linux-kernel - [PATCH] [RESEND] fs: cachefiles: Add support for large files in filesystem caching

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Date:	Mon, 11 Jun 2012 11:08:21 +0530
From:	Suresh Jayaraman <sjayaraman@...e.com>
To:	David Howells <dhowells@...hat.com>
Cc:	Justin Lecher <jlec@...too.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>, linux-cachefs@...hat.com
Subject: [PATCH] [RESEND] fs: cachefiles: Add support for large files in filesystem
 caching

The below patch which was first posted here:

   https://lkml.org/lkml/2012/4/3/193

and tested by me and picked up by the maintainer here:

   https://lkml.org/lkml/2012/5/1/57

But it seems to not to have made to the linux-next or Linus tree.
I'm resending what it seems like a lost patch.


From: Justin Lecher <jlec@...too.org>

Support the caching of large files.

https://bugzilla.kernel.org/show_bug.cgi?id=31182

Signed-off-by: Justin Lecher <jlec@...too.org>
Tested-by: Suresh Jayaraman <sjayaraman@...e.com>
---
 fs/cachefiles/rdwr.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/cachefiles/rdwr.c b/fs/cachefiles/rdwr.c
index 0e3c092..d136686 100644
--- a/fs/cachefiles/rdwr.c
+++ b/fs/cachefiles/rdwr.c
@@ -919,7 +919,7 @@ int cachefiles_write_page(struct fscache_storage *op, struct page *page)
 	dget(object->backer);
 	mntget(cache->mnt);
 	file = dentry_open(object->backer, cache->mnt, O_RDWR,
-			   cache->cache_cred);
+			   (O_RDWR | O_LARGEFILE), cache->cache_cred);
 	if (IS_ERR(file)) {
 		ret = PTR_ERR(file);
 	} else {
--
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