diff options
| author | Jeff Layton <jlayton@kernel.org> | 2025-05-03 15:59:27 -0400 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2025-05-11 19:48:33 -0400 |
| commit | b52f2a79fb39eeb1f23d8932cf6692dadf6c9647 (patch) | |
| tree | 0b69f3d94114d3e6d604bc77db01c51a092d4258 | |
| parent | 51195263cdb8ba6aa4f3e6f6ee06a41f3717c87b (diff) | |
nfsd: add tracepoint to nfsd_rename
Observe the start of RENAME operations for all NFS versions.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
| -rw-r--r-- | fs/nfsd/trace.h | 31 | ||||
| -rw-r--r-- | fs/nfsd/vfs.c | 2 |
2 files changed, 33 insertions, 0 deletions
diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h index e96585546d01..46091d7f2260 100644 --- a/fs/nfsd/trace.h +++ b/fs/nfsd/trace.h @@ -2522,6 +2522,37 @@ TRACE_EVENT(nfsd_vfs_unlink, ) ); +TRACE_EVENT(nfsd_vfs_rename, + TP_PROTO( + const struct svc_rqst *rqstp, + const struct svc_fh *sfhp, + const struct svc_fh *tfhp, + const char *source, + unsigned int sourcelen, + const char *target, + unsigned int targetlen + ), + TP_ARGS(rqstp, sfhp, tfhp, source, sourcelen, target, targetlen), + TP_STRUCT__entry( + NFSD_TRACE_PROC_CALL_FIELDS(rqstp) + __field(u32, sfh_hash) + __field(u32, tfh_hash) + __string_len(source, source, sourcelen) + __string_len(target, target, targetlen) + ), + TP_fast_assign( + NFSD_TRACE_PROC_CALL_ASSIGNMENTS(rqstp); + __entry->sfh_hash = knfsd_fh_hash(&sfhp->fh_handle); + __entry->tfh_hash = knfsd_fh_hash(&tfhp->fh_handle); + __assign_str(source); + __assign_str(target); + ), + TP_printk("xid=0x%08x sfh_hash=0x%08x tfh_hash=0x%08x source=%s target=%s", + __entry->xid, __entry->sfh_hash, __entry->tfh_hash, + __get_str(source), __get_str(target) + ) +); + #endif /* _NFSD_TRACE_H */ #undef TRACE_INCLUDE_PATH diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 820290e5328f..41314b2a8199 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -1840,6 +1840,8 @@ nfsd_rename(struct svc_rqst *rqstp, struct svc_fh *ffhp, char *fname, int flen, int host_err; bool close_cached = false; + trace_nfsd_vfs_rename(rqstp, ffhp, tfhp, fname, flen, tname, tlen); + err = fh_verify(rqstp, ffhp, S_IFDIR, NFSD_MAY_REMOVE); if (err) goto out; |