We set this unconditionally, but it really should be dependent on if the underlying device is nowait compliant. Cc: linux-block@xxxxxxxxxxxxxxx Signed-off-by: Jens Axboe <axboe@xxxxxxxxx> --- block/fops.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/block/fops.c b/block/fops.c index d2e6be4e3d1c..ab750e8a040f 100644 --- a/block/fops.c +++ b/block/fops.c @@ -481,7 +481,7 @@ static int blkdev_open(struct inode *inode, struct file *filp) * during an unstable branch. */ filp->f_flags |= O_LARGEFILE; - filp->f_mode |= FMODE_NOWAIT | FMODE_BUF_RASYNC; + filp->f_mode |= FMODE_BUF_RASYNC; if (filp->f_flags & O_NDELAY) filp->f_mode |= FMODE_NDELAY; @@ -494,6 +494,9 @@ static int blkdev_open(struct inode *inode, struct file *filp) if (IS_ERR(bdev)) return PTR_ERR(bdev); + if (bdev_nowait(bdev)) + filp->f_mode |= FMODE_NOWAIT; + filp->private_data = bdev; filp->f_mapping = bdev->bd_inode->i_mapping; filp->f_wb_err = filemap_sample_wb_err(filp->f_mapping); -- 2.39.2
