diff options
| -rw-r--r-- | fs/nfsd/filecache.c | 5 | ||||
| -rw-r--r-- | fs/nfsd/trace.h | 31 |
2 files changed, 35 insertions, 1 deletions
diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c index da7c9cb12403..1998b4d5f692 100644 --- a/fs/nfsd/filecache.c +++ b/fs/nfsd/filecache.c @@ -336,10 +336,13 @@ static void nfsd_file_fsync(struct nfsd_file *nf) { struct file *file = nf->nf_file; + int ret; if (!file || !(file->f_mode & FMODE_WRITE)) return; - if (vfs_fsync(file, 1) != 0) + ret = vfs_fsync(file, 1); + trace_nfsd_file_fsync(nf, ret); + if (ret) nfsd_reset_write_verifier(net_generic(nf->nf_net, nfsd_net_id)); } diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h index 0177cfa50556..33567b87cc6b 100644 --- a/fs/nfsd/trace.h +++ b/fs/nfsd/trace.h @@ -1238,6 +1238,37 @@ DEFINE_EVENT(nfsd_file_lruwalk_class, name, \ DEFINE_NFSD_FILE_LRUWALK_EVENT(nfsd_file_gc_removed); DEFINE_NFSD_FILE_LRUWALK_EVENT(nfsd_file_shrinker_removed); +TRACE_EVENT(nfsd_file_fsync, + TP_PROTO( + const struct nfsd_file *nf, + int ret + ), + TP_ARGS(nf, ret), + TP_STRUCT__entry( + __field(void *, nf_inode) + __field(int, nf_ref) + __field(int, ret) + __field(unsigned long, nf_flags) + __field(unsigned char, nf_may) + __field(struct file *, nf_file) + ), + TP_fast_assign( + __entry->nf_inode = nf->nf_inode; + __entry->nf_ref = refcount_read(&nf->nf_ref); + __entry->ret = ret; + __entry->nf_flags = nf->nf_flags; + __entry->nf_may = nf->nf_may; + __entry->nf_file = nf->nf_file; + ), + TP_printk("inode=%p ref=%d flags=%s may=%s nf_file=%p ret=%d", + __entry->nf_inode, + __entry->nf_ref, + show_nf_flags(__entry->nf_flags), + show_nfsd_may_flags(__entry->nf_may), + __entry->nf_file, __entry->ret + ) +); + #include "cache.h" TRACE_DEFINE_ENUM(RC_DROPIT); |