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With that, enable the use of RWF_UNCACHED with XFS by flagging support with FOP_UNCACHED. Signed-off-by: Jens Axboe --- fs/xfs/xfs_file.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index b19916b11fd5..1a7f46e13464 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -825,6 +825,7 @@ xfs_file_buffered_write( =20 if (ret > 0) { XFS_STATS_ADD(ip->i_mount, xs_write_bytes, ret); + generic_uncached_write(iocb, ret); /* Handle various SYNC-type writes */ ret =3D generic_write_sync(iocb, ret); } @@ -1595,7 +1596,8 @@ 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