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| author | Chuck Lever <chuck.lever@oracle.com> | 2019-11-05 17:04:07 +0100 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-11-18 10:58:39 +0100 |
| commit | 511ba52e4c01fd1878140774e6215e0de6c2f36f (patch) | |
| tree | 46c3c10efddf5445dc6eac17cbada8f067231a3a /fs/nfs/nfs4state.c | |
| parent | Merge tag 'nfs-rdma-for-5.5-1' of git://git.linux-nfs.org/projects/anna/linux... (diff) | |
| download | linux-511ba52e4c01fd1878140774e6215e0de6c2f36f.tar.xz linux-511ba52e4c01fd1878140774e6215e0de6c2f36f.zip | |
NFS4: Trace state recovery operation
Add a trace point in the main state manager loop to observe state
recovery operation. Help track down state recovery bugs.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs/nfs4state.c')
| -rw-r--r-- | fs/nfs/nfs4state.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index ba97b9cf632c..4c4d05d2848b 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -60,6 +60,7 @@ #include "nfs4session.h" #include "pnfs.h" #include "netns.h" +#include "nfs4trace.h" #define NFSDBG_FACILITY NFSDBG_STATE @@ -2539,6 +2540,7 @@ static void nfs4_state_manager(struct nfs_client *clp) /* Ensure exclusive access to NFSv4 state */ do { + trace_nfs4_state_mgr(clp); clear_bit(NFS4CLNT_RUN_MANAGER, &clp->cl_state); if (test_bit(NFS4CLNT_PURGE_STATE, &clp->cl_state)) { section = "purge state"; @@ -2652,6 +2654,7 @@ static void nfs4_state_manager(struct nfs_client *clp) out_error: if (strlen(section)) section_sep = ": "; + trace_nfs4_state_mgr_failed(clp, section, status); pr_warn_ratelimited("NFS: state manager%s%s failed on NFSv4 server %s" " with error %d\n", section_sep, section, clp->cl_hostname, -status); |