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-rw-r--r--fs/9p/vfs_file.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 3337d58d0fc..6997eb62fbb 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -91,7 +91,8 @@ int v9fs_file_open(struct inode *inode, struct file *file)
file->private_data = fid;
mutex_lock(&v9inode->v_mutex);
- if (v9ses->cache && !v9inode->writeback_fid) {
+ if (v9ses->cache && !v9inode->writeback_fid &&
+ ((file->f_flags & O_ACCMODE) != O_RDONLY)) {
/*
* clone a fid and add it to writeback_fid
* we do it during open time instead of