From: Oleg Drokin <green@xxxxxxxxxxxxxx>
All single-value controls are moved from /proc/fs/lustre/osc/.../
to /sys/fs/lustre/osc/.../
Signed-off-by: Oleg Drokin <green@xxxxxxxxxxxxxx>
---
drivers/staging/lustre/lustre/osc/lproc_osc.c | 371 +++++++++++++++-----------
drivers/staging/lustre/sysfs-fs-lustre | 107 +++++++-
2 files changed, 314 insertions(+), 164 deletions(-)
diff --git a/drivers/staging/lustre/lustre/osc/lproc_osc.c b/drivers/staging/lustre/lustre/osc/lproc_osc.c
index 199913d..2f07ea5 100644
--- a/drivers/staging/lustre/lustre/osc/lproc_osc.c
+++ b/drivers/staging/lustre/lustre/osc/lproc_osc.c
@@ -42,25 +42,25 @@
#include <linux/seq_file.h>
#include "osc_internal.h"
-static int osc_active_seq_show(struct seq_file *m, void *v)
+static ssize_t active_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = m->private;
-
- LPROCFS_CLIMP_CHECK(dev);
- seq_printf(m, "%d\n", !dev->u.cli.cl_import->imp_deactive);
- LPROCFS_CLIMP_EXIT(dev);
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kobj);
- return 0;
+ return sprintf(buf, "%d\n", !dev->u.cli.cl_import->imp_deactive);
}
-static ssize_t osc_active_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t active_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
- int val, rc;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kobj);
+ int rc;
+ unsigned long val;
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = kstrtoul(buffer, 10, &val);
if (rc)
return rc;
if (val < 0 || val > 1)
@@ -70,41 +70,43 @@ static ssize_t osc_active_seq_write(struct file *file,
if (dev->u.cli.cl_import->imp_deactive == val)
rc = ptlrpc_set_import_active(dev->u.cli.cl_import, val);
else
- CDEBUG(D_CONFIG, "activate %d: ignoring repeat request\n", val);
+ CDEBUG(D_CONFIG, "activate %ld: ignoring repeat request\n",
+ val);
return count;
}
-LPROC_SEQ_FOPS(osc_active);
+LUSTRE_RW_ATTR(active);
-static int osc_max_rpcs_in_flight_seq_show(struct seq_file *m, void *v)
+static ssize_t max_rpcs_in_flight_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = m->private;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kobj);
struct client_obd *cli = &dev->u.cli;
- client_obd_list_lock(&cli->cl_loi_list_lock);
- seq_printf(m, "%u\n", cli->cl_max_rpcs_in_flight);
- client_obd_list_unlock(&cli->cl_loi_list_lock);
-
- return 0;
+ return sprintf(buf, "%u\n", cli->cl_max_rpcs_in_flight);
}
-static ssize_t osc_max_rpcs_in_flight_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t max_rpcs_in_flight_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kobj);
struct client_obd *cli = &dev->u.cli;
struct ptlrpc_request_pool *pool = cli->cl_import->imp_rq_pool;
- int val, rc;
+ int rc;
+ unsigned long val;
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = kstrtoul(buffer, 10, &val);
if (rc)
return rc;
if (val < 1 || val > OSC_MAX_RIF_MAX)
return -ERANGE;
- LPROCFS_CLIMP_CHECK(dev);
if (pool && val > cli->cl_max_rpcs_in_flight)
pool->prp_populate(pool, val-cli->cl_max_rpcs_in_flight);
@@ -112,14 +114,16 @@ static ssize_t osc_max_rpcs_in_flight_seq_write(struct file *file,
cli->cl_max_rpcs_in_flight = val;
client_obd_list_unlock(&cli->cl_loi_list_lock);
- LPROCFS_CLIMP_EXIT(dev);
return count;
}
-LPROC_SEQ_FOPS(osc_max_rpcs_in_flight);
+LUSTRE_RW_ATTR(max_rpcs_in_flight);
-static int osc_max_dirty_mb_seq_show(struct seq_file *m, void *v)
+static ssize_t max_dirty_mb_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = m->private;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kobj);
struct client_obd *cli = &dev->u.cli;
long val;
int mult;
@@ -129,22 +133,26 @@ static int osc_max_dirty_mb_seq_show(struct seq_file *m, void *v)
client_obd_list_unlock(&cli->cl_loi_list_lock);
mult = 1 << 20;
- return lprocfs_seq_read_frac_helper(m, val, mult);
+ return lprocfs_read_frac_helper(buf, PAGE_SIZE, val, mult);
}
-static ssize_t osc_max_dirty_mb_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t max_dirty_mb_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kobj);
struct client_obd *cli = &dev->u.cli;
- int pages_number, mult, rc;
+ int rc;
+ unsigned long pages_number;
- mult = 1 << (20 - PAGE_CACHE_SHIFT);
- rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult);
+ rc = kstrtoul(buffer, 10, &pages_number);
if (rc)
return rc;
+ pages_number *= 1 << (20 - PAGE_CACHE_SHIFT); /* MB -> pages */
+
if (pages_number <= 0 ||
pages_number > OSC_MAX_DIRTY_MB_MAX << (20 - PAGE_CACHE_SHIFT) ||
pages_number > totalram_pages / 4) /* 1/4 of RAM */
@@ -157,7 +165,7 @@ static ssize_t osc_max_dirty_mb_seq_write(struct file *file,
return count;
}
-LPROC_SEQ_FOPS(osc_max_dirty_mb);
+LUSTRE_RW_ATTR(max_dirty_mb);
static int osc_cached_mb_seq_show(struct seq_file *m, void *v)
{
@@ -210,44 +218,51 @@ static ssize_t osc_cached_mb_seq_write(struct file *file,
}
LPROC_SEQ_FOPS(osc_cached_mb);
-static int osc_cur_dirty_bytes_seq_show(struct seq_file *m, void *v)
+static ssize_t cur_dirty_bytes_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = m->private;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kobj);
struct client_obd *cli = &dev->u.cli;
+ int len;
client_obd_list_lock(&cli->cl_loi_list_lock);
- seq_printf(m, "%lu\n", cli->cl_dirty);
+ len = sprintf(buf, "%lu\n", cli->cl_dirty);
client_obd_list_unlock(&cli->cl_loi_list_lock);
- return 0;
+ return len;
}
-LPROC_SEQ_FOPS_RO(osc_cur_dirty_bytes);
+LUSTRE_RO_ATTR(cur_dirty_bytes);
-static int osc_cur_grant_bytes_seq_show(struct seq_file *m, void *v)
+static ssize_t cur_grant_bytes_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = m->private;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kobj);
struct client_obd *cli = &dev->u.cli;
+ int len;
client_obd_list_lock(&cli->cl_loi_list_lock);
- seq_printf(m, "%lu\n", cli->cl_avail_grant);
+ len = sprintf(buf, "%lu\n", cli->cl_avail_grant);
client_obd_list_unlock(&cli->cl_loi_list_lock);
- return 0;
+ return len;
}
-static ssize_t osc_cur_grant_bytes_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t cur_grant_bytes_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kobj);
struct client_obd *cli = &obd->u.cli;
- int rc;
- __u64 val;
-
- if (obd == NULL)
- return 0;
+ int rc;
+ unsigned long long val;
- rc = lprocfs_write_u64_helper(buffer, count, &val);
+ rc = kstrtoull(buffer, 10, &val);
if (rc)
return rc;
@@ -255,54 +270,56 @@ static ssize_t osc_cur_grant_bytes_seq_write(struct file *file,
client_obd_list_lock(&cli->cl_loi_list_lock);
if (val >= cli->cl_avail_grant) {
client_obd_list_unlock(&cli->cl_loi_list_lock);
- return 0;
+ return -EINVAL;
}
client_obd_list_unlock(&cli->cl_loi_list_lock);
- LPROCFS_CLIMP_CHECK(obd);
if (cli->cl_import->imp_state == LUSTRE_IMP_FULL)
rc = osc_shrink_grant_to_target(cli, val);
- LPROCFS_CLIMP_EXIT(obd);
if (rc)
return rc;
return count;
}
-LPROC_SEQ_FOPS(osc_cur_grant_bytes);
+LUSTRE_RW_ATTR(cur_grant_bytes);
-static int osc_cur_lost_grant_bytes_seq_show(struct seq_file *m, void *v)
+static ssize_t cur_lost_grant_bytes_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = m->private;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kobj);
struct client_obd *cli = &dev->u.cli;
+ int len;
client_obd_list_lock(&cli->cl_loi_list_lock);
- seq_printf(m, "%lu\n", cli->cl_lost_grant);
+ len = sprintf(buf, "%lu\n", cli->cl_lost_grant);
client_obd_list_unlock(&cli->cl_loi_list_lock);
- return 0;
+ return len;
}
-LPROC_SEQ_FOPS_RO(osc_cur_lost_grant_bytes);
+LUSTRE_RO_ATTR(cur_lost_grant_bytes);
-static int osc_grant_shrink_interval_seq_show(struct seq_file *m, void *v)
+static ssize_t grant_shrink_interval_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *obd = m->private;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kobj);
- if (obd == NULL)
- return 0;
- seq_printf(m, "%d\n", obd->u.cli.cl_grant_shrink_interval);
- return 0;
+ return sprintf(buf, "%d\n", obd->u.cli.cl_grant_shrink_interval);
}
-static ssize_t osc_grant_shrink_interval_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t grant_shrink_interval_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
- int val, rc;
-
- if (obd == NULL)
- return 0;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kobj);
+ int rc;
+ unsigned long val;
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = kstrtoul(buffer, 10, &val);
if (rc)
return rc;
@@ -313,30 +330,29 @@ static ssize_t osc_grant_shrink_interval_seq_write(struct file *file,
return count;
}
-LPROC_SEQ_FOPS(osc_grant_shrink_interval);
+LUSTRE_RW_ATTR(grant_shrink_interval);
-static int osc_checksum_seq_show(struct seq_file *m, void *v)
+static ssize_t checksums_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *obd = m->private;
-
- if (obd == NULL)
- return 0;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kobj);
- seq_printf(m, "%d\n", obd->u.cli.cl_checksum ? 1 : 0);
- return 0;
+ return sprintf(buf, "%d\n", obd->u.cli.cl_checksum ? 1 : 0);
}
-static ssize_t osc_checksum_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t checksums_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
- int val, rc;
-
- if (obd == NULL)
- return 0;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kobj);
+ int rc;
+ unsigned long val;
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = kstrtoul(buffer, 10, &val);
if (rc)
return rc;
@@ -344,7 +360,7 @@ static ssize_t osc_checksum_seq_write(struct file *file,
return count;
}
-LPROC_SEQ_FOPS(osc_checksum);
+LUSTRE_RW_ATTR(checksums);
static int osc_checksum_type_seq_show(struct seq_file *m, void *v)
{
@@ -400,22 +416,27 @@ static ssize_t osc_checksum_type_seq_write(struct file *file,
}
LPROC_SEQ_FOPS(osc_checksum_type);
-static int osc_resend_count_seq_show(struct seq_file *m, void *v)
+static ssize_t resend_count_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *obd = m->private;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kobj);
- seq_printf(m, "%u\n", atomic_read(&obd->u.cli.cl_resends));
- return 0;
+ return sprintf(buf, "%u\n", atomic_read(&obd->u.cli.cl_resends));
}
-static ssize_t osc_resend_count_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t resend_count_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
- int val, rc;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kobj);
+ int rc;
+ unsigned long val;
- rc = lprocfs_write_helper(buffer, count, &val);
+ rc = kstrtoul(buffer, 10, &val);
if (rc)
return rc;
@@ -426,75 +447,94 @@ static ssize_t osc_resend_count_seq_write(struct file *file,
return count;
}
-LPROC_SEQ_FOPS(osc_resend_count);
+LUSTRE_RW_ATTR(resend_count);
-static int osc_contention_seconds_seq_show(struct seq_file *m, void *v)
+static ssize_t contention_seconds_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *obd = m->private;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kobj);
struct osc_device *od = obd2osc_dev(obd);
- seq_printf(m, "%u\n", od->od_contention_time);
- return 0;
+ return sprintf(buf, "%u\n", od->od_contention_time);
}
-static ssize_t osc_contention_seconds_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t contention_seconds_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kobj);
struct osc_device *od = obd2osc_dev(obd);
return lprocfs_write_helper(buffer, count, &od->od_contention_time) ?:
count;
}
-LPROC_SEQ_FOPS(osc_contention_seconds);
+LUSTRE_RW_ATTR(contention_seconds);
-static int osc_lockless_truncate_seq_show(struct seq_file *m, void *v)
+static ssize_t lockless_truncate_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *obd = m->private;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kobj);
struct osc_device *od = obd2osc_dev(obd);
- seq_printf(m, "%u\n", od->od_lockless_truncate);
- return 0;
+ return sprintf(buf, "%u\n", od->od_lockless_truncate);
}
-static ssize_t osc_lockless_truncate_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t lockless_truncate_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct obd_device *obd = ((struct seq_file *)file->private_data)->private;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kobj);
struct osc_device *od = obd2osc_dev(obd);
return lprocfs_write_helper(buffer, count, &od->od_lockless_truncate) ?:
count;
}
-LPROC_SEQ_FOPS(osc_lockless_truncate);
+LUSTRE_RW_ATTR(lockless_truncate);
-static int osc_destroys_in_flight_seq_show(struct seq_file *m, void *v)
+static ssize_t destroys_in_flight_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct obd_device *obd = m->private;
+ struct obd_device *obd = container_of(kobj, struct obd_device,
+ obd_kobj);
- seq_printf(m, "%u\n", atomic_read(&obd->u.cli.cl_destroy_in_flight));
- return 0;
+ return sprintf(buf, "%u\n",
+ atomic_read(&obd->u.cli.cl_destroy_in_flight));
}
-LPROC_SEQ_FOPS_RO(osc_destroys_in_flight);
+LUSTRE_RO_ATTR(destroys_in_flight);
-static int osc_obd_max_pages_per_rpc_seq_show(struct seq_file *m, void *v)
+static ssize_t max_pages_per_rpc_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- return lprocfs_obd_rd_max_pages_per_rpc(m, m->private);
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kobj);
+ struct client_obd *cli = &dev->u.cli;
+
+ return sprintf(buf, "%d\n", cli->cl_max_pages_per_rpc);
}
-static ssize_t osc_obd_max_pages_per_rpc_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t max_pages_per_rpc_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kobj);
struct client_obd *cli = &dev->u.cli;
struct obd_connect_data *ocd = &cli->cl_import->imp_connect_data;
int chunk_mask, rc;
- __u64 val;
+ unsigned long long val;
- rc = lprocfs_write_u64_helper(buffer, count, &val);
+ rc = kstrtoull(buffer, 10, &val);
if (rc)
return rc;
@@ -502,23 +542,19 @@ static ssize_t osc_obd_max_pages_per_rpc_seq_write(struct file *file,
if (val >= ONE_MB_BRW_SIZE)
val >>= PAGE_CACHE_SHIFT;
- LPROCFS_CLIMP_CHECK(dev);
-
chunk_mask = ~((1 << (cli->cl_chunkbits - PAGE_CACHE_SHIFT)) - 1);
/* max_pages_per_rpc must be chunk aligned */
val = (val + ~chunk_mask) & chunk_mask;
if (val == 0 || val > ocd->ocd_brw_size >> PAGE_CACHE_SHIFT) {
- LPROCFS_CLIMP_EXIT(dev);
return -ERANGE;
}
client_obd_list_lock(&cli->cl_loi_list_lock);
cli->cl_max_pages_per_rpc = val;
client_obd_list_unlock(&cli->cl_loi_list_lock);
- LPROCFS_CLIMP_EXIT(dev);
return count;
}
-LPROC_SEQ_FOPS(osc_obd_max_pages_per_rpc);
+LUSTRE_RW_ATTR(max_pages_per_rpc);
LPROC_SEQ_FOPS_RO_TYPE(osc, connect_flags);
LPROC_SEQ_FOPS_RO_TYPE(osc, server_uuid);
@@ -537,22 +573,9 @@ static struct lprocfs_vars lprocfs_osc_obd_vars[] = {
/*{ "filegroups", lprocfs_rd_filegroups, NULL, 0 },*/
{ "ost_server_uuid", &osc_server_uuid_fops, NULL, 0 },
{ "ost_conn_uuid", &osc_conn_uuid_fops, NULL, 0 },
- { "active", &osc_active_fops, NULL },
- { "max_pages_per_rpc", &osc_obd_max_pages_per_rpc_fops, NULL },
- { "max_rpcs_in_flight", &osc_max_rpcs_in_flight_fops, NULL },
- { "destroys_in_flight", &osc_destroys_in_flight_fops, NULL, 0 },
- { "max_dirty_mb", &osc_max_dirty_mb_fops, NULL },
{ "osc_cached_mb", &osc_cached_mb_fops, NULL },
- { "cur_dirty_bytes", &osc_cur_dirty_bytes_fops, NULL, 0 },
- { "cur_grant_bytes", &osc_cur_grant_bytes_fops, NULL },
- { "cur_lost_grant_bytes", &osc_cur_lost_grant_bytes_fops, NULL, 0},
- { "grant_shrink_interval", &osc_grant_shrink_interval_fops, NULL },
- { "checksums", &osc_checksum_fops, NULL },
{ "checksum_type", &osc_checksum_type_fops, NULL },
- { "resend_count", &osc_resend_count_fops, NULL},
{ "timeouts", &osc_timeouts_fops, NULL, 0 },
- { "contention_seconds", &osc_contention_seconds_fops, NULL },
- { "lockless_truncate", &osc_lockless_truncate_fops, NULL },
{ "import", &osc_import_fops, NULL },
{ "state", &osc_state_fops, NULL, 0 },
{ "pinger_recov", &osc_pinger_recov_fops, NULL },
@@ -724,7 +747,29 @@ int lproc_osc_attach_seqstat(struct obd_device *dev)
return rc;
}
+static struct attribute *osc_attrs[] = {
+ &lustre_attr_active.attr,
+ &lustre_attr_checksums.attr,
+ &lustre_attr_contention_seconds.attr,
+ &lustre_attr_cur_dirty_bytes.attr,
+ &lustre_attr_cur_grant_bytes.attr,
+ &lustre_attr_cur_lost_grant_bytes.attr,
+ &lustre_attr_destroys_in_flight.attr,
+ &lustre_attr_grant_shrink_interval.attr,
+ &lustre_attr_lockless_truncate.attr,
+ &lustre_attr_max_dirty_mb.attr,
+ &lustre_attr_max_pages_per_rpc.attr,
+ &lustre_attr_max_rpcs_in_flight.attr,
+ &lustre_attr_resend_count.attr,
+ NULL,
+};
+
+static struct attribute_group osc_attr_group = {
+ .attrs = osc_attrs,
+};
+
void lprocfs_osc_init_vars(struct lprocfs_static_vars *lvars)
{
+ lvars->sysfs_vars = &osc_attr_group;
lvars->obd_vars = lprocfs_osc_obd_vars;
}
diff --git a/drivers/staging/lustre/sysfs-fs-lustre b/drivers/staging/lustre/sysfs-fs-lustre
index a99078c..5e2d55b 100644
--- a/drivers/staging/lustre/sysfs-fs-lustre
+++ b/drivers/staging/lustre/sysfs-fs-lustre
@@ -391,7 +391,7 @@ Description:
Maximum number of readdir pages to fit into a single readdir
RPC.
-What: /sys/fs/lustre/mdc/{connection_name}/max_rpcs_in_flight
+What: /sys/fs/lustre/{mdc,osc}/{connection_name}/max_rpcs_in_flight
Date: May 2015
Contact: "Oleg Drokin" <oleg.drokin@xxxxxxxxx>
Description:
@@ -400,3 +400,108 @@ Description:
latency links, but has a chance of overloading a server
if you have too many clients like this.
Default: 8
+
+What: /sys/fs/lustre/osc/{connection_name}/max_pages_per_rpc
+Date: May 2015
+Contact: "Oleg Drokin" <oleg.drokin@xxxxxxxxx>
+Description:
+ Maximum number of pages to fit into a single RPC.
+ Typically bigger RPCs allow for better performance.
+ Default: however many pages to form 1M of data (256 pages
+ for 4K page sized platforms)
+
+What: /sys/fs/lustre/osc/{connection_name}/active
+Date: May 2015
+Contact: "Oleg Drokin" <oleg.drokin@xxxxxxxxx>
+Description:
+ Controls accessibility of this connection. If set to 0,
+ fail all accesses immediately.
+
+What: /sys/fs/lustre/osc/{connection_name}/checksums
+Date: May 2015
+Contact: "Oleg Drokin" <oleg.drokin@xxxxxxxxx>
+Description:
+ Controls whenever to checksum bulk RPC data over the wire
+ to this target.
+ 1: enable (default) ; 0: disable
+
+What: /sys/fs/lustre/osc/{connection_name}/contention_seconds
+Date: May 2015
+Contact: "Oleg Drokin" <oleg.drokin@xxxxxxxxx>
+Description:
+ Controls for how long to consider a file contended once
+ indicated as such by the server.
+ When a file is considered contended, all operations switch to
+ synchronous lockless mode to avoid cache and lock pingpong.
+
+What: /sys/fs/lustre/osc/{connection_name}/cur_dirty_bytes
+Date: May 2015
+Contact: "Oleg Drokin" <oleg.drokin@xxxxxxxxx>
+Description:
+ Displays how many dirty bytes is presently in the cache for this
+ target.
+
+What: /sys/fs/lustre/osc/{connection_name}/cur_grant_bytes
+Date: May 2015
+Contact: "Oleg Drokin" <oleg.drokin@xxxxxxxxx>
+Description:
+ Shows how many bytes we have as a "dirty cache" grant from the
+ server. Writing a value smaller than shown allows to release
+ some grant back to the server.
+ Dirty cache grant is a way Lustre ensures that cached successful
+ writes on client do not end up discarded by the server due to
+ lack of space later on.
+
+What: /sys/fs/lustre/osc/{connection_name}/cur_lost_grant_bytes
+Date: May 2015
+Contact: "Oleg Drokin" <oleg.drokin@xxxxxxxxx>
+Description:
+ Shows how many granted bytes were released to the server due
+ to lack of write activity on this client.
+
+What: /sys/fs/lustre/osc/{connection_name}/grant_shrink_interval
+Date: May 2015
+Contact: "Oleg Drokin" <oleg.drokin@xxxxxxxxx>
+Description:
+ Number of seconds with no write activity for this target
+ to start releasing dirty grant back to the server.
+
+What: /sys/fs/lustre/osc/{connection_name}/destroys_in_flight
+Date: May 2015
+Contact: "Oleg Drokin" <oleg.drokin@xxxxxxxxx>
+Description:
+ Number of DESTROY RPCs currently in flight to this target.
+
+What: /sys/fs/lustre/osc/{connection_name}/lockless_truncate
+Date: May 2015
+Contact: "Oleg Drokin" <oleg.drokin@xxxxxxxxx>
+Description:
+ Controls whether lockless truncate RPCs are allowed to this
+ target.
+ Lockless truncate causes server to perform the locking which
+ is beneficial if the truncate is not followed by a write
+ immediately.
+ 1: enable ; 0: disable (default)
+
+What: /sys/fs/lustre/osc/{connection_name}/max_dirty_mb
+Date: May 2015
+Contact: "Oleg Drokin" <oleg.drokin@xxxxxxxxx>
+Description:
+ Controls how much dirty data this client can accumulate
+ for this target. This is orthogonal to dirty grant and is
+ a hard limit even if the server would allow a bigger dirty
+ cache.
+ While allowing higher dirty cache is beneficial for write
+ performance, flushing write cache takes longer and as such
+ the node might be more prone to OOMs.
+ Having this value set too low might result in not being able
+ to sent too many parallel WRITE RPCs.
+ Default: 32
+
+What: /sys/fs/lustre/osc/{connection_name}/resend_count
+Date: May 2015
+Contact: "Oleg Drokin" <oleg.drokin@xxxxxxxxx>
+Description:
+ Controls how many times to try and resend RPCs to this target
+ that failed with "recoverable" status, such as EAGAIN,
+ ENOMEM.
--
2.1.0
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