Attachment 5062 Details for Bug 6926 – test patch 1 -- allow cifs to invalidate cached data for open files

[patch] test patch 1 -- allow cifs to invalidate cached data for open files

0001-cifs-allow-invalidation-of-open-files.patch (text/plain), 1.26 KB, created by Jeff Layton on 2009-12-07 09:54:38 UTC

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Creator: Jeff Layton

Created: 2009-12-07 09:54:38 UTC

Size: 1.26 KB

patch

obsolete

>From 646968da72ac05e3c8f3c0995814bb1d43fdaf3f Mon Sep 17 00:00:00 2001
>From: Jeff Layton <jlayton@redhat.com>
>Date: Mon, 7 Dec 2009 10:46:15 -0500
>Subject: [PATCH] cifs: allow invalidation of open files
>
>The cifs_revalidate code does not currently invalidate page data if a
>file is already open and it's changed on the server. Allow it to
>invalidate cached data of files that are open as well.
>
>Signed-off-by: Jeff Layton <jlayton@redhat.com>
>---
> fs/cifs/inode.c |   10 +++-------
> 1 files changed, 3 insertions(+), 7 deletions(-)
>
>diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
>index cababd8..2ed11d0 100644
>--- a/fs/cifs/inode.c
>+++ b/fs/cifs/inode.c
>@@ -1507,13 +1507,9 @@ int cifs_revalidate(struct dentry *direntry)
> 				if (wbrc)
> 					CIFS_I(direntry->d_inode)->write_behind_rc = wbrc;
> 			}
>-			/* may eventually have to do this for open files too */
>-			if (list_empty(&(cifsInode->openFileList))) {
>-				/* changed on server - flush read ahead pages */
>-				cFYI(1, ("Invalidating read ahead data on "
>-					 "closed file"));
>-				invalidate_remote_inode(direntry->d_inode);
>-			}
>+			cFYI(1, ("invalidating cached data for inode 0x%p",
>+				direntry->d_inode));
>+			invalidate_remote_inode(direntry->d_inode);
> 		}
> 	}
> /*	mutex_unlock(&direntry->d_inode->i_mutex); */
>-- 
>1.6.5.2
>

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