new helper: iter_is_iovec()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/mm/filemap.c b/mm/filemap.c
index e8905bc3cbd7..bd8543c6508f 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2464,7 +2464,7 @@ ssize_t generic_perform_write(struct file *file,
         /*
          * Copies from kernel address space cannot fail (NFSD is a big user).
          */
-        if (segment_eq(get_fs(), KERNEL_DS))
+        if (!iter_is_iovec(i))
                 flags |= AOP_FLAG_UNINTERRUPTIBLE;
 
         do {