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Message-ID: <1397757955.3104.11.camel@joe-AO725>
Date: Thu, 17 Apr 2014 11:05:55 -0700
From: Joe Perches <joe@...ches.com>
To: Tejun Heo <tj@...nel.org>
Cc: Jianyu Zhan <nasa4836@...il.com>, lizefan@...wei.com,
containers@...ts.linux-foundation.org, cgroups@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] cgroup: Use more current logging style
Use pr_fmt and remove embedded prefixes.
Realign modified multi-line statements to open parenthesis.
Convert embedded function name to "%s: ", __func__
Signed-off-by: Joe Perches <joe@...ches.com>
---
On Thu, 2014-04-17 at 11:38 -0400, Tejun Heo wrote:
> Rolled 1-3 to the pending patchset.
Perhaps something like this on top of the modified patches
after being applied to -next.
There was 1 trivial patch conflict on the Jianyu's patch 3/3
kernel/cgroup.c | 32 +++++++++++++++++---------------
1 file changed, 17 insertions(+), 15 deletions(-)
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 21a656e..5e6f193 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -26,6 +26,8 @@
* distribution for more details.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/cgroup.h>
#include <linux/cred.h>
#include <linux/ctype.h>
@@ -1017,9 +1019,9 @@ static int rebind_subsystems(struct cgroup_root *dst_root,
* Just warn about it and continue.
*/
if (cgrp_dfl_root_visible) {
- pr_warn("cgroup: failed to create files (%d) while rebinding 0x%lx to default root\n",
- ret, ss_mask);
- pr_warn("cgroup: you may retry by moving them to a different hierarchy and unbinding\n");
+ pr_warn("failed to create files (%d) while rebinding 0x%lx to default root\n",
+ ret, ss_mask);
+ pr_warn("you may retry by moving them to a different hierarchy and unbinding\n");
}
}
@@ -1210,12 +1212,12 @@ static int parse_cgroupfs_options(char *data, struct cgroup_sb_opts *opts)
/* Consistency checks */
if (opts->flags & CGRP_ROOT_SANE_BEHAVIOR) {
- pr_warn("cgroup: sane_behavior: this is still under development and its behaviors will change, proceed at your own risk\n");
+ pr_warn("sane_behavior: this is still under development and its behaviors will change, proceed at your own risk\n");
if ((opts->flags & (CGRP_ROOT_NOPREFIX | CGRP_ROOT_XATTR)) ||
opts->cpuset_clone_children || opts->release_agent ||
opts->name) {
- pr_err("cgroup: sane_behavior: noprefix, xattr, clone_children, release_agent and name are not allowed\n");
+ pr_err("sane_behavior: noprefix, xattr, clone_children, release_agent and name are not allowed\n");
return -EINVAL;
}
} else {
@@ -1261,7 +1263,7 @@ static int cgroup_remount(struct kernfs_root *kf_root, int *flags, char *data)
unsigned long added_mask, removed_mask;
if (root->flags & CGRP_ROOT_SANE_BEHAVIOR) {
- pr_err("cgroup: sane_behavior: remount is not allowed\n");
+ pr_err("sane_behavior: remount is not allowed\n");
return -EINVAL;
}
@@ -1274,7 +1276,7 @@ static int cgroup_remount(struct kernfs_root *kf_root, int *flags, char *data)
goto out_unlock;
if (opts.subsys_mask != root->cgrp.subsys_mask || opts.release_agent)
- pr_warn("cgroup: option changes via remount are deprecated (pid=%d comm=%s)\n",
+ pr_warn("option changes via remount are deprecated (pid=%d comm=%s)\n",
task_tgid_nr(current), current->comm);
added_mask = opts.subsys_mask & ~root->cgrp.subsys_mask;
@@ -1283,7 +1285,7 @@ static int cgroup_remount(struct kernfs_root *kf_root, int *flags, char *data)
/* Don't allow flags or name to change at remount */
if (((opts.flags ^ root->flags) & CGRP_ROOT_OPTION_MASK) ||
(opts.name && strcmp(opts.name, root->name))) {
- pr_err("cgroup: option or name mismatch, new: 0x%lx \"%s\", old: 0x%lx \"%s\"\n",
+ pr_err("option or name mismatch, new: 0x%lx \"%s\", old: 0x%lx \"%s\"\n",
opts.flags & CGRP_ROOT_OPTION_MASK, opts.name ?: "",
root->flags & CGRP_ROOT_OPTION_MASK, root->name);
ret = -EINVAL;
@@ -1544,11 +1546,11 @@ retry:
if ((root->flags ^ opts.flags) & CGRP_ROOT_OPTION_MASK) {
if ((root->flags | opts.flags) & CGRP_ROOT_SANE_BEHAVIOR) {
- pr_err("cgroup: sane_behavior: new mount options should match the existing superblock\n");
+ pr_err("sane_behavior: new mount options should match the existing superblock\n");
ret = -EINVAL;
goto out_unlock;
} else {
- pr_warn("cgroup: new mount options do not match the existing superblock, will be ignored\n");
+ pr_warn("new mount options do not match the existing superblock, will be ignored\n");
}
}
@@ -2415,8 +2417,8 @@ static int cgroup_addrm_files(struct cgroup *cgrp, struct cftype cfts[],
if (is_add) {
ret = cgroup_add_file(cgrp, cft);
if (ret) {
- pr_warn("cgroup_addrm_files: failed to add %s, err=%d\n",
- cft->name, ret);
+ pr_warn("%s: failed to add %s, err=%d\n",
+ __func__, cft->name, ret);
return ret;
}
} else {
@@ -3666,10 +3668,10 @@ static int create_css(struct cgroup *cgrp, struct cgroup_subsys *ss)
if (ss->broken_hierarchy && !ss->warned_broken_hierarchy &&
parent->parent) {
- pr_warn("cgroup: %s (%d) created nested cgroup for controller \"%s\" which has incomplete hierarchy support. Nested cgroups may change behavior in the future.\n",
- current->comm, current->pid, ss->name);
+ pr_warn("%s (%d) created nested cgroup for controller \"%s\" which has incomplete hierarchy support. Nested cgroups may change behavior in the future.\n",
+ current->comm, current->pid, ss->name);
if (!strcmp(ss->name, "memory"))
- pr_warn("cgroup: \"memory\" requires setting use_hierarchy to 1 on the root.\n");
+ pr_warn("\"memory\" requires setting use_hierarchy to 1 on the root\n");
ss->warned_broken_hierarchy = true;
}
--
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