NFS/localio: remove dead FLUSH_SYNC handling from nfs_local_commit

nfs_local_commit() is reached only through nfs_initiate_commit(), and every
path that supplies its "how" argument has already cleared FLUSH_SYNC:
__nfs_commit_inode() strips it (how &= ~FLUSH_SYNC) before dispatch and does
its own waiting via wait_on_commit(), while the O_DIRECT path passes how=0.
filelayout issues its DS commit with a NULL localio, so it never enters
nfs_local_commit() at all.  The FLUSH_SYNC branch has therefore been dead
since it was introduced with commit 70ba381e1a43 ("nfs: add LOCALIO
support").

Remove the never-taken FLUSH_SYNC branch along with the completion plumbing
it was the sole user of: the struct nfs_local_fsync_ctx::done member, its
initialization, and the complete() call in nfs_local_fsync_work().  With the
branch gone the "how" parameter is unused, so drop it from nfs_local_commit()
and its callers.  No functional change.

Assisted-by: Claude:claude-opus-4-8
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

0 files changed, 0 insertions, 0 deletions