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Set the flag to indicate support, enabling use of RWF_UNCACHED. Signed-off-by: Jens Axboe --- 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