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fs: cachefiles: add support for large files in filesystem caching

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commit 98c350cda2 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>
Cc: Rui Xiang <rui.xiang@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Justin Lecher 2012-07-30 14:42:53 -07:00 committed by Greg Kroah-Hartman
parent 2e4191b310
commit 76504c2489
1 changed files with 1 additions and 1 deletions
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2
fs/cachefiles/rdwr.c
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@ -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);