[PATCH 4.2.y-ckt 130/273] nfs: fix nfs_size_to_loff_t
Kamal Mostafa
kamal at canonical.com
Mon Mar 7 22:48:41 UTC 2016
4.2.8-ckt5 -stable review patch. If anyone has any objections, please let me know.
---8<------------------------------------------------------------
From: Christoph Hellwig <hch at lst.de>
commit 50ab8ec74a153eb30db26529088bc57dd700b24c upstream.
See http: //www.infradead.org/rpr.html
X-Evolution-Source: 1451162204.2173.11 at leira.trondhjem.org
Content-Transfer-Encoding: 8bit
Mime-Version: 1.0
We support OFFSET_MAX just fine, so don't round down below it. Also
switch to using min_t to make the helper more readable.
Signed-off-by: Christoph Hellwig <hch at lst.de>
Fixes: 433c92379d9c ("NFS: Clean up nfs_size_to_loff_t()")
Signed-off-by: Trond Myklebust <trond.myklebust at primarydata.com>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
include/linux/nfs_fs.h | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 874b772..b18488f 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -544,9 +544,7 @@ extern int nfs_readpage_async(struct nfs_open_context *, struct inode *,
static inline loff_t nfs_size_to_loff_t(__u64 size)
{
- if (size > (__u64) OFFSET_MAX - 1)
- return OFFSET_MAX - 1;
- return (loff_t) size;
+ return min_t(u64, size, OFFSET_MAX);
}
static inline ino_t
--
2.7.0
More information about the kernel-team
mailing list