add missing setattr methods

For the new truncate sequence every filesystem that wants to truncate on-disk
state needs a seattr method.  Convert the remaining filesystems that implement
the truncate inode operation to have its own setattr method.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 12 insertions, 0 deletions

diff --git a/fs/minix/file.c b/fs/minix/file.c
index d5320ff23faf..7a45dd1fe2e5 100644
--- a/fs/minix/file.c
+++ b/fs/minix/file.c
@@ -23,7 +23,19 @@ const struct file_operations minix_file_operations = {
 	.splice_read	= generic_file_splice_read,
 };
 
+static int minix_setattr(struct dentry *dentry, struct iattr *attr)
+{
+	struct inode *inode = dentry->d_inode;
+	int error;
+
+	error = inode_change_ok(inode, attr);
+	if (error)
+		return error;
+	return inode_setattr(inode, attr);
+}
+
 const struct inode_operations minix_file_inode_operations = {
 	.truncate	= minix_truncate,
+	.setattr	= minix_setattr,
 	.getattr	= minix_getattr,
 };