Merge branch 'urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6

[pandora-kernel.git] / fs / proc / proc_sysctl.c

diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 6ff9981..2fc5255 100644 (file)
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -329,10 +329,19 @@ static int proc_sys_setattr(struct dentry *dentry, struct iattr *attr)
                return -EPERM;
 
        error = inode_change_ok(inode, attr);
-       if (!error)
-               error = inode_setattr(inode, attr);
+       if (error)
+               return error;
+
+       if ((attr->ia_valid & ATTR_SIZE) &&
+           attr->ia_size != i_size_read(inode)) {
+               error = vmtruncate(inode, attr->ia_size);
+               if (error)
+                       return error;
+       }
 
-       return error;
+       setattr_copy(inode, attr);
+       mark_inode_dirty(inode);
+       return 0;
 }
 
 static int proc_sys_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
@@ -355,6 +364,7 @@ static int proc_sys_getattr(struct vfsmount *mnt, struct dentry *dentry, struct
 static const struct file_operations proc_sys_file_operations = {
        .read           = proc_sys_read,
        .write          = proc_sys_write,
+       .llseek         = default_llseek,
 };
 
 static const struct file_operations proc_sys_dir_file_operations = {