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charset="utf-8" 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 --- 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 =3D { .fadvise =3D xfs_file_fadvise, .remap_file_range =3D xfs_file_remap_range, .fop_flags =3D FOP_MMAP_SYNC | FOP_BUFFER_RASYNC | - FOP_BUFFER_WASYNC | FOP_DIO_PARALLEL_WRITE, + FOP_BUFFER_WASYNC | FOP_DIO_PARALLEL_WRITE | + FOP_UNCACHED, }; =20 const struct file_operations xfs_dir_file_operations =3D { --=20 2.45.2