/* * linux/fs/ufs/file.c * * Copyright (C) 1998 * Daniel Pirkl <daniel.pirkl@email.cz> * Charles University, Faculty of Mathematics and Physics * * from * * linux/fs/ext2/file.c * * Copyright (C) 1992, 1993, 1994, 1995 * Remy Card (card@masi.ibp.fr) * Laboratoire MASI - Institut Blaise Pascal * Universite Pierre et Marie Curie (Paris VI) * * from * * linux/fs/minix/file.c * * Copyright (C) 1991, 1992 Linus Torvalds * * ext2 fs regular file handling primitives */ #include <linux/fs.h> #include <linux/ufs_fs.h> #include <linux/buffer_head.h> /* for sync_mapping_buffers() */ #include "ufs.h" static int ufs_sync_file(struct file *file, struct dentry *dentry, int datasync) { struct inode *inode = dentry->d_inode; int err; int ret; ret = sync_mapping_buffers(inode->i_mapping); if (!(inode->i_state & I_DIRTY)) return ret; if (datasync && !(inode->i_state & I_DIRTY_DATASYNC)) return ret; err = ufs_sync_inode(inode); if (ret == 0) ret = err; return ret; } /* * We have mostly NULL's here: the current defaults are ok for * the ufs filesystem. */ const struct file_operations ufs_file_operations = { .llseek = generic_file_llseek, .read = do_sync_read, .aio_read = generic_file_aio_read, .write = do_sync_write, .aio_write = generic_file_aio_write, .mmap = generic_file_mmap, .open = generic_file_open, .fsync = ufs_sync_file, .splice_read = generic_file_splice_read, };