From b8d9f95d3a5dc83f315d5a8e3f92c1cc599f671e Mon Sep 17 00:00:00 2001
From: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Date: Thu, 28 Jul 2005 21:16:15 -0700
Subject: [PATCH] --- yaml --- r: 5412 b: refs/heads/master c:
 a2d76bd8fa29f9b6dbf3ee8f6bc7bdda21bc5ce8 h: refs/heads/master v: v3

---
 [refs]                             |  2 +-
 trunk/arch/um/os-Linux/user_syms.c |  3 +++
 trunk/fs/hostfs/hostfs.h           |  1 +
 trunk/fs/hostfs/hostfs_kern.c      |  2 +-
 trunk/fs/hostfs/hostfs_user.c      | 16 +++++++++++++++-
 5 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/[refs] b/[refs]
index 58713d99aa35..220c9e1e590a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 30f417c65e151dc96998a8ef721149a43998bc65
+refs/heads/master: a2d76bd8fa29f9b6dbf3ee8f6bc7bdda21bc5ce8
diff --git a/trunk/arch/um/os-Linux/user_syms.c b/trunk/arch/um/os-Linux/user_syms.c
index 75d7af9ae1d2..56d3f870926b 100644
--- a/trunk/arch/um/os-Linux/user_syms.c
+++ b/trunk/arch/um/os-Linux/user_syms.c
@@ -83,6 +83,9 @@ EXPORT_SYMBOL_PROTO(statfs64);
 
 EXPORT_SYMBOL_PROTO(getuid);
 
+EXPORT_SYMBOL_PROTO(fsync);
+EXPORT_SYMBOL_PROTO(fdatasync);
+
 /*
  * Overrides for Emacs so that we follow Linus's tabbing style.
  * Emacs will notice this stuff at the end of the file and automatically
diff --git a/trunk/fs/hostfs/hostfs.h b/trunk/fs/hostfs/hostfs.h
index c1516d013bf6..67bca0d4a33b 100644
--- a/trunk/fs/hostfs/hostfs.h
+++ b/trunk/fs/hostfs/hostfs.h
@@ -69,6 +69,7 @@ extern int read_file(int fd, unsigned long long *offset, char *buf, int len);
 extern int write_file(int fd, unsigned long long *offset, const char *buf,
 		      int len);
 extern int lseek_file(int fd, long long offset, int whence);
+extern int fsync_file(int fd, int datasync);
 extern int file_create(char *name, int ur, int uw, int ux, int gr,
 		       int gw, int gx, int or, int ow, int ox);
 extern int set_attr(const char *file, struct hostfs_iattr *attrs);
diff --git a/trunk/fs/hostfs/hostfs_kern.c b/trunk/fs/hostfs/hostfs_kern.c
index 88e68caa3784..b2d18200a003 100644
--- a/trunk/fs/hostfs/hostfs_kern.c
+++ b/trunk/fs/hostfs/hostfs_kern.c
@@ -382,7 +382,7 @@ int hostfs_file_open(struct inode *ino, struct file *file)
 
 int hostfs_fsync(struct file *file, struct dentry *dentry, int datasync)
 {
-	return(0);
+	return fsync_file(HOSTFS_I(dentry->d_inode)->fd, datasync);
 }
 
 static struct file_operations hostfs_file_fops = {
diff --git a/trunk/fs/hostfs/hostfs_user.c b/trunk/fs/hostfs/hostfs_user.c
index 4796e8490f7d..b97809deba66 100644
--- a/trunk/fs/hostfs/hostfs_user.c
+++ b/trunk/fs/hostfs/hostfs_user.c
@@ -153,10 +153,24 @@ int lseek_file(int fd, long long offset, int whence)
 	int ret;
 
 	ret = lseek64(fd, offset, whence);
-	if(ret < 0) return(-errno);
+	if(ret < 0)
+		return(-errno);
 	return(0);
 }
 
+int fsync_file(int fd, int datasync)
+{
+	int ret;
+	if (datasync)
+		ret = fdatasync(fd);
+	else
+		ret = fsync(fd);
+
+	if (ret < 0)
+		return -errno;
+	return 0;
+}
+
 void close_file(void *stream)
 {
 	close(*((int *) stream));