diff options
| author | Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> | 2005-07-28 21:16:15 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-07-28 21:46:05 -0700 |
| commit | a2d76bd8fa29f9b6dbf3ee8f6bc7bdda21bc5ce8 (patch) | |
| tree | 88387f513bb2c09b7195117b1d7bbf389dab5d52 | |
| parent | 30f417c65e151dc96998a8ef721149a43998bc65 (diff) | |
| download | linux-a2d76bd8fa29f9b6dbf3ee8f6bc7bdda21bc5ce8.tar.bz2 | |
[PATCH] uml: implement hostfs syncing
Actually implement the hostfs "sync" method.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Cc: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/um/os-Linux/user_syms.c | 3 | ||||
| -rw-r--r-- | fs/hostfs/hostfs.h | 1 | ||||
| -rw-r--r-- | fs/hostfs/hostfs_kern.c | 2 | ||||
| -rw-r--r-- | 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 index 75d7af9ae1d2..56d3f870926b 100644 --- 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 index c1516d013bf6..67bca0d4a33b 100644 --- a/fs/hostfs/hostfs.h +++ b/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/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index 88e68caa3784..b2d18200a003 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/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/fs/hostfs/hostfs_user.c b/fs/hostfs/hostfs_user.c index 4796e8490f7d..b97809deba66 100644 --- 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 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)); |