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| author | Trond Myklebust <trondmy@gmail.com> | 2020-03-02 00:21:41 +0100 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2020-03-16 17:04:33 +0100 |
| commit | 6a30e47fa0c358cc84002e6a429f5f229e0b7b07 (patch) | |
| tree | b4e8993db7c83f7a46fcd394b8d631c8633192df /fs/nfsd/export.c | |
| parent | nfsd: Add tracepoints for exp_find_key() and exp_get_by_name() (diff) | |
| download | linux-6a30e47fa0c358cc84002e6a429f5f229e0b7b07.tar.xz linux-6a30e47fa0c358cc84002e6a429f5f229e0b7b07.zip | |
nfsd: Add tracepoints for update of the expkey and export cache entries
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/nfsd/export.c')
| -rw-r--r-- | fs/nfsd/export.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c index e867db0bb380..6e6cbeb7ac2b 100644 --- a/fs/nfsd/export.c +++ b/fs/nfsd/export.c @@ -141,7 +141,9 @@ static int expkey_parse(struct cache_detail *cd, char *mesg, int mlen) if (len == 0) { set_bit(CACHE_NEGATIVE, &key.h.flags); ek = svc_expkey_update(cd, &key, ek); - if (!ek) + if (ek) + trace_nfsd_expkey_update(ek, NULL); + else err = -ENOMEM; } else { err = kern_path(buf, 0, &key.ek_path); @@ -151,7 +153,9 @@ static int expkey_parse(struct cache_detail *cd, char *mesg, int mlen) dprintk("Found the path %s\n", buf); ek = svc_expkey_update(cd, &key, ek); - if (!ek) + if (ek) + trace_nfsd_expkey_update(ek, buf); + else err = -ENOMEM; path_put(&key.ek_path); } @@ -644,15 +648,17 @@ static int svc_export_parse(struct cache_detail *cd, char *mesg, int mlen) } expp = svc_export_lookup(&exp); - if (expp) - expp = svc_export_update(&exp, expp); - else - err = -ENOMEM; - cache_flush(); - if (expp == NULL) + if (!expp) { err = -ENOMEM; - else + goto out4; + } + expp = svc_export_update(&exp, expp); + if (expp) { + trace_nfsd_export_update(expp); + cache_flush(); exp_put(expp); + } else + err = -ENOMEM; out4: nfsd4_fslocs_free(&exp.ex_fslocs); kfree(exp.ex_uuid); |