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Message-Id: <1500616793-21569-2-git-send-email-arvind.yadav.cs@gmail.com>
Date: Fri, 21 Jul 2017 11:29:51 +0530
From: Arvind Yadav <arvind.yadav.cs@...il.com>
To: oleg.drokin@...el.com, andreas.dilger@...el.com,
jsimmons@...radead.org, gregkh@...uxfoundation.org,
di.wang@...el.com
Cc: lustre-devel@...ts.lustre.org, devel@...verdev.osuosl.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v3 1/3] staging: lustre: constify attribute_group structures.
attribute_groups are not supposed to change at runtime. All functions
working with attribute_groups provided by <linux/sysfs.h> work
with const attribute_group. So mark the non-const structs as const.
File size before:
text data bss dec hex filename
9489 992 40 10521 2919 lustre/lustre/osc/lproc_osc.o
1289 288 0 1577 629 lustre/lustre/lmv/lproc_lmv.o
3794 928 40 4762 129a lustre/lustre/lov/lproc_lov.o
3802 576 40 4418 1142 lustre/lustre/mdc/lproc_mdc.o
File size After adding 'const':
text data bss dec hex filename
9553 928 40 10521 2919 lustre/lustre/osc/lproc_osc.o
1353 224 0 1577 629 lustre/lustre/lmv/lproc_lmv.o
3858 864 40 4762 129a lustre/lustre/lov/lproc_lov.o
3866 512 40 4418 1142 lustre/lustre/mdc/lproc_mdc.o
Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
Changes in v2:
Fix kbuild error: conflicting types for 'lprocfs_obd_setup'.
By changing protype of 'lprocfs_obd_setup'.
Changes in v3:
typo error in cover-latter.
drivers/staging/lustre/lustre/include/lprocfs_status.h | 4 ++--
drivers/staging/lustre/lustre/lmv/lproc_lmv.c | 2 +-
drivers/staging/lustre/lustre/lov/lproc_lov.c | 2 +-
drivers/staging/lustre/lustre/mdc/lproc_mdc.c | 2 +-
drivers/staging/lustre/lustre/obdclass/lprocfs_status.c | 2 +-
drivers/staging/lustre/lustre/osc/lproc_osc.c | 2 +-
6 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/staging/lustre/lustre/include/lprocfs_status.h b/drivers/staging/lustre/lustre/include/lprocfs_status.h
index 915283c..9054d37 100644
--- a/drivers/staging/lustre/lustre/include/lprocfs_status.h
+++ b/drivers/staging/lustre/lustre/include/lprocfs_status.h
@@ -59,7 +59,7 @@ struct lprocfs_vars {
struct lprocfs_static_vars {
struct lprocfs_vars *obd_vars;
- struct attribute_group *sysfs_vars;
+ const struct attribute_group *sysfs_vars;
};
/* if we find more consumers this could be generalized */
@@ -468,7 +468,7 @@ struct dentry *ldebugfs_register(const char *name,
void ldebugfs_remove(struct dentry **entryp);
int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list,
- struct attribute_group *attrs);
+ const struct attribute_group *attrs);
int lprocfs_obd_cleanup(struct obd_device *obd);
int ldebugfs_seq_create(struct dentry *parent,
diff --git a/drivers/staging/lustre/lustre/lmv/lproc_lmv.c b/drivers/staging/lustre/lustre/lmv/lproc_lmv.c
index bf25f88..4c13e39 100644
--- a/drivers/staging/lustre/lustre/lmv/lproc_lmv.c
+++ b/drivers/staging/lustre/lustre/lmv/lproc_lmv.c
@@ -161,7 +161,7 @@ static int lmv_target_seq_open(struct inode *inode, struct file *file)
NULL,
};
-static struct attribute_group lmv_attr_group = {
+static const struct attribute_group lmv_attr_group = {
.attrs = lmv_attrs,
};
diff --git a/drivers/staging/lustre/lustre/lov/lproc_lov.c b/drivers/staging/lustre/lustre/lov/lproc_lov.c
index eb6d30d..ce46821 100644
--- a/drivers/staging/lustre/lustre/lov/lproc_lov.c
+++ b/drivers/staging/lustre/lustre/lov/lproc_lov.c
@@ -279,7 +279,7 @@ static int lov_target_seq_open(struct inode *inode, struct file *file)
NULL,
};
-static struct attribute_group lov_attr_group = {
+static const struct attribute_group lov_attr_group = {
.attrs = lov_attrs,
};
diff --git a/drivers/staging/lustre/lustre/mdc/lproc_mdc.c b/drivers/staging/lustre/lustre/mdc/lproc_mdc.c
index 9021c46..9fea535 100644
--- a/drivers/staging/lustre/lustre/mdc/lproc_mdc.c
+++ b/drivers/staging/lustre/lustre/mdc/lproc_mdc.c
@@ -219,7 +219,7 @@ static ssize_t max_pages_per_rpc_show(struct kobject *kobj,
NULL,
};
-static struct attribute_group mdc_attr_group = {
+static const struct attribute_group mdc_attr_group = {
.attrs = mdc_attrs,
};
diff --git a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
index bc19f19..ba41983 100644
--- a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
+++ b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
@@ -1031,7 +1031,7 @@ static void obd_sysfs_release(struct kobject *kobj)
};
int lprocfs_obd_setup(struct obd_device *obd, struct lprocfs_vars *list,
- struct attribute_group *attrs)
+ const struct attribute_group *attrs)
{
int rc = 0;
diff --git a/drivers/staging/lustre/lustre/osc/lproc_osc.c b/drivers/staging/lustre/lustre/osc/lproc_osc.c
index 86f252d..6e0fd15 100644
--- a/drivers/staging/lustre/lustre/osc/lproc_osc.c
+++ b/drivers/staging/lustre/lustre/osc/lproc_osc.c
@@ -831,7 +831,7 @@ int lproc_osc_attach_seqstat(struct obd_device *dev)
NULL,
};
-static struct attribute_group osc_attr_group = {
+static const struct attribute_group osc_attr_group = {
.attrs = osc_attrs,
};
--
1.9.1
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