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Subject[ 150/153] fs: cachefiles: add support for large files in filesystem caching
3.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Justin Lecher <jlec@gentoo.org>

commit 98c350cda2c14a343d34ea01a3d9c24fea5ec66d upstream.

Support the caching of large files.

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

Signed-off-by: Justin Lecher <jlec@gentoo.org>
Signed-off-by: Suresh Jayaraman <sjayaraman@suse.com>
Tested-by: Suresh Jayaraman <sjayaraman@suse.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[bwh: Backported to 3.2:
- Adjust context
- dentry_open() takes dentry and vfsmount pointers, not a path pointer]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
--- a/fs/cachefiles/rdwr.c
+++ b/fs/cachefiles/rdwr.c
@@ -918,7 +918,7 @@ int cachefiles_write_page(struct fscache_storage *op, struct page *page)
* own time */
dget(object->backer);
mntget(cache->mnt);
- file = dentry_open(object->backer, cache->mnt, O_RDWR,
+ file = dentry_open(object->backer, cache->mnt, O_RDWR | O_LARGEFILE,
cache->cache_cred);
if (IS_ERR(file)) {
ret = PTR_ERR(file);




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