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authorXiaoguang Wang <xiaoguang.wang@linux.alibaba.com>2020-02-07 15:07:58 +0300
committerTheodore Ts'o <tytso@mit.edu>2020-03-05 23:40:15 +0300
commit72f9da1d5c8d03d6fb242d01aae66928b2b2e7a8 (patch)
treed2c4ced3d08baa6fe137f07ea422162115a6071a /fs/ext4/file.c
parentf2eeca099bbda45029da35abecb428a9084a5463 (diff)
downloadlinux-72f9da1d5c8d03d6fb242d01aae66928b2b2e7a8.tar.xz
ext4: start to support iopoll method
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(). Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com> Link: https://lore.kernel.org/r/20200207120758.2411-1-xiaoguang.wang@linux.alibaba.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/file.c')
-rw-r--r--fs/ext4/file.c1
1 files changed, 1 insertions, 0 deletions
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,