From: Eric Van Hensbergen <ericvh@xxxxxxxxxx> commit 350cd9b959757e7c571f45fab29d116d5f67cbff upstream. There was an invalidate_inode_pages2 added to readonly mmap path that is unnecessary since that path is only entered when writeback cache is disabled on mount. Cc: stable@xxxxxxxxxxxxxxx Fixes: 1543b4c5071c ("fs/9p: remove writeback fid and fix per-file modes") Reviewed-by: Christian Schoenebeck <linux_oss@xxxxxxxxxxxxx> Signed-off-by: Eric Van Hensbergen <ericvh@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/9p/vfs_file.c | 1 - 1 file changed, 1 deletion(-) --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -484,7 +484,6 @@ v9fs_file_mmap(struct file *filp, struct if (!(v9ses->cache & CACHE_WRITEBACK)) { p9_debug(P9_DEBUG_CACHE, "(read-only mmap mode)"); - invalidate_inode_pages2(filp->f_mapping); return generic_file_readonly_mmap(filp, vma); }