if we are doing CREATE_NEW file creation, then based on whether or not
we have a persistent session, we'll send either GUARDED4 create for
persistent session and EXCLUSIVE4_1 create otherwise.
acls are lists of arbitrary length, so xdr_array() is used to allocate the array
during decode. because this memory is allocated by the tirpc library, it needs
to be freed there as well; added function nfsacl41_free() to do this with XDR_F
REE
Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
LAYOUTGET xdr now supports decoding of multiple layout segments, which are returned in a list with pnfs_layoutget_res_ok
LAYOUTRETURN no longer operates on an existing pnfs_file_layout. it now takes a copy of the layout stateid, and returns the new stateid with pnfs_layoutreturn_res
Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
operations that require a stateid now take stateid_arg for recovery information. these operations include close, setattr, lock/unlock, layoutget, and read/write (including pnfs)
nfs41_open_stateid_arg() locks nfs41_open_state and copies its stateid into a stateid_arg
nfs41_lock_stateid_arg() locks nfs41_open_state.last_lock and copies its stateid into a stateid_arg; if there is no lock state, it falls back to nfs41_open_stateid_arg()
pnfs_read/write() now take nfs41_open_state so they can generate stateid_args
Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
added optional symlink argument to nfs41_create(), used when type is NF4LNK
changed createttype4.u.lnk.linkdata from char[] to const char* and updated encoding in nfs41_xdr.c
Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
added time_delta argument to xdr_settime4(). if the normal 'time' argument is within time_delta of the current time (get_nfs_time()), it uses time_how=SET_TO_SERVER_TIME4. otherwise, it uses SET_TO_CLIENT_TIME4 and encodes the time as usual
handle_nfs41_setattr() ignores times if superblock->cansettime==0. otherwise, it passes in superblock->time_delta (via info.time_delta) along with the other time attributes, for use with xdr_settime4()
Signed-off-by: Casey Bodley <cbodley@umich.edu>
added FILE_FS_ATTRIBUTE_INFORMATION and FileSystemAttributes flags to from_kernel.h
queries case_preserving, case_insensitive attributes to fill in FileSystemAttributes, and uses #defines from nfs41_const.h for MaximumComponentNameLength and FileSystemName
Signed-off-by: Casey Bodley <cbodley@umich.edu>
