ceph_aio_write(): switch to generic_perform_write()

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

1 files changed, 5 insertions, 2 deletions

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index a798db5e5e39..2d9088b1bcd9 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -970,6 +970,7 @@ retry_snap:
                         goto retry_snap;
                 }
         } else {
+                struct iov_iter from;
                 /*
                  * No need to acquire the i_truncate_mutex. Because
                  * the MDS revokes Fwb caps before sending truncate
@@ -977,8 +978,10 @@ retry_snap:
                  * are pending vmtruncate. So write and vmtruncate
                  * can not run at the same time
                  */
-                written = generic_file_buffered_write(iocb, iov, nr_segs,
-                                                      pos, count, 0);
+                iov_iter_init(&from, iov, nr_segs, count, 0);
+                written = generic_perform_write(file, &from, pos);
+                if (likely(written >= 0))
+                        iocb->ki_pos = pos + written;
                 mutex_unlock(&inode->i_mutex);
         }