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Benjamin Coddington
a002ad8a9b
In order to signal that filehandles on this export should be signed, add a "sign_fh" export option. Filehandle signing can help the server defend against certain filehandle guessing attacks. Setting the "sign_fh" export option sets NFSEXP_SIGN_FH. In a future patch NFSD uses this signal to append a MAC onto filehandles for that export. While we're in here, tidy a few stray expflags to more closely align to the export flag order. Link: https://lore.kernel.org/linux-nfs/[email protected] Signed-off-by: Benjamin Coddington <[email protected]> Reviewed-by: Jeff Layton <[email protected]> Signed-off-by: Chuck Lever <[email protected]>