Merge commit 'v2.6.38-rc3' into perf/core

Merge reason: Pick up latest fixes.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 20 insertions, 14 deletions

diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index e6ace0d93c71..9943a75bb6d1 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -407,15 +407,18 @@ static ssize_t nfs_direct_read_schedule_iovec(struct nfs_direct_req *dreq,
                 pos += vec->iov_len;
         }
 
+        /*
+         * If no bytes were started, return the error, and let the
+         * generic layer handle the completion.
+         */
+        if (requested_bytes == 0) {
+                nfs_direct_req_release(dreq);
+                return result < 0 ? result : -EIO;
+        }
+
         if (put_dreq(dreq))
                 nfs_direct_complete(dreq);
-
-        if (requested_bytes != 0)
-                return 0;
-
-        if (result < 0)
-                return result;
-        return -EIO;
+        return 0;
 }
 
 static ssize_t nfs_direct_read(struct kiocb *iocb, const struct iovec *iov,
@@ -841,15 +844,18 @@ static ssize_t nfs_direct_write_schedule_iovec(struct nfs_direct_req *dreq,
                 pos += vec->iov_len;
         }
 
+        /*
+         * If no bytes were started, return the error, and let the
+         * generic layer handle the completion.
+         */
+        if (requested_bytes == 0) {
+                nfs_direct_req_release(dreq);
+                return result < 0 ? result : -EIO;
+        }
+
         if (put_dreq(dreq))
                 nfs_direct_write_complete(dreq, dreq->inode);
-
-        if (requested_bytes != 0)
-                return 0;
-
-        if (result < 0)
-                return result;
-        return -EIO;
+        return 0;
 }
 
 static ssize_t nfs_direct_write(struct kiocb *iocb, const struct iovec *iov,