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-rw-r--r--fs/nfs/direct.c34
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,
407 pos += vec->iov_len; 407 pos += vec->iov_len;
408 } 408 }
409 409
410 /*
411 * If no bytes were started, return the error, and let the
412 * generic layer handle the completion.
413 */
414 if (requested_bytes == 0) {
415 nfs_direct_req_release(dreq);
416 return result < 0 ? result : -EIO;
417 }
418
410 if (put_dreq(dreq)) 419 if (put_dreq(dreq))
411 nfs_direct_complete(dreq); 420 nfs_direct_complete(dreq);
412 421 return 0;
413 if (requested_bytes != 0)
414 return 0;
415
416 if (result < 0)
417 return result;
418 return -EIO;
419} 422}
420 423
421static ssize_t nfs_direct_read(struct kiocb *iocb, const struct iovec *iov, 424static 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,
841 pos += vec->iov_len; 844 pos += vec->iov_len;
842 } 845 }
843 846
847 /*
848 * If no bytes were started, return the error, and let the
849 * generic layer handle the completion.
850 */
851 if (requested_bytes == 0) {
852 nfs_direct_req_release(dreq);
853 return result < 0 ? result : -EIO;
854 }
855
844 if (put_dreq(dreq)) 856 if (put_dreq(dreq))
845 nfs_direct_write_complete(dreq, dreq->inode); 857 nfs_direct_write_complete(dreq, dreq->inode);
846 858 return 0;
847 if (requested_bytes != 0)
848 return 0;
849
850 if (result < 0)
851 return result;
852 return -EIO;
853} 859}
854 860
855static ssize_t nfs_direct_write(struct kiocb *iocb, const struct iovec *iov, 861static ssize_t nfs_direct_write(struct kiocb *iocb, const struct iovec *iov,