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debugfs: kill __create_file() 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2015-01-25 14:02:31 -05:00
parent 190afd81e4
commit ad5abd5ba8
1 changed files with 33 additions and 38 deletions
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71
fs/debugfs/inode.c
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@ -348,30 +348,6 @@ static struct dentry *end_creating(struct dentry *dentry, int error)
return dentry;
}
static struct dentry *__create_file(const char *name, umode_t mode,
struct dentry *parent, void *data,
const struct file_operations *fops)
{
struct dentry *dentry = start_creating(name, parent);
int error;
if (IS_ERR(dentry))
return NULL;
switch (mode & S_IFMT) {
case S_IFDIR:
error = debugfs_mkdir(dentry, mode);
break;
case S_IFLNK:
error = debugfs_link(dentry, mode, data);
break;
default:
error = debugfs_create(dentry, mode, data, fops);
break;
}
return end_creating(dentry, error);
}
/**
* debugfs_create_file - create a file in the debugfs filesystem
* @name: a pointer to a string containing the name of the file to create.
@ -402,15 +378,19 @@ struct dentry *debugfs_create_file(const char *name, umode_t mode,
struct dentry *parent, void *data,
const struct file_operations *fops)
{
switch (mode & S_IFMT) {
case S_IFREG:
case 0:
break;
default:
BUG();
}
struct dentry *dentry;
int error;
return __create_file(name, mode, parent, data, fops);
if (!(mode & S_IFMT))
mode |= S_IFREG;
BUG_ON(!S_ISREG(mode));
dentry = start_creating(name, parent);
if (IS_ERR(dentry))
return NULL;
error = debugfs_create(dentry, mode, data, fops);
return end_creating(dentry, error);
}
EXPORT_SYMBOL_GPL(debugfs_create_file);
@ -434,8 +414,14 @@ EXPORT_SYMBOL_GPL(debugfs_create_file);
*/
struct dentry *debugfs_create_dir(const char *name, struct dentry *parent)
{
return __create_file(name, S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO,
parent, NULL, NULL);
struct dentry *dentry = start_creating(name, parent);
int error;
if (IS_ERR(dentry))
return NULL;
error = debugfs_mkdir(dentry, S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO);
return end_creating(dentry, error);
}
EXPORT_SYMBOL_GPL(debugfs_create_dir);
@ -465,17 +451,26 @@ EXPORT_SYMBOL_GPL(debugfs_create_dir);
struct dentry *debugfs_create_symlink(const char *name, struct dentry *parent,
const char *target)
{
struct dentry *result;
struct dentry *dentry;
char *link;
int error;
link = kstrdup(target, GFP_KERNEL);
if (!link)
return NULL;
result = __create_file(name, S_IFLNK | S_IRWXUGO, parent, link, NULL);
if (!result)
dentry = start_creating(name, parent);
if (IS_ERR(dentry)) {
kfree(link);
return result;
return NULL;
}
error = debugfs_link(dentry, S_IFLNK | S_IRWXUGO, link);
if (error)
kfree(link);
return end_creating(dentry, error);
}
EXPORT_SYMBOL_GPL(debugfs_create_symlink);