cifs: add cifs_revalidate_file
...to allow updating inode attributes on an existing inode by
filehandle. Change mmap and llseek codepaths to use that
instead of cifs_revalidate_dentry since they have a filehandle
readily available.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index b90f8f2c..1389f6e 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1890,11 +1890,10 @@
int cifs_file_mmap(struct file *file, struct vm_area_struct *vma)
{
- struct dentry *dentry = file->f_path.dentry;
int rc, xid;
xid = GetXid();
- rc = cifs_revalidate_dentry(dentry);
+ rc = cifs_revalidate_file(file);
if (rc) {
cFYI(1, ("Validation prior to mmap failed, error=%d", rc));
FreeXid(xid);