Contributors: 13
	  
        
          | Author | 
          Tokens | 
          Token Proportion | 
          Commits | 
          Commit Proportion | 
        
	  
	  
        
        
          | Christoph Hellwig | 
          101 | 
          54.89% | 
          5 | 
          20.00% | 
        
        
          | Linus Torvalds (pre-git) | 
          24 | 
          13.04% | 
          5 | 
          20.00% | 
        
        
          | Marco Stornelli | 
          15 | 
          8.15% | 
          1 | 
          4.00% | 
        
        
          | Art Haas | 
          12 | 
          6.52% | 
          1 | 
          4.00% | 
        
        
          | Christian Brauner | 
          11 | 
          5.98% | 
          2 | 
          8.00% | 
        
        
          | Al Viro | 
          6 | 
          3.26% | 
          3 | 
          12.00% | 
        
        
          | Linus Torvalds | 
          3 | 
          1.63% | 
          1 | 
          4.00% | 
        
        
          | David Howells | 
          3 | 
          1.63% | 
          1 | 
          4.00% | 
        
        
          | Arjan van de Ven | 
          2 | 
          1.09% | 
          2 | 
          8.00% | 
        
        
          | Jan Kara | 
          2 | 
          1.09% | 
          1 | 
          4.00% | 
        
        
          | Jens Axboe | 
          2 | 
          1.09% | 
          1 | 
          4.00% | 
        
        
          | Badari Pulavarty | 
          2 | 
          1.09% | 
          1 | 
          4.00% | 
        
        
          | Greg Kroah-Hartman | 
          1 | 
          0.54% | 
          1 | 
          4.00% | 
        
	  
	  
        
          | Total | 
          184 | 
           | 
          25 | 
           | 
	    
	  
    
 
// SPDX-License-Identifier: GPL-2.0
/*
 *  linux/fs/sysv/file.c
 *
 *  minix/file.c
 *  Copyright (C) 1991, 1992  Linus Torvalds
 *
 *  coh/file.c
 *  Copyright (C) 1993  Pascal Haible, Bruno Haible
 *
 *  sysv/file.c
 *  Copyright (C) 1993  Bruno Haible
 *
 *  SystemV/Coherent regular file handling primitives
 */
#include "sysv.h"
/*
 * We have mostly NULLs here: the current defaults are OK for
 * the coh filesystem.
 */
const struct file_operations sysv_file_operations = {
	.llseek		= generic_file_llseek,
	.read_iter	= generic_file_read_iter,
	.write_iter	= generic_file_write_iter,
	.mmap		= generic_file_mmap,
	.fsync		= generic_file_fsync,
	.splice_read	= generic_file_splice_read,
};
static int sysv_setattr(struct user_namespace *mnt_userns,
			struct dentry *dentry, struct iattr *attr)
{
	struct inode *inode = d_inode(dentry);
	int error;
	error = setattr_prepare(&init_user_ns, dentry, attr);
	if (error)
		return error;
	if ((attr->ia_valid & ATTR_SIZE) &&
	    attr->ia_size != i_size_read(inode)) {
		error = inode_newsize_ok(inode, attr->ia_size);
		if (error)
			return error;
		truncate_setsize(inode, attr->ia_size);
		sysv_truncate(inode);
	}
	setattr_copy(&init_user_ns, inode, attr);
	mark_inode_dirty(inode);
	return 0;
}
const struct inode_operations sysv_file_inode_operations = {
	.setattr	= sysv_setattr,
	.getattr	= sysv_getattr,
};