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-rw-r--r--fs/btrfs/inode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index e6811c42e41e..ff15cf42763a 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8618,7 +8618,7 @@ static ssize_t check_direct_IO(struct btrfs_root *root, struct kiocb *iocb,
goto out;
/* If this is a write we don't need to check anymore */
- if (iov_iter_rw(iter) == WRITE)
+ if (iov_iter_rw(iter) != READ || !iter_is_iovec(iter))
return 0;
/*
* Check to make sure we don't have duplicate iov_base's in this