[lustre-devel] [PATCH 06/13] staging: lustre: remove ldebugfs_add_simple() wrapper
Greg Kroah-Hartman
gregkh at linuxfoundation.org
Tue May 29 07:29:40 PDT 2018
It was only being called in one place, and is an unneeded wrapper
function around debugfs_create_file() so just call the real debugfs
function instead. This ends up cleaning up some unneeded error handling
logic that was never needed as well.
Cc: Oleg Drokin <oleg.drokin at intel.com>
Cc: Andreas Dilger <andreas.dilger at intel.com>
Cc: James Simmons <jsimmons at infradead.org>
Cc: Quentin Bouget <quentin.bouget at cea.fr>
Cc: Ben Evans <bevans at cray.com>
Cc: NeilBrown <neilb at suse.com>
Cc: Arvind Yadav <arvind.yadav.cs at gmail.com>
Cc: Arushi Singhal <arushisinghal19971997 at gmail.com>
Cc: Dafna Hirschfeld <dafna3 at gmail.com>
Cc: Mathias Rav <mathiasrav at gmail.com>
Cc: "Gustavo A. R. Silva" <garsilva at embeddedor.com>
Cc: lustre-devel at lists.lustre.org
Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
.../lustre/lustre/include/lprocfs_status.h | 5 -----
drivers/staging/lustre/lustre/lov/lov_pool.c | 21 +++++--------------
.../lustre/lustre/obdclass/lprocfs_status.c | 19 -----------------
3 files changed, 5 insertions(+), 40 deletions(-)
diff --git a/drivers/staging/lustre/lustre/include/lprocfs_status.h b/drivers/staging/lustre/lustre/include/lprocfs_status.h
index 1322ecffda13..9eac7dac8c7b 100644
--- a/drivers/staging/lustre/lustre/include/lprocfs_status.h
+++ b/drivers/staging/lustre/lustre/include/lprocfs_status.h
@@ -447,11 +447,6 @@ void lprocfs_counter_init(struct lprocfs_stats *stats, int index,
const char *units);
struct obd_export;
int lprocfs_exp_cleanup(struct obd_export *exp);
-struct dentry *ldebugfs_add_simple(struct dentry *root,
- char *name,
- void *data,
- const struct file_operations *fops);
-
int ldebugfs_register_stats(struct dentry *parent,
const char *name,
struct lprocfs_stats *stats);
diff --git a/drivers/staging/lustre/lustre/lov/lov_pool.c b/drivers/staging/lustre/lustre/lov/lov_pool.c
index 6d2dec9266b6..9ce7038c9b0e 100644
--- a/drivers/staging/lustre/lustre/lov/lov_pool.c
+++ b/drivers/staging/lustre/lustre/lov/lov_pool.c
@@ -80,7 +80,6 @@ void lov_pool_putref(struct pool_desc *pool)
CDEBUG(D_INFO, "pool %p\n", pool);
if (atomic_dec_and_test(&pool->pool_refcount)) {
LASSERT(list_empty(&pool->pool_list));
- LASSERT(!pool->pool_debugfs_entry);
lov_ost_pool_free(&pool->pool_obds);
kfree_rcu(pool, rcu);
}
@@ -377,18 +376,11 @@ int lov_pool_new(struct obd_device *obd, char *poolname)
/* get ref for debugfs file */
lov_pool_getref(new_pool);
- new_pool->pool_debugfs_entry = ldebugfs_add_simple(
+
+ new_pool->pool_debugfs_entry = debugfs_create_file(poolname, 0444,
lov->lov_pool_debugfs_entry,
- poolname, new_pool,
+ new_pool,
&pool_proc_operations);
- if (IS_ERR_OR_NULL(new_pool->pool_debugfs_entry)) {
- CWARN("Cannot add debugfs pool entry " LOV_POOLNAMEF "\n",
- poolname);
- new_pool->pool_debugfs_entry = NULL;
- lov_pool_putref(new_pool);
- }
- CDEBUG(D_INFO, "pool %p - proc %p\n",
- new_pool, new_pool->pool_debugfs_entry);
spin_lock(&obd->obd_dev_lock);
list_add_tail(&new_pool->pool_list, &lov->lov_pool_list);
@@ -443,11 +435,8 @@ int lov_pool_del(struct obd_device *obd, char *poolname)
if (!pool)
return -ENOENT;
- if (!IS_ERR_OR_NULL(pool->pool_debugfs_entry)) {
- CDEBUG(D_INFO, "proc entry %p\n", pool->pool_debugfs_entry);
- ldebugfs_remove(&pool->pool_debugfs_entry);
- lov_pool_putref(pool);
- }
+ ldebugfs_remove(&pool->pool_debugfs_entry);
+ lov_pool_putref(pool);
spin_lock(&obd->obd_dev_lock);
list_del_init(&pool->pool_list);
diff --git a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
index c3f57b025f10..68e85f46a146 100644
--- a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
+++ b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
@@ -300,25 +300,6 @@ EXPORT_SYMBOL(lprocfs_seq_release);
/* lprocfs API calls */
-struct dentry *ldebugfs_add_simple(struct dentry *root,
- char *name, void *data,
- const struct file_operations *fops)
-{
- struct dentry *entry;
- umode_t mode = 0;
-
- if (!root || !name || !fops)
- return ERR_PTR(-EINVAL);
-
- if (fops->read)
- mode = 0444;
- if (fops->write)
- mode |= 0200;
- entry = debugfs_create_file(name, mode, root, data, fops);
- return entry;
-}
-EXPORT_SYMBOL_GPL(ldebugfs_add_simple);
-
static const struct file_operations lprocfs_generic_fops = { };
int ldebugfs_add_vars(struct dentry *parent,
--
2.17.0
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