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authorAl Viro <viro@zeniv.linux.org.uk>2009-06-08 01:22:00 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2009-06-11 21:36:14 -0400
commitc475879556a8602bbe2faa9a06f6e5fcc8c05bb2 (patch)
tree9d7e4882a08171d1ff1b84e3f02d3e604756815b
parent4427f0c36e22e2cd6696b2fe7643e9756a14b3d3 (diff)
downloadop-kernel-dev-c475879556a8602bbe2faa9a06f6e5fcc8c05bb2.zip
op-kernel-dev-c475879556a8602bbe2faa9a06f6e5fcc8c05bb2.tar.gz
sanitize ->fsync() for affs
unfortunately, for affs (especially for affs directories) we have no real way to keep track of metadata ownership. So we have to do more or less what file_fsync() does, but we do *not* need to call write_super() there. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--fs/affs/affs.h1
-rw-r--r--fs/affs/dir.c2
-rw-r--r--fs/affs/file.c14
3 files changed, 15 insertions, 2 deletions
diff --git a/fs/affs/affs.h b/fs/affs/affs.h
index 1a2d5e3..e511dc6 100644
--- a/fs/affs/affs.h
+++ b/fs/affs/affs.h
@@ -182,6 +182,7 @@ extern int affs_add_entry(struct inode *dir, struct inode *inode, struct dent
void affs_free_prealloc(struct inode *inode);
extern void affs_truncate(struct inode *);
+int affs_file_fsync(struct file *, struct dentry *, int);
/* dir.c */
diff --git a/fs/affs/dir.c b/fs/affs/dir.c
index 7b36904..8ca8f3a 100644
--- a/fs/affs/dir.c
+++ b/fs/affs/dir.c
@@ -21,7 +21,7 @@ const struct file_operations affs_dir_operations = {
.read = generic_read_dir,
.llseek = generic_file_llseek,
.readdir = affs_readdir,
- .fsync = file_fsync,
+ .fsync = affs_file_fsync,
};
/*
diff --git a/fs/affs/file.c b/fs/affs/file.c
index 9246cb4..184e55c 100644
--- a/fs/affs/file.c
+++ b/fs/affs/file.c
@@ -34,7 +34,7 @@ const struct file_operations affs_file_operations = {
.mmap = generic_file_mmap,
.open = affs_file_open,
.release = affs_file_release,
- .fsync = file_fsync,
+ .fsync = affs_file_fsync,
.splice_read = generic_file_splice_read,
};
@@ -915,3 +915,15 @@ affs_truncate(struct inode *inode)
}
affs_free_prealloc(inode);
}
+
+int affs_file_fsync(struct file *filp, struct dentry *dentry, int datasync)
+{
+ struct inode * inode = dentry->d_inode;
+ int ret, err;
+
+ ret = write_inode_now(inode, 0);
+ err = sync_blockdev(inode->i_sb->s_bdev);
+ if (!ret)
+ ret = err;
+ return ret;
+}
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