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authorDavid Howells <dhowells@redhat.com>2013-04-12 02:48:30 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2013-05-01 17:29:41 -0400
commit270b5ac2151707c25d3327722c5badfbd95945bc (patch)
tree27e07d1c8f531f8a817071bdb7f8c2ae5282886c /fs/proc/generic.c
parent34db8aaf0f95ffac407d39da22972b38da631db4 (diff)
downloadlinux-270b5ac2151707c25d3327722c5badfbd95945bc.tar.bz2
proc: Add proc_mkdir_data()
Add proc_mkdir_data() to allow procfs directories to be created that are annotated at the time of creation with private data rather than doing this post-creation. This means no access is then required to the proc_dir_entry struct to set this. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> cc: Neela Syam Kolli <megaraidlinux@lsi.com> cc: Jerry Chuang <jerry-chuang@realtek.com> cc: linux-scsi@vger.kernel.org cc: devel@driverdev.osuosl.org cc: linux-wireless@vger.kernel.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/proc/generic.c')
-rw-r--r--fs/proc/generic.c30
1 files changed, 12 insertions, 18 deletions
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 5f6f6c38701f..4074da57c99e 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -428,13 +428,17 @@ struct proc_dir_entry *proc_symlink(const char *name,
}
EXPORT_SYMBOL(proc_symlink);
-struct proc_dir_entry *proc_mkdir_mode(const char *name, umode_t mode,
- struct proc_dir_entry *parent)
+struct proc_dir_entry *proc_mkdir_data(const char *name, umode_t mode,
+ struct proc_dir_entry *parent, void *data)
{
struct proc_dir_entry *ent;
+ if (mode == 0)
+ mode = S_IRUGO | S_IXUGO;
+
ent = __proc_create(&parent, name, S_IFDIR | mode, 2);
if (ent) {
+ ent->data = data;
if (proc_register(parent, ent) < 0) {
kfree(ent);
ent = NULL;
@@ -442,29 +446,19 @@ struct proc_dir_entry *proc_mkdir_mode(const char *name, umode_t mode,
}
return ent;
}
-EXPORT_SYMBOL(proc_mkdir_mode);
+EXPORT_SYMBOL_GPL(proc_mkdir_data);
-struct proc_dir_entry *proc_net_mkdir(struct net *net, const char *name,
- struct proc_dir_entry *parent)
+struct proc_dir_entry *proc_mkdir_mode(const char *name, umode_t mode,
+ struct proc_dir_entry *parent)
{
- struct proc_dir_entry *ent;
-
- ent = __proc_create(&parent, name, S_IFDIR | S_IRUGO | S_IXUGO, 2);
- if (ent) {
- ent->data = net;
- if (proc_register(parent, ent) < 0) {
- kfree(ent);
- ent = NULL;
- }
- }
- return ent;
+ return proc_mkdir_data(name, mode, parent, NULL);
}
-EXPORT_SYMBOL_GPL(proc_net_mkdir);
+EXPORT_SYMBOL(proc_mkdir_mode);
struct proc_dir_entry *proc_mkdir(const char *name,
struct proc_dir_entry *parent)
{
- return proc_mkdir_mode(name, S_IRUGO | S_IXUGO, parent);
+ return proc_mkdir_data(name, 0, parent, NULL);
}
EXPORT_SYMBOL(proc_mkdir);