Miklos Szeredi <[email protected]> wrote: > This is trivial to do: > > - add flags argument to foo_rename() > - check if flags is zero > - assign foo_rename() to .rename2 instead of .rename > > This doesn't mean it's impossible to support RENAME_NOREPLACE for these > filesystems, but it is not trivial, like for local filesystems. > RENAME_NOREPLACE must guarantee atomicity (i.e. it shouldn't be possible > for a file to be created on one host while it is overwritten by rename on > another host). > > Filesystems converted: > > 9p, afs, ceph, coda, ecryptfs, exofs, kernfs, lustre, ncpfs, nfs, ocfs2, > orangefs. > > After this, we can get rid of the duplicate interfaces for rename. > > Signed-off-by: Miklos Szeredi <[email protected]> > Cc: Eric Van Hensbergen <[email protected]> > Cc: Ilya Dryomov <[email protected]> > Cc: Jan Harkes <[email protected]> > Cc: Tyler Hicks <[email protected]> > Cc: Boaz Harrosh <[email protected]> > Cc: Greg Kroah-Hartman <[email protected]> > Cc: Oleg Drokin <[email protected]> > Cc: Trond Myklebust <[email protected]> > Cc: Mark Fasheh <[email protected]> > Cc: Mike Marshall <[email protected]>
Acked-by: David Howells <[email protected]> [AFS]
