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authorJeff Layton <jlayton@kernel.org>2022-08-05 13:43:48 +0300
committerDavid Howells <dhowells@redhat.com>2022-08-09 16:13:59 +0300
commit1a1e3aca9d4957e282945cdc2b58e7c560b8e0d2 (patch)
tree05042b4ba49575a893f6079f5f413c414cc406a8
parentfb24771faf72a2fd62b3b6287af3c610c3ec9cf1 (diff)
downloadlinux-1a1e3aca9d4957e282945cdc2b58e7c560b8e0d2.tar.xz
fscache: add tracepoint when failing cookie
Signed-off-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: David Howells <dhowells@redhat.com>
-rw-r--r--fs/fscache/cookie.c2
-rw-r--r--include/trace/events/fscache.h2
2 files changed, 4 insertions, 0 deletions
diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c
index 26a6d395737a..451d8a077e12 100644
--- a/fs/fscache/cookie.c
+++ b/fs/fscache/cookie.c
@@ -263,6 +263,8 @@ void fscache_caching_failed(struct fscache_cookie *cookie)
{
clear_bit(FSCACHE_COOKIE_IS_CACHING, &cookie->flags);
fscache_set_cookie_state(cookie, FSCACHE_COOKIE_STATE_FAILED);
+ trace_fscache_cookie(cookie->debug_id, refcount_read(&cookie->ref),
+ fscache_cookie_failed);
}
EXPORT_SYMBOL(fscache_caching_failed);
diff --git a/include/trace/events/fscache.h b/include/trace/events/fscache.h
index cb3fb337e880..c078c48a8e6d 100644
--- a/include/trace/events/fscache.h
+++ b/include/trace/events/fscache.h
@@ -49,6 +49,7 @@ enum fscache_volume_trace {
enum fscache_cookie_trace {
fscache_cookie_collision,
fscache_cookie_discard,
+ fscache_cookie_failed,
fscache_cookie_get_attach_object,
fscache_cookie_get_end_access,
fscache_cookie_get_hash_collision,
@@ -131,6 +132,7 @@ enum fscache_access_trace {
#define fscache_cookie_traces \
EM(fscache_cookie_collision, "*COLLIDE*") \
EM(fscache_cookie_discard, "DISCARD ") \
+ EM(fscache_cookie_failed, "FAILED ") \
EM(fscache_cookie_get_attach_object, "GET attch") \
EM(fscache_cookie_get_hash_collision, "GET hcoll") \
EM(fscache_cookie_get_end_access, "GQ endac") \