2 files changed, 35 insertions, 10 deletions

diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index c40f81ba9b1..34dcb43a783 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -1390,11 +1390,19 @@ xfs_vm_direct_IO(
 
 	iocb->private = xfs_alloc_ioend(inode, IOMAP_UNWRITTEN);
 
-	ret = blockdev_direct_IO_own_locking(rw, iocb, inode,
-		iomap.iomap_target->bt_bdev,
-		iov, offset, nr_segs,
-		xfs_get_blocks_direct,
-		xfs_end_io_direct);
+	if (rw == WRITE) {
+		ret = blockdev_direct_IO_own_locking(rw, iocb, inode,
+			iomap.iomap_target->bt_bdev,
+			iov, offset, nr_segs,
+			xfs_get_blocks_direct,
+			xfs_end_io_direct);
+	} else {
+		ret = blockdev_direct_IO_no_locking(rw, iocb, inode,
+			iomap.iomap_target->bt_bdev,
+			iov, offset, nr_segs,
+			xfs_get_blocks_direct,
+			xfs_end_io_direct);
+	}
 
 	if (unlikely(ret <= 0 && iocb->private))
 		xfs_destroy_ioend(iocb->private);
diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
index 5d9cfd91ad0..ee788b1cb36 100644
--- a/fs/xfs/linux-2.6/xfs_lrw.c
+++ b/fs/xfs/linux-2.6/xfs_lrw.c
@@ -264,7 +264,9 @@ xfs_read(
 					dmflags, &locktype);
 		if (ret) {
 			xfs_iunlock(ip, XFS_IOLOCK_SHARED);
-			goto unlock_mutex;
+			if (unlikely(ioflags & IO_ISDIRECT))
+				mutex_unlock(&inode->i_mutex);
+			return ret;
 		}
 	}
 
@@ -272,6 +274,9 @@ xfs_read(
 		bhv_vop_flushinval_pages(vp, ctooff(offtoct(*offset)),
 						-1, FI_REMAPF_LOCKED);
 
+	if (unlikely(ioflags & IO_ISDIRECT))
+		mutex_unlock(&inode->i_mutex);
+
 	xfs_rw_enter_trace(XFS_READ_ENTER, &ip->i_iocore,
 				(void *)iovp, segs, *offset, ioflags);
 	ret = __generic_file_aio_read(iocb, iovp, segs, offset);
@@ -281,10 +286,6 @@ xfs_read(
 		XFS_STATS_ADD(xs_read_bytes, ret);
 
 	xfs_iunlock(ip, XFS_IOLOCK_SHARED);
-
-unlock_mutex:
-	if (unlikely(ioflags & IO_ISDIRECT))
-		mutex_unlock(&inode->i_mutex);
 	return ret;
 }
 
@@ -390,6 +391,8 @@ xfs_splice_write(
 	xfs_inode_t		*ip = XFS_BHVTOI(bdp);
 	xfs_mount_t		*mp = ip->i_mount;
 	ssize_t			ret;
+	struct inode		*inode = outfilp->f_mapping->host;
+	xfs_fsize_t		isize;
 
 	XFS_STATS_INC(xs_write_calls);
 	if (XFS_FORCED_SHUTDOWN(ip->i_mount))
@@ -416,6 +419,20 @@ xfs_splice_write(
 	if (ret > 0)
 		XFS_STATS_ADD(xs_write_bytes, ret);
 
+	isize = i_size_read(inode);
+	if (unlikely(ret < 0 && ret != -EFAULT && *ppos > isize))
+		*ppos = isize;
+
+	if (*ppos > ip->i_d.di_size) {
+		xfs_ilock(ip, XFS_ILOCK_EXCL);
+		if (*ppos > ip->i_d.di_size) {
+			ip->i_d.di_size = *ppos;
+			i_size_write(inode, *ppos);
+			ip->i_update_core = 1;
+			ip->i_update_size = 1;
+		}
+		xfs_iunlock(ip, XFS_ILOCK_EXCL);
+	}
 	xfs_iunlock(ip, XFS_IOLOCK_EXCL);
 	return ret;
 }