Make it easier to grep for these functions by name.
Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>

Use of synchronize_rcu() when unmounting and potentially freeing a lot
of deviceids is problematic. There really is no reason why we can't just
use kfree_rcu() here.
Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>

The File Layout's filelayout_mark_request_commit() is almost the
Flex File Layout's ff_layout_mark_request_commit(). And that can
be reduced by calling into nfs_request_add_commit_list().
Signed-off-by: NTom Haynes <loghyr@primarydata.com>
Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>

Signed-off-by: NTom Haynes <loghyr@primarydata.com>
Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>

Found by 0-DAY kernel test infrastructure:

fs/nfs/flexfilelayout/flexfilelayoutdev.c:520:13-16: ERROR: reference preceded by free on line 518
fs/nfs/flexfilelayout/flexfilelayoutdev.c:520:26-29: ERROR: reference preceded by free on line 518
fs/nfs/flexfilelayout/flexfilelayoutdev.c:520:39-42: ERROR: reference preceded by free on line 518
fs/nfs/flexfilelayout/flexfilelayoutdev.c:521:3-6: ERROR: reference preceded by free on line 518
Reported-by: NJulia Lawall <julia.lawall@lip6.fr>
Signed-off-by: NTom Haynes <loghyr@primarydata.com>
Signed-off-by: NTrond Myklebust <trond.myklebust@primarydata.com>

The flexfile layout is a new layout that extends the
file layout. It is currently being drafted as a specification at
https://datatracker.ietf.org/doc/draft-ietf-nfsv4-layout-types/Signed-off-by: NWeston Andros Adamson <dros@primarydata.com>
Signed-off-by: NTom Haynes <loghyr@primarydata.com>
Signed-off-by: NTao Peng <bergwolf@primarydata.com>