2 files changed, 15 insertions, 13 deletions

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index c6cef2495f00..0afbbb450faf 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -971,6 +971,10 @@ static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr)
         struct p9_wstat wstat;
 
         P9_DPRINTK(P9_DEBUG_VFS, "\n");
+        retval = inode_change_ok(dentry->d_inode, iattr);
+        if (retval)
+                return retval;
+
         retval = -EPERM;
         v9ses = v9fs_inode2v9ses(dentry->d_inode);
         fid = v9fs_fid_lookup(dentry);
@@ -997,12 +1001,7 @@ static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr)
                 if (iattr->ia_valid & ATTR_GID)
                         wstat.n_gid = iattr->ia_gid;
         }
-        if ((iattr->ia_valid & ATTR_SIZE) &&
-            iattr->ia_size != i_size_read(dentry->d_inode)) {
-                retval = vmtruncate(dentry->d_inode, iattr->ia_size);
-                if (retval)
-                        return retval;
-        }
+
         /* Write all dirty data */
         if (S_ISREG(dentry->d_inode->i_mode))
                 filemap_write_and_wait(dentry->d_inode->i_mapping);
@@ -1010,6 +1009,11 @@ static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr)
         retval = p9_client_wstat(fid, &wstat);
         if (retval < 0)
                 return retval;
+
+        if ((iattr->ia_valid & ATTR_SIZE) &&
+            iattr->ia_size != i_size_read(dentry->d_inode))
+                truncate_setsize(dentry->d_inode, iattr->ia_size);
+
         v9fs_invalidate_inode_attr(dentry->d_inode);
 
         setattr_copy(dentry->d_inode, iattr);
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 327c578c7ba6..0a0ac30d51d6 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -456,12 +456,6 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
         if (IS_ERR(fid))
                 return PTR_ERR(fid);
 
-        if ((iattr->ia_valid & ATTR_SIZE) &&
-            iattr->ia_size != i_size_read(dentry->d_inode)) {
-                retval = vmtruncate(dentry->d_inode, iattr->ia_size);
-                if (retval)
-                        return retval;
-        }
         /* Write all dirty data */
         if (S_ISREG(dentry->d_inode->i_mode))
                 filemap_write_and_wait(dentry->d_inode->i_mapping);
@@ -469,8 +463,12 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
         retval = p9_client_setattr(fid, &p9attr);
         if (retval < 0)
                 return retval;
-        v9fs_invalidate_inode_attr(dentry->d_inode);
 
+        if ((iattr->ia_valid & ATTR_SIZE) &&
+            iattr->ia_size != i_size_read(dentry->d_inode))
+                truncate_setsize(dentry->d_inode, iattr->ia_size);
+
+        v9fs_invalidate_inode_attr(dentry->d_inode);
         setattr_copy(dentry->d_inode, iattr);
         mark_inode_dirty(dentry->d_inode);
         if (iattr->ia_valid & ATTR_MODE) {