diff options
author | David Howells <dhowells@redhat.com> | 2020-10-19 23:32:55 +0300 |
---|---|---|
committer | David Howells <dhowells@redhat.com> | 2021-08-27 15:34:02 +0300 |
commit | c97a72ded933a1ec88fa8f8d7aecef098d3e540b (patch) | |
tree | 20f24ba0a0598975d2fe826ea36b6c0c6682b229 /fs | |
parent | 58f386a73f16cea1f78e8466cc5c402eb7f6fcf8 (diff) | |
download | linux-c97a72ded933a1ec88fa8f8d7aecef098d3e540b.tar.xz |
fscache: Change %p in format strings to something else
Change plain %p in format strings in fscache code to something more useful,
since %p is now hashed before printing and thus no longer matches the
contents of an oops register dump.
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
cc: linux-cachefs@redhat.com
Link: https://lore.kernel.org/r/160588474843.3465195.5446072310069374803.stgit@warthog.procyon.org.uk/ # rfc
Link: https://lore.kernel.org/r/162431199509.2908479.2950631488219944294.stgit@warthog.procyon.org.uk/
Diffstat (limited to 'fs')
-rw-r--r-- | fs/fscache/cache.c | 8 | ||||
-rw-r--r-- | fs/fscache/cookie.c | 16 | ||||
-rw-r--r-- | fs/fscache/object.c | 1 |
3 files changed, 11 insertions, 14 deletions
diff --git a/fs/fscache/cache.c b/fs/fscache/cache.c index 8a6ffcac867f..e7a5d7ab4085 100644 --- a/fs/fscache/cache.c +++ b/fs/fscache/cache.c @@ -116,7 +116,7 @@ struct fscache_cache *fscache_select_cache_for_object( cache = NULL; spin_unlock(&cookie->lock); - _leave(" = %p [parent]", cache); + _leave(" = %s [parent]", cache ? cache->tag->name : "NULL"); return cache; } @@ -152,14 +152,14 @@ struct fscache_cache *fscache_select_cache_for_object( if (test_bit(FSCACHE_IOERROR, &tag->cache->flags)) return NULL; - _leave(" = %p [specific]", tag->cache); + _leave(" = %s [specific]", tag->name); return tag->cache; no_preference: /* netfs has no preference - just select first cache */ cache = list_entry(fscache_cache_list.next, struct fscache_cache, link); - _leave(" = %p [first]", cache); + _leave(" = %s [first]", cache->tag->name); return cache; } @@ -334,7 +334,7 @@ static void fscache_withdraw_all_objects(struct fscache_cache *cache, struct fscache_object, cache_link); list_move_tail(&object->cache_link, dying_objects); - _debug("withdraw %p", object->cookie); + _debug("withdraw %x", object->cookie->debug_id); /* This must be done under object_list_lock to prevent * a race with fscache_drop_object(). diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c index 2f4d5271ad2e..ec9bce33085f 100644 --- a/fs/fscache/cookie.c +++ b/fs/fscache/cookie.c @@ -375,7 +375,7 @@ void __fscache_enable_cookie(struct fscache_cookie *cookie, bool (*can_enable)(void *data), void *data) { - _enter("%p", cookie); + _enter("%x", cookie->debug_id); trace_fscache_enable(cookie); @@ -472,10 +472,8 @@ static int fscache_acquire_non_index_cookie(struct fscache_cookie *cookie, /* we may be required to wait for lookup to complete at this point */ if (!fscache_defer_lookup) { - _debug("non-deferred lookup %p", &cookie->flags); wait_on_bit(&cookie->flags, FSCACHE_COOKIE_LOOKING_UP, TASK_UNINTERRUPTIBLE); - _debug("complete"); if (test_bit(FSCACHE_COOKIE_UNAVAILABLE, &cookie->flags)) goto unavailable; } @@ -500,7 +498,7 @@ static int fscache_alloc_object(struct fscache_cache *cache, struct fscache_object *object; int ret; - _enter("%p,%p{%s}", cache, cookie, cookie->def->name); + _enter("%s,%x{%s}", cache->tag->name, cookie->debug_id, cookie->def->name); spin_lock(&cookie->lock); hlist_for_each_entry(object, &cookie->backing_objects, @@ -676,7 +674,7 @@ EXPORT_SYMBOL(__fscache_invalidate); */ void __fscache_wait_on_invalidate(struct fscache_cookie *cookie) { - _enter("%p", cookie); + _enter("%x", cookie->debug_id); wait_on_bit(&cookie->flags, FSCACHE_COOKIE_INVALIDATING, TASK_UNINTERRUPTIBLE); @@ -731,7 +729,7 @@ void __fscache_disable_cookie(struct fscache_cookie *cookie, struct fscache_object *object; bool awaken = false; - _enter("%p,%u", cookie, invalidate); + _enter("%x,%u", cookie->debug_id, invalidate); trace_fscache_disable(cookie); @@ -821,8 +819,8 @@ void __fscache_relinquish_cookie(struct fscache_cookie *cookie, return; } - _enter("%p{%s,%p,%d},%d", - cookie, cookie->def->name, cookie->netfs_data, + _enter("%x{%s,%d},%d", + cookie->debug_id, cookie->def->name, atomic_read(&cookie->n_active), retire); trace_fscache_relinquish(cookie, retire); @@ -877,7 +875,7 @@ void fscache_cookie_put(struct fscache_cookie *cookie, struct fscache_cookie *parent; int usage; - _enter("%p", cookie); + _enter("%x", cookie->debug_id); do { usage = atomic_dec_return(&cookie->usage); diff --git a/fs/fscache/object.c b/fs/fscache/object.c index b3853274733f..f346a78f4bd6 100644 --- a/fs/fscache/object.c +++ b/fs/fscache/object.c @@ -518,7 +518,6 @@ void fscache_object_lookup_negative(struct fscache_object *object) set_bit(FSCACHE_COOKIE_NO_DATA_YET, &cookie->flags); clear_bit(FSCACHE_COOKIE_UNAVAILABLE, &cookie->flags); - _debug("wake up lookup %p", &cookie->flags); clear_bit_unlock(FSCACHE_COOKIE_LOOKING_UP, &cookie->flags); wake_up_bit(&cookie->flags, FSCACHE_COOKIE_LOOKING_UP); } |