Read side was already fully supported, and with the write side
appropriately punted to the worker queue, all that's needed now is
setting FOP_UNCACHED in the file_operations structure to enable full
support for read and write uncached IO.
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
---
fs/xfs/xfs_file.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index b19916b11fd5..4fe593896bc5 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1595,7 +1595,8 @@ const struct file_operations xfs_file_operations = {
.fadvise = xfs_file_fadvise,
.remap_file_range = xfs_file_remap_range,
.fop_flags = FOP_MMAP_SYNC | FOP_BUFFER_RASYNC |
- FOP_BUFFER_WASYNC | FOP_DIO_PARALLEL_WRITE,
+ FOP_BUFFER_WASYNC | FOP_DIO_PARALLEL_WRITE |
+ FOP_UNCACHED,
};
const struct file_operations xfs_dir_file_operations = {
--
2.45.2
