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path: root/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
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Diffstat (limited to 'drivers/staging/lustre/lustre/obdclass/lprocfs_status.c')
-rw-r--r--drivers/staging/lustre/lustre/obdclass/lprocfs_status.c110
1 files changed, 58 insertions, 52 deletions
diff --git a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
index ddab94d7ee82..c171c6c6c457 100644
--- a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
+++ b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
@@ -223,7 +223,7 @@ EXPORT_SYMBOL(lprocfs_write_frac_helper);
#if defined (CONFIG_PROC_FS)
-static int lprocfs_no_percpu_stats = 0;
+static int lprocfs_no_percpu_stats;
module_param(lprocfs_no_percpu_stats, int, 0644);
MODULE_PARM_DESC(lprocfs_no_percpu_stats, "Do not alloc percpu data for lprocfs stats");
@@ -377,7 +377,8 @@ EXPORT_SYMBOL(lprocfs_register);
/* Generic callbacks */
int lprocfs_rd_uint(struct seq_file *m, void *data)
{
- return seq_printf(m, "%u\n", *(unsigned int *)data);
+ seq_printf(m, "%u\n", *(unsigned int *)data);
+ return 0;
}
EXPORT_SYMBOL(lprocfs_rd_uint);
@@ -403,7 +404,8 @@ EXPORT_SYMBOL(lprocfs_wr_uint);
int lprocfs_rd_u64(struct seq_file *m, void *data)
{
- return seq_printf(m, "%llu\n", *(__u64 *)data);
+ seq_printf(m, "%llu\n", *(__u64 *)data);
+ return 0;
}
EXPORT_SYMBOL(lprocfs_rd_u64);
@@ -411,7 +413,8 @@ int lprocfs_rd_atomic(struct seq_file *m, void *data)
{
atomic_t *atom = data;
LASSERT(atom != NULL);
- return seq_printf(m, "%d\n", atomic_read(atom));
+ seq_printf(m, "%d\n", atomic_read(atom));
+ return 0;
}
EXPORT_SYMBOL(lprocfs_rd_atomic);
@@ -439,7 +442,8 @@ int lprocfs_rd_uuid(struct seq_file *m, void *data)
struct obd_device *obd = data;
LASSERT(obd != NULL);
- return seq_printf(m, "%s\n", obd->obd_uuid.uuid);
+ seq_printf(m, "%s\n", obd->obd_uuid.uuid);
+ return 0;
}
EXPORT_SYMBOL(lprocfs_rd_uuid);
@@ -448,7 +452,8 @@ int lprocfs_rd_name(struct seq_file *m, void *data)
struct obd_device *dev = data;
LASSERT(dev != NULL);
- return seq_printf(m, "%s\n", dev->obd_name);
+ seq_printf(m, "%s\n", dev->obd_name);
+ return 0;
}
EXPORT_SYMBOL(lprocfs_rd_name);
@@ -460,7 +465,8 @@ int lprocfs_rd_blksize(struct seq_file *m, void *data)
cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
OBD_STATFS_NODELAY);
if (!rc)
- rc = seq_printf(m, "%u\n", osfs.os_bsize);
+ seq_printf(m, "%u\n", osfs.os_bsize);
+
return rc;
}
EXPORT_SYMBOL(lprocfs_rd_blksize);
@@ -479,8 +485,9 @@ int lprocfs_rd_kbytestotal(struct seq_file *m, void *data)
while (blk_size >>= 1)
result <<= 1;
- rc = seq_printf(m, "%llu\n", result);
+ seq_printf(m, "%llu\n", result);
}
+
return rc;
}
EXPORT_SYMBOL(lprocfs_rd_kbytestotal);
@@ -499,8 +506,9 @@ int lprocfs_rd_kbytesfree(struct seq_file *m, void *data)
while (blk_size >>= 1)
result <<= 1;
- rc = seq_printf(m, "%llu\n", result);
+ seq_printf(m, "%llu\n", result);
}
+
return rc;
}
EXPORT_SYMBOL(lprocfs_rd_kbytesfree);
@@ -519,8 +527,9 @@ int lprocfs_rd_kbytesavail(struct seq_file *m, void *data)
while (blk_size >>= 1)
result <<= 1;
- rc = seq_printf(m, "%llu\n", result);
+ seq_printf(m, "%llu\n", result);
}
+
return rc;
}
EXPORT_SYMBOL(lprocfs_rd_kbytesavail);
@@ -533,7 +542,7 @@ int lprocfs_rd_filestotal(struct seq_file *m, void *data)
cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
OBD_STATFS_NODELAY);
if (!rc)
- rc = seq_printf(m, "%llu\n", osfs.os_files);
+ seq_printf(m, "%llu\n", osfs.os_files);
return rc;
}
@@ -547,7 +556,8 @@ int lprocfs_rd_filesfree(struct seq_file *m, void *data)
cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
OBD_STATFS_NODELAY);
if (!rc)
- rc = seq_printf(m, "%llu\n", osfs.os_ffree);
+ seq_printf(m, "%llu\n", osfs.os_ffree);
+
return rc;
}
EXPORT_SYMBOL(lprocfs_rd_filesfree);
@@ -557,17 +567,18 @@ int lprocfs_rd_server_uuid(struct seq_file *m, void *data)
struct obd_device *obd = data;
struct obd_import *imp;
char *imp_state_name = NULL;
- int rc = 0;
LASSERT(obd != NULL);
LPROCFS_CLIMP_CHECK(obd);
imp = obd->u.cli.cl_import;
imp_state_name = ptlrpc_import_state_name(imp->imp_state);
- rc = seq_printf(m, "%s\t%s%s\n", obd2cli_tgt(obd), imp_state_name,
- imp->imp_deactive ? "\tDEACTIVATED" : "");
+ seq_printf(m, "%s\t%s%s\n",
+ obd2cli_tgt(obd), imp_state_name,
+ imp->imp_deactive ? "\tDEACTIVATED" : "");
LPROCFS_CLIMP_EXIT(obd);
- return rc;
+
+ return 0;
}
EXPORT_SYMBOL(lprocfs_rd_server_uuid);
@@ -575,19 +586,19 @@ int lprocfs_rd_conn_uuid(struct seq_file *m, void *data)
{
struct obd_device *obd = data;
struct ptlrpc_connection *conn;
- int rc = 0;
LASSERT(obd != NULL);
LPROCFS_CLIMP_CHECK(obd);
conn = obd->u.cli.cl_import->imp_connection;
if (conn && obd->u.cli.cl_import)
- rc = seq_printf(m, "%s\n", conn->c_remote_uuid.uuid);
+ seq_printf(m, "%s\n", conn->c_remote_uuid.uuid);
else
- rc = seq_printf(m, "%s\n", "<none>");
+ seq_puts(m, "<none>\n");
LPROCFS_CLIMP_EXIT(obd);
- return rc;
+
+ return 0;
}
EXPORT_SYMBOL(lprocfs_rd_conn_uuid);
@@ -924,7 +935,8 @@ int lprocfs_rd_num_exports(struct seq_file *m, void *data)
struct obd_device *obd = data;
LASSERT(obd != NULL);
- return seq_printf(m, "%u\n", obd->obd_num_exports);
+ seq_printf(m, "%u\n", obd->obd_num_exports);
+ return 0;
}
EXPORT_SYMBOL(lprocfs_rd_num_exports);
@@ -933,7 +945,8 @@ int lprocfs_rd_numrefs(struct seq_file *m, void *data)
struct obd_type *class = (struct obd_type *) data;
LASSERT(class != NULL);
- return seq_printf(m, "%d\n", class->typ_refcnt);
+ seq_printf(m, "%d\n", class->typ_refcnt);
+ return 0;
}
EXPORT_SYMBOL(lprocfs_rd_numrefs);
@@ -1200,41 +1213,33 @@ static int lprocfs_stats_seq_show(struct seq_file *p, void *v)
struct lprocfs_counter_header *hdr;
struct lprocfs_counter ctr;
int idx = *(loff_t *)v;
- int rc = 0;
if (idx == 0) {
struct timeval now;
do_gettimeofday(&now);
- rc = seq_printf(p, "%-25s %lu.%lu secs.usecs\n",
- "snapshot_time", now.tv_sec, (unsigned long)now.tv_usec);
- if (rc < 0)
- return rc;
+ seq_printf(p, "%-25s %lu.%lu secs.usecs\n",
+ "snapshot_time",
+ now.tv_sec, (unsigned long)now.tv_usec);
}
+
hdr = &stats->ls_cnt_header[idx];
lprocfs_stats_collect(stats, idx, &ctr);
- if (ctr.lc_count == 0)
- goto out;
-
- rc = seq_printf(p, "%-25s %lld samples [%s]", hdr->lc_name,
- ctr.lc_count, hdr->lc_units);
+ if (ctr.lc_count != 0) {
+ seq_printf(p, "%-25s %lld samples [%s]",
+ hdr->lc_name, ctr.lc_count, hdr->lc_units);
- if (rc < 0)
- goto out;
-
- if ((hdr->lc_config & LPROCFS_CNTR_AVGMINMAX) && (ctr.lc_count > 0)) {
- rc = seq_printf(p, " %lld %lld %lld",
- ctr.lc_min, ctr.lc_max, ctr.lc_sum);
- if (rc < 0)
- goto out;
- if (hdr->lc_config & LPROCFS_CNTR_STDDEV)
- rc = seq_printf(p, " %lld", ctr.lc_sumsquare);
- if (rc < 0)
- goto out;
+ if ((hdr->lc_config & LPROCFS_CNTR_AVGMINMAX) &&
+ (ctr.lc_count > 0)) {
+ seq_printf(p, " %lld %lld %lld",
+ ctr.lc_min, ctr.lc_max, ctr.lc_sum);
+ if (hdr->lc_config & LPROCFS_CNTR_STDDEV)
+ seq_printf(p, " %lld", ctr.lc_sumsquare);
+ }
+ seq_putc(p, '\n');
}
- rc = seq_printf(p, "\n");
-out:
- return (rc < 0) ? rc : 0;
+
+ return 0;
}
static const struct seq_operations lprocfs_stats_seq_sops = {
@@ -1606,8 +1611,9 @@ LPROC_SEQ_FOPS_RO(lproc_exp_hash);
int lprocfs_nid_stats_clear_read(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");
+ seq_printf(m, "%s\n",
+ "Write into this file to clear all nid stats and stale nid entries");
+ return 0;
}
EXPORT_SYMBOL(lprocfs_nid_stats_clear_read);
@@ -2041,12 +2047,12 @@ int lprocfs_obd_rd_max_pages_per_rpc(struct seq_file *m, void *data)
{
struct obd_device *dev = data;
struct client_obd *cli = &dev->u.cli;
- int rc;
client_obd_list_lock(&cli->cl_loi_list_lock);
- rc = seq_printf(m, "%d\n", cli->cl_max_pages_per_rpc);
+ seq_printf(m, "%d\n", cli->cl_max_pages_per_rpc);
client_obd_list_unlock(&cli->cl_loi_list_lock);
- return rc;
+
+ return 0;
}
EXPORT_SYMBOL(lprocfs_obd_rd_max_pages_per_rpc);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.