Commit 1a1e3aca authored by Jeff Layton's avatar Jeff Layton Committed by David Howells
Browse files

fscache: add tracepoint when failing cookie 



Signed-off-by: default avatarJeff Layton <jlayton@kernel.org>
Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
parent fb24771f

fs/fscache/cookie.c

+2 −0
Original line number Diff line number Diff line
@@ -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);

include/trace/events/fscache.h

+2 −0
Original line number Diff line number Diff line
@@ -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")		\