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-rw-r--r--fs/ocfs2/dlmfs/dlmfs.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c
index e21ce0e..13ac2bf 100644
--- a/fs/ocfs2/dlmfs/dlmfs.c
+++ b/fs/ocfs2/dlmfs/dlmfs.c
@@ -220,6 +220,23 @@ static int dlmfs_file_release(struct inode *inode,
return 0;
}
+/*
+ * We do ->setattr() just to override size changes. Our size is the size
+ * of the LVB and nothing else.
+ */
+static int dlmfs_file_setattr(struct dentry *dentry, struct iattr *attr)
+{
+ int error;
+ struct inode *inode = dentry->d_inode;
+
+ attr->ia_valid &= ~ATTR_SIZE;
+ error = inode_change_ok(inode, attr);
+ if (!error)
+ error = inode_setattr(inode, attr);
+
+ return error;
+}
+
static unsigned int dlmfs_file_poll(struct file *file, poll_table *wait)
{
int event = 0;
@@ -634,6 +651,7 @@ static const struct super_operations dlmfs_ops = {
static const struct inode_operations dlmfs_file_inode_operations = {
.getattr = simple_getattr,
+ .setattr = dlmfs_file_setattr,
};
static int dlmfs_get_sb(struct file_system_type *fs_type,