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authorTakashi Iwai <tiwai@suse.de>2015-02-03 17:57:16 +0100
committerTakashi Iwai <tiwai@suse.de>2015-02-03 17:57:16 +0100
commit3fe9cf390f6dc84f76b112b0a660967a84f9a81b (patch)
tree18b8573687ae8131db155aa791f4d2357d91e6c5 /fs/nfs/direct.c
parent6ccd93bdb989507717edb375d40534f1177822c5 (diff)
parent830953c0724b42be30a74febcde6c89c706ed286 (diff)
Merge branch 'topic/snd-device' into for-next
Diffstat (limited to 'fs/nfs/direct.c')
-rw-r--r--fs/nfs/direct.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 10bf07280f4a..294692ff83b1 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -212,6 +212,12 @@ static int nfs_direct_cmp_commit_data_verf(struct nfs_direct_req *dreq,
*/
ssize_t nfs_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter, loff_t pos)
{
+ struct inode *inode = iocb->ki_filp->f_mapping->host;
+
+ /* we only support swap file calling nfs_direct_IO */
+ 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);