1 /* 2 * linux/fs/ufs/file.c 3 * 4 * Copyright (C) 1998 5 * Daniel Pirkl <daniel.pirkl@email.cz> 6 * Charles University, Faculty of Mathematics and Physics 7 * 8 * from 9 * 10 * linux/fs/ext2/file.c 11 * 12 * Copyright (C) 1992, 1993, 1994, 1995 13 * Remy Card (card@masi.ibp.fr) 14 * Laboratoire MASI - Institut Blaise Pascal 15 * Universite Pierre et Marie Curie (Paris VI) 16 * 17 * from 18 * 19 * linux/fs/minix/file.c 20 * 21 * Copyright (C) 1991, 1992 Linus Torvalds 22 * 23 * ext2 fs regular file handling primitives 24 */ 25 26 #include <linux/fs.h> 27 #include <linux/ufs_fs.h> 28 #include <linux/buffer_head.h> /* for sync_mapping_buffers() */ 29 30 static int ufs_sync_file(struct file *file, struct dentry *dentry, int datasync) 31 { 32 struct inode *inode = dentry->d_inode; 33 int err; 34 int ret; 35 36 ret = sync_mapping_buffers(inode->i_mapping); 37 if (!(inode->i_state & I_DIRTY)) 38 return ret; 39 if (datasync && !(inode->i_state & I_DIRTY_DATASYNC)) 40 return ret; 41 42 err = ufs_sync_inode(inode); 43 if (ret == 0) 44 ret = err; 45 return ret; 46 } 47 48 49 /* 50 * We have mostly NULL's here: the current defaults are ok for 51 * the ufs filesystem. 52 */ 53 54 const struct file_operations ufs_file_operations = { 55 .llseek = generic_file_llseek, 56 .read = do_sync_read, 57 .aio_read = generic_file_aio_read, 58 .write = do_sync_write, 59 .aio_write = generic_file_aio_write, 60 .mmap = generic_file_mmap, 61 .open = generic_file_open, 62 .fsync = ufs_sync_file, 63 .sendfile = generic_file_sendfile, 64 }; 65