Re: [PATCH] ext4: start to support iopoll method

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hi,

Ted, could you please consider applying this patch? Iouring polling
tests in ext4 needs this patch, Jan Kara has nicely reviewed this patch, thanks.

Regards,
Xiaoguang Wang

Since commit "b1b4705d54ab ext4: introduce direct I/O read using
iomap infrastructure", we can easily make ext4 support iopoll
method, just use iomap_dio_iopoll().

Signed-off-by: Xiaoguang Wang <xiaoguang.wang@xxxxxxxxxxxxxxxxx>
---
  fs/ext4/file.c | 1 +
  1 file changed, 1 insertion(+)

diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 5f225881176b..0d624250a62b 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -872,6 +872,7 @@ const struct file_operations ext4_file_operations = {
  	.llseek		= ext4_llseek,
  	.read_iter	= ext4_file_read_iter,
  	.write_iter	= ext4_file_write_iter,
+	.iopoll		= iomap_dio_iopoll,
  	.unlocked_ioctl = ext4_ioctl,
  #ifdef CONFIG_COMPAT
  	.compat_ioctl	= ext4_compat_ioctl,




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