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configfs: configfs_create() init callback is never NULL and it never fails 

... so make it return void and drop the check for it being non-NULL

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2015-01-29 00:17:57 -05:00
parent dbca51ddb0
commit c88b1e70ae
3 changed files with 6 additions and 15 deletions
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2
fs/configfs/configfs_internal.h
View File

@ -69,7 +69,7 @@ extern struct kmem_cache *configfs_dir_cachep;
extern int configfs_is_root(struct config_item *item);
extern struct inode * configfs_new_inode(umode_t mode, struct configfs_dirent *, struct super_block *);
extern int configfs_create(struct dentry *, umode_t mode, int (*init)(struct inode *));
extern int configfs_create(struct dentry *, umode_t mode, void (*init)(struct inode *));
extern int configfs_create_file(struct config_item *, const struct configfs_attribute *);
extern int configfs_make_dirent(struct configfs_dirent *,

9
fs/configfs/dir.c
View File

@ -240,27 +240,24 @@ int configfs_make_dirent(struct configfs_dirent * parent_sd,
return 0;
}
static int init_dir(struct inode * inode)
static void init_dir(struct inode * inode)
{
inode->i_op = &configfs_dir_inode_operations;
inode->i_fop = &configfs_dir_operations;
/* directory inodes start off with i_nlink == 2 (for "." entry) */
inc_nlink(inode);
return 0;
}
static int configfs_init_file(struct inode * inode)
static void configfs_init_file(struct inode * inode)
{
inode->i_size = PAGE_SIZE;
inode->i_fop = &configfs_file_operations;
return 0;
}
static int init_symlink(struct inode * inode)
static void init_symlink(struct inode * inode)
{
inode->i_op = &configfs_symlink_inode_operations;
return 0;
}
static int create_dir(struct config_item *k, struct dentry *d)

10
fs/configfs/inode.c
View File

@ -176,7 +176,7 @@ static void configfs_set_inode_lock_class(struct configfs_dirent *sd,
#endif /* CONFIG_LOCKDEP */
int configfs_create(struct dentry * dentry, umode_t mode, int (*init)(struct inode *))
int configfs_create(struct dentry * dentry, umode_t mode, void (*init)(struct inode *))
{
int error = 0;
struct inode *inode = NULL;
@ -198,13 +198,7 @@ int configfs_create(struct dentry * dentry, umode_t mode, int (*init)(struct ino
p_inode->i_mtime = p_inode->i_ctime = CURRENT_TIME;
configfs_set_inode_lock_class(sd, inode);
if (init) {
error = init(inode);
if (error) {
iput(inode);
return error;
}
}
init(inode);
d_instantiate(dentry, inode);
if (S_ISDIR(mode) || S_ISLNK(mode))
dget(dentry); /* pin link and directory dentries in core */