CIFS: Implement cifs_strict_readv (try #4)

Read from the cache if we have at least Level II oplock - otherwise
read from the server. Add cifs_user_readv to let the client read into
iovec buffers.

Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index e24d966fb214..a8323f1dc1c4 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -736,7 +736,7 @@ const struct file_operations cifs_file_ops = {
 const struct file_operations cifs_file_strict_ops = {
         .read = do_sync_read,
         .write = do_sync_write,
-        .aio_read = generic_file_aio_read,
+        .aio_read = cifs_strict_readv,
         .aio_write = cifs_file_aio_write,
         .open = cifs_open,
         .release = cifs_close,
@@ -792,7 +792,7 @@ const struct file_operations cifs_file_nobrl_ops = {
 const struct file_operations cifs_file_strict_nobrl_ops = {
         .read = do_sync_read,
         .write = do_sync_write,
-        .aio_read = generic_file_aio_read,
+        .aio_read = cifs_strict_readv,
         .aio_write = cifs_file_aio_write,
         .open = cifs_open,
         .release = cifs_close,