staging: lustre: remove ldebugfs_seq_create() wrapper function

It was just calling debugfs_create_file() so unwind things and just call
the real function instead.  This ends up saving a number of lines as
there was never any error handling happening anyway, so that all can be
removed as well.

Cc: Oleg Drokin <oleg.drokin@intel.com>
Cc: Andreas Dilger <andreas.dilger@intel.com>
Cc: James Simmons <jsimmons@infradead.org>
Cc: Quentin Bouget <quentin.bouget@cea.fr>
Cc: NeilBrown <neilb@suse.com>
Cc: Ben Evans <bevans@cray.com>
Cc: Arushi Singhal <arushisinghal19971997@gmail.com>
Cc: Arvind Yadav <arvind.yadav.cs@gmail.com>
Cc: "John L. Hammond" <john.hammond@intel.com>
Cc: Vitaly Fertman <vitaly.fertman@seagate.com>
Cc: Julia Lawall <julia.lawall@lip6.fr>
Cc: Dafna Hirschfeld <dafna3@gmail.com>
Cc: Mathias Rav <mathiasrav@gmail.com>
Cc: "Gustavo A. R. Silva" <garsilva@embeddedor.com>
Cc: Bob Glosman <bob.glossman@intel.com>
Cc: lustre-devel@lists.lustre.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/lustre/lustre/include/lprocfs_status.h b/drivers/staging/lustre/lustre/include/lprocfs_status.h
index 7aafe87..54abcc2 100644 (file)
--- a/drivers/staging/lustre/lustre/include/lprocfs_status.h
+++ b/drivers/staging/lustre/lustre/include/lprocfs_status.h
@@ -465,11 +465,6 @@ int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list,
                      const struct attribute_group *attrs);
 int lprocfs_obd_cleanup(struct obd_device *obd);
 
-int ldebugfs_seq_create(struct dentry *parent,
-                       const char *name,
-                       umode_t mode,
-                       const struct file_operations *seq_fops,
-                       void *data);
 int ldebugfs_obd_seq_create(struct obd_device *dev,
                            const char *name,
                            umode_t mode,

diff --git a/drivers/staging/lustre/lustre/llite/lproc_llite.c b/drivers/staging/lustre/lustre/llite/lproc_llite.c
index 2297a14..1f122f8 100644 (file)
--- a/drivers/staging/lustre/lustre/llite/lproc_llite.c
+++ b/drivers/staging/lustre/lustre/llite/lproc_llite.c
@@ -1139,7 +1139,7 @@ int ldebugfs_register_mountpoint(struct dentry *parent,
        struct obd_device *obd;
        struct dentry *dir;
        char name[MAX_STRING_SIZE + 1], *ptr;
-       int err, id, len, rc;
+       int err, id, len;
 
        name[MAX_STRING_SIZE] = '\0';
 
@@ -1165,26 +1165,14 @@ int ldebugfs_register_mountpoint(struct dentry *parent,
        }
        sbi->ll_debugfs_entry = dir;
 
-       rc = ldebugfs_seq_create(sbi->ll_debugfs_entry, "dump_page_cache", 0444,
-                                &vvp_dump_pgcache_file_ops, sbi);
-       if (rc)
-               CWARN("Error adding the dump_page_cache file\n");
-
-       rc = ldebugfs_seq_create(sbi->ll_debugfs_entry, "extents_stats", 0644,
-                                &ll_rw_extents_stats_fops, sbi);
-       if (rc)
-               CWARN("Error adding the extent_stats file\n");
-
-       rc = ldebugfs_seq_create(sbi->ll_debugfs_entry,
-                                "extents_stats_per_process",
-                                0644, &ll_rw_extents_stats_pp_fops, sbi);
-       if (rc)
-               CWARN("Error adding the extents_stats_per_process file\n");
-
-       rc = ldebugfs_seq_create(sbi->ll_debugfs_entry, "offset_stats", 0644,
-                                &ll_rw_offset_stats_fops, sbi);
-       if (rc)
-               CWARN("Error adding the offset_stats file\n");
+       debugfs_create_file("dump_page_cache", 0444, dir, sbi,
+                           &vvp_dump_pgcache_file_ops);
+       debugfs_create_file("extents_stats", 0644, dir, sbi,
+                           &ll_rw_extents_stats_fops);
+       debugfs_create_file("extents_stats_per_process", 0644,
+                           dir, sbi, &ll_rw_extents_stats_pp_fops);
+       debugfs_create_file("offset_stats", 0644, dir, sbi,
+                           &ll_rw_offset_stats_fops);
 
        /* File operations stats */
        sbi->ll_stats = lprocfs_alloc_stats(LPROC_LL_FILE_OPCODES,

diff --git a/drivers/staging/lustre/lustre/lmv/lmv_obd.c b/drivers/staging/lustre/lustre/lmv/lmv_obd.c
index fa5f4e5..65f94e6 100644 (file)
--- a/drivers/staging/lustre/lustre/lmv/lmv_obd.c
+++ b/drivers/staging/lustre/lustre/lmv/lmv_obd.c
@@ -1264,11 +1264,8 @@ static int lmv_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
        lprocfs_lmv_init_vars(&lvars);
 
        lprocfs_obd_setup(obd, lvars.obd_vars, lvars.sysfs_vars);
-       rc = ldebugfs_seq_create(obd->obd_debugfs_entry, "target_obd",
-                                0444, &lmv_proc_target_fops, obd);
-       if (rc)
-               CWARN("%s: error adding LMV target_obd file: rc = %d\n",
-                     obd->obd_name, rc);
+       debugfs_create_file("target_obd", 0444, obd->obd_debugfs_entry, obd,
+                           &lmv_proc_target_fops);
        rc = fld_client_init(&lmv->lmv_fld, obd->obd_name,
                             LUSTRE_CLI_FLD_HASH_DHT);
        if (rc) {

diff --git a/drivers/staging/lustre/lustre/lov/lov_obd.c b/drivers/staging/lustre/lustre/lov/lov_obd.c
index 7123972..a2a5f59 100644 (file)
--- a/drivers/staging/lustre/lustre/lov/lov_obd.c
+++ b/drivers/staging/lustre/lustre/lov/lov_obd.c
@@ -806,10 +806,8 @@ int lov_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
        lprocfs_lov_init_vars(&lvars);
        lprocfs_obd_setup(obd, lvars.obd_vars, lvars.sysfs_vars);
 
-       rc = ldebugfs_seq_create(obd->obd_debugfs_entry, "target_obd",
-                                0444, &lov_proc_target_fops, obd);
-       if (rc)
-               CWARN("Error adding the target_obd file\n");
+       debugfs_create_file("target_obd", 0444, obd->obd_debugfs_entry, obd,
+                           &lov_proc_target_fops);
 
        lov->lov_pool_debugfs_entry = ldebugfs_register("pools",
                                                     obd->obd_debugfs_entry,

diff --git a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
index 089a3d7..6e0ea4e 100644 (file)
--- a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
+++ b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
@@ -1538,29 +1538,14 @@ char *lprocfs_find_named_value(const char *buffer, const char *name,
 }
 EXPORT_SYMBOL(lprocfs_find_named_value);
 
-int ldebugfs_seq_create(struct dentry *parent, const char *name,
-                       umode_t mode, const struct file_operations *seq_fops,
-                       void *data)
-{
-       struct dentry *entry;
-
-       /* Disallow secretly (un)writable entries. */
-       LASSERT((!seq_fops->write) == ((mode & 0222) == 0));
-
-       entry = debugfs_create_file(name, mode, parent, data, seq_fops);
-
-       return 0;
-}
-EXPORT_SYMBOL_GPL(ldebugfs_seq_create);
-
 int ldebugfs_obd_seq_create(struct obd_device *dev,
                            const char *name,
                            umode_t mode,
                            const struct file_operations *seq_fops,
                            void *data)
 {
-       return ldebugfs_seq_create(dev->obd_debugfs_entry, name,
-                                  mode, seq_fops, data);
+       debugfs_create_file(name, mode, dev->obd_debugfs_entry, data, seq_fops);
+       return 0;
 }
 EXPORT_SYMBOL_GPL(ldebugfs_obd_seq_create);
 

diff --git a/drivers/staging/lustre/lustre/osc/lproc_osc.c b/drivers/staging/lustre/lustre/osc/lproc_osc.c
index dc76c35..31f49f3 100644 (file)
--- a/drivers/staging/lustre/lustre/osc/lproc_osc.c
+++ b/drivers/staging/lustre/lustre/osc/lproc_osc.c
@@ -805,11 +805,10 @@ int lproc_osc_attach_seqstat(struct obd_device *dev)
 {
        int rc;
 
-       rc = ldebugfs_seq_create(dev->obd_debugfs_entry, "osc_stats", 0644,
-                                &osc_stats_fops, dev);
-       if (rc == 0)
-               rc = ldebugfs_obd_seq_create(dev, "rpc_stats", 0644,
-                                            &osc_rpc_stats_fops, dev);
+       debugfs_create_file("osc_stats", 0644, dev->obd_debugfs_entry, dev,
+                           &osc_stats_fops);
+       rc = ldebugfs_obd_seq_create(dev, "rpc_stats", 0644,
+                                    &osc_rpc_stats_fops, dev);
 
        return rc;
 }

diff --git a/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c b/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c
index 6022246..eb21a8d 100644 (file)
--- a/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c
@@ -1099,8 +1099,6 @@ void ptlrpc_ldebugfs_register_service(struct dentry *entry,
                .release     = lprocfs_seq_release,
        };
 
-       int rc;
-
        ptlrpc_ldebugfs_register(entry, svc->srv_name,
                                 "stats", &svc->srv_debugfs_entry,
                                 &svc->srv_stats);
@@ -1110,10 +1108,8 @@ void ptlrpc_ldebugfs_register_service(struct dentry *entry,
 
        ldebugfs_add_vars(svc->srv_debugfs_entry, lproc_vars, NULL);
 
-       rc = ldebugfs_seq_create(svc->srv_debugfs_entry, "req_history",
-                                0400, &req_history_fops, svc);
-       if (rc)
-               CWARN("Error adding the req_history file\n");
+       debugfs_create_file("req_history", 0400, svc->srv_debugfs_entry, svc,
+                           &req_history_fops);
 }
 
 void ptlrpc_lprocfs_register_obd(struct obd_device *obddev)