From: Christoph Hellwig hch@lst.de
commit f2d6c2708bd84ca953fa6b6ca5717e79eb0140c7 upstream.
Wire up the splice_read and splice_write methods to the default helpers using ->read_iter and ->write_iter now that those are implemented for kernfs. This restores support to use splice and sendfile on kernfs files.
Fixes: 36e2c7421f02 ("fs: don't allow splice read/write without explicit ops") Reported-by: Siddharth Gupta sidgup@codeaurora.org Tested-by: Siddharth Gupta sidgup@codeaurora.org Signed-off-by: Christoph Hellwig hch@lst.de Link: https://lore.kernel.org/r/20210120204631.274206-4-hch@lst.de Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/kernfs/file.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/fs/kernfs/file.c +++ b/fs/kernfs/file.c @@ -949,6 +949,8 @@ const struct file_operations kernfs_file .release = kernfs_fop_release, .poll = kernfs_fop_poll, .fsync = noop_fsync, + .splice_read = generic_file_splice_read, + .splice_write = iter_file_splice_write, };
/**