LU-13669 llite: make readahead aware of hints

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

diff --git a/lustre/llite/file.c b/lustre/llite/file.c
index 2e78b2d..2e0ca9e 100644 (file)
--- a/lustre/llite/file.c
+++ b/lustre/llite/file.c
@@ -730,6 +730,8 @@ static int ll_local_open(struct file *file, struct lookup_intent *it,
        file->private_data = fd;
        ll_readahead_init(inode, &fd->fd_ras);
        fd->fd_omode = it->it_flags & (FMODE_READ | FMODE_WRITE | FMODE_EXEC);
+       /* turn off the kernel's read-ahead */
+       file->f_ra.ra_pages = 0;
 
        /* ll_cl_context initialize */
        rwlock_init(&fd->fd_lock);