/* * linux/fs/minix/file.c * * Copyright (C) 1991, 1992 Linus Torvalds * * minix regular file handling primitives */ #include <linux/buffer_head.h> /* for fsync_inode_buffers() */ #include "minix.h" /* * We have mostly NULLs here: the current defaults are OK for * the minix filesystem. */ int minix_sync_file(struct file *, struct dentry *, int); const struct file_operations minix_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, .fsync = minix_sync_file, .splice_read = generic_file_splice_read, }; const struct inode_operations minix_file_inode_operations = { .truncate = minix_truncate, .getattr = minix_getattr, }; int minix_sync_file(struct file * file, struct dentry *dentry, int datasync) { struct inode *inode = dentry->d_inode; int err; err = sync_mapping_buffers(inode->i_mapping); if (!(inode->i_state & I_DIRTY)) return err; if (datasync && !(inode->i_state & I_DIRTY_DATASYNC)) return err; err |= minix_sync_inode(inode); return err ? -EIO : 0; }