commit a7cdf065e1126b09f4bfe767d0d5352754bff629
author Chuck Lever <chuck.lever@oracle.com> Fri Jan 26 12:45:54 2024 -0500
committer Chuck Lever <chuck.lever@oracle.com> Fri Mar 01 09:12:14 2024 -0500
tree 40ac48f9f4cab48bab6b29303343d57e72e1f6b4
parent 8626664c87eebb21a40d4924b2f244a1f56d8806

NFSD: Rename nfsd_cb_state trace point

Make it clear where backchannel state is updated.

Example trace point output:

kworker/u16:0-10    [006]  2800.080404: nfsd_cb_new_state:    addr=192.168.122.6:0 client 65b3c5b8:f541f749 state=UP
         nfsd-940   [003]  2800.478368: nfsd_cb_new_state:    addr=192.168.122.6:0 client 65b3c5b8:f541f749 state=UNKNOWN
kworker/u16:0-10    [003]  2800.478828: nfsd_cb_new_state:    addr=192.168.122.6:0 client 65b3c5b8:f541f749 state=DOWN

kworker/u16:0-10    [005]  2802.039724: nfsd_cb_start:        addr=192.168.122.6:0 client 65b3c5b8:f541f749 state=UP
kworker/u16:0-10    [005]  2810.611452: nfsd_cb_start:        addr=192.168.122.6:0 client 65b3c5b8:f541f749 state=FAULT
kworker/u16:0-10    [005]  2810.616832: nfsd_cb_start:        addr=192.168.122.6:0 client 65b3c5b8:f541f749 state=UNKNOWN
kworker/u16:0-10    [005]  2810.616931: nfsd_cb_start:        addr=192.168.122.6:0 client 65b3c5b8:f541f749 state=DOWN

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>