ext4 uses the generic read/write paths, and can fully support
FOP_UNCACHED. Set the flag to indicate support, enabling use of
RWF_UNCACHED.
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
---
fs/ext4/file.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index f14aed14b9cf..0ef39d738598 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -944,7 +944,7 @@ const struct file_operations ext4_file_operations = {
.splice_write = iter_file_splice_write,
.fallocate = ext4_fallocate,
.fop_flags = FOP_MMAP_SYNC | FOP_BUFFER_RASYNC |
- FOP_DIO_PARALLEL_WRITE,
+ FOP_DIO_PARALLEL_WRITE | FOP_UNCACHED,
};
const struct inode_operations ext4_file_inode_operations = {
--
2.45.2
