5 * Copyright (C) 1991, 1992 Linus Torvalds
8 * Copyright (C) 1993 Pascal Haible, Bruno Haible
11 * Copyright (C) 1993 Bruno Haible
13 * SystemV/Coherent regular file handling primitives
19 * We have mostly NULLs here: the current defaults are OK for
22 const struct file_operations sysv_file_operations = {
23 .llseek = generic_file_llseek,
25 .aio_read = generic_file_aio_read,
26 .write = do_sync_write,
27 .aio_write = generic_file_aio_write,
28 .mmap = generic_file_mmap,
29 .fsync = generic_file_fsync,
30 .splice_read = generic_file_splice_read,
33 static int sysv_setattr(struct dentry *dentry, struct iattr *attr)
35 struct inode *inode = dentry->d_inode;
38 error = inode_change_ok(inode, attr);
42 if ((attr->ia_valid & ATTR_SIZE) &&
43 attr->ia_size != i_size_read(inode)) {
44 error = vmtruncate(inode, attr->ia_size);
49 setattr_copy(inode, attr);
50 mark_inode_dirty(inode);
54 const struct inode_operations sysv_file_inode_operations = {
55 .truncate = sysv_truncate,
56 .setattr = sysv_setattr,
57 .getattr = sysv_getattr,