diff options
Diffstat (limited to 'fs/orangefs/orangefs-sysfs.c')
| -rw-r--r-- | fs/orangefs/orangefs-sysfs.c | 1326 |
1 files changed, 1326 insertions, 0 deletions
diff --git a/fs/orangefs/orangefs-sysfs.c b/fs/orangefs/orangefs-sysfs.c new file mode 100644 index 000000000..be4ba03a0 --- /dev/null +++ b/fs/orangefs/orangefs-sysfs.c @@ -0,0 +1,1326 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Documentation/ABI/stable/sysfs-fs-orangefs: + * + * What: /sys/fs/orangefs/perf_counter_reset + * Date: June 2015 + * Contact: Mike Marshall <hubcap@omnibond.com> + * Description: + * echo a 0 or a 1 into perf_counter_reset to + * reset all the counters in + * /sys/fs/orangefs/perf_counters + * except ones with PINT_PERF_PRESERVE set. + * + * + * What: /sys/fs/orangefs/perf_counters/... + * Date: Jun 2015 + * Contact: Mike Marshall <hubcap@omnibond.com> + * Description: + * Counters and settings for various caches. + * Read only. + * + * + * What: /sys/fs/orangefs/perf_time_interval_secs + * Date: Jun 2015 + * Contact: Mike Marshall <hubcap@omnibond.com> + * Description: + * Length of perf counter intervals in + * seconds. + * + * + * What: /sys/fs/orangefs/perf_history_size + * Date: Jun 2015 + * Contact: Mike Marshall <hubcap@omnibond.com> + * Description: + * The perf_counters cache statistics have N, or + * perf_history_size, samples. The default is + * one. + * + * Every perf_time_interval_secs the (first) + * samples are reset. + * + * If N is greater than one, the "current" set + * of samples is reset, and the samples from the + * other N-1 intervals remain available. + * + * + * What: /sys/fs/orangefs/op_timeout_secs + * Date: Jun 2015 + * Contact: Mike Marshall <hubcap@omnibond.com> + * Description: + * Service operation timeout in seconds. + * + * + * What: /sys/fs/orangefs/slot_timeout_secs + * Date: Jun 2015 + * Contact: Mike Marshall <hubcap@omnibond.com> + * Description: + * "Slot" timeout in seconds. A "slot" + * is an indexed buffer in the shared + * memory segment used for communication + * between the kernel module and userspace. + * Slots are requested and waited for, + * the wait times out after slot_timeout_secs. + * + * What: /sys/fs/orangefs/cache_timeout_msecs + * Date: Mar 2018 + * Contact: Martin Brandenburg <martin@omnibond.com> + * Description: + * Time in milliseconds between which + * orangefs_revalidate_mapping will invalidate the page + * cache. + * + * What: /sys/fs/orangefs/dcache_timeout_msecs + * Date: Jul 2016 + * Contact: Martin Brandenburg <martin@omnibond.com> + * Description: + * Time lookup is valid in milliseconds. + * + * What: /sys/fs/orangefs/getattr_timeout_msecs + * Date: Jul 2016 + * Contact: Martin Brandenburg <martin@omnibond.com> + * Description: + * Time getattr is valid in milliseconds. + * + * What: /sys/fs/orangefs/readahead_count + * Date: Aug 2016 + * Contact: Martin Brandenburg <martin@omnibond.com> + * Description: + * Readahead cache buffer count. + * + * What: /sys/fs/orangefs/readahead_size + * Date: Aug 2016 + * Contact: Martin Brandenburg <martin@omnibond.com> + * Description: + * Readahead cache buffer size. + * + * What: /sys/fs/orangefs/readahead_count_size + * Date: Aug 2016 + * Contact: Martin Brandenburg <martin@omnibond.com> + * Description: + * Readahead cache buffer count and size. + * + * What: /sys/fs/orangefs/readahead_readcnt + * Date: Jan 2017 + * Contact: Martin Brandenburg <martin@omnibond.com> + * Description: + * Number of buffers (in multiples of readahead_size) + * which can be read ahead for a single file at once. + * + * What: /sys/fs/orangefs/acache/... + * Date: Jun 2015 + * Contact: Martin Brandenburg <martin@omnibond.com> + * Description: + * Attribute cache configurable settings. + * + * + * What: /sys/fs/orangefs/ncache/... + * Date: Jun 2015 + * Contact: Mike Marshall <hubcap@omnibond.com> + * Description: + * Name cache configurable settings. + * + * + * What: /sys/fs/orangefs/capcache/... + * Date: Jun 2015 + * Contact: Mike Marshall <hubcap@omnibond.com> + * Description: + * Capability cache configurable settings. + * + * + * What: /sys/fs/orangefs/ccache/... + * Date: Jun 2015 + * Contact: Mike Marshall <hubcap@omnibond.com> + * Description: + * Credential cache configurable settings. + * + */ + +#include <linux/fs.h> +#include <linux/kobject.h> +#include <linux/string.h> +#include <linux/sysfs.h> +#include <linux/module.h> +#include <linux/init.h> + +#include "protocol.h" +#include "orangefs-kernel.h" +#include "orangefs-sysfs.h" + +#define ORANGEFS_KOBJ_ID "orangefs" +#define ACACHE_KOBJ_ID "acache" +#define CAPCACHE_KOBJ_ID "capcache" +#define CCACHE_KOBJ_ID "ccache" +#define NCACHE_KOBJ_ID "ncache" +#define PC_KOBJ_ID "pc" +#define STATS_KOBJ_ID "stats" + +/* + * Every item calls orangefs_attr_show and orangefs_attr_store through + * orangefs_sysfs_ops. They look at the orangefs_attributes further below to + * call one of sysfs_int_show, sysfs_int_store, sysfs_service_op_show, or + * sysfs_service_op_store. + */ + +struct orangefs_attribute { + struct attribute attr; + ssize_t (*show)(struct kobject *kobj, + struct orangefs_attribute *attr, + char *buf); + ssize_t (*store)(struct kobject *kobj, + struct orangefs_attribute *attr, + const char *buf, + size_t count); +}; + +static ssize_t orangefs_attr_show(struct kobject *kobj, + struct attribute *attr, + char *buf) +{ + struct orangefs_attribute *attribute; + + attribute = container_of(attr, struct orangefs_attribute, attr); + if (!attribute->show) + return -EIO; + return attribute->show(kobj, attribute, buf); +} + +static ssize_t orangefs_attr_store(struct kobject *kobj, + struct attribute *attr, + const char *buf, + size_t len) +{ + struct orangefs_attribute *attribute; + + if (!strcmp(kobj->name, PC_KOBJ_ID) || + !strcmp(kobj->name, STATS_KOBJ_ID)) + return -EPERM; + + attribute = container_of(attr, struct orangefs_attribute, attr); + if (!attribute->store) + return -EIO; + return attribute->store(kobj, attribute, buf, len); +} + +static const struct sysfs_ops orangefs_sysfs_ops = { + .show = orangefs_attr_show, + .store = orangefs_attr_store, +}; + +static ssize_t sysfs_int_show(struct kobject *kobj, + struct orangefs_attribute *attr, char *buf) +{ + int rc = -EIO; + + gossip_debug(GOSSIP_SYSFS_DEBUG, "sysfs_int_show: id:%s:\n", + kobj->name); + + if (!strcmp(kobj->name, ORANGEFS_KOBJ_ID)) { + if (!strcmp(attr->attr.name, "op_timeout_secs")) { + rc = scnprintf(buf, + PAGE_SIZE, + "%d\n", + op_timeout_secs); + goto out; + } else if (!strcmp(attr->attr.name, + "slot_timeout_secs")) { + rc = scnprintf(buf, + PAGE_SIZE, + "%d\n", + slot_timeout_secs); + goto out; + } else if (!strcmp(attr->attr.name, + "cache_timeout_msecs")) { + rc = scnprintf(buf, + PAGE_SIZE, + "%d\n", + orangefs_cache_timeout_msecs); + goto out; + } else if (!strcmp(attr->attr.name, + "dcache_timeout_msecs")) { + rc = scnprintf(buf, + PAGE_SIZE, + "%d\n", + orangefs_dcache_timeout_msecs); + goto out; + } else if (!strcmp(attr->attr.name, + "getattr_timeout_msecs")) { + rc = scnprintf(buf, + PAGE_SIZE, + "%d\n", + orangefs_getattr_timeout_msecs); + goto out; + } else { + goto out; + } + + } else if (!strcmp(kobj->name, STATS_KOBJ_ID)) { + if (!strcmp(attr->attr.name, "reads")) { + rc = scnprintf(buf, + PAGE_SIZE, + "%lu\n", + orangefs_stats.reads); + goto out; + } else if (!strcmp(attr->attr.name, "writes")) { + rc = scnprintf(buf, + PAGE_SIZE, + "%lu\n", + orangefs_stats.writes); + goto out; + } else { + goto out; + } + } + +out: + + return rc; +} + +static ssize_t sysfs_int_store(struct kobject *kobj, + struct orangefs_attribute *attr, const char *buf, size_t count) +{ + int rc = 0; + + gossip_debug(GOSSIP_SYSFS_DEBUG, + "sysfs_int_store: start attr->attr.name:%s: buf:%s:\n", + attr->attr.name, buf); + + if (!strcmp(attr->attr.name, "op_timeout_secs")) { + rc = kstrtoint(buf, 0, &op_timeout_secs); + goto out; + } else if (!strcmp(attr->attr.name, "slot_timeout_secs")) { + rc = kstrtoint(buf, 0, &slot_timeout_secs); + goto out; + } else if (!strcmp(attr->attr.name, "cache_timeout_msecs")) { + rc = kstrtoint(buf, 0, &orangefs_cache_timeout_msecs); + goto out; + } else if (!strcmp(attr->attr.name, "dcache_timeout_msecs")) { + rc = kstrtoint(buf, 0, &orangefs_dcache_timeout_msecs); + goto out; + } else if (!strcmp(attr->attr.name, "getattr_timeout_msecs")) { + rc = kstrtoint(buf, 0, &orangefs_getattr_timeout_msecs); + goto out; + } else { + goto out; + } + +out: + if (rc) + rc = -EINVAL; + else + rc = count; + + return rc; +} + +/* + * obtain attribute values from userspace with a service operation. + */ +static ssize_t sysfs_service_op_show(struct kobject *kobj, + struct orangefs_attribute *attr, char *buf) +{ + struct orangefs_kernel_op_s *new_op = NULL; + int rc = 0; + char *ser_op_type = NULL; + __u32 op_alloc_type; + + gossip_debug(GOSSIP_SYSFS_DEBUG, + "sysfs_service_op_show: id:%s:\n", + kobj->name); + + if (strcmp(kobj->name, PC_KOBJ_ID)) + op_alloc_type = ORANGEFS_VFS_OP_PARAM; + else + op_alloc_type = ORANGEFS_VFS_OP_PERF_COUNT; + + new_op = op_alloc(op_alloc_type); + if (!new_op) + return -ENOMEM; + + /* Can't do a service_operation if the client is not running... */ + rc = is_daemon_in_service(); + if (rc) { + pr_info_ratelimited("%s: Client not running :%d:\n", + __func__, + is_daemon_in_service()); + goto out; + } + + if (strcmp(kobj->name, PC_KOBJ_ID)) + new_op->upcall.req.param.type = ORANGEFS_PARAM_REQUEST_GET; + + if (!strcmp(kobj->name, ORANGEFS_KOBJ_ID)) { + /* Drop unsupported requests first. */ + if (!(orangefs_features & ORANGEFS_FEATURE_READAHEAD) && + (!strcmp(attr->attr.name, "readahead_count") || + !strcmp(attr->attr.name, "readahead_size") || + !strcmp(attr->attr.name, "readahead_count_size") || + !strcmp(attr->attr.name, "readahead_readcnt"))) { + rc = -EINVAL; + goto out; + } + + if (!strcmp(attr->attr.name, "perf_history_size")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_PERF_HISTORY_SIZE; + else if (!strcmp(attr->attr.name, + "perf_time_interval_secs")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_PERF_TIME_INTERVAL_SECS; + else if (!strcmp(attr->attr.name, + "perf_counter_reset")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_PERF_RESET; + + else if (!strcmp(attr->attr.name, + "readahead_count")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_READAHEAD_COUNT; + + else if (!strcmp(attr->attr.name, + "readahead_size")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_READAHEAD_SIZE; + + else if (!strcmp(attr->attr.name, + "readahead_count_size")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_READAHEAD_COUNT_SIZE; + + else if (!strcmp(attr->attr.name, + "readahead_readcnt")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_READAHEAD_READCNT; + } else if (!strcmp(kobj->name, ACACHE_KOBJ_ID)) { + if (!strcmp(attr->attr.name, "timeout_msecs")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_ACACHE_TIMEOUT_MSECS; + + if (!strcmp(attr->attr.name, "hard_limit")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_ACACHE_HARD_LIMIT; + + if (!strcmp(attr->attr.name, "soft_limit")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_ACACHE_SOFT_LIMIT; + + if (!strcmp(attr->attr.name, "reclaim_percentage")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_ACACHE_RECLAIM_PERCENTAGE; + + } else if (!strcmp(kobj->name, CAPCACHE_KOBJ_ID)) { + if (!strcmp(attr->attr.name, "timeout_secs")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_CAPCACHE_TIMEOUT_SECS; + + if (!strcmp(attr->attr.name, "hard_limit")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_CAPCACHE_HARD_LIMIT; + + if (!strcmp(attr->attr.name, "soft_limit")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_CAPCACHE_SOFT_LIMIT; + + if (!strcmp(attr->attr.name, "reclaim_percentage")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_CAPCACHE_RECLAIM_PERCENTAGE; + + } else if (!strcmp(kobj->name, CCACHE_KOBJ_ID)) { + if (!strcmp(attr->attr.name, "timeout_secs")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_CCACHE_TIMEOUT_SECS; + + if (!strcmp(attr->attr.name, "hard_limit")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_CCACHE_HARD_LIMIT; + + if (!strcmp(attr->attr.name, "soft_limit")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_CCACHE_SOFT_LIMIT; + + if (!strcmp(attr->attr.name, "reclaim_percentage")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_CCACHE_RECLAIM_PERCENTAGE; + + } else if (!strcmp(kobj->name, NCACHE_KOBJ_ID)) { + if (!strcmp(attr->attr.name, "timeout_msecs")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_NCACHE_TIMEOUT_MSECS; + + if (!strcmp(attr->attr.name, "hard_limit")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_NCACHE_HARD_LIMIT; + + if (!strcmp(attr->attr.name, "soft_limit")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_NCACHE_SOFT_LIMIT; + + if (!strcmp(attr->attr.name, "reclaim_percentage")) + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_NCACHE_RECLAIM_PERCENTAGE; + + } else if (!strcmp(kobj->name, PC_KOBJ_ID)) { + if (!strcmp(attr->attr.name, ACACHE_KOBJ_ID)) + new_op->upcall.req.perf_count.type = + ORANGEFS_PERF_COUNT_REQUEST_ACACHE; + + if (!strcmp(attr->attr.name, CAPCACHE_KOBJ_ID)) + new_op->upcall.req.perf_count.type = + ORANGEFS_PERF_COUNT_REQUEST_CAPCACHE; + + if (!strcmp(attr->attr.name, NCACHE_KOBJ_ID)) + new_op->upcall.req.perf_count.type = + ORANGEFS_PERF_COUNT_REQUEST_NCACHE; + + } else { + gossip_err("sysfs_service_op_show: unknown kobj_id:%s:\n", + kobj->name); + rc = -EINVAL; + goto out; + } + + + if (strcmp(kobj->name, PC_KOBJ_ID)) + ser_op_type = "orangefs_param"; + else + ser_op_type = "orangefs_perf_count"; + + /* + * The service_operation will return an errno return code on + * error, and zero on success. + */ + rc = service_operation(new_op, ser_op_type, ORANGEFS_OP_INTERRUPTIBLE); + +out: + if (!rc) { + if (strcmp(kobj->name, PC_KOBJ_ID)) { + if (new_op->upcall.req.param.op == + ORANGEFS_PARAM_REQUEST_OP_READAHEAD_COUNT_SIZE) { + rc = scnprintf(buf, PAGE_SIZE, "%d %d\n", + (int)new_op->downcall.resp.param.u. + value32[0], + (int)new_op->downcall.resp.param.u. + value32[1]); + } else { + rc = scnprintf(buf, PAGE_SIZE, "%d\n", + (int)new_op->downcall.resp.param.u.value64); + } + } else { + rc = scnprintf( + buf, + PAGE_SIZE, + "%s", + new_op->downcall.resp.perf_count.buffer); + } + } + + op_release(new_op); + + return rc; + +} + +/* + * pass attribute values back to userspace with a service operation. + * + * We have to do a memory allocation, an sscanf and a service operation. + * And we have to evaluate what the user entered, to make sure the + * value is within the range supported by the attribute. So, there's + * a lot of return code checking and mapping going on here. + * + * We want to return 1 if we think everything went OK, and + * EINVAL if not. + */ +static ssize_t sysfs_service_op_store(struct kobject *kobj, + struct orangefs_attribute *attr, const char *buf, size_t count) +{ + struct orangefs_kernel_op_s *new_op = NULL; + int val = 0; + int rc = 0; + + gossip_debug(GOSSIP_SYSFS_DEBUG, + "sysfs_service_op_store: id:%s:\n", + kobj->name); + + new_op = op_alloc(ORANGEFS_VFS_OP_PARAM); + if (!new_op) + return -EINVAL; /* sic */ + + /* Can't do a service_operation if the client is not running... */ + rc = is_daemon_in_service(); + if (rc) { + pr_info("%s: Client not running :%d:\n", + __func__, + is_daemon_in_service()); + goto out; + } + + /* + * The value we want to send back to userspace is in buf, unless this + * there are two parameters, which is specially handled below. + */ + if (strcmp(kobj->name, ORANGEFS_KOBJ_ID) || + strcmp(attr->attr.name, "readahead_count_size")) { + rc = kstrtoint(buf, 0, &val); + if (rc) + goto out; + } + + new_op->upcall.req.param.type = ORANGEFS_PARAM_REQUEST_SET; + + if (!strcmp(kobj->name, ORANGEFS_KOBJ_ID)) { + /* Drop unsupported requests first. */ + if (!(orangefs_features & ORANGEFS_FEATURE_READAHEAD) && + (!strcmp(attr->attr.name, "readahead_count") || + !strcmp(attr->attr.name, "readahead_size") || + !strcmp(attr->attr.name, "readahead_count_size") || + !strcmp(attr->attr.name, "readahead_readcnt"))) { + rc = -EINVAL; + goto out; + } + + if (!strcmp(attr->attr.name, "perf_history_size")) { + if (val > 0) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_PERF_HISTORY_SIZE; + } else { + rc = 0; + goto out; + } + } else if (!strcmp(attr->attr.name, + "perf_time_interval_secs")) { + if (val > 0) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_PERF_TIME_INTERVAL_SECS; + } else { + rc = 0; + goto out; + } + } else if (!strcmp(attr->attr.name, + "perf_counter_reset")) { + if ((val == 0) || (val == 1)) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_PERF_RESET; + } else { + rc = 0; + goto out; + } + } else if (!strcmp(attr->attr.name, + "readahead_count")) { + if ((val >= 0)) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_READAHEAD_COUNT; + } else { + rc = 0; + goto out; + } + } else if (!strcmp(attr->attr.name, + "readahead_size")) { + if ((val >= 0)) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_READAHEAD_SIZE; + } else { + rc = 0; + goto out; + } + } else if (!strcmp(attr->attr.name, + "readahead_count_size")) { + int val1, val2; + rc = sscanf(buf, "%d %d", &val1, &val2); + if (rc < 2) { + rc = 0; + goto out; + } + if ((val1 >= 0) && (val2 >= 0)) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_READAHEAD_COUNT_SIZE; + } else { + rc = 0; + goto out; + } + new_op->upcall.req.param.u.value32[0] = val1; + new_op->upcall.req.param.u.value32[1] = val2; + goto value_set; + } else if (!strcmp(attr->attr.name, + "readahead_readcnt")) { + if ((val >= 0)) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_READAHEAD_READCNT; + } else { + rc = 0; + goto out; + } + } + + } else if (!strcmp(kobj->name, ACACHE_KOBJ_ID)) { + if (!strcmp(attr->attr.name, "hard_limit")) { + if (val > -1) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_ACACHE_HARD_LIMIT; + } else { + rc = 0; + goto out; + } + } else if (!strcmp(attr->attr.name, "soft_limit")) { + if (val > -1) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_ACACHE_SOFT_LIMIT; + } else { + rc = 0; + goto out; + } + } else if (!strcmp(attr->attr.name, + "reclaim_percentage")) { + if ((val > -1) && (val < 101)) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_ACACHE_RECLAIM_PERCENTAGE; + } else { + rc = 0; + goto out; + } + } else if (!strcmp(attr->attr.name, "timeout_msecs")) { + if (val > -1) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_ACACHE_TIMEOUT_MSECS; + } else { + rc = 0; + goto out; + } + } + + } else if (!strcmp(kobj->name, CAPCACHE_KOBJ_ID)) { + if (!strcmp(attr->attr.name, "hard_limit")) { + if (val > -1) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_CAPCACHE_HARD_LIMIT; + } else { + rc = 0; + goto out; + } + } else if (!strcmp(attr->attr.name, "soft_limit")) { + if (val > -1) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_CAPCACHE_SOFT_LIMIT; + } else { + rc = 0; + goto out; + } + } else if (!strcmp(attr->attr.name, + "reclaim_percentage")) { + if ((val > -1) && (val < 101)) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_CAPCACHE_RECLAIM_PERCENTAGE; + } else { + rc = 0; + goto out; + } + } else if (!strcmp(attr->attr.name, "timeout_secs")) { + if (val > -1) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_CAPCACHE_TIMEOUT_SECS; + } else { + rc = 0; + goto out; + } + } + + } else if (!strcmp(kobj->name, CCACHE_KOBJ_ID)) { + if (!strcmp(attr->attr.name, "hard_limit")) { + if (val > -1) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_CCACHE_HARD_LIMIT; + } else { + rc = 0; + goto out; + } + } else if (!strcmp(attr->attr.name, "soft_limit")) { + if (val > -1) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_CCACHE_SOFT_LIMIT; + } else { + rc = 0; + goto out; + } + } else if (!strcmp(attr->attr.name, + "reclaim_percentage")) { + if ((val > -1) && (val < 101)) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_CCACHE_RECLAIM_PERCENTAGE; + } else { + rc = 0; + goto out; + } + } else if (!strcmp(attr->attr.name, "timeout_secs")) { + if (val > -1) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_CCACHE_TIMEOUT_SECS; + } else { + rc = 0; + goto out; + } + } + + } else if (!strcmp(kobj->name, NCACHE_KOBJ_ID)) { + if (!strcmp(attr->attr.name, "hard_limit")) { + if (val > -1) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_NCACHE_HARD_LIMIT; + } else { + rc = 0; + goto out; + } + } else if (!strcmp(attr->attr.name, "soft_limit")) { + if (val > -1) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_NCACHE_SOFT_LIMIT; + } else { + rc = 0; + goto out; + } + } else if (!strcmp(attr->attr.name, + "reclaim_percentage")) { + if ((val > -1) && (val < 101)) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_NCACHE_RECLAIM_PERCENTAGE; + } else { + rc = 0; + goto out; + } + } else if (!strcmp(attr->attr.name, "timeout_msecs")) { + if (val > -1) { + new_op->upcall.req.param.op = + ORANGEFS_PARAM_REQUEST_OP_NCACHE_TIMEOUT_MSECS; + } else { + rc = 0; + goto out; + } + } + + } else { + gossip_err("sysfs_service_op_store: unknown kobj_id:%s:\n", + kobj->name); + rc = -EINVAL; + goto out; + } + + new_op->upcall.req.param.u.value64 = val; +value_set: + + /* + * The service_operation will return a errno return code on + * error, and zero on success. + */ + rc = service_operation(new_op, "orangefs_param", ORANGEFS_OP_INTERRUPTIBLE); + + if (rc < 0) { + gossip_err("sysfs_service_op_store: service op returned:%d:\n", + rc); + rc = 0; + } else { + rc = count; + } + +out: + op_release(new_op); + + if (rc == -ENOMEM || rc == 0) + rc = -EINVAL; + + return rc; +} + +static struct orangefs_attribute op_timeout_secs_attribute = + __ATTR(op_timeout_secs, 0664, sysfs_int_show, sysfs_int_store); + +static struct orangefs_attribute slot_timeout_secs_attribute = + __ATTR(slot_timeout_secs, 0664, sysfs_int_show, sysfs_int_store); + +static struct orangefs_attribute cache_timeout_msecs_attribute = + __ATTR(cache_timeout_msecs, 0664, sysfs_int_show, sysfs_int_store); + +static struct orangefs_attribute dcache_timeout_msecs_attribute = + __ATTR(dcache_timeout_msecs, 0664, sysfs_int_show, sysfs_int_store); + +static struct orangefs_attribute getattr_timeout_msecs_attribute = + __ATTR(getattr_timeout_msecs, 0664, sysfs_int_show, sysfs_int_store); + +static struct orangefs_attribute readahead_count_attribute = + __ATTR(readahead_count, 0664, sysfs_service_op_show, + sysfs_service_op_store); + +static struct orangefs_attribute readahead_size_attribute = + __ATTR(readahead_size, 0664, sysfs_service_op_show, + sysfs_service_op_store); + +static struct orangefs_attribute readahead_count_size_attribute = + __ATTR(readahead_count_size, 0664, sysfs_service_op_show, + sysfs_service_op_store); + +static struct orangefs_attribute readahead_readcnt_attribute = + __ATTR(readahead_readcnt, 0664, sysfs_service_op_show, + sysfs_service_op_store); + +static struct orangefs_attribute perf_counter_reset_attribute = + __ATTR(perf_counter_reset, + 0664, + sysfs_service_op_show, + sysfs_service_op_store); + +static struct orangefs_attribute perf_history_size_attribute = + __ATTR(perf_history_size, + 0664, + sysfs_service_op_show, + sysfs_service_op_store); + +static struct orangefs_attribute perf_time_interval_secs_attribute = + __ATTR(perf_time_interval_secs, + 0664, + sysfs_service_op_show, + sysfs_service_op_store); + +static struct attribute *orangefs_default_attrs[] = { + &op_timeout_secs_attribute.attr, + &slot_timeout_secs_attribute.attr, + &cache_timeout_msecs_attribute.attr, + &dcache_timeout_msecs_attribute.attr, + &getattr_timeout_msecs_attribute.attr, + &readahead_count_attribute.attr, + &readahead_size_attribute.attr, + &readahead_count_size_attribute.attr, + &readahead_readcnt_attribute.attr, + &perf_counter_reset_attribute.attr, + &perf_history_size_attribute.attr, + &perf_time_interval_secs_attribute.attr, + NULL, +}; +ATTRIBUTE_GROUPS(orangefs_default); + +static struct kobject *orangefs_obj; + +static void orangefs_obj_release(struct kobject *kobj) +{ + kfree(orangefs_obj); + orangefs_obj = NULL; +} + +static struct kobj_type orangefs_ktype = { + .sysfs_ops = &orangefs_sysfs_ops, + .default_groups = orangefs_default_groups, + .release = orangefs_obj_release, +}; + +static struct orangefs_attribute acache_hard_limit_attribute = + __ATTR(hard_limit, + 0664, + sysfs_service_op_show, + sysfs_service_op_store); + +static struct orangefs_attribute acache_reclaim_percent_attribute = + __ATTR(reclaim_percentage, + 0664, + sysfs_service_op_show, + sysfs_service_op_store); + +static struct orangefs_attribute acache_soft_limit_attribute = + __ATTR(soft_limit, + 0664, + sysfs_service_op_show, + sysfs_service_op_store); + +static struct orangefs_attribute acache_timeout_msecs_attribute = + __ATTR(timeout_msecs, + 0664, + sysfs_service_op_show, + sysfs_service_op_store); + +static struct attribute *acache_orangefs_default_attrs[] = { + &acache_hard_limit_attribute.attr, + &acache_reclaim_percent_attribute.attr, + &acache_soft_limit_attribute.attr, + &acache_timeout_msecs_attribute.attr, + NULL, +}; +ATTRIBUTE_GROUPS(acache_orangefs_default); + +static struct kobject *acache_orangefs_obj; + +static void acache_orangefs_obj_release(struct kobject *kobj) +{ + kfree(acache_orangefs_obj); + acache_orangefs_obj = NULL; +} + +static struct kobj_type acache_orangefs_ktype = { + .sysfs_ops = &orangefs_sysfs_ops, + .default_groups = acache_orangefs_default_groups, + .release = acache_orangefs_obj_release, +}; + +static struct orangefs_attribute capcache_hard_limit_attribute = + __ATTR(hard_limit, + 0664, + sysfs_service_op_show, + sysfs_service_op_store); + +static struct orangefs_attribute capcache_reclaim_percent_attribute = + __ATTR(reclaim_percentage, + 0664, + sysfs_service_op_show, + sysfs_service_op_store); + +static struct orangefs_attribute capcache_soft_limit_attribute = + __ATTR(soft_limit, + 0664, + sysfs_service_op_show, + sysfs_service_op_store); + +static struct orangefs_attribute capcache_timeout_secs_attribute = + __ATTR(timeout_secs, + 0664, + sysfs_service_op_show, + sysfs_service_op_store); + +static struct attribute *capcache_orangefs_default_attrs[] = { + &capcache_hard_limit_attribute.attr, + &capcache_reclaim_percent_attribute.attr, + &capcache_soft_limit_attribute.attr, + &capcache_timeout_secs_attribute.attr, + NULL, +}; +ATTRIBUTE_GROUPS(capcache_orangefs_default); + +static struct kobject *capcache_orangefs_obj; + +static void capcache_orangefs_obj_release(struct kobject *kobj) +{ + kfree(capcache_orangefs_obj); + capcache_orangefs_obj = NULL; +} + +static struct kobj_type capcache_orangefs_ktype = { + .sysfs_ops = &orangefs_sysfs_ops, + .default_groups = capcache_orangefs_default_groups, + .release = capcache_orangefs_obj_release, +}; + +static struct orangefs_attribute ccache_hard_limit_attribute = + __ATTR(hard_limit, + 0664, + sysfs_service_op_show, + sysfs_service_op_store); + +static struct orangefs_attribute ccache_reclaim_percent_attribute = + __ATTR(reclaim_percentage, + 0664, + sysfs_service_op_show, + sysfs_service_op_store); + +static struct orangefs_attribute ccache_soft_limit_attribute = + __ATTR(soft_limit, + 0664, + sysfs_service_op_show, + sysfs_service_op_store); + +static struct orangefs_attribute ccache_timeout_secs_attribute = + __ATTR(timeout_secs, + 0664, + sysfs_service_op_show, + sysfs_service_op_store); + +static struct attribute *ccache_orangefs_default_attrs[] = { + &ccache_hard_limit_attribute.attr, + &ccache_reclaim_percent_attribute.attr, + &ccache_soft_limit_attribute.attr, + &ccache_timeout_secs_attribute.attr, + NULL, +}; +ATTRIBUTE_GROUPS(ccache_orangefs_default); + +static struct kobject *ccache_orangefs_obj; + +static void ccache_orangefs_obj_release(struct kobject *kobj) +{ + kfree(ccache_orangefs_obj); + ccache_orangefs_obj = NULL; +} + +static struct kobj_type ccache_orangefs_ktype = { + .sysfs_ops = &orangefs_sysfs_ops, + .default_groups = ccache_orangefs_default_groups, + .release = ccache_orangefs_obj_release, +}; + +static struct orangefs_attribute ncache_hard_limit_attribute = + __ATTR(hard_limit, + 0664, + sysfs_service_op_show, + sysfs_service_op_store); + +static struct orangefs_attribute ncache_reclaim_percent_attribute = + __ATTR(reclaim_percentage, + 0664, + sysfs_service_op_show, + sysfs_service_op_store); + +static struct orangefs_attribute ncache_soft_limit_attribute = + __ATTR(soft_limit, + 0664, + sysfs_service_op_show, + sysfs_service_op_store); + +static struct orangefs_attribute ncache_timeout_msecs_attribute = + __ATTR(timeout_msecs, + 0664, + sysfs_service_op_show, + sysfs_service_op_store); + +static struct attribute *ncache_orangefs_default_attrs[] = { + &ncache_hard_limit_attribute.attr, + &ncache_reclaim_percent_attribute.attr, + &ncache_soft_limit_attribute.attr, + &ncache_timeout_msecs_attribute.attr, + NULL, +}; +ATTRIBUTE_GROUPS(ncache_orangefs_default); + +static struct kobject *ncache_orangefs_obj; + +static void ncache_orangefs_obj_release(struct kobject *kobj) +{ + kfree(ncache_orangefs_obj); + ncache_orangefs_obj = NULL; +} + +static struct kobj_type ncache_orangefs_ktype = { + .sysfs_ops = &orangefs_sysfs_ops, + .default_groups = ncache_orangefs_default_groups, + .release = ncache_orangefs_obj_release, +}; + +static struct orangefs_attribute pc_acache_attribute = + __ATTR(acache, + 0664, + sysfs_service_op_show, + NULL); + +static struct orangefs_attribute pc_capcache_attribute = + __ATTR(capcache, + 0664, + sysfs_service_op_show, + NULL); + +static struct orangefs_attribute pc_ncache_attribute = + __ATTR(ncache, + 0664, + sysfs_service_op_show, + NULL); + +static struct attribute *pc_orangefs_default_attrs[] = { + &pc_acache_attribute.attr, + &pc_capcache_attribute.attr, + &pc_ncache_attribute.attr, + NULL, +}; +ATTRIBUTE_GROUPS(pc_orangefs_default); + +static struct kobject *pc_orangefs_obj; + +static void pc_orangefs_obj_release(struct kobject *kobj) +{ + kfree(pc_orangefs_obj); + pc_orangefs_obj = NULL; +} + +static struct kobj_type pc_orangefs_ktype = { + .sysfs_ops = &orangefs_sysfs_ops, + .default_groups = pc_orangefs_default_groups, + .release = pc_orangefs_obj_release, +}; + +static struct orangefs_attribute stats_reads_attribute = + __ATTR(reads, + 0664, + sysfs_int_show, + NULL); + +static struct orangefs_attribute stats_writes_attribute = + __ATTR(writes, + 0664, + sysfs_int_show, + NULL); + +static struct attribute *stats_orangefs_default_attrs[] = { + &stats_reads_attribute.attr, + &stats_writes_attribute.attr, + NULL, +}; +ATTRIBUTE_GROUPS(stats_orangefs_default); + +static struct kobject *stats_orangefs_obj; + +static void stats_orangefs_obj_release(struct kobject *kobj) +{ + kfree(stats_orangefs_obj); + stats_orangefs_obj = NULL; +} + +static struct kobj_type stats_orangefs_ktype = { + .sysfs_ops = &orangefs_sysfs_ops, + .default_groups = stats_orangefs_default_groups, + .release = stats_orangefs_obj_release, +}; + +int orangefs_sysfs_init(void) +{ + int rc = -EINVAL; + + gossip_debug(GOSSIP_SYSFS_DEBUG, "orangefs_sysfs_init: start\n"); + + /* create /sys/fs/orangefs. */ + orangefs_obj = kzalloc(sizeof(*orangefs_obj), GFP_KERNEL); + if (!orangefs_obj) + goto out; + + rc = kobject_init_and_add(orangefs_obj, + &orangefs_ktype, + fs_kobj, + ORANGEFS_KOBJ_ID); + + if (rc) + goto ofs_obj_bail; + + kobject_uevent(orangefs_obj, KOBJ_ADD); + + /* create /sys/fs/orangefs/acache. */ + acache_orangefs_obj = kzalloc(sizeof(*acache_orangefs_obj), GFP_KERNEL); + if (!acache_orangefs_obj) { + rc = -EINVAL; + goto ofs_obj_bail; + } + + rc = kobject_init_and_add(acache_orangefs_obj, + &acache_orangefs_ktype, + orangefs_obj, + ACACHE_KOBJ_ID); + + if (rc) + goto acache_obj_bail; + + kobject_uevent(acache_orangefs_obj, KOBJ_ADD); + + /* create /sys/fs/orangefs/capcache. */ + capcache_orangefs_obj = + kzalloc(sizeof(*capcache_orangefs_obj), GFP_KERNEL); + if (!capcache_orangefs_obj) { + rc = -EINVAL; + goto acache_obj_bail; + } + + rc = kobject_init_and_add(capcache_orangefs_obj, + &capcache_orangefs_ktype, + orangefs_obj, + CAPCACHE_KOBJ_ID); + if (rc) + goto capcache_obj_bail; + + kobject_uevent(capcache_orangefs_obj, KOBJ_ADD); + + /* create /sys/fs/orangefs/ccache. */ + ccache_orangefs_obj = + kzalloc(sizeof(*ccache_orangefs_obj), GFP_KERNEL); + if (!ccache_orangefs_obj) { + rc = -EINVAL; + goto capcache_obj_bail; + } + + rc = kobject_init_and_add(ccache_orangefs_obj, + &ccache_orangefs_ktype, + orangefs_obj, + CCACHE_KOBJ_ID); + if (rc) + goto ccache_obj_bail; + + kobject_uevent(ccache_orangefs_obj, KOBJ_ADD); + + /* create /sys/fs/orangefs/ncache. */ + ncache_orangefs_obj = kzalloc(sizeof(*ncache_orangefs_obj), GFP_KERNEL); + if (!ncache_orangefs_obj) { + rc = -EINVAL; + goto ccache_obj_bail; + } + + rc = kobject_init_and_add(ncache_orangefs_obj, + &ncache_orangefs_ktype, + orangefs_obj, + NCACHE_KOBJ_ID); + + if (rc) + goto ncache_obj_bail; + + kobject_uevent(ncache_orangefs_obj, KOBJ_ADD); + + /* create /sys/fs/orangefs/perf_counters. */ + pc_orangefs_obj = kzalloc(sizeof(*pc_orangefs_obj), GFP_KERNEL); + if (!pc_orangefs_obj) { + rc = -EINVAL; + goto ncache_obj_bail; + } + + rc = kobject_init_and_add(pc_orangefs_obj, + &pc_orangefs_ktype, + orangefs_obj, + "perf_counters"); + + if (rc) + goto pc_obj_bail; + + kobject_uevent(pc_orangefs_obj, KOBJ_ADD); + + /* create /sys/fs/orangefs/stats. */ + stats_orangefs_obj = kzalloc(sizeof(*stats_orangefs_obj), GFP_KERNEL); + if (!stats_orangefs_obj) { + rc = -EINVAL; + goto pc_obj_bail; + } + + rc = kobject_init_and_add(stats_orangefs_obj, + &stats_orangefs_ktype, + orangefs_obj, + STATS_KOBJ_ID); + + if (rc) + goto stats_obj_bail; + + kobject_uevent(stats_orangefs_obj, KOBJ_ADD); + goto out; + +stats_obj_bail: + kobject_put(stats_orangefs_obj); +pc_obj_bail: + kobject_put(pc_orangefs_obj); +ncache_obj_bail: + kobject_put(ncache_orangefs_obj); +ccache_obj_bail: + kobject_put(ccache_orangefs_obj); +capcache_obj_bail: + kobject_put(capcache_orangefs_obj); +acache_obj_bail: + kobject_put(acache_orangefs_obj); +ofs_obj_bail: + kobject_put(orangefs_obj); +out: + return rc; +} + +void orangefs_sysfs_exit(void) +{ + gossip_debug(GOSSIP_SYSFS_DEBUG, "orangefs_sysfs_exit: start\n"); + kobject_put(acache_orangefs_obj); + kobject_put(capcache_orangefs_obj); + kobject_put(ccache_orangefs_obj); + kobject_put(ncache_orangefs_obj); + kobject_put(pc_orangefs_obj); + kobject_put(stats_orangefs_obj); + kobject_put(orangefs_obj); +} |