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-rw-r--r--fs/sysv/file.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/fs/sysv/file.c b/fs/sysv/file.c
index 94f6319292a1..0a65939508e9 100644
--- a/fs/sysv/file.c
+++ b/fs/sysv/file.c
@@ -38,7 +38,17 @@ static int sysv_setattr(struct dentry *dentry, struct iattr *attr)
error = inode_change_ok(inode, attr);
if (error)
return error;
- return inode_setattr(inode, attr);
+
+ if ((attr->ia_valid & ATTR_SIZE) &&
+ attr->ia_size != i_size_read(inode)) {
+ error = vmtruncate(inode, attr->ia_size);
+ if (error)
+ return error;
+ }
+
+ setattr_copy(inode, attr);
+ mark_inode_dirty(inode);
+ return 0;
}
const struct inode_operations sysv_file_inode_operations = {