LU-1669 vvp: Use lockless __generic_file_aio_write

[fs/lustre-release.git] / lustre / llite / rw26.c

diff --git a/lustre/llite/rw26.c b/lustre/llite/rw26.c
index b605fa4..b9c8293 100644 (file)
--- a/lustre/llite/rw26.c
+++ b/lustre/llite/rw26.c
@@ -412,13 +412,6 @@ static ssize_t ll_direct_IO_26(int rw, struct kiocb *iocb,
         io = ccc_env_io(env)->cui_cl.cis_io;
         LASSERT(io != NULL);
 
-       /* 0. Need locking between buffered and direct access. and race with
-        *    size changing by concurrent truncates and writes.
-        * 1. Need inode mutex to operate transient pages.
-        */
-       if (rw == READ)
-               mutex_lock(&inode->i_mutex);
-
         LASSERT(obj->cob_transient_pages == 0);
         for (seg = 0; seg < nr_segs; seg++) {
                 long iov_left = iov[seg].iov_len;
@@ -480,8 +473,6 @@ static ssize_t ll_direct_IO_26(int rw, struct kiocb *iocb,
         }
 out:
        LASSERT(obj->cob_transient_pages == 0);
-       if (rw == READ)
-               mutex_unlock(&inode->i_mutex);
 
         if (tot_bytes > 0) {
                struct ccc_io *cio = ccc_env_io(env);