nfs/localio: remove extra indirect nfs_to call to check {read,write}_iter

[ Upstream commit 0978e5b85f ]

Push the read_iter and write_iter availability checks down to
nfs_do_local_read and nfs_do_local_write respectively.

This eliminates a redundant nfs_to->nfsd_file_file() call.

Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Stable-dep-of: 992203a1fb ("nfs/localio: restore creds before releasing pageio data")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Mike Snitzer 2024-10-03 15:35:03 -04:00 • committed by Greg Kroah-Hartman
commit b0bf81e05b