From edac65eaf8d5c00b1d6004a44e76b9de6b038dc6 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 25 Jan 2015 14:36:18 -0500 Subject: [PATCH] debugfs: take mode-dependent parts of debugfs_get_inode() into callers ... and trim the arguments list Signed-off-by: Al Viro --- fs/debugfs/inode.c | 48 ++++++++++++++++------------------------------ 1 file changed, 16 insertions(+), 32 deletions(-) diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index b765c04eba20..61e9a6815a19 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -34,37 +34,12 @@ static struct vfsmount *debugfs_mount; static int debugfs_mount_count; static bool debugfs_registered; -static struct inode *debugfs_get_inode(struct super_block *sb, umode_t mode, dev_t dev, - void *data, const struct file_operations *fops) - +static struct inode *debugfs_get_inode(struct super_block *sb) { struct inode *inode = new_inode(sb); - if (inode) { inode->i_ino = get_next_ino(); - inode->i_mode = mode; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; - switch (mode & S_IFMT) { - default: - init_special_inode(inode, mode, dev); - break; - case S_IFREG: - inode->i_fop = fops ? fops : &debugfs_file_operations; - inode->i_private = data; - break; - case S_IFLNK: - inode->i_op = &debugfs_link_operations; - inode->i_private = data; - break; - case S_IFDIR: - inode->i_op = &simple_dir_inode_operations; - inode->i_fop = &simple_dir_operations; - - /* directory inodes start off with i_nlink == 2 - * (for "." entry) */ - inc_nlink(inode); - break; - } } return inode; } @@ -334,10 +309,13 @@ struct dentry *debugfs_create_file(const char *name, umode_t mode, if (IS_ERR(dentry)) return NULL; - inode = debugfs_get_inode(dentry->d_sb, mode, 0, data, fops); + inode = debugfs_get_inode(dentry->d_sb); if (unlikely(!inode)) return end_creating(dentry, -ENOMEM); + inode->i_mode = mode; + inode->i_fop = fops ? fops : &debugfs_file_operations; + inode->i_private = data; d_instantiate(dentry, inode); dget(dentry); fsnotify_create(dentry->d_parent->d_inode, dentry); @@ -371,12 +349,16 @@ struct dentry *debugfs_create_dir(const char *name, struct dentry *parent) if (IS_ERR(dentry)) return NULL; - inode = debugfs_get_inode(dentry->d_sb, - S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO, - 0, NULL, NULL); + inode = debugfs_get_inode(dentry->d_sb); if (unlikely(!inode)) return end_creating(dentry, -ENOMEM); + inode->i_mode = S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO; + inode->i_op = &simple_dir_inode_operations; + inode->i_fop = &simple_dir_operations; + + /* directory inodes start off with i_nlink == 2 (for "." entry) */ + inc_nlink(inode); d_instantiate(dentry, inode); dget(dentry); inc_nlink(dentry->d_parent->d_inode); @@ -423,12 +405,14 @@ struct dentry *debugfs_create_symlink(const char *name, struct dentry *parent, return NULL; } - inode = debugfs_get_inode(dentry->d_sb, S_IFLNK | S_IRWXUGO, 0, - link, NULL); + inode = debugfs_get_inode(dentry->d_sb); if (unlikely(!inode)) { kfree(link); return end_creating(dentry, -ENOMEM); } + inode->i_mode = S_IFLNK | S_IRWXUGO; + inode->i_op = &debugfs_link_operations; + inode->i_private = link; d_instantiate(dentry, inode); dget(dentry); return end_creating(dentry, 0);