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authorDavid Howells <dhowells@redhat.com>2018-04-04 13:41:27 +0100
committerDavid Howells <dhowells@redhat.com>2018-04-04 13:41:27 +0100
commit08c2e3d087840cd1e7141b62d92f3dc897147984 (patch)
treef5b5ad5c4732cc5cc4f5244f8153ad134a71d979 /fs/fscache/object.c
parenta18feb55769b705a44c4107786c4045eae2e87b6 (diff)
downloadlinux-08c2e3d087840cd1e7141b62d92f3dc897147984.tar.bz2
fscache: Add more tracepoints
Add more tracepoints to fscache, including: (*) fscache_page - Tracks netfs pages known to fscache. (*) fscache_check_page - Tracks the netfs querying whether a page is pending storage. (*) fscache_wake_cookie - Tracks cookies being woken up after a page completes/aborts storage in the cache. (*) fscache_op - Tracks operations being initialised. (*) fscache_wrote_page - Tracks return of the backend write_page op. (*) fscache_gang_lookup - Tracks lookup of pages to be stored in the write operation. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/fscache/object.c')
-rw-r--r--fs/fscache/object.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/fscache/object.c b/fs/fscache/object.c
index 99afe64352a5..7c0ddb7ae29a 100644
--- a/fs/fscache/object.c
+++ b/fs/fscache/object.c
@@ -982,11 +982,12 @@ static const struct fscache_state *_fscache_invalidate_object(struct fscache_obj
if (!op)
goto nomem;
- fscache_operation_init(op, object->cache->ops->invalidate_object,
+ fscache_operation_init(cookie, op, object->cache->ops->invalidate_object,
NULL, NULL);
op->flags = FSCACHE_OP_ASYNC |
(1 << FSCACHE_OP_EXCLUSIVE) |
(1 << FSCACHE_OP_UNUSE_COOKIE);
+ trace_fscache_page_op(cookie, NULL, op, fscache_page_op_invalidate);
spin_lock(&cookie->lock);
if (fscache_submit_exclusive_op(object, op) < 0)