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 = sysv_sync_file,
30 .sendfile = generic_file_sendfile,
33 const struct inode_operations sysv_file_inode_operations = {
34 .truncate = sysv_truncate,
35 .getattr = sysv_getattr,
38 int sysv_sync_file(struct file * file, struct dentry *dentry, int datasync)
40 struct inode *inode = dentry->d_inode;
43 err = sync_mapping_buffers(inode->i_mapping);
44 if (!(inode->i_state & I_DIRTY))
46 if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))
49 err |= sysv_sync_inode(inode);
50 return err ? -EIO : 0;