* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2016, Intel Corporation.
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <linux/seq_file.h>
#include <libcfs/libcfs.h>
-#include <lustre/lustre_idl.h>
+#include <uapi/linux/lustre/lustre_idl.h>
struct lprocfs_vars {
const char *name;
mode_t proc_mode;
};
+static inline unsigned int pct(unsigned long a, unsigned long b)
+{
+ return b ? a * 100 / b : 0;
+}
+
+#define PAGES_TO_MiB(pages) ((pages) >> (20 - PAGE_SHIFT))
+#define MiB_TO_PAGES(mb) ((mb) << (20 - PAGE_SHIFT))
+
+/**
+ * Append a space separated list of current set flags to str.
+ */
+#define flag2str(port, flag) \
+ do { \
+ if ((port)->port##_##flag) { \
+ seq_printf(m, "%s" #flag, first ? "" : ", "); \
+ first = false; \
+ } \
+ } while (0)
+
+void obd_connect_seq_flags2str(struct seq_file *m, __u64 flags, __u64 flags2,
+ const char *sep);
+void obd_connect_data_seqprint(struct seq_file *m,
+ struct obd_connect_data *ocd);
+
/* if we find more consumers this could be generalized */
#define OBD_HIST_MAX 32
struct obd_histogram {
#define PTLRPC_FIRST_CNTR PTLRPC_REQWAIT_CNTR
enum lprocfs_extra_opc {
- LDLM_GLIMPSE_ENQUEUE = 0,
- LDLM_PLAIN_ENQUEUE,
- LDLM_EXTENT_ENQUEUE,
- LDLM_FLOCK_ENQUEUE,
- LDLM_IBITS_ENQUEUE,
- MDS_REINT_SETATTR,
- MDS_REINT_CREATE,
- MDS_REINT_LINK,
- MDS_REINT_UNLINK,
- MDS_REINT_RENAME,
- MDS_REINT_OPEN,
- MDS_REINT_SETXATTR,
- BRW_READ_BYTES,
- BRW_WRITE_BYTES,
- EXTRA_LAST_OPC
+ LDLM_GLIMPSE_ENQUEUE = 0,
+ LDLM_PLAIN_ENQUEUE,
+ LDLM_EXTENT_ENQUEUE,
+ LDLM_FLOCK_ENQUEUE,
+ LDLM_IBITS_ENQUEUE,
+ MDS_REINT_SETATTR,
+ MDS_REINT_CREATE,
+ MDS_REINT_LINK,
+ MDS_REINT_UNLINK,
+ MDS_REINT_RENAME,
+ MDS_REINT_OPEN,
+ MDS_REINT_SETXATTR,
+ MDS_REINT_RESYNC,
+ BRW_READ_BYTES,
+ BRW_WRITE_BYTES,
+ EXTRA_LAST_OPC
};
#define EXTRA_FIRST_OPC LDLM_GLIMPSE_ENQUEUE
/* class_obd.c */
extern struct proc_dir_entry *proc_lustre_root;
extern struct dentry *debugfs_lustre_root;
-extern struct kobject *lustre_kobj;
+extern struct kset *lustre_kset;
struct obd_device;
struct obd_histogram;
#define JOBSTATS_DISABLE "disable"
#define JOBSTATS_PROCNAME_UID "procname_uid"
#define JOBSTATS_NODELOCAL "nodelocal"
+#define JOBSTATS_SESSION "session"
typedef void (*cntr_init_callback)(struct lprocfs_stats *stats);
struct list_head ojs_list; /* list of job_stat structs */
rwlock_t ojs_lock; /* protect ojs_list/js_list */
unsigned int ojs_cleanup_interval;/* seconds before expiry */
- time_t ojs_last_cleanup; /* previous cleanup time */
+ time64_t ojs_last_cleanup; /* previous cleanup time */
cntr_init_callback ojs_cntr_init_fn;/* lprocfs_stats initializer */
unsigned short ojs_cntr_num; /* number of stats in struct */
bool ojs_cleaning; /* currently expiring stats */
lprocfs_alloc_stats(unsigned int num, enum lprocfs_stats_flags flags);
extern void lprocfs_clear_stats(struct lprocfs_stats *stats);
extern void lprocfs_free_stats(struct lprocfs_stats **stats);
-extern void lprocfs_init_ops_stats(int num_private_stats,
- struct lprocfs_stats *stats);
-extern void lprocfs_init_mps_stats(int num_private_stats,
- struct lprocfs_stats *stats);
extern void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats);
extern int lprocfs_alloc_obd_stats(struct obd_device *obddev,
- unsigned int num_private_stats);
+ unsigned int num_stats);
extern int lprocfs_alloc_md_stats(struct obd_device *obddev,
unsigned int num_private_stats);
extern void lprocfs_counter_init(struct lprocfs_stats *stats, int index,
#ifdef HAVE_SERVER_SUPPORT
extern int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *peer_nid);
extern int lprocfs_exp_cleanup(struct obd_export *exp);
+struct dentry *ldebugfs_add_symlink(const char *name, const char *target,
+ const char *format, ...);
#else
static inline int lprocfs_exp_cleanup(struct obd_export *exp)
{ return 0; }
#endif
+struct dentry *ldebugfs_add_simple(struct dentry *root, char *name, void *data,
+ const struct file_operations *fops);
extern struct proc_dir_entry *
lprocfs_add_simple(struct proc_dir_entry *root, char *name,
void *data, const struct file_operations *fops);
static inline int LPROCFS_ENTRY_CHECK(struct inode *inode)
{ return 0; }
#endif
-extern int lprocfs_obd_setup(struct obd_device *dev);
+
+extern int lprocfs_obd_setup(struct obd_device *obd, bool uuid_only);
extern int lprocfs_obd_cleanup(struct obd_device *obd);
#ifdef HAVE_SERVER_SUPPORT
extern const struct file_operations lprocfs_evict_client_fops;
#endif
-extern int ldebugfs_seq_create(struct dentry *parent, const char *name,
- umode_t mode,
- const struct file_operations *seq_fops,
- void *data);
+int ldebugfs_seq_create(struct dentry *parent, const char *name, umode_t mode,
+ const struct file_operations *seq_fops, void *data);
extern int lprocfs_seq_create(struct proc_dir_entry *parent, const char *name,
mode_t mode,
const struct file_operations *seq_fops,
void *data);
/* Generic callbacks */
-extern int lprocfs_u64_seq_show(struct seq_file *m, void *data);
-extern int lprocfs_atomic_seq_show(struct seq_file *m, void *data);
-extern ssize_t lprocfs_atomic_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off);
-extern int lprocfs_uint_seq_show(struct seq_file *m, void *data);
-extern ssize_t lprocfs_uint_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off);
-extern int lprocfs_wr_uint(struct file *file, const char __user *buffer,
- unsigned long count, void *data);
extern int lprocfs_uuid_seq_show(struct seq_file *m, void *data);
-extern int lprocfs_name_seq_show(struct seq_file *m, void *data);
extern int lprocfs_server_uuid_seq_show(struct seq_file *m, void *data);
-extern int lprocfs_conn_uuid_seq_show(struct seq_file *m, void *data);
+ssize_t conn_uuid_show(struct kobject *kobj, struct attribute *attr, char *buf);
extern int lprocfs_import_seq_show(struct seq_file *m, void *data);
extern int lprocfs_state_seq_show(struct seq_file *m, void *data);
extern int lprocfs_connect_flags_seq_show(struct seq_file *m, void *data);
#ifdef HAVE_SERVER_SUPPORT
-extern int lprocfs_num_exports_seq_show(struct seq_file *m, void *data);
+ssize_t num_exports_show(struct kobject *kobj, struct attribute *attr,
+ char *buf);
#endif
struct adaptive_timeout;
extern int lprocfs_at_hist_helper(struct seq_file *m,
lprocfs_evict_client_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off);
#endif
-extern ssize_t
-lprocfs_ping_seq_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *off);
+ssize_t ping_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count);
+ssize_t ping_show(struct kobject *kobj, struct attribute *attr,
+ char *buffer);
+
extern ssize_t
lprocfs_import_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off);
lprocfs_pinger_recov_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off);
-/* Statfs helpers */
-extern int lprocfs_blksize_seq_show(struct seq_file *m, void *data);
-extern int lprocfs_kbytestotal_seq_show(struct seq_file *m, void *data);
-extern int lprocfs_kbytesfree_seq_show(struct seq_file *m, void *data);
-extern int lprocfs_kbytesavail_seq_show(struct seq_file *m, void *data);
-extern int lprocfs_filestotal_seq_show(struct seq_file *m, void *data);
-extern int lprocfs_filesfree_seq_show(struct seq_file *m, void *data);
-
-extern int lprocfs_seq_read_frac_helper(struct seq_file *m, long val, int mult);
-extern int lprocfs_read_frac_helper(char *buffer, unsigned long count,
- long val, int mult);
-extern int lprocfs_str_to_s64(const char __user *buffer, unsigned long count,
- __s64 *val);
+int lu_str_to_s64(char *buffer, unsigned long count, __s64 *val, char defunit);
extern int lprocfs_str_with_units_to_s64(const char __user *buffer,
unsigned long count, __s64 *val,
char defunit);
+
+extern int lprocfs_str_with_units_to_u64(const char __user *buffer,
+ unsigned long count, __u64 *val,
+ char defunit);
+
+char *lprocfs_strnstr(const char *s1, const char *s2, size_t len);
char *lprocfs_find_named_value(const char *buffer, const char *name,
size_t *count);
void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value);
int lprocfs_hash_seq_show(struct seq_file *m, void *data);
/* lprocfs_status.c: IR factor */
-int lprocfs_ir_factor_seq_show(struct seq_file *m, void *data);
-ssize_t
-lprocfs_ir_factor_seq_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *off);
+ssize_t ir_factor_show(struct kobject *kobj, struct attribute *attr,
+ char *buf);
+ssize_t ir_factor_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count);
#endif
/* lprocfs_status.c: dump pages on cksum error */
#define LPROCFS_CLIMP_EXIT(obd) \
up_read(&(obd)->u.cli.cl_sem);
+/* write the name##_seq_show function, call LDEBUGFS_SEQ_FOPS_RO for read-only
+ * debugfs entries; otherwise, you will define name##_seq_write function also
+ * for a read-write debugfs entry, and then call LDEBUGFS_SEQ_FOPS instead.
+ * Finally, call ldebugfs_seq_create(obd, filename, 0444, &name#_fops, data);
+ */
+#define __LDEBUGFS_SEQ_FOPS(name, custom_seq_write) \
+static int name##_single_open(struct inode *inode, struct file *file) \
+{ \
+ return single_open(file, name##_seq_show, inode->i_private); \
+} \
+static const struct file_operations name##_fops = { \
+ .owner = THIS_MODULE, \
+ .open = name##_single_open, \
+ .read = seq_read, \
+ .write = custom_seq_write, \
+ .llseek = seq_lseek, \
+ .release = single_release, \
+}
+
+#define LDEBUGFS_SEQ_FOPS_RO(name) __LDEBUGFS_SEQ_FOPS(name, NULL)
+#define LDEBUGFS_SEQ_FOPS(name) __LDEBUGFS_SEQ_FOPS(name, \
+ name##_seq_write)
+
+#define LDEBUGFS_SEQ_FOPS_RO_TYPE(name, type) \
+ static int name##_##type##_seq_show(struct seq_file *m, void *v)\
+ { \
+ if (!m->private) \
+ return -ENODEV; \
+ return lprocfs_##type##_seq_show(m, m->private); \
+ } \
+ LDEBUGFS_SEQ_FOPS_RO(name##_##type)
+
+#define LDEBUGFS_SEQ_FOPS_RW_TYPE(name, type) \
+ static int name##_##type##_seq_show(struct seq_file *m, void *v)\
+ { \
+ if (!m->private) \
+ return -ENODEV; \
+ return lprocfs_##type##_seq_show(m, m->private); \
+ } \
+ static ssize_t name##_##type##_seq_write(struct file *file, \
+ const char __user *buffer, size_t count, \
+ loff_t *off) \
+ { \
+ struct seq_file *seq = file->private_data; \
+ \
+ if (!seq->private) \
+ return -ENODEV; \
+ return ldebugfs_##type##_seq_write(file, buffer, count, \
+ seq->private); \
+ } \
+ LDEBUGFS_SEQ_FOPS(name##_##type);
+
+#define LDEBUGFS_FOPS_WR_ONLY(name, type) \
+ static ssize_t name##_##type##_write(struct file *file, \
+ const char __user *buffer, size_t count, \
+ loff_t *off) \
+ { \
+ return ldebugfs_##type##_seq_write(file, buffer, count, \
+ off); \
+ } \
+ static int name##_##type##_open(struct inode *inode, \
+ struct file *file) \
+ { \
+ return single_open(file, NULL, inode->i_private); \
+ } \
+ static const struct file_operations name##_##type##_fops = { \
+ .open = name##_##type##_open, \
+ .write = name##_##type##_write, \
+ .release = single_release, \
+ };
+
/* write the name##_seq_show function, call LPROC_SEQ_FOPS_RO for read-only
- proc entries; otherwise, you will define name##_seq_write function also for
- a read-write proc entry, and then call LPROC_SEQ_SEQ instead. Finally,
- call lprocfs_obd_seq_create(obd, filename, 0444, &name#_fops, data); */
+ * proc entries; otherwise, you will define name##_seq_write function also for
+ * a read-write proc entry, and then call LPROC_SEQ_FOPS instead. Finally,
+ * call ldebugfs_obd_seq_create(obd, filename, 0444, &name#_fops, data);
+ */
#define __LPROC_SEQ_FOPS(name, custom_seq_write) \
static int name##_single_open(struct inode *inode, struct file *file) \
{ \
return rc; \
\
return single_open(file, name##_seq_show, \
- inode->i_private ? : PDE_DATA(inode)); \
+ inode->i_private ? inode->i_private : \
+ PDE_DATA(inode)); \
} \
static const struct file_operations name##_fops = { \
.owner = THIS_MODULE, \
{ \
struct seq_file *seq = file->private_data; \
return lprocfs_##type##_seq_write(file, buffer, \
- count, seq->private); \
+ count, seq->private); \
} \
LPROC_SEQ_FOPS(name##_##type);
-#define LPROC_SEQ_FOPS_WO_TYPE(name, type) \
+#define LPROC_SEQ_FOPS_WR_ONLY(name, type) \
static ssize_t name##_##type##_write(struct file *file, \
const char __user *buffer, size_t count, \
loff_t *off) \
static int name##_##type##_open(struct inode *inode, struct file *file)\
{ \
return single_open(file, NULL, \
- inode->i_private ? : PDE_DATA(inode));\
+ inode->i_private ? inode->i_private : \
+ PDE_DATA(inode)); \
} \
static const struct file_operations name##_##type##_fops = { \
.open = name##_##type##_open, \
#define LUSTRE_ATTR(name, mode, show, store) \
static struct lustre_attr lustre_attr_##name = __ATTR(name, mode, show, store)
+#define LUSTRE_WO_ATTR(name) LUSTRE_ATTR(name, 0200, NULL, name##_store)
#define LUSTRE_RO_ATTR(name) LUSTRE_ATTR(name, 0444, name##_show, NULL)
#define LUSTRE_RW_ATTR(name) LUSTRE_ATTR(name, 0644, name##_show, name##_store)
void lprocfs_job_stats_fini(struct obd_device *obd);
int lprocfs_job_stats_init(struct obd_device *obd, int cntr_num,
cntr_init_callback fn);
-int lprocfs_job_interval_seq_show(struct seq_file *m, void *data);
-ssize_t
-lprocfs_job_interval_seq_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *off);
-/* lproc_status.c */
-int lprocfs_recovery_time_soft_seq_show(struct seq_file *m, void *data);
-ssize_t lprocfs_recovery_time_soft_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off);
-int lprocfs_recovery_time_hard_seq_show(struct seq_file *m, void *data);
-ssize_t
-lprocfs_recovery_time_hard_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off);
-int lprocfs_target_instance_seq_show(struct seq_file *m, void *data);
+ssize_t job_cleanup_interval_show(struct kobject *kobj, struct attribute *attr,
+ char *buf);
+ssize_t job_cleanup_interval_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count);
+/* lproc_status_server.c */
+ssize_t recovery_time_soft_show(struct kobject *kobj, struct attribute *attr,
+ char *buf);
+ssize_t recovery_time_soft_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count);
+ssize_t recovery_time_hard_show(struct kobject *kobj, struct attribute *attr,
+ char *buf);
+ssize_t recovery_time_hard_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count);
+ssize_t instance_show(struct kobject *kobj, struct attribute *attr,
+ char *buf);
#endif
+/* lproc_status.c */
int lprocfs_obd_max_pages_per_rpc_seq_show(struct seq_file *m, void *data);
ssize_t lprocfs_obd_max_pages_per_rpc_seq_write(struct file *file,
const char __user *buffer,
size_t count, loff_t *off);
+int lprocfs_obd_short_io_bytes_seq_show(struct seq_file *m, void *data);
+ssize_t lprocfs_obd_short_io_bytes_seq_write(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *off);
+ssize_t short_io_bytes_show(struct kobject *kobj, struct attribute *attr,
+ char *buf);
+ssize_t short_io_bytes_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count);
struct root_squash_info;
int lprocfs_wr_root_squash(const char __user *buffer, unsigned long count,
const char *name,
struct lprocfs_stats *stats)
{ return 0; }
-static inline void lprocfs_init_ops_stats(int num_private_stats,
- struct lprocfs_stats *stats)
-{ return; }
-static inline void lprocfs_init_mps_stats(int num_private_stats,
- struct lprocfs_stats *stats)
-{ return; }
static inline void lprocfs_init_ldlm_stats(struct lprocfs_stats *ldlm_stats)
{ return; }
static inline int lprocfs_alloc_obd_stats(struct obd_device *obddev,
- unsigned int num_private_stats)
+ unsigned int num_stats)
{ return 0; }
static inline int lprocfs_alloc_md_stats(struct obd_device *obddev,
unsigned int num_private_stats)
static inline void lprocfs_remove_proc_entry(const char *name,
struct proc_dir_entry *parent)
{ return; }
-static inline int lprocfs_obd_setup(struct obd_device *dev)
+static inline int lprocfs_obd_setup(struct obd_device *dev, bool uuid_only)
{ return 0; }
static inline int lprocfs_obd_cleanup(struct obd_device *dev)
{ return 0; }
static inline int lprocfs_uuid_seq_show(struct seq_file *m, void *data)
{ return 0; }
-static inline int lprocfs_name_seq_show(struct seq_file *m, void *data)
-{ return 0; }
static inline int lprocfs_server_seq_show(struct seq_file *m, void *data)
{ return 0; }
-static inline int lprocfs_conn_uuid_seq_show(struct seq_file *m, void *data)
-{ return 0; }
static inline int lprocfs_import_seq_show(struct seq_file *m, void *data)
{ return 0; }
static inline int lprocfs_state_seq_show(struct seq_file *m, void *data)
#define LPROC_SEQ_FOPS(name)
#define LPROC_SEQ_FOPS_RO_TYPE(name, type)
#define LPROC_SEQ_FOPS_RW_TYPE(name, type)
-#define LPROC_SEQ_FOPS_WO_TYPE(name, type)
+#define LPROC_SEQ_FOPS_WR_ONLY(name, type)
/* lprocfs_jobstats.c */
static inline
git://git.whamcloud.com / fs / lustre-release.git / blobdiff