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/*
* 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 <linux/fs.h>
#include <linux/sysv_fs.h>
/*
* We have mostly NULLs here: the current defaults are OK for
* the coh filesystem.
*/
struct file_operations sysv_file_operations = {
llseek: generic_file_llseek,
read: generic_file_read,
write: generic_file_write,
mmap: generic_file_mmap,
fsync: sysv_sync_file,
};
struct inode_operations sysv_file_inode_operations = {
truncate: sysv_truncate,
};
int sysv_sync_file(struct file * file, struct dentry *dentry, int datasync)
{
struct inode *inode = dentry->d_inode;
int err;
err = fsync_inode_buffers(inode);
err |= fsync_inode_data_buffers(inode);
if (!(inode->i_state & I_DIRTY))
return err;
if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))
return err;
err |= sysv_sync_inode(inode);
return err ? -EIO : 0;
}
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