nfs: fix nfs_size_to_loff_t

See http: //www.infradead.org/rpr.html
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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@lst.de>
Fixes: 433c92379d ("NFS: Clean up nfs_size_to_loff_t()")
Cc: stable@vger.kernel.org # 2.6.23+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Christoph Hellwig 2016-02-08 21:11:50 +01:00 committed by Trond Myklebust
parent 388f7b1d6e
commit 50ab8ec74a
1 changed files with 1 additions and 3 deletions

View File

@ -550,9 +550,7 @@ 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