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3 daysNFSD: Remove NFSERR_EAGAINChuck Lever1-2/+0
[ Upstream commit c6c209ceb87f64a6ceebe61761951dcbbf4a0baa ] I haven't found an NFSERR_EAGAIN in RFCs 1094, 1813, 7530, or 8881. None of these RFCs have an NFS status code that match the numeric value "11". Based on the meaning of the EAGAIN errno, I presume the use of this status in NFSD means NFS4ERR_DELAY. So replace the one usage of nfserr_eagain, and remove it from NFSD's NFS status conversion tables. As far as I can tell, NFSERR_EAGAIN has existed since the pre-git era, but was not actually used by any code until commit f4e44b393389 ("NFSD: delay unmount source's export after inter-server copy completed."), at which time it become possible for NFSD to return a status code of 11 (which is not valid NFS protocol). Fixes: f4e44b393389 ("NFSD: delay unmount source's export after inter-server copy completed.") Cc: stable@vger.kernel.org Reviewed-by: NeilBrown <neil@brown.name> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
3 daysNFS: trace: show TIMEDOUT instead of 0x6eChen Hanxiao1-0/+1
[ Upstream commit cef48236dfe55fa266d505e8a497963a7bc5ef2a ] __nfs_revalidate_inode may return ETIMEDOUT. print symbol of ETIMEDOUT in nfs trace: before: cat-5191 [005] 119.331127: nfs_revalidate_inode_exit: error=-110 (0x6e) after: cat-1738 [004] 44.365509: nfs_revalidate_inode_exit: error=-110 (TIMEDOUT) Signed-off-by: Chen Hanxiao <chenhx.fnst@fujitsu.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Stable-dep-of: c6c209ceb87f ("NFSD: Remove NFSERR_EAGAIN") Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-12-10NFSD: add CB_RECALL_ANY tracepointsDai Ngo1-0/+12
Add tracepoints to trace start and end of CB_RECALL_ANY operation. Signed-off-by: Dai Ngo <dai.ngo@oracle.com> [ cel: added show_rca_mask() macro ] Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2022-12-10trace: Relocate event helper filesChuck Lever4-0/+683
Steven Rostedt says: > The include/trace/events/ directory should only hold files that > are to create events, not headers that hold helper functions. > > Can you please move them out of include/trace/events/ as that > directory is "special" in the creation of events. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Acked-by: Leon Romanovsky <leonro@nvidia.com> Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org> Acked-by: Anna Schumaker <Anna.Schumaker@Netapp.com>