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LU-8648 all: remove all Sun license and URL references
[fs/lustre-release.git] / lustre / ptlrpc / gss / lproc_gss.c
index f524c23..6702531 100644 (file)
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
@@ -27,7 +23,7 @@
  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2012, Intel Corporation.
+ * Copyright (c) 2012, 2014, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
  */
 
 #define DEBUG_SUBSYSTEM S_SEC
-#ifdef __KERNEL__
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/dcache.h>
 #include <linux/fs.h>
 #include <linux/mutex.h>
-#else
-#include <liblustre.h>
-#endif
 
 #include <obd.h>
 #include <obd_class.h>
@@ -66,21 +58,21 @@ static struct proc_dir_entry *gss_proc_lk = NULL;
  * statistic of "out-of-sequence-window"
  */
 static struct {
-       spinlock_t  oos_lock;
-        cfs_atomic_t    oos_cli_count;       /* client occurrence */
-        int             oos_cli_behind;      /* client max seqs behind */
-        cfs_atomic_t    oos_svc_replay[3];   /* server replay detected */
-        cfs_atomic_t    oos_svc_pass[3];     /* server verified ok */
+       spinlock_t      oos_lock;
+       atomic_t        oos_cli_count;          /* client occurrence */
+       int             oos_cli_behind;         /* client max seqs behind */
+       atomic_t        oos_svc_replay[3];      /* server replay detected */
+       atomic_t        oos_svc_pass[3];        /* server verified ok */
 } gss_stat_oos = {
-        .oos_cli_count  = CFS_ATOMIC_INIT(0),
-        .oos_cli_behind = 0,
-        .oos_svc_replay = { CFS_ATOMIC_INIT(0), },
-        .oos_svc_pass   = { CFS_ATOMIC_INIT(0), },
+       .oos_cli_count  = ATOMIC_INIT(0),
+       .oos_cli_behind = 0,
+       .oos_svc_replay = { ATOMIC_INIT(0), },
+       .oos_svc_pass   = { ATOMIC_INIT(0), },
 };
 
 void gss_stat_oos_record_cli(int behind)
 {
-       cfs_atomic_inc(&gss_stat_oos.oos_cli_count);
+       atomic_inc(&gss_stat_oos.oos_cli_count);
 
        spin_lock(&gss_stat_oos.oos_lock);
        if (behind > gss_stat_oos.oos_cli_behind)
@@ -90,36 +82,36 @@ void gss_stat_oos_record_cli(int behind)
 
 void gss_stat_oos_record_svc(int phase, int replay)
 {
-        LASSERT(phase >= 0 && phase <= 2);
+       LASSERT(phase >= 0 && phase <= 2);
 
-        if (replay)
-                cfs_atomic_inc(&gss_stat_oos.oos_svc_replay[phase]);
-        else
-                cfs_atomic_inc(&gss_stat_oos.oos_svc_pass[phase]);
+       if (replay)
+               atomic_inc(&gss_stat_oos.oos_svc_replay[phase]);
+       else
+               atomic_inc(&gss_stat_oos.oos_svc_pass[phase]);
 }
 
 static int gss_proc_oos_seq_show(struct seq_file *m, void *v)
 {
-       return seq_printf(m,
-                        "seqwin:                %u\n"
-                        "backwin:               %u\n"
-                        "client fall behind seqwin\n"
-                        "  occurrence:          %d\n"
-                        "  max seq behind:      %d\n"
-                        "server replay detected:\n"
-                        "  phase 0:             %d\n"
-                        "  phase 1:             %d\n"
-                        "  phase 2:             %d\n"
-                        "server verify ok:\n"
-                        "  phase 2:             %d\n",
-                        GSS_SEQ_WIN_MAIN,
-                        GSS_SEQ_WIN_BACK,
-                        cfs_atomic_read(&gss_stat_oos.oos_cli_count),
-                        gss_stat_oos.oos_cli_behind,
-                        cfs_atomic_read(&gss_stat_oos.oos_svc_replay[0]),
-                        cfs_atomic_read(&gss_stat_oos.oos_svc_replay[1]),
-                        cfs_atomic_read(&gss_stat_oos.oos_svc_replay[2]),
-                        cfs_atomic_read(&gss_stat_oos.oos_svc_pass[2]));
+       seq_printf(m, "seqwin:             %u\n"
+                  "backwin:            %u\n"
+                  "client fall behind seqwin\n"
+                  "  occurrence:       %d\n"
+                  "  max seq behind:   %d\n"
+                  "server replay detected:\n"
+                  "  phase 0:          %d\n"
+                  "  phase 1:          %d\n"
+                  "  phase 2:          %d\n"
+                  "server verify ok:\n"
+                  "  phase 2:          %d\n",
+                  GSS_SEQ_WIN_MAIN,
+                  GSS_SEQ_WIN_BACK,
+                  atomic_read(&gss_stat_oos.oos_cli_count),
+                  gss_stat_oos.oos_cli_behind,
+                  atomic_read(&gss_stat_oos.oos_svc_replay[0]),
+                  atomic_read(&gss_stat_oos.oos_svc_replay[1]),
+                  atomic_read(&gss_stat_oos.oos_svc_replay[2]),
+                  atomic_read(&gss_stat_oos.oos_svc_pass[2]));
+       return 0;
 }
 LPROC_SEQ_FOPS_RO(gss_proc_oos);
 
@@ -141,7 +133,7 @@ static const struct file_operations gss_proc_secinit = {
        .write = gss_proc_write_secinit,
 };
 
-static struct lprocfs_seq_vars gss_lprocfs_vars[] = {
+static struct lprocfs_vars gss_lprocfs_vars[] = {
        { .name =       "replays",
          .fops =       &gss_proc_oos_fops      },
        { .name =       "init_channel",
@@ -159,28 +151,31 @@ static int gss_lk_debug_level = 1;
 
 static int gss_lk_proc_dl_seq_show(struct seq_file *m, void *v)
 {
-       return seq_printf(m, "%u\n", gss_lk_debug_level);
+       seq_printf(m, "%u\n", gss_lk_debug_level);
+       return 0;
 }
 
 static ssize_t
-gss_lk_proc_dl_seq_write(struct file *file, const char *buffer,
+gss_lk_proc_dl_seq_write(struct file *file, const char __user *buffer,
                                size_t count, loff_t *off)
 {
-        int     val, rc;
+       int rc;
+       __s64 val;
 
-        rc = lprocfs_write_helper(buffer, count, &val);
-        if (rc < 0)
-                return rc;
+       rc = lprocfs_str_to_s64(buffer, count, &val);
+       if (rc < 0)
+               return rc;
+
+       if (val < 0 || val > 4)
+               return -ERANGE;
 
-        if (val < 0 || val > 4)
-                return -ERANGE;
+       gss_lk_debug_level = val;
 
-        gss_lk_debug_level = val;
-        return count;
+       return count;
 }
 LPROC_SEQ_FOPS(gss_lk_proc_dl);
 
-static struct lprocfs_seq_vars gss_lk_lprocfs_vars[] = {
+static struct lprocfs_vars gss_lk_lprocfs_vars[] = {
        { .name =       "debug_level",
          .fops =       &gss_lk_proc_dl_fops    },
        { NULL }
@@ -205,16 +200,16 @@ int gss_init_lproc(void)
 
        spin_lock_init(&gss_stat_oos.oos_lock);
 
-       gss_proc_root = lprocfs_seq_register("gss", sptlrpc_proc_root,
-                                               gss_lprocfs_vars, NULL);
+       gss_proc_root = lprocfs_register("gss", sptlrpc_proc_root,
+                                        gss_lprocfs_vars, NULL);
        if (IS_ERR(gss_proc_root)) {
                rc = PTR_ERR(gss_proc_root);
                gss_proc_root = NULL;
                GOTO(out, rc);
        }
 
-       gss_proc_lk = lprocfs_seq_register("lgss_keyring", gss_proc_root,
-                                               gss_lk_lprocfs_vars, NULL);
+       gss_proc_lk = lprocfs_register("lgss_keyring", gss_proc_root,
+                                      gss_lk_lprocfs_vars, NULL);
        if (IS_ERR(gss_proc_lk)) {
                rc = PTR_ERR(gss_proc_lk);
                gss_proc_lk = NULL;