tree 88387f513bb2c09b7195117b1d7bbf389dab5d52
parent 30f417c65e151dc96998a8ef721149a43998bc65
author Paolo 'Blaisorblade' Giarrusso <[EMAIL PROTECTED]> Fri, 29 Jul 2005
11:16:15 -0700
committer Linus Torvalds <[EMAIL PROTECTED]> Fri, 29 Jul 2005 11:46:05 -0700
[PATCH] uml: implement hostfs syncing
Actually implement the hostfs "sync" method.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[EMAIL PROTECTED]>
Cc: Jeff Dike <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
arch/um/os-Linux/user_syms.c | 3 +++
fs/hostfs/hostfs.h | 1 +
fs/hostfs/hostfs_kern.c | 2 +-
fs/hostfs/hostfs_user.c | 16 +++++++++++++++-
4 files changed, 20 insertions(+), 2 deletions(-)
diff --git a/arch/um/os-Linux/user_syms.c b/arch/um/os-Linux/user_syms.c
--- a/arch/um/os-Linux/user_syms.c
+++ b/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/fs/hostfs/hostfs.h b/fs/hostfs/hostfs.h
--- a/fs/hostfs/hostfs.h
+++ b/fs/hostfs/hostfs.h
@@ -69,6 +69,7 @@ extern int read_file(int fd, unsigned lo
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/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -382,7 +382,7 @@ int hostfs_file_open(struct inode *ino,
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/fs/hostfs/hostfs_user.c b/fs/hostfs/hostfs_user.c
--- a/fs/hostfs/hostfs_user.c
+++ b/fs/hostfs/hostfs_user.c
@@ -153,10 +153,24 @@ int lseek_file(int fd, long long offset,
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));
-
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