From: Peng Tao <tao.peng@primarydata.com>
To: linux-nfs@vger.kernel.org
Cc: Trond Myklebust <trond.myklebust@primarydata.com>,
Peng Tao <tao.peng@primarydata.com>
Subject: [PATCH] nfs: clean up nfs_direct_IO
Date: Wed, 21 Jan 2015 00:20:11 +0800 [thread overview]
Message-ID: <1421770811-25358-1-git-send-email-tao.peng@primarydata.com> (raw)
This follows up "nfs: fix dio deadlock when O_DIRECT flag is flipped"
and removes the unnecessary CONFIG_NFS_SWAP switch.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
---
fs/nfs/direct.c | 7 -------
1 file changed, 7 deletions(-)
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 1184118..645b777 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -259,18 +259,11 @@ ssize_t nfs_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter, loff_t
if (!IS_SWAPFILE(inode))
return 0;
-#ifndef CONFIG_NFS_SWAP
- dprintk("NFS: nfs_direct_IO (%pD) off/no(%Ld/%lu) EINVAL\n",
- iocb->ki_filp, (long long) pos, iter->nr_segs);
-
- return -EINVAL;
-#else
VM_BUG_ON(iocb->ki_nbytes != PAGE_SIZE);
if (rw == READ)
return nfs_file_direct_read(iocb, iter, pos);
return nfs_file_direct_write(iocb, iter, pos);
-#endif /* CONFIG_NFS_SWAP */
}
static void nfs_direct_release_pages(struct page **pages, unsigned int npages)
--
1.9.1
reply other threads:[~2015-01-20 16:31 UTC|newest]
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