
- count = -EFAULT;
- goto out;
- }
- tmpbuf = cfs_firststr(kbuf, min_t(unsigned long, BUFLEN - 1, count));
- class_incref(obd, __FUNCTION__, current);
-
- if (strncmp(tmpbuf, "nid:", 4) == 0)
- obd_export_evict_by_nid(obd, tmpbuf + 4);
- else if (strncmp(tmpbuf, "uuid:", 5) == 0)
- obd_export_evict_by_uuid(obd, tmpbuf + 5);
- else
- obd_export_evict_by_uuid(obd, tmpbuf);
-
- class_decref(obd, __FUNCTION__, current);
-out:
- OBD_FREE(kbuf, BUFLEN);
- return count;
-}
-EXPORT_SYMBOL(lprocfs_wr_evict_client);
-#endif
-
-ssize_t
-lprocfs_evict_client_seq_write(struct file *file, const char *buffer,
- size_t count, loff_t *off)
-{
- struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
- char *tmpbuf, *kbuf;
-
- OBD_ALLOC(kbuf, BUFLEN);
- if (kbuf == NULL)
- return -ENOMEM;
-
- /*
- * OBD_ALLOC() will zero kbuf, but we only copy BUFLEN - 1
- * bytes into kbuf, to ensure that the string is NUL-terminated.
- * UUID_MAX should include a trailing NUL already.
- */
- if (copy_from_user(kbuf, buffer,
- min_t(unsigned long, BUFLEN - 1, count))) {
- count = -EFAULT;
- goto out;
- }
- tmpbuf = cfs_firststr(kbuf, min_t(unsigned long, BUFLEN - 1, count));
- class_incref(obd, __FUNCTION__, current);
-
- if (strncmp(tmpbuf, "nid:", 4) == 0)
- obd_export_evict_by_nid(obd, tmpbuf + 4);
- else if (strncmp(tmpbuf, "uuid:", 5) == 0)
- obd_export_evict_by_uuid(obd, tmpbuf + 5);
- else
- obd_export_evict_by_uuid(obd, tmpbuf);
-
- class_decref(obd, __FUNCTION__, current);
-
-out:
- OBD_FREE(kbuf, BUFLEN);
- return count;
-}
-EXPORT_SYMBOL(lprocfs_evict_client_seq_write);
-
-#undef BUFLEN
-
-struct file_operations lprocfs_evict_client_fops = {
- .owner = THIS_MODULE,
- .read = lprocfs_fops_read,
- .write = lprocfs_fops_write,
- .open = lprocfs_evict_client_open,
- .release = lprocfs_evict_client_release,
-};
-EXPORT_SYMBOL(lprocfs_evict_client_fops);
-#endif
-
-#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;
-
- while (list->name != NULL) {
- struct proc_dir_entry *cur_root, *proc;
- char *pathcopy, *cur, *next, pathbuf[64];
- int pathsize = strlen(list->name) + 1;
-
- proc = NULL;
- cur_root = root;
-
- /* need copy of path for strsep */
- if (strlen(list->name) > sizeof(pathbuf) - 1) {
- OBD_ALLOC(pathcopy, pathsize);
- if (pathcopy == NULL)
- GOTO(out, rc = -ENOMEM);
- } else {
- pathcopy = pathbuf;
- }
-
- next = pathcopy;
- strcpy(pathcopy, list->name);
-
- while (cur_root != NULL && (cur = strsep(&next, "/"))) {
- if (*cur =='\0') /* skip double/trailing "/" */
- continue;
-
- proc = __lprocfs_srch(cur_root, cur);
- CDEBUG(D_OTHER, "cur_root=%s, cur=%s, next=%s, (%s)\n",
- cur_root->name, cur, next,
- (proc ? "exists" : "new"));
- if (next != NULL) {
- cur_root = (proc ? proc :
- proc_mkdir(cur, cur_root));
- } else if (proc == NULL) {
- mode_t mode = 0;
- if (list->proc_mode != 0000) {
- mode = list->proc_mode;
- } else {
- if (list->read_fptr)
- mode = 0444;
- if (list->write_fptr)
- mode |= 0200;
- }
- proc = create_proc_entry(cur, mode, cur_root);
- }
- }
-
- if (pathcopy != pathbuf)
- OBD_FREE(pathcopy, pathsize);
-
- if (cur_root == NULL || proc == NULL) {
- CERROR("LprocFS: No memory to create /proc entry %s",
- list->name);
- GOTO(out, rc = -ENOMEM);
- }
-
- if (list->fops)
- proc->proc_fops = list->fops;
- else
- proc->proc_fops = &lprocfs_generic_fops;
- proc->read_proc = list->read_fptr;
- proc->write_proc = list->write_fptr;
- proc->data = (list->data ? list->data : data);
- list++;
- }
-out:
- 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);
-
-#endif
+static const struct file_operations lprocfs_generic_fops = { };
/**
* Add /proc entries.
* < 0 on error
*/
int
-lprocfs_seq_add_vars(struct proc_dir_entry *root, struct lprocfs_seq_vars *list,
- void *data)
+lprocfs_add_vars(struct proc_dir_entry *root, struct lprocfs_vars *list,
+ void *data)
{
if (root == NULL || list == NULL)
return -EINVAL;
}
return 0;
}
-EXPORT_SYMBOL(lprocfs_seq_add_vars);
+EXPORT_SYMBOL(lprocfs_add_vars);
+
+#ifndef HAVE_REMOVE_PROC_SUBTREE
+/* for b=10866, global variable */
+DECLARE_RWSEM(_lprocfs_lock);
+EXPORT_SYMBOL(_lprocfs_lock);
-#ifndef HAVE_ONLY_PROCFS_SEQ
-void lprocfs_remove_nolock(struct proc_dir_entry **proot)
+static void lprocfs_remove_nolock(struct proc_dir_entry **proot)
{
struct proc_dir_entry *root = *proot;
struct proc_dir_entry *temp = root;
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);
-
-void lprocfs_remove_proc_entry(const char *name, struct proc_dir_entry *parent)
-{
- LASSERT(parent != NULL);
- remove_proc_entry(name, parent);
-}
-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)
+int remove_proc_subtree(const char *name, struct proc_dir_entry *parent)
{
struct proc_dir_entry *t = NULL;
struct proc_dir_entry **p;
LASSERT(parent != NULL);
len = strlen(name);
- LPROCFS_WRITE_ENTRY();
-
+ down_write(&_lprocfs_lock);
/* lookup target name */
for (p = &parent->subdir; *p; p = &(*p)->next) {
if ((*p)->namelen != len)
if (busy == 0)
lprocfs_remove_nolock(&t);
- LPROCFS_WRITE_EXIT();
-
- return;
+ up_write(&_lprocfs_lock);
+ return 0;
}
-EXPORT_SYMBOL(lprocfs_try_remove_proc_entry);
+#endif /* !HAVE_REMOVE_PROC_SUBTREE */
-struct proc_dir_entry *lprocfs_register(const char *name,
- struct proc_dir_entry *parent,
- struct lprocfs_vars *list, void *data)
+#ifndef HAVE_PROC_REMOVE
+void proc_remove(struct proc_dir_entry *de)
{
- struct proc_dir_entry *entry;
- int rc;
-
- LPROCFS_WRITE_ENTRY();
- entry = __lprocfs_srch(parent, name);
- if (entry != NULL) {
- CERROR("entry '%s' already registered\n", name);
- GOTO(out, entry = ERR_PTR(-EALREADY));
- }
+#ifndef HAVE_REMOVE_PROC_SUBTREE
+ down_write(&_lprocfs_lock); /* search vs remove race */
+ lprocfs_remove_nolock(&de);
+ up_write(&_lprocfs_lock);
+#else
+ if (de)
+ remove_proc_subtree(de->name, de->parent);
+#endif
+}
+#endif
- entry = proc_mkdir(name, parent);
- if (entry == NULL)
- GOTO(out, entry = ERR_PTR(-ENOMEM));
+void lprocfs_remove(struct proc_dir_entry **rooth)
+{
+ proc_remove(*rooth);
+ *rooth = NULL;
+}
+EXPORT_SYMBOL(lprocfs_remove);
- 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;
+void lprocfs_remove_proc_entry(const char *name, struct proc_dir_entry *parent)
+{
+ LASSERT(parent != NULL);
+ remove_proc_entry(name, parent);
}
-EXPORT_SYMBOL(lprocfs_register);
-#endif
+EXPORT_SYMBOL(lprocfs_remove_proc_entry);
struct proc_dir_entry *
-lprocfs_seq_register(const char *name, struct proc_dir_entry *parent,
- struct lprocfs_seq_vars *list, void *data)
+lprocfs_register(const char *name, struct proc_dir_entry *parent,
+ struct lprocfs_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 (newchild == NULL)
+ return ERR_PTR(-ENOMEM);
+
+ if (list != NULL) {
+ int rc = lprocfs_add_vars(newchild, list, data);
if (rc) {
lprocfs_remove(&newchild);
return ERR_PTR(rc);
}
return newchild;
}
-EXPORT_SYMBOL(lprocfs_seq_register);
+EXPORT_SYMBOL(lprocfs_register);
/* Generic callbacks */
int lprocfs_uint_seq_show(struct seq_file *m, void *data)
}
EXPORT_SYMBOL(lprocfs_uint_seq_show);
-int lprocfs_wr_uint(struct file *file, const char *buffer,
+int lprocfs_wr_uint(struct file *file, const char __user *buffer,
unsigned long count, void *data)
{
unsigned *p = data;
}
EXPORT_SYMBOL(lprocfs_wr_uint);
-ssize_t lprocfs_uint_seq_write(struct file *file, const char *buffer,
+ssize_t lprocfs_uint_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off)
{
int *data = ((struct seq_file *)file->private_data)->private;
EXPORT_SYMBOL(lprocfs_atomic_seq_show);
ssize_t
-lprocfs_atomic_seq_write(struct file *file, const char *buffer,
+lprocfs_atomic_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off)
{
atomic_t *atm = ((struct seq_file *)file->private_data)->private;
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) \
+#define flag2str(flag) \
do { \
- if (imp->imp_##flag) \
+ if (imp->imp_##flag) { \
seq_printf(m, "%s" #flag, first ? "" : ", "); \
+ first = false; \
+ } \
} while (0)
-static int obd_import_flags2seqstr(struct obd_import *imp, struct seq_file *m)
+static void obd_import_flags2str(struct obd_import *imp, struct seq_file *m)
{
bool first = true;
first = false;
}
- flag2seqstr(invalid);
- flag2seqstr(deactive);
- flag2seqstr(replayable);
- flag2seqstr(pingable);
- return 0;
+ flag2str(invalid);
+ flag2str(deactive);
+ flag2str(replayable);
+ flag2str(delayed_recovery);
+ flag2str(no_lock_replay);
+ flag2str(vbr_failed);
+ flag2str(pingable);
+ flag2str(resend_replay);
+ flag2str(no_pinger_recover);
+ flag2str(need_mne_swab);
+ flag2str(connect_tried);
}
-#undef flags2seqstr
+#undef flag2str
static const char *obd_connect_names[] = {
"read_only",
"pingless",
"flock_deadlock",
"disp_stripe",
+ "open_by_fid",
+ "lfsck",
"unknown",
+ "unlink_close",
+ "multi_mod_rpcs",
+ "dir_stripe",
+ "fileset_mount",
+ "lock_ahead",
+ "bulk_mbits",
+ "compact_obdo",
NULL
};
}
}
if (flags & ~(mask - 1))
- seq_printf(m, "%sunknown flags "LPX64,
+ seq_printf(m, "%sunknown_"LPX64,
first ? "" : sep, flags & ~(mask - 1));
}
}
if (flags & ~(mask - 1))
ret += snprintf(page + ret, count - ret,
- "%sunknown flags "LPX64,
+ "%sunknown_"LPX64,
ret ? sep : "", flags & ~(mask - 1));
return ret;
}
static void obd_connect_data_seqprint(struct seq_file *m,
struct obd_connect_data *ocd)
{
- int flags;
+ __u64 flags;
LASSERT(ocd != NULL);
flags = ocd->ocd_connect_flags;
if (flags & OBD_CONNECT_MAXBYTES)
seq_printf(m, " max_object_bytes: "LPU64"\n",
ocd->ocd_maxbytes);
+ if (flags & OBD_CONNECT_MULTIMODRPCS)
+ seq_printf(m, " max_mod_rpcs: %hu\n",
+ ocd->ocd_maxmodrpcs);
}
int lprocfs_import_seq_show(struct seq_file *m, void *data)
{
+ char nidstr[LNET_NIDSTR_SIZE];
struct lprocfs_counter ret;
struct lprocfs_counter_header *header;
struct obd_device *obd = (struct obd_device *)data;
" name: %s\n"
" target: %s\n"
" state: %s\n"
- " connect_flags: [",
+ " 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");
+ seq_printf(m, " ]\n");
obd_connect_data_seqprint(m, ocd);
- seq_printf(m, " import_flags: [");
- obd_import_flags2seqstr(imp, m);
+ seq_printf(m, " import_flags: [ ");
+ obd_import_flags2str(imp, m);
- seq_printf(m, "]\n"
+ seq_printf(m, " ]\n"
" connection:\n"
- " failover_nids: [");
+ " 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));
+ libcfs_nid2str_r(conn->oic_conn->c_peer.nid,
+ nidstr, sizeof(nidstr));
+ seq_printf(m, "%s%s", j ? ", " : "", nidstr);
j++;
}
- seq_printf(m, "]\n"
+ if (imp->imp_connection != NULL)
+ libcfs_nid2str_r(imp->imp_connection->c_peer.nid,
+ nidstr, sizeof(nidstr));
+ else
+ strncpy(nidstr, "<none>", sizeof(nidstr));
+ 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),
+ nidstr,
imp->imp_conn_cnt,
imp->imp_generation,
atomic_read(&imp->imp_inval_count));
&imp->imp_state_hist[(k + j) % IMP_STATE_HIST_LEN];
if (ish->ish_state == 0)
continue;
- seq_printf(m, " - ["CFS_TIME_T", %s]\n",
+ seq_printf(m, " - [ "CFS_TIME_T", %s ]\n",
ish->ish_time,
ptlrpc_import_state_name(ish->ish_state));
}
}
EXPORT_SYMBOL(lprocfs_state_seq_show);
-int lprocfs_seq_at_hist_helper(struct seq_file *m, struct adaptive_timeout *at)
+int lprocfs_at_hist_helper(struct seq_file *m, struct adaptive_timeout *at)
{
int i;
for (i = 0; i < AT_BINS; i++)
seq_printf(m, "\n");
return 0;
}
-EXPORT_SYMBOL(lprocfs_seq_at_hist_helper);
+EXPORT_SYMBOL(lprocfs_at_hist_helper);
/* See also ptlrpc_lprocfs_timeouts_show_seq */
int lprocfs_timeouts_seq_show(struct seq_file *m, void *data)
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);
+ lprocfs_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)
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_at_hist_helper(m, &imp->imp_at.iat_service_estimate[i]);
}
LPROCFS_CLIMP_EXIT(obd);
}
EXPORT_SYMBOL(lprocfs_connect_flags_seq_show);
-#ifdef HAVE_SERVER_SUPPORT
-int lprocfs_num_exports_seq_show(struct seq_file *m, void *data)
+int
+lprocfs_obd_setup(struct obd_device *obd)
{
- struct obd_device *obd = data;
+ int rc = 0;
LASSERT(obd != NULL);
- return seq_printf(m, "%u\n", obd->obd_num_exports);
-}
-EXPORT_SYMBOL(lprocfs_num_exports_seq_show);
-#endif
-
-#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)
-{
- LASSERT(data != NULL);
- *eof = 1;
- return snprintf(page, count, LPU64"\n", *(__u64 *)data);
-}
-EXPORT_SYMBOL(lprocfs_rd_u64);
-
-int lprocfs_rd_atomic(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- atomic_t *atom = data;
- LASSERT(atom != NULL);
- *eof = 1;
- return snprintf(page, count, "%d\n", atomic_read(atom));
-}
-EXPORT_SYMBOL(lprocfs_rd_atomic);
-
-int lprocfs_wr_atomic(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- atomic_t *atm = data;
- int val = 0;
- int rc;
-
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc < 0)
- return rc;
-
- if (val <= 0)
- return -ERANGE;
-
- atomic_set(atm, val);
- return count;
-}
-EXPORT_SYMBOL(lprocfs_wr_atomic);
-
-int lprocfs_rd_uuid(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct obd_device *obd = data;
-
- LASSERT(obd != NULL);
- *eof = 1;
- return snprintf(page, count, "%s\n", obd->obd_uuid.uuid);
-}
-EXPORT_SYMBOL(lprocfs_rd_uuid);
-
-int lprocfs_rd_name(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct obd_device *dev = data;
+ LASSERT(obd->obd_magic == OBD_DEVICE_MAGIC);
+ LASSERT(obd->obd_type->typ_procroot != NULL);
- LASSERT(dev != NULL);
- *eof = 1;
- return snprintf(page, count, "%s\n", dev->obd_name);
+ obd->obd_proc_entry = lprocfs_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_rd_name);
+EXPORT_SYMBOL(lprocfs_obd_setup);
-int lprocfs_rd_blksize(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+int lprocfs_obd_cleanup(struct obd_device *obd)
{
- 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) {
- *eof = 1;
- rc = snprintf(page, count, "%u\n", osfs.os_bsize);
+ if (!obd)
+ return -EINVAL;
+ if (obd->obd_proc_exports_entry) {
+ /* Should be no exports left */
+ lprocfs_remove(&obd->obd_proc_exports_entry);
+ obd->obd_proc_exports_entry = NULL;
}
- return rc;
-}
-EXPORT_SYMBOL(lprocfs_rd_blksize);
-
-int lprocfs_rd_kbytestotal(char *page, char **start, off_t off, int count,
- int *eof, 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;
-
- *eof = 1;
- rc = snprintf(page, count, LPU64"\n", result);
+ if (obd->obd_proc_entry) {
+ lprocfs_remove(&obd->obd_proc_entry);
+ obd->obd_proc_entry = NULL;
}
- return rc;
+ return 0;
}
-EXPORT_SYMBOL(lprocfs_rd_kbytestotal);
+EXPORT_SYMBOL(lprocfs_obd_cleanup);
-int lprocfs_rd_kbytesfree(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+int lprocfs_stats_alloc_one(struct lprocfs_stats *stats, unsigned int cpuid)
{
- 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;
-
- *eof = 1;
- rc = snprintf(page, count, LPU64"\n", result);
- }
- return rc;
-}
-EXPORT_SYMBOL(lprocfs_rd_kbytesfree);
+ struct lprocfs_counter *cntr;
+ unsigned int percpusize;
+ int rc = -ENOMEM;
+ unsigned long flags = 0;
+ int i;
-int lprocfs_rd_kbytesavail(char *page, char **start, off_t off, int count,
- int *eof, 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;
-
- *eof = 1;
- rc = snprintf(page, count, LPU64"\n", result);
- }
- return rc;
-}
-EXPORT_SYMBOL(lprocfs_rd_kbytesavail);
-
-int lprocfs_rd_filestotal(char *page, char **start, off_t off, int count,
- int *eof, 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) {
- *eof = 1;
- rc = snprintf(page, count, LPU64"\n", osfs.os_files);
- }
-
- return rc;
-}
-EXPORT_SYMBOL(lprocfs_rd_filestotal);
-
-int lprocfs_rd_filesfree(char *page, char **start, off_t off, int count,
- int *eof, 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) {
- *eof = 1;
- rc = snprintf(page, count, LPU64"\n", osfs.os_ffree);
- }
- return rc;
-}
-EXPORT_SYMBOL(lprocfs_rd_filesfree);
-
-int lprocfs_rd_server_uuid(char *page, char **start, off_t off, int count,
- int *eof, 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);
- *eof = 1;
- rc = snprintf(page, count, "%s\t%s%s\n",
- obd2cli_tgt(obd), imp_state_name,
- imp->imp_deactive ? "\tDEACTIVATED" : "");
-
- LPROCFS_CLIMP_EXIT(obd);
- return rc;
-}
-EXPORT_SYMBOL(lprocfs_rd_server_uuid);
-
-int lprocfs_rd_conn_uuid(char *page, char **start, off_t off, int count,
- int *eof, 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;
- *eof = 1;
- if (conn && obd->u.cli.cl_import) {
- rc = snprintf(page, count, "%s\n",
- conn->c_remote_uuid.uuid);
- } else {
- rc = snprintf(page, count, "%s\n", "<none>");
- }
-
- LPROCFS_CLIMP_EXIT(obd);
- return rc;
-}
-EXPORT_SYMBOL(lprocfs_rd_conn_uuid);
-
-/**
- * Append a space separated list of current set flags to str.
- */
-#define flag2str(flag) \
- if (imp->imp_##flag && max - len > 0) \
- len += snprintf(str + len, max - len, "%s" #flag, len ? ", " : "");
-static int obd_import_flags2str(struct obd_import *imp, char *str, int max)
-{
- int len = 0;
-
- if (imp->imp_obd->obd_no_recov)
- len += snprintf(str, max - len, "no_recov");
-
- flag2str(invalid);
- flag2str(deactive);
- flag2str(replayable);
- flag2str(pingable);
- return len;
-}
-#undef flags2str
-
-int lprocfs_rd_import(char *page, char **start, off_t off, int count,
- int *eof, 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;
- int i;
- int j;
- int k;
- int rw = 0;
-
- LASSERT(obd != NULL);
- LPROCFS_CLIMP_CHECK(obd);
- imp = obd->u.cli.cl_import;
- *eof = 1;
-
- i = snprintf(page, count,
- "import:\n"
- " name: %s\n"
- " target: %s\n"
- " state: %s\n"
- " instance: %u\n"
- " connect_flags: [",
- obd->obd_name,
- obd2cli_tgt(obd),
- ptlrpc_import_state_name(imp->imp_state),
- imp->imp_connect_data.ocd_instance);
- i += obd_connect_flags2str(page + i, count - i,
- imp->imp_connect_data.ocd_connect_flags,
- ", ");
- i += snprintf(page + i, count - i,
- "]\n"
- " import_flags: [");
- i += obd_import_flags2str(imp, page + i, count - i);
-
- i += snprintf(page + i, count - i,
- "]\n"
- " connection:\n"
- " failover_nids: [");
- spin_lock(&imp->imp_lock);
- j = 0;
- cfs_list_for_each_entry(conn, &imp->imp_conn_list, oic_item) {
- i += snprintf(page + i, count - i, "%s%s", j ? ", " : "",
- libcfs_nid2str(conn->oic_conn->c_peer.nid));
- j++;
- }
- i += snprintf(page + i, count - i,
- "]\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;
- i += snprintf(page + i, count - i,
- " 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]));
- }
- i += snprintf(page + i, count - i,
- " service_estimates:\n"
- " services: %u sec\n"
- " network: %u sec\n",
- k,
- at_get(&imp->imp_at.iat_net_latency));
-
- i += snprintf(page + i, count - i,
- " 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;
- i += snprintf(page + i, count - i,
- " %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;
- i += snprintf(page + i, count - i,
- " %s_per_rpc: "LPU64"\n",
- header->lc_units, ret.lc_sum);
- j = (int)ret.lc_sum;
- if (j > 0)
- i += snprintf(page + i, count - i,
- " MB_per_sec: %u.%.02u\n",
- k / j, (100 * k / j) % 100);
- }
- }
-
-out_climp:
- LPROCFS_CLIMP_EXIT(obd);
- return i;
-}
-EXPORT_SYMBOL(lprocfs_rd_import);
-
-int lprocfs_rd_state(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct obd_device *obd = (struct obd_device *)data;
- struct obd_import *imp;
- int i, j, k;
-
- LASSERT(obd != NULL);
- LPROCFS_CLIMP_CHECK(obd);
- imp = obd->u.cli.cl_import;
- *eof = 1;
-
- i = snprintf(page, count, "current_state: %s\n",
- ptlrpc_import_state_name(imp->imp_state));
- i += snprintf(page + i, count - i,
- "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;
- i += snprintf(page + i, count - i, " - ["CFS_TIME_T", %s]\n",
- ish->ish_time,
- ptlrpc_import_state_name(ish->ish_state));
- }
-
- LPROCFS_CLIMP_EXIT(obd);
- return i;
-}
-EXPORT_SYMBOL(lprocfs_rd_state);
-
-int lprocfs_at_hist_helper(char *page, int count, int rc,
- struct adaptive_timeout *at)
-{
- int i;
- for (i = 0; i < AT_BINS; i++)
- rc += snprintf(page + rc, count - rc, "%3u ", at->at_hist[i]);
- rc += snprintf(page + rc, count - rc, "\n");
- return rc;
-}
-EXPORT_SYMBOL(lprocfs_at_hist_helper);
-
-/* See also ptlrpc_lprocfs_rd_timeouts */
-int lprocfs_rd_timeouts(char *page, char **start, off_t off, int count,
- int *eof, 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, rc = 0;
-
- LASSERT(obd != NULL);
- LPROCFS_CLIMP_CHECK(obd);
- imp = obd->u.cli.cl_import;
- *eof = 1;
-
- now = cfs_time_current_sec();
-
- /* Some network health info for kicks */
- s2dhms(&ts, now - imp->imp_last_reply_time);
- rc += snprintf(page + rc, count - rc,
- "%-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);
- rc += snprintf(page + rc, count - rc,
- "%-10s : cur %3u worst %3u (at %ld, "DHMS_FMT" ago) ",
- "network", cur, worst, worstt, DHMS_VARS(&ts));
- rc = lprocfs_at_hist_helper(page, count, rc,
- &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);
- rc += snprintf(page + rc, count - rc,
- "portal %-2d : cur %3u worst %3u (at %ld, "
- DHMS_FMT" ago) ", imp->imp_at.iat_portal[i],
- cur, worst, worstt, DHMS_VARS(&ts));
- rc = lprocfs_at_hist_helper(page, count, rc,
- &imp->imp_at.iat_service_estimate[i]);
- }
-
- LPROCFS_CLIMP_EXIT(obd);
- return rc;
-}
-EXPORT_SYMBOL(lprocfs_rd_timeouts);
-
-int lprocfs_rd_connect_flags(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *obd = data;
- __u64 flags;
- int ret = 0;
-
- LPROCFS_CLIMP_CHECK(obd);
- flags = obd->u.cli.cl_import->imp_connect_data.ocd_connect_flags;
- ret = snprintf(page, count, "flags="LPX64"\n", flags);
- ret += obd_connect_flags2str(page + ret, count - ret, flags, "\n");
- ret += snprintf(page + ret, count - ret, "\n");
- LPROCFS_CLIMP_EXIT(obd);
- return ret;
-}
-EXPORT_SYMBOL(lprocfs_rd_connect_flags);
-
-#ifdef HAVE_SERVER_SUPPORT
-int lprocfs_rd_num_exports(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct obd_device *obd = data;
-
- LASSERT(obd != NULL);
- *eof = 1;
- return snprintf(page, count, "%u\n", obd->obd_num_exports);
-}
-EXPORT_SYMBOL(lprocfs_rd_num_exports);
-#endif
-
-int lprocfs_rd_numrefs(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct obd_type *class = (struct obd_type*) data;
-
- LASSERT(class != NULL);
- *eof = 1;
- return snprintf(page, count, "%d\n", class->typ_refcnt);
-}
-EXPORT_SYMBOL(lprocfs_rd_numrefs);
-
-int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list)
-{
- 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;
-}
-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)
-{
- if (!obd)
- return -EINVAL;
- if (obd->obd_proc_exports_entry) {
- /* Should be no exports left */
- lprocfs_remove(&obd->obd_proc_exports_entry);
- obd->obd_proc_exports_entry = NULL;
- }
- if (obd->obd_proc_entry) {
- lprocfs_remove(&obd->obd_proc_entry);
- obd->obd_proc_entry = NULL;
- }
- return 0;
-}
-EXPORT_SYMBOL(lprocfs_obd_cleanup);
-
-static void lprocfs_free_client_stats(struct nid_stat *client_stat)
-{
- CDEBUG(D_CONFIG, "stat %p - data %p/%p\n", client_stat,
- client_stat->nid_proc, client_stat->nid_stats);
-
- LASSERTF(atomic_read(&client_stat->nid_exp_ref_count) == 0,
- "nid %s:count %d\n", libcfs_nid2str(client_stat->nid),
- atomic_read(&client_stat->nid_exp_ref_count));
-
- if (client_stat->nid_proc)
- lprocfs_remove(&client_stat->nid_proc);
-
- if (client_stat->nid_stats)
- lprocfs_free_stats(&client_stat->nid_stats);
-
- if (client_stat->nid_ldlm_stats)
- lprocfs_free_stats(&client_stat->nid_ldlm_stats);
-
- OBD_FREE_PTR(client_stat);
- return;
-
-}
-
-void lprocfs_free_per_client_stats(struct obd_device *obd)
-{
- cfs_hash_t *hash = obd->obd_nid_stats_hash;
- struct nid_stat *stat;
- ENTRY;
-
- /* we need extra list - because hash_exit called to early */
- /* not need locking because all clients is died */
- while (!cfs_list_empty(&obd->obd_nid_stats)) {
- stat = cfs_list_entry(obd->obd_nid_stats.next,
- struct nid_stat, nid_list);
- cfs_list_del_init(&stat->nid_list);
- cfs_hash_del(hash, &stat->nid, &stat->nid_hash);
- lprocfs_free_client_stats(stat);
- }
- EXIT;
-}
-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);
+ 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);
}
EXPORT_SYMBOL(lprocfs_clear_stats);
-static ssize_t lprocfs_stats_seq_write(struct file *file, const char *buf,
- size_t len, loff_t *off)
+static ssize_t lprocfs_stats_seq_write(struct file *file,
+ const char __user *buf,
+ size_t len, loff_t *off)
{
struct seq_file *seq = file->private_data;
struct lprocfs_stats *stats = seq->private;
return (rc < 0) ? rc : 0;
}
-struct seq_operations lprocfs_stats_seq_sops = {
+static const struct seq_operations lprocfs_stats_seq_sops = {
.start = lprocfs_stats_seq_start,
.stop = lprocfs_stats_seq_stop,
.next = lprocfs_stats_seq_next,
struct seq_file *seq;
int rc;
-#ifndef HAVE_ONLY_PROCFS_SEQ
- if (LPROCFS_ENTRY_CHECK(PDE(inode)))
- return -ENOENT;
-#endif
+ rc = LPROCFS_ENTRY_CHECK(inode);
+ if (rc < 0)
+ return rc;
+
rc = seq_open(file, &lprocfs_stats_seq_sops);
if (rc)
return rc;
return 0;
}
-struct file_operations lprocfs_stats_seq_fops = {
+static const struct file_operations lprocfs_stats_seq_fops = {
.owner = THIS_MODULE,
.open = lprocfs_stats_seq_open,
.read = seq_read,
}
EXPORT_SYMBOL(lprocfs_counter_init);
-#define LPROCFS_OBD_OP_INIT(base, stats, op) \
-do { \
- unsigned int coffset = base + OBD_COUNTER_OFFSET(op); \
- LASSERT(coffset < stats->ls_num); \
- lprocfs_counter_init(stats, coffset, 0, #op, "reqs"); \
-} while (0)
-
-void lprocfs_init_ops_stats(int num_private_stats, struct lprocfs_stats *stats)
-{
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, iocontrol);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, get_info);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, set_info_async);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, attach);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, detach);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, setup);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, precleanup);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, cleanup);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, process_config);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, postrecov);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, add_conn);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, del_conn);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, connect);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, reconnect);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, disconnect);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_init);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_fini);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_alloc);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs_async);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, packmd);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, unpackmd);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, create);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, create_async);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, setattr);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, setattr_async);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, getattr);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, getattr_async);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, preprw);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, commitrw);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, change_cbdata);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, find_cbdata);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, init_export);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy_export);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_init);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_connect);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_finish);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, pin);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, unpin);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, import_event);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, notify);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, health_check);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, get_uuid);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, quotacheck);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, quotactl);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, ping);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_new);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_rem);
- LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_add);
- 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);
-
-int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
-{
- struct lprocfs_stats *stats;
- unsigned int num_stats;
- int rc, i;
-
- LASSERT(obd->obd_stats == NULL);
- LASSERT(obd->obd_proc_entry != NULL);
- LASSERT(obd->obd_cntr_base == 0);
-
- num_stats = NUM_OBD_STATS + num_private_stats;
- stats = lprocfs_alloc_stats(num_stats, 0);
- if (stats == NULL)
- return -ENOMEM;
-
- lprocfs_init_ops_stats(num_private_stats, stats);
-
- for (i = num_private_stats; i < num_stats; i++) {
- /* If this LBUGs, it is likely that an obd
- * operation was added to struct obd_ops in
- * <obd.h>, and that the corresponding line item
- * LPROCFS_OBD_OP_INIT(.., .., opname)
- * is missing from the list above. */
- LASSERTF(stats->ls_cnt_header[i].lc_name != NULL,
- "Missing obd_stat initializer obd_op "
- "operation at offset %d.\n", i - num_private_stats);
- }
- rc = lprocfs_register_stats(obd->obd_proc_entry, "stats", stats);
- if (rc < 0) {
- lprocfs_free_stats(&stats);
- } else {
- obd->obd_stats = stats;
- obd->obd_cntr_base = num_private_stats;
- }
- return rc;
-}
-EXPORT_SYMBOL(lprocfs_alloc_obd_stats);
-
-void lprocfs_free_obd_stats(struct obd_device *obd)
-{
- if (obd->obd_stats)
- lprocfs_free_stats(&obd->obd_stats);
-}
-EXPORT_SYMBOL(lprocfs_free_obd_stats);
-
/* 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. */
LPROCFS_MD_OP_INIT(num_private_stats, stats, find_cbdata);
LPROCFS_MD_OP_INIT(num_private_stats, stats, close);
LPROCFS_MD_OP_INIT(num_private_stats, stats, create);
- LPROCFS_MD_OP_INIT(num_private_stats, stats, done_writing);
LPROCFS_MD_OP_INIT(num_private_stats, stats, enqueue);
LPROCFS_MD_OP_INIT(num_private_stats, stats, getattr);
LPROCFS_MD_OP_INIT(num_private_stats, stats, getattr_name);
LPROCFS_MD_OP_INIT(num_private_stats, stats, intent_lock);
LPROCFS_MD_OP_INIT(num_private_stats, stats, link);
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, fsync);
- LPROCFS_MD_OP_INIT(num_private_stats, stats, readpage);
- LPROCFS_MD_OP_INIT(num_private_stats, stats, read_entry);
+ LPROCFS_MD_OP_INIT(num_private_stats, stats, read_page);
LPROCFS_MD_OP_INIT(num_private_stats, stats, unlink);
LPROCFS_MD_OP_INIT(num_private_stats, stats, setxattr);
LPROCFS_MD_OP_INIT(num_private_stats, stats, getxattr);
LPROCFS_MD_OP_INIT(num_private_stats, stats, init_ea_size);
LPROCFS_MD_OP_INIT(num_private_stats, stats, get_lustre_md);
LPROCFS_MD_OP_INIT(num_private_stats, stats, free_lustre_md);
- LPROCFS_MD_OP_INIT(num_private_stats, stats, update_lsm_md);
LPROCFS_MD_OP_INIT(num_private_stats, stats, merge_attr);
LPROCFS_MD_OP_INIT(num_private_stats, stats, set_open_replay_data);
LPROCFS_MD_OP_INIT(num_private_stats, stats, clear_open_replay_data);
LPROCFS_MD_OP_INIT(num_private_stats, stats, set_lock_data);
LPROCFS_MD_OP_INIT(num_private_stats, stats, lock_match);
LPROCFS_MD_OP_INIT(num_private_stats, stats, cancel_unused);
- LPROCFS_MD_OP_INIT(num_private_stats, stats, renew_capa);
- LPROCFS_MD_OP_INIT(num_private_stats, stats, unpack_capa);
LPROCFS_MD_OP_INIT(num_private_stats, stats, get_remote_perm);
LPROCFS_MD_OP_INIT(num_private_stats, stats, intent_getattr_async);
LPROCFS_MD_OP_INIT(num_private_stats, stats, revalidate_lock);
}
-EXPORT_SYMBOL(lprocfs_init_mps_stats);
int lprocfs_alloc_md_stats(struct obd_device *obd,
unsigned int num_private_stats)
}
EXPORT_SYMBOL(lprocfs_init_ldlm_stats);
-#ifdef HAVE_SERVER_SUPPORT
-int lprocfs_exp_nid_seq_show(struct seq_file *m, void *data)
-{
- struct obd_export *exp = m->private;
- LASSERT(exp != NULL);
- return seq_printf(m, "%s\n", obd_export_nid2str(exp));
-}
-
-int lprocfs_exp_print_uuid_seq(cfs_hash_t *hs, cfs_hash_bd_t *bd,
- cfs_hlist_node_t *hnode, void *cb_data)
-
-{
- struct obd_export *exp = cfs_hash_object(hs, hnode);
- struct seq_file *m = cb_data;
-
- if (exp->exp_nid_stats)
- seq_printf(m, "%s\n", obd_uuid2str(&exp->exp_client_uuid));
- return 0;
-}
-
-int lprocfs_exp_uuid_seq_show(struct seq_file *m, void *data)
-{
- struct nid_stat *stats = m->private;
- struct obd_device *obd = stats->nid_obd;
-
- cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
- lprocfs_exp_print_uuid_seq, m);
- return 0;
-}
-LPROC_SEQ_FOPS_RO(lprocfs_exp_uuid);
-
-int lprocfs_exp_print_hash_seq(cfs_hash_t *hs, cfs_hash_bd_t *bd,
- cfs_hlist_node_t *hnode, void *cb_data)
-
-{
- struct seq_file *m = cb_data;
- struct obd_export *exp = cfs_hash_object(hs, hnode);
-
- if (exp->exp_lock_hash != NULL) {
- cfs_hash_debug_header_seq(m);
- cfs_hash_debug_str_seq(hs, m);
- }
- return 0;
-}
-
-int lprocfs_exp_hash_seq_show(struct seq_file *m, void *data)
-{
- struct nid_stat *stats = m->private;
- struct obd_device *obd = stats->nid_obd;
-
- cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
- lprocfs_exp_print_hash_seq, m);
- return 0;
-}
-LPROC_SEQ_FOPS_RO(lprocfs_exp_hash);
-
-int lprocfs_nid_stats_clear_seq_show(struct seq_file *m, void *data)
-{
- return seq_printf(m, "%s\n", "Write into this file to clear all nid "
- "stats and stale nid entries");
-}
-EXPORT_SYMBOL(lprocfs_nid_stats_clear_seq_show);
-
-static int lprocfs_nid_stats_clear_write_cb(void *obj, void *data)
-{
- struct nid_stat *stat = obj;
- ENTRY;
-
- CDEBUG(D_INFO,"refcnt %d\n", atomic_read(&stat->nid_exp_ref_count));
- if (atomic_read(&stat->nid_exp_ref_count) == 1) {
- /* object has only hash references. */
- spin_lock(&stat->nid_obd->obd_nid_lock);
- cfs_list_move(&stat->nid_list, data);
- spin_unlock(&stat->nid_obd->obd_nid_lock);
- RETURN(1);
- }
- /* we has reference to object - only clear data*/
- if (stat->nid_stats)
- lprocfs_clear_stats(stat->nid_stats);
-
- RETURN(0);
-}
-
-ssize_t
-lprocfs_nid_stats_clear_seq_write(struct file *file, const char *buffer,
- size_t count, loff_t *off)
-{
- struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
- struct nid_stat *client_stat;
- CFS_LIST_HEAD(free_list);
-
- cfs_hash_cond_del(obd->obd_nid_stats_hash,
- lprocfs_nid_stats_clear_write_cb, &free_list);
-
- while (!cfs_list_empty(&free_list)) {
- client_stat = cfs_list_entry(free_list.next, struct nid_stat,
- nid_list);
- cfs_list_del_init(&client_stat->nid_list);
- lprocfs_free_client_stats(client_stat);
- }
- return count;
-}
-EXPORT_SYMBOL(lprocfs_nid_stats_clear_seq_write);
-
-#ifndef HAVE_ONLY_PROCFS_SEQ
-int lprocfs_exp_rd_nid(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct obd_export *exp = data;
- LASSERT(exp != NULL);
- *eof = 1;
- return snprintf(page, count, "%s\n", obd_export_nid2str(exp));
-}
-
-struct exp_uuid_cb_data {
- char *page;
- int count;
- int *eof;
- int *len;
-};
-
-static void
-lprocfs_exp_rd_cb_data_init(struct exp_uuid_cb_data *cb_data, char *page,
- int count, int *eof, int *len)
-{
- cb_data->page = page;
- cb_data->count = count;
- cb_data->eof = eof;
- cb_data->len = len;
-}
-
-int lprocfs_exp_print_uuid(cfs_hash_t *hs, cfs_hash_bd_t *bd,
- cfs_hlist_node_t *hnode, void *cb_data)
-
-{
- struct obd_export *exp = cfs_hash_object(hs, hnode);
- struct exp_uuid_cb_data *data = (struct exp_uuid_cb_data *)cb_data;
-
- if (exp->exp_nid_stats)
- *data->len += snprintf((data->page + *data->len),
- data->count, "%s\n",
- obd_uuid2str(&exp->exp_client_uuid));
- return 0;
-}
-
-int lprocfs_exp_rd_uuid(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct nid_stat *stats = (struct nid_stat *)data;
- struct exp_uuid_cb_data cb_data;
- struct obd_device *obd = stats->nid_obd;
- int len = 0;
-
- *eof = 1;
- page[0] = '\0';
- lprocfs_exp_rd_cb_data_init(&cb_data, page, count, eof, &len);
- cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
- lprocfs_exp_print_uuid, &cb_data);
- return (*cb_data.len);
-}
-
-int lprocfs_exp_print_hash(cfs_hash_t *hs, cfs_hash_bd_t *bd,
- cfs_hlist_node_t *hnode, void *cb_data)
-
-{
- struct exp_uuid_cb_data *data = cb_data;
- struct obd_export *exp = cfs_hash_object(hs, hnode);
-
- if (exp->exp_lock_hash != NULL) {
- if (!*data->len) {
- *data->len += cfs_hash_debug_header(data->page,
- data->count);
- }
- *data->len += cfs_hash_debug_str(hs, data->page + *data->len,
- data->count);
- }
-
- return 0;
-}
-
-int lprocfs_exp_rd_hash(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- struct nid_stat *stats = (struct nid_stat *)data;
- struct exp_uuid_cb_data cb_data;
- struct obd_device *obd = stats->nid_obd;
- int len = 0;
-
- *eof = 1;
- page[0] = '\0';
- lprocfs_exp_rd_cb_data_init(&cb_data, page, count, eof, &len);
-
- cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
- lprocfs_exp_print_hash, &cb_data);
- return (*cb_data.len);
-}
-
-int lprocfs_nid_stats_clear_read(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- *eof = 1;
- return snprintf(page, count, "%s\n",
- "Write into this file to clear all nid stats and "
- "stale nid entries");
-}
-EXPORT_SYMBOL(lprocfs_nid_stats_clear_read);
-
-int lprocfs_nid_stats_clear_write(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = (struct obd_device *)data;
- struct nid_stat *client_stat;
- CFS_LIST_HEAD(free_list);
-
- cfs_hash_cond_del(obd->obd_nid_stats_hash,
- lprocfs_nid_stats_clear_write_cb, &free_list);
-
- while (!cfs_list_empty(&free_list)) {
- client_stat = cfs_list_entry(free_list.next, struct nid_stat,
- nid_list);
- cfs_list_del_init(&client_stat->nid_list);
- lprocfs_free_client_stats(client_stat);
- }
-
- return count;
-}
-EXPORT_SYMBOL(lprocfs_nid_stats_clear_write);
-#endif
-
-int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid, int *newnid)
-{
- struct nid_stat *new_stat, *old_stat;
- struct obd_device *obd = NULL;
- cfs_proc_dir_entry_t *entry;
- char *buffer = NULL;
- int rc = 0;
- ENTRY;
-
- *newnid = 0;
-
- if (!exp || !exp->exp_obd || !exp->exp_obd->obd_proc_exports_entry ||
- !exp->exp_obd->obd_nid_stats_hash)
- RETURN(-EINVAL);
-
- /* not test against zero because eric say:
- * You may only test nid against another nid, or LNET_NID_ANY.
- * Anything else is nonsense.*/
- if (!nid || *nid == LNET_NID_ANY)
- RETURN(0);
-
- 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);
-
- OBD_ALLOC_PTR(new_stat);
- if (new_stat == NULL)
- RETURN(-ENOMEM);
-
- new_stat->nid = *nid;
- new_stat->nid_obd = exp->exp_obd;
- /* we need set default refcount to 1 to balance obd_disconnect */
- atomic_set(&new_stat->nid_exp_ref_count, 1);
-
- old_stat = cfs_hash_findadd_unique(obd->obd_nid_stats_hash,
- nid, &new_stat->nid_hash);
- CDEBUG(D_INFO, "Found stats %p for nid %s - ref %d\n",
- old_stat, libcfs_nid2str(*nid),
- atomic_read(&new_stat->nid_exp_ref_count));
-
- /* Return -EALREADY here so that we know that the /proc
- * entry already has been created */
- if (old_stat != new_stat) {
- spin_lock(&exp->exp_lock);
- if (exp->exp_nid_stats) {
- LASSERT(exp->exp_nid_stats == old_stat);
- nidstat_putref(exp->exp_nid_stats);
- }
- exp->exp_nid_stats = old_stat;
- spin_unlock(&exp->exp_lock);
- GOTO(destroy_new, rc = -EALREADY);
- }
- /* not found - create */
- OBD_ALLOC(buffer, LNET_NIDSTR_SIZE);
- if (buffer == NULL)
- GOTO(destroy_new, rc = -ENOMEM);
-
- memcpy(buffer, libcfs_nid2str(*nid), LNET_NIDSTR_SIZE);
-#ifndef HAVE_ONLY_PROCFS_SEQ
- new_stat->nid_proc = lprocfs_register(buffer,
- obd->obd_proc_exports_entry,
- NULL, NULL);
-#else
- new_stat->nid_proc = lprocfs_seq_register(buffer,
- obd->obd_proc_exports_entry,
- NULL, NULL);
-#endif
- OBD_FREE(buffer, LNET_NIDSTR_SIZE);
-
- if (IS_ERR(new_stat->nid_proc)) {
- rc = PTR_ERR(new_stat->nid_proc);
- new_stat->nid_proc = NULL;
- CERROR("%s: cannot create proc entry for export %s: rc = %d\n",
- obd->obd_name, libcfs_nid2str(*nid), rc);
- GOTO(destroy_new_ns, rc);
- }
-
-#ifndef HAVE_ONLY_PROCFS_SEQ
- entry = lprocfs_add_simple(new_stat->nid_proc, "uuid",
- lprocfs_exp_rd_uuid, NULL, new_stat, NULL);
-#else
- entry = lprocfs_add_simple(new_stat->nid_proc, "uuid",
- new_stat, &lprocfs_exp_uuid_fops);
-#endif
- if (IS_ERR(entry)) {
- CWARN("Error adding the NID stats file\n");
- rc = PTR_ERR(entry);
- GOTO(destroy_new_ns, rc);
- }
-
-#ifndef HAVE_ONLY_PROCFS_SEQ
- entry = lprocfs_add_simple(new_stat->nid_proc, "hash",
- lprocfs_exp_rd_hash, NULL, new_stat, NULL);
-#else
- entry = lprocfs_add_simple(new_stat->nid_proc, "hash",
- new_stat, &lprocfs_exp_hash_fops);
-#endif
- if (IS_ERR(entry)) {
- CWARN("Error adding the hash file\n");
- rc = PTR_ERR(entry);
- GOTO(destroy_new_ns, rc);
- }
-
- spin_lock(&exp->exp_lock);
- exp->exp_nid_stats = new_stat;
- spin_unlock(&exp->exp_lock);
- *newnid = 1;
- /* protect competitive add to list, not need locking on destroy */
- spin_lock(&obd->obd_nid_lock);
- cfs_list_add(&new_stat->nid_list, &obd->obd_nid_stats);
- spin_unlock(&obd->obd_nid_lock);
-
- RETURN(rc);
-
-destroy_new_ns:
- if (new_stat->nid_proc != NULL)
- lprocfs_remove(&new_stat->nid_proc);
- cfs_hash_del(obd->obd_nid_stats_hash, nid, &new_stat->nid_hash);
-
-destroy_new:
- nidstat_putref(new_stat);
- OBD_FREE_PTR(new_stat);
- RETURN(rc);
-}
-EXPORT_SYMBOL(lprocfs_exp_setup);
-#endif
-
-int lprocfs_exp_cleanup(struct obd_export *exp)
-{
- struct nid_stat *stat = exp->exp_nid_stats;
-
- if(!stat || !exp->exp_obd)
- RETURN(0);
-
- nidstat_putref(exp->exp_nid_stats);
- exp->exp_nid_stats = NULL;
-
- return 0;
-}
-EXPORT_SYMBOL(lprocfs_exp_cleanup);
-
__s64 lprocfs_read_helper(struct lprocfs_counter *lc,
struct lprocfs_counter_header *header,
enum lprocfs_stats_flags flags,
}
EXPORT_SYMBOL(lprocfs_read_helper);
-int lprocfs_write_helper(const char *buffer, unsigned long count,
+int lprocfs_write_helper(const char __user *buffer, unsigned long count,
int *val)
{
return lprocfs_write_frac_helper(buffer, count, val, 1);
}
EXPORT_SYMBOL(lprocfs_write_helper);
-int lprocfs_write_frac_helper(const char *buffer, unsigned long count,
+int lprocfs_write_frac_helper(const char __user *buffer, unsigned long count,
int *val, int mult)
{
char kernbuf[20], *end, *pbuf;
buffer[prtn++] ='\n';
return prtn;
}
-EXPORT_SYMBOL(lprocfs_read_frac_helper);
int lprocfs_seq_read_frac_helper(struct seq_file *m, long val, int mult)
{
}
EXPORT_SYMBOL(lprocfs_seq_read_frac_helper);
-int lprocfs_write_u64_helper(const char *buffer, unsigned long count,__u64 *val)
+int lprocfs_write_u64_helper(const char __user *buffer, unsigned long count,
+ __u64 *val)
{
return lprocfs_write_frac_u64_helper(buffer, count, val, 1);
}
EXPORT_SYMBOL(lprocfs_write_u64_helper);
-int lprocfs_write_frac_u64_helper(const char *buffer, unsigned long count,
- __u64 *val, int mult)
+int lprocfs_write_frac_u64_helper(const char __user *buffer,
+ unsigned long count,
+ __u64 *val, int mult)
{
char kernbuf[22], *end, *pbuf;
__u64 whole, frac = 0, units;
}
}
/* Specified units override the multiplier */
- if (units)
+ if (units > 1)
mult = mult < 0 ? -units : units;
frac *= mult;
}
EXPORT_SYMBOL(lprocfs_find_named_value);
-int lprocfs_seq_create(cfs_proc_dir_entry_t *parent,
+int lprocfs_seq_create(struct proc_dir_entry *parent,
const char *name,
mode_t mode,
const struct file_operations *seq_fops,
unsigned int val = 0;
if (likely(value != 0))
- val = min_t(unsigned int, __fls(value - 1), OBD_HIST_MAX);
+ val = min(fls(value - 1), OBD_HIST_MAX);
lprocfs_oh_tally(oh, val);
}
}
EXPORT_SYMBOL(lprocfs_oh_clear);
-#ifdef HAVE_SERVER_SUPPORT
-int lprocfs_hash_seq_show(struct seq_file *m, void *data)
-{
- struct obd_device *obd = m->private;
- int c = 0;
-
- if (obd == NULL)
- return 0;
-
- c += cfs_hash_debug_header_seq(m);
- c += cfs_hash_debug_str_seq(obd->obd_uuid_hash, m);
- c += cfs_hash_debug_str_seq(obd->obd_nid_hash, m);
- c += cfs_hash_debug_str_seq(obd->obd_nid_stats_hash, m);
- return c;
-}
-EXPORT_SYMBOL(lprocfs_hash_seq_show);
-
-int lprocfs_recovery_status_seq_show(struct seq_file *m, void *data)
-{
- struct obd_device *obd = m->private;
-
- LASSERT(obd != NULL);
-
- seq_printf(m, "status: \n");
- if (obd->obd_max_recoverable_clients == 0) {
- seq_printf(m, "INACTIVE\n");
- goto out;
- }
-
- /* sampled unlocked, but really... */
- if (obd->obd_recovering == 0) {
- seq_printf(m, "COMPLETE\n");
- seq_printf(m, "recovery_start: %lu\n", obd->obd_recovery_start);
- seq_printf(m, "recovery_duration: %lu\n",
- obd->obd_recovery_end - obd->obd_recovery_start);
- /* Number of clients that have completed recovery */
- seq_printf(m, "completed_clients: %d/%d\n",
- obd->obd_max_recoverable_clients -
- obd->obd_stale_clients,
- obd->obd_max_recoverable_clients);
- seq_printf(m, "replayed_requests: %d\n",
- obd->obd_replayed_requests);
- seq_printf(m, "last_transno: "LPD64"\n",
- obd->obd_next_recovery_transno - 1);
- seq_printf(m, "VBR: %s\n", obd->obd_version_recov ?
- "ENABLED" : "DISABLED");
- seq_printf(m, "IR: %s\n", obd->obd_no_ir ?
- "DISABLED" : "ENABLED");
- goto out;
- }
-
- seq_printf(m, "RECOVERING\n");
- seq_printf(m, "recovery_start: %lu\n", obd->obd_recovery_start);
- seq_printf(m, "time_remaining: %lu\n",
- cfs_time_current_sec() >=
- obd->obd_recovery_start +
- obd->obd_recovery_timeout ? 0 :
- obd->obd_recovery_start +
- obd->obd_recovery_timeout -
- cfs_time_current_sec());
- seq_printf(m, "connected_clients: %d/%d\n",
- atomic_read(&obd->obd_connected_clients),
- obd->obd_max_recoverable_clients);
- /* Number of clients that have completed recovery */
- seq_printf(m, "req_replay_clients: %d\n",
- atomic_read(&obd->obd_req_replay_clients));
- seq_printf(m, "lock_repay_clients: %d\n",
- atomic_read(&obd->obd_lock_replay_clients));
- seq_printf(m, "completed_clients: %d\n",
- atomic_read(&obd->obd_connected_clients) -
- atomic_read(&obd->obd_lock_replay_clients));
- seq_printf(m, "evicted_clients: %d\n", obd->obd_stale_clients);
- seq_printf(m, "replayed_requests: %d\n", obd->obd_replayed_requests);
- seq_printf(m, "queued_requests: %d\n",
- obd->obd_requests_queued_for_recovery);
- seq_printf(m, "next_transno: "LPD64"\n",
- obd->obd_next_recovery_transno);
-out:
- return 0;
-}
-EXPORT_SYMBOL(lprocfs_recovery_status_seq_show);
-
-int lprocfs_ir_factor_seq_show(struct seq_file *m, void *data)
-{
- struct obd_device *obd = m->private;
-
- LASSERT(obd != NULL);
- return seq_printf(m, "%d\n", obd->obd_recovery_ir_factor);
-}
-EXPORT_SYMBOL(lprocfs_ir_factor_seq_show);
-
-ssize_t
-lprocfs_ir_factor_seq_write(struct file *file, const char *buffer,
- size_t count, loff_t *off)
-{
- struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
- int val, rc;
-
- LASSERT(obd != NULL);
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
-
- if (val < OBD_IR_FACTOR_MIN || val > OBD_IR_FACTOR_MAX)
- return -EINVAL;
-
- obd->obd_recovery_ir_factor = val;
- return count;
-}
-EXPORT_SYMBOL(lprocfs_ir_factor_seq_write);
-
-int lprocfs_recovery_time_soft_seq_show(struct seq_file *m, void *data)
-{
- struct obd_device *obd = m->private;
-
- LASSERT(obd != NULL);
- return seq_printf(m, "%d\n", obd->obd_recovery_timeout);
-}
-EXPORT_SYMBOL(lprocfs_recovery_time_soft_seq_show);
-
-ssize_t
-lprocfs_recovery_time_soft_seq_write(struct file *file, const char *buffer,
- size_t count, loff_t *off)
-{
- struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
- int val, rc;
-
- LASSERT(obd != NULL);
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
-
- obd->obd_recovery_timeout = val;
- return count;
-}
-EXPORT_SYMBOL(lprocfs_recovery_time_soft_seq_write);
-
-int lprocfs_recovery_time_hard_seq_show(struct seq_file *m, void *data)
-{
- struct obd_device *obd = m->private;
-
- LASSERT(obd != NULL);
- return seq_printf(m, "%u\n", obd->obd_recovery_time_hard);
-}
-EXPORT_SYMBOL(lprocfs_recovery_time_hard_seq_show);
-
-ssize_t
-lprocfs_recovery_time_hard_seq_write(struct file *file, const char *buffer,
- size_t count, loff_t *off)
-{
- struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
- int val, rc;
-
- LASSERT(obd != NULL);
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
-
- obd->obd_recovery_time_hard = val;
- return count;
-}
-EXPORT_SYMBOL(lprocfs_recovery_time_hard_seq_write);
-
-int lprocfs_target_instance_seq_show(struct seq_file *m, void *data)
-{
- struct obd_device *obd = m->private;
- struct obd_device_target *target = &obd->u.obt;
-
- LASSERT(obd != NULL);
- LASSERT(target->obt_magic == OBT_MAGIC);
- return seq_printf(m, "%u\n", obd->u.obt.obt_instance);
-}
-EXPORT_SYMBOL(lprocfs_target_instance_seq_show);
-
-#ifndef HAVE_ONLY_PROCFS_SEQ
-int lprocfs_obd_rd_hash(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *obd = data;
- int c = 0;
-
- if (obd == NULL)
- return 0;
-
- c += cfs_hash_debug_header(page, count);
- c += cfs_hash_debug_str(obd->obd_uuid_hash, page + c, count - c);
- c += cfs_hash_debug_str(obd->obd_nid_hash, page + c, count - c);
- c += cfs_hash_debug_str(obd->obd_nid_stats_hash, page+c, count-c);
-
- return c;
-}
-EXPORT_SYMBOL(lprocfs_obd_rd_hash);
-
-int lprocfs_obd_rd_recovery_status(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+int lprocfs_obd_rd_max_pages_per_rpc(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
{
- struct obd_device *obd = data;
- int len = 0, size;
-
- LASSERT(obd != NULL);
- LASSERT(count >= 0);
-
- /* Set start of user data returned to
- page + off since the user may have
- requested to read much smaller than
- what we need to read */
- *start = page + off;
-
- /*
- * We know we are allocated a page here.
- * Also we know that this function will
- * not need to write more than a page
- * so we can truncate at PAGE_CACHE_SIZE.
- */
- size = min(count + (int)off + 1, (int)PAGE_CACHE_SIZE);
-
- /* Initialize the page */
- memset(page, 0, size);
-
- if (lprocfs_obd_snprintf(&page, size, &len, "status: ") <= 0)
- goto out;
- if (obd->obd_max_recoverable_clients == 0) {
- if (lprocfs_obd_snprintf(&page, size, &len, "INACTIVE\n") <= 0)
- goto out;
-
- goto fclose;
- }
+ struct obd_device *dev = data;
+ struct client_obd *cli = &dev->u.cli;
+ int rc;
- /* sampled unlocked, but really... */
- if (obd->obd_recovering == 0) {
- if (lprocfs_obd_snprintf(&page, size, &len, "COMPLETE\n") <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len,
- "recovery_start: %lu\n",
- obd->obd_recovery_start) <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len,
- "recovery_duration: %lu\n",
- obd->obd_recovery_end -
- obd->obd_recovery_start) <= 0)
- goto out;
- /* Number of clients that have completed recovery */
- if (lprocfs_obd_snprintf(&page, size, &len,
- "completed_clients: %d/%d\n",
- obd->obd_max_recoverable_clients -
- obd->obd_stale_clients,
- obd->obd_max_recoverable_clients) <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len,
- "replayed_requests: %d\n",
- obd->obd_replayed_requests) <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len,
- "last_transno: "LPD64"\n",
- obd->obd_next_recovery_transno - 1)<=0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len, "VBR: %s\n",
- obd->obd_version_recov ?
- "ENABLED" : "DISABLED") <=0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len, "IR: %s\n",
- obd->obd_no_ir ?
- "DISABLED" : "ENABLED") <= 0)
- goto out;
- goto fclose;
- }
+ spin_lock(&cli->cl_loi_list_lock);
+ rc = snprintf(page, count, "%d\n", cli->cl_max_pages_per_rpc);
+ spin_unlock(&cli->cl_loi_list_lock);
- if (lprocfs_obd_snprintf(&page, size, &len, "RECOVERING\n") <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len, "recovery_start: %lu\n",
- obd->obd_recovery_start) <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len, "time_remaining: %lu\n",
- cfs_time_current_sec() >=
- obd->obd_recovery_start +
- obd->obd_recovery_timeout ? 0 :
- obd->obd_recovery_start +
- obd->obd_recovery_timeout -
- cfs_time_current_sec()) <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len,"connected_clients: %d/%d\n",
- atomic_read(&obd->obd_connected_clients),
- obd->obd_max_recoverable_clients) <= 0)
- goto out;
- /* Number of clients that have completed recovery */
- if (lprocfs_obd_snprintf(&page, size, &len,"req_replay_clients: %d\n",
- atomic_read(&obd->obd_req_replay_clients))
- <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len,"lock_repay_clients: %d\n",
- atomic_read(&obd->obd_lock_replay_clients))
- <=0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len,"completed_clients: %d\n",
- atomic_read(&obd->obd_connected_clients) -
- atomic_read(&obd->obd_lock_replay_clients))
- <=0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len,"evicted_clients: %d\n",
- obd->obd_stale_clients) <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len,"replayed_requests: %d\n",
- obd->obd_replayed_requests) <= 0)
- goto out;
- if (lprocfs_obd_snprintf(&page, size, &len, "queued_requests: %d\n",
- obd->obd_requests_queued_for_recovery) <= 0)
- goto out;
-
- if (lprocfs_obd_snprintf(&page, size, &len, "next_transno: "LPD64"\n",
- obd->obd_next_recovery_transno) <= 0)
- goto out;
-
-fclose:
- *eof = 1;
-out:
- return min(count, len - (int)off);
+ return rc;
}
-EXPORT_SYMBOL(lprocfs_obd_rd_recovery_status);
-int lprocfs_obd_rd_ir_factor(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+int lprocfs_obd_max_pages_per_rpc_seq_show(struct seq_file *m, void *data)
{
- struct obd_device *obd = (struct obd_device *)data;
- LASSERT(obd != NULL);
+ struct obd_device *dev = data;
+ struct client_obd *cli = &dev->u.cli;
+ int rc;
- return snprintf(page, count, "%d\n",
- obd->obd_recovery_ir_factor);
+ spin_lock(&cli->cl_loi_list_lock);
+ rc = seq_printf(m, "%d\n", cli->cl_max_pages_per_rpc);
+ spin_unlock(&cli->cl_loi_list_lock);
+ return rc;
}
-EXPORT_SYMBOL(lprocfs_obd_rd_ir_factor);
+EXPORT_SYMBOL(lprocfs_obd_max_pages_per_rpc_seq_show);
-int lprocfs_obd_wr_ir_factor(struct file *file, const char *buffer,
- unsigned long count, void *data)
+int lprocfs_wr_root_squash(const char __user *buffer, unsigned long count,
+ struct root_squash_info *squash, char *name)
{
- struct obd_device *obd = (struct obd_device *)data;
- int val, rc;
- LASSERT(obd != NULL);
-
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
-
- if (val < OBD_IR_FACTOR_MIN || val > OBD_IR_FACTOR_MAX)
- return -EINVAL;
-
- obd->obd_recovery_ir_factor = val;
- return count;
-}
-EXPORT_SYMBOL(lprocfs_obd_wr_ir_factor);
+ int rc;
+ char kernbuf[64], *tmp, *errmsg;
+ unsigned long uid, gid;
+ ENTRY;
-int lprocfs_obd_rd_recovery_time_soft(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *obd = (struct obd_device *)data;
- LASSERT(obd != NULL);
+ if (count >= sizeof(kernbuf)) {
+ errmsg = "string too long";
+ GOTO(failed_noprint, rc = -EINVAL);
+ }
+ if (copy_from_user(kernbuf, buffer, count)) {
+ errmsg = "bad address";
+ GOTO(failed_noprint, rc = -EFAULT);
+ }
+ kernbuf[count] = '\0';
- return snprintf(page, count, "%d\n",
- obd->obd_recovery_timeout);
-}
-EXPORT_SYMBOL(lprocfs_obd_rd_recovery_time_soft);
+ /* look for uid gid separator */
+ tmp = strchr(kernbuf, ':');
+ if (tmp == NULL) {
+ errmsg = "needs uid:gid format";
+ GOTO(failed, rc = -EINVAL);
+ }
+ *tmp = '\0';
+ tmp++;
-int lprocfs_obd_wr_recovery_time_soft(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = (struct obd_device *)data;
- int val, rc;
- LASSERT(obd != NULL);
+ /* parse uid */
+ if (kstrtoul(kernbuf, 0, &uid) != 0) {
+ errmsg = "bad uid";
+ GOTO(failed, rc = -EINVAL);
+ }
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
+ /* parse gid */
+ if (kstrtoul(tmp, 0, &gid) != 0) {
+ errmsg = "bad gid";
+ GOTO(failed, rc = -EINVAL);
+ }
- obd->obd_recovery_timeout = val;
- return count;
-}
-EXPORT_SYMBOL(lprocfs_obd_wr_recovery_time_soft);
+ squash->rsi_uid = uid;
+ squash->rsi_gid = gid;
-int lprocfs_obd_rd_recovery_time_hard(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *obd = data;
- LASSERT(obd != NULL);
+ LCONSOLE_INFO("%s: root_squash is set to %u:%u\n",
+ name, squash->rsi_uid, squash->rsi_gid);
+ RETURN(count);
- return snprintf(page, count, "%u\n", obd->obd_recovery_time_hard);
+failed:
+ if (tmp != NULL) {
+ tmp--;
+ *tmp = ':';
+ }
+ CWARN("%s: failed to set root_squash to \"%s\", %s, rc = %d\n",
+ name, kernbuf, errmsg, rc);
+ RETURN(rc);
+failed_noprint:
+ CWARN("%s: failed to set root_squash due to %s, rc = %d\n",
+ name, errmsg, rc);
+ RETURN(rc);
}
-EXPORT_SYMBOL(lprocfs_obd_rd_recovery_time_hard);
-
-int lprocfs_obd_wr_recovery_time_hard(struct file *file, const char *buffer,
- unsigned long count, void *data)
-{
- struct obd_device *obd = data;
- int val, rc;
- LASSERT(obd != NULL);
-
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
+EXPORT_SYMBOL(lprocfs_wr_root_squash);
- obd->obd_recovery_time_hard = val;
- return count;
-}
-EXPORT_SYMBOL(lprocfs_obd_wr_recovery_time_hard);
-int lprocfs_target_rd_instance(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+int lprocfs_wr_nosquash_nids(const char __user *buffer, unsigned long count,
+ struct root_squash_info *squash, char *name)
{
- struct obd_device *obd = (struct obd_device *)data;
- struct obd_device_target *target = &obd->u.obt;
+ int rc;
+ char *kernbuf = NULL;
+ char *errmsg;
+ struct list_head tmp;
+ int len = count;
+ ENTRY;
- LASSERT(obd != NULL);
- LASSERT(target->obt_magic == OBT_MAGIC);
- *eof = 1;
- return snprintf(page, count, "%u\n", obd->u.obt.obt_instance);
-}
-EXPORT_SYMBOL(lprocfs_target_rd_instance);
-#endif /* HAVE_ONLY_PROCFS_SEQ */
-#endif /* HAVE_SERVER_SUPPORT */
+ if (count > 4096) {
+ errmsg = "string too long";
+ GOTO(failed, rc = -EINVAL);
+ }
-int lprocfs_obd_rd_max_pages_per_rpc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device *dev = data;
- struct client_obd *cli = &dev->u.cli;
- int rc;
+ OBD_ALLOC(kernbuf, count + 1);
+ if (kernbuf == NULL) {
+ errmsg = "no memory";
+ GOTO(failed, rc = -ENOMEM);
+ }
+ if (copy_from_user(kernbuf, buffer, count)) {
+ errmsg = "bad address";
+ GOTO(failed, rc = -EFAULT);
+ }
+ kernbuf[count] = '\0';
+
+ if (count > 0 && kernbuf[count - 1] == '\n')
+ len = count - 1;
+
+ if ((len == 4 && strncmp(kernbuf, "NONE", len) == 0) ||
+ (len == 5 && strncmp(kernbuf, "clear", len) == 0)) {
+ /* empty string is special case */
+ down_write(&squash->rsi_sem);
+ if (!list_empty(&squash->rsi_nosquash_nids))
+ cfs_free_nidlist(&squash->rsi_nosquash_nids);
+ up_write(&squash->rsi_sem);
+ LCONSOLE_INFO("%s: nosquash_nids is cleared\n", name);
+ OBD_FREE(kernbuf, count + 1);
+ RETURN(count);
+ }
- client_obd_list_lock(&cli->cl_loi_list_lock);
- rc = snprintf(page, count, "%d\n", cli->cl_max_pages_per_rpc);
- client_obd_list_unlock(&cli->cl_loi_list_lock);
- return rc;
+ INIT_LIST_HEAD(&tmp);
+ if (cfs_parse_nidlist(kernbuf, count, &tmp) <= 0) {
+ errmsg = "can't parse";
+ GOTO(failed, rc = -EINVAL);
+ }
+ LCONSOLE_INFO("%s: nosquash_nids set to %s\n",
+ name, kernbuf);
+ OBD_FREE(kernbuf, count + 1);
+ kernbuf = NULL;
+
+ down_write(&squash->rsi_sem);
+ if (!list_empty(&squash->rsi_nosquash_nids))
+ cfs_free_nidlist(&squash->rsi_nosquash_nids);
+ list_splice(&tmp, &squash->rsi_nosquash_nids);
+ up_write(&squash->rsi_sem);
+
+ RETURN(count);
+
+failed:
+ if (kernbuf) {
+ CWARN("%s: failed to set nosquash_nids to \"%s\", %s rc = %d\n",
+ name, kernbuf, errmsg, rc);
+ OBD_FREE(kernbuf, count + 1);
+ } else {
+ CWARN("%s: failed to set nosquash_nids due to %s rc = %d\n",
+ name, errmsg, rc);
+ }
+ RETURN(rc);
}
-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;
+EXPORT_SYMBOL(lprocfs_wr_nosquash_nids);
- 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);
-#endif /* LPROCFS*/
+#endif /* CONFIG_PROC_FS*/
git://git.whamcloud.com / fs / lustre-release.git / blobdiff