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| author |   Jeff Layton <jlayton@kernel.org> | 2025-05-03 15:59:23 -0400 |
|---|---|---|
| committer |   Chuck Lever <chuck.lever@oracle.com> | 2025-05-11 19:48:31 -0400 |
| commit | 85b0b1f217856b19f7fc7a6b3bf2adafdcaf056e (patch) | |
| tree | b984b28d0a22d02fbf95ee1ac035fb68361f4509 /fs/nfsd | |
| parent | nfsd: add a tracepoint to nfsd_lookup_dentry (diff) | |
| download | wireguard-linux-85b0b1f217856b19f7fc7a6b3bf2adafdcaf056e.tar.xz wireguard-linux-85b0b1f217856b19f7fc7a6b3bf2adafdcaf056e.zip | |
nfsd: add nfsd_vfs_create tracepoints
Observe the start of file and directory creation for all NFS
versions.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/nfs3proc.c | 3 | ||||
| -rw-r--r-- | fs/nfsd/trace.h | 27 | ||||
| -rw-r--r-- | fs/nfsd/vfs.c | 2 |
3 files changed, 32 insertions, 0 deletions
diff --git a/fs/nfsd/nfs3proc.c b/fs/nfsd/nfs3proc.c index 372bdcf5e07a..5d2b081072e8 100644 --- a/fs/nfsd/nfs3proc.c +++ b/fs/nfsd/nfs3proc.c @@ -14,6 +14,7 @@ #include "xdr3.h" #include "vfs.h" #include "filecache.h" +#include "trace.h" #define NFSDDBG_FACILITY NFSDDBG_PROC @@ -266,6 +267,8 @@ nfsd3_create_file(struct svc_rqst *rqstp, struct svc_fh *fhp, __be32 status; int host_err; + trace_nfsd_vfs_create(rqstp, fhp, S_IFREG, argp->name, argp->len); + if (isdotent(argp->name, argp->len)) return nfserr_exist; if (!(iap->ia_valid & ATTR_MODE)) diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h index 661a870d62f5..a71d605fd7b7 100644 --- a/fs/nfsd/trace.h +++ b/fs/nfsd/trace.h @@ -2417,6 +2417,33 @@ TRACE_EVENT(nfsd_vfs_lookup, ) ); +TRACE_EVENT(nfsd_vfs_create, + TP_PROTO( + const struct svc_rqst *rqstp, + const struct svc_fh *fhp, + umode_t type, + const char *name, + unsigned int len + ), + TP_ARGS(rqstp, fhp, type, name, len), + TP_STRUCT__entry( + NFSD_TRACE_PROC_CALL_FIELDS(rqstp) + __field(u32, fh_hash) + __field(umode_t, type) + __string_len(name, name, len) + ), + TP_fast_assign( + NFSD_TRACE_PROC_CALL_ASSIGNMENTS(rqstp); + __entry->fh_hash = knfsd_fh_hash(&fhp->fh_handle); + __entry->type = type; + __assign_str(name); + ), + TP_printk("xid=0x%08x fh_hash=0x%08x type=%s name=%s", + __entry->xid, __entry->fh_hash, + show_fs_file_type(__entry->type), __get_str(name) + ) +); + #endif /* _NFSD_TRACE_H */ #undef TRACE_INCLUDE_PATH diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 657ba0c2da14..cc0efc47dc25 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -1549,6 +1549,8 @@ nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp, __be32 err; int host_err; + trace_nfsd_vfs_create(rqstp, fhp, type, fname, flen); + if (isdotent(fname, flen)) return nfserr_exist; |