mirror O_APPEND and O_DIRECT into iocb->ki_flags

... avoiding write_iter/fcntl races.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index c64d11c41eeb..faa7d390841b 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1794,7 +1794,7 @@ static ssize_t btrfs_file_write_iter(struct kiocb *iocb,
         if (sync)
                 atomic_inc(&BTRFS_I(inode)->sync_writers);
 
-        if (file->f_flags & O_DIRECT) {
+        if (iocb->ki_flags & IOCB_DIRECT) {
                 num_written = __btrfs_direct_write(iocb, from, pos);
         } else {
                 num_written = __btrfs_buffered_write(file, from, pos);