diff options
| author | David Howells <dhowells@redhat.com> | 2013-04-12 02:48:30 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-05-01 17:29:41 -0400 |
| commit | 270b5ac2151707c25d3327722c5badfbd95945bc (patch) | |
| tree | 27e07d1c8f531f8a817071bdb7f8c2ae5282886c /fs | |
| parent | 34db8aaf0f95ffac407d39da22972b38da631db4 (diff) | |
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')
| -rw-r--r-- | fs/proc/generic.c | 30 | ||||
| -rw-r--r-- | fs/reiserfs/procfs.c | 3 |
2 files changed, 13 insertions, 20 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); diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c index 274adea363ff..07c2162ef556 100644 --- a/fs/reiserfs/procfs.c +++ b/fs/reiserfs/procfs.c @@ -479,9 +479,8 @@ int reiserfs_proc_info_init(struct super_block *sb) *s = '!'; spin_lock_init(&__PINFO(sb).lock); - REISERFS_SB(sb)->procdir = proc_mkdir(b, proc_info_root); + REISERFS_SB(sb)->procdir = proc_mkdir_data(b, 0, proc_info_root, sb); if (REISERFS_SB(sb)->procdir) { - REISERFS_SB(sb)->procdir->data = sb; add_file(sb, "version", show_version); add_file(sb, "super", show_super); add_file(sb, "per-level", show_per_level); |