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>

5 files changed, 60 insertions, 0 deletions

diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 88bf1b5..d6ebe53 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -290,9 +290,21 @@ static int hfsplus_file_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
+static int hfsplus_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);
+}
+
 static const struct inode_operations hfsplus_file_inode_operations = {
 	.lookup		= hfsplus_file_lookup,
 	.truncate	= hfsplus_file_truncate,
+	.setattr	= hfsplus_setattr,
 	.setxattr	= hfsplus_setxattr,
 	.getxattr	= hfsplus_getxattr,
 	.listxattr	= hfsplus_listxattr,
diff --git a/fs/minix/file.c b/fs/minix/file.c
index d5320ff..7a45dd1 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,
 };
diff --git a/fs/omfs/file.c b/fs/omfs/file.c
index 810cff3..78c9f0c 100644
--- a/fs/omfs/file.c
+++ b/fs/omfs/file.c
@@ -341,7 +341,19 @@ const struct file_operations omfs_file_operations = {
 	.splice_read = generic_file_splice_read,
 };
 
+static int omfs_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 omfs_file_inops = {
+	.setattr = omfs_setattr,
 	.truncate = omfs_truncate
 };
 
diff --git a/fs/sysv/file.c b/fs/sysv/file.c
index 750cc22..94f6319 100644
--- a/fs/sysv/file.c
+++ b/fs/sysv/file.c
@@ -30,7 +30,19 @@ const struct file_operations sysv_file_operations = {
 	.splice_read	= generic_file_splice_read,
 };
 
+static int sysv_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 sysv_file_inode_operations = {
 	.truncate	= sysv_truncate,
+	.setattr	= sysv_setattr,
 	.getattr	= sysv_getattr,
 };
diff --git a/fs/udf/file.c b/fs/udf/file.c
index 94e06d6..7376032c 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -228,6 +228,18 @@ const struct file_operations udf_file_operations = {
 	.llseek			= generic_file_llseek,
 };
 
+static int udf_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 udf_file_inode_operations = {
+	.setattr		= udf_setattr,
 	.truncate		= udf_truncate,
 };