Change plain %p in format strings in cachefiles 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 <[email protected]> --- fs/cachefiles/bind.c | 2 -- fs/cachefiles/interface.c | 6 +++--- fs/cachefiles/key.c | 2 +- fs/cachefiles/namei.c | 48 +++++++++++++++++++++------------------------ fs/cachefiles/xattr.c | 4 ++-- 5 files changed, 28 insertions(+), 34 deletions(-) diff --git a/fs/cachefiles/bind.c b/fs/cachefiles/bind.c index 38bb7764b454..d463d89f5db8 100644 --- a/fs/cachefiles/bind.c +++ b/fs/cachefiles/bind.c @@ -108,8 +108,6 @@ static int cachefiles_daemon_add_cache(struct cachefiles_cache *cache) atomic_set(&fsdef->usage, 1); fsdef->type = FSCACHE_COOKIE_TYPE_INDEX; - _debug("- fsdef %p", fsdef); - /* look up the directory at the root of the cache */ ret = kern_path(cache->rootdirname, LOOKUP_DIRECTORY, &path); if (ret < 0) diff --git a/fs/cachefiles/interface.c b/fs/cachefiles/interface.c index da3948fdb615..da28ac1fa225 100644 --- a/fs/cachefiles/interface.c +++ b/fs/cachefiles/interface.c @@ -33,7 +33,7 @@ static struct fscache_object *cachefiles_alloc_object( cache = container_of(_cache, struct cachefiles_cache, cache); - _enter("{%s},%p,", cache->cache.identifier, cookie); + _enter("{%s},%x,", cache->cache.identifier, cookie->debug_id); lookup_data = kmalloc(sizeof(*lookup_data), cachefiles_gfp); if (!lookup_data) @@ -96,7 +96,7 @@ static struct fscache_object *cachefiles_alloc_object( lookup_data->key = key; object->lookup_data = lookup_data; - _leave(" = %p [%p]", &object->fscache, lookup_data); + _leave(" = %x [%p]", object->fscache.debug_id, lookup_data); return &object->fscache; nomem_key: @@ -379,7 +379,7 @@ static void cachefiles_sync_cache(struct fscache_cache *_cache) const struct cred *saved_cred; int ret; - _enter("%p", _cache); + _enter("%s", _cache->tag->name); cache = container_of(_cache, struct cachefiles_cache, cache); diff --git a/fs/cachefiles/key.c b/fs/cachefiles/key.c index be96f5fc5cac..7f94efc97e23 100644 --- a/fs/cachefiles/key.c +++ b/fs/cachefiles/key.c @@ -150,6 +150,6 @@ char *cachefiles_cook_key(const u8 *raw, int keylen, uint8_t type) key[len++] = 0; key[len] = 0; - _leave(" = %p %d", key, len); + _leave(" = %s %d", key, len); return key; } diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c index 92aa550dae7e..a9aca5ab5970 100644 --- a/fs/cachefiles/namei.c +++ b/fs/cachefiles/namei.c @@ -39,18 +39,18 @@ void __cachefiles_printk_object(struct cachefiles_object *object, pr_err("%sops=%u inp=%u exc=%u\n", prefix, object->fscache.n_ops, object->fscache.n_in_progress, object->fscache.n_exclusive); - pr_err("%sparent=%p\n", - prefix, object->fscache.parent); + pr_err("%sparent=%x\n", + prefix, object->fscache.parent ? object->fscache.parent->debug_id : 0); spin_lock(&object->fscache.lock); cookie = object->fscache.cookie; if (cookie) { - pr_err("%scookie=%p [pr=%p nd=%p fl=%lx]\n", + pr_err("%scookie=%x [pr=%x nd=%p fl=%lx]\n", prefix, - object->fscache.cookie, - object->fscache.cookie->parent, - object->fscache.cookie->netfs_data, - object->fscache.cookie->flags); + cookie->debug_id, + cookie->parent ? cookie->parent->debug_id : 0, + cookie->netfs_data, + cookie->flags); pr_err("%skey=[%u] '", prefix, cookie->key_len); k = (cookie->key_len <= sizeof(cookie->inline_key)) ? cookie->inline_key : cookie->key; @@ -110,7 +110,7 @@ static void cachefiles_mark_object_buried(struct cachefiles_cache *cache, /* found the dentry for */ found_dentry: - kdebug("preemptive burial: OBJ%x [%s] %p", + kdebug("preemptive burial: OBJ%x [%s] %pd", object->fscache.debug_id, object->fscache.state->name, dentry); @@ -140,7 +140,7 @@ static int cachefiles_mark_object_active(struct cachefiles_cache *cache, struct rb_node **_p, *_parent = NULL; struct dentry *dentry; - _enter(",%p", object); + _enter(",%x", object->fscache.debug_id); try_again: write_lock(&cache->active_lock); @@ -298,8 +298,6 @@ static int cachefiles_bury_object(struct cachefiles_cache *cache, _enter(",'%pd','%pd'", dir, rep); - _debug("remove %p from %p", rep, dir); - /* non-directories can just be unlinked */ if (!d_is_dir(rep)) { _debug("unlink stale object"); @@ -446,7 +444,7 @@ int cachefiles_delete_object(struct cachefiles_cache *cache, struct dentry *dir; int ret; - _enter(",OBJ%x{%p}", object->fscache.debug_id, object->dentry); + _enter(",OBJ%x{%pd}", object->fscache.debug_id, object->dentry); ASSERT(object->dentry); ASSERT(d_backing_inode(object->dentry)); @@ -499,7 +497,7 @@ int cachefiles_walk_to_object(struct cachefiles_object *parent, const char *name; int ret, nlen; - _enter("OBJ%x{%p},OBJ%x,%s,", + _enter("OBJ%x{%pd},OBJ%x,%s,", parent->fscache.debug_id, parent->dentry, object->fscache.debug_id, key); @@ -542,7 +540,7 @@ int cachefiles_walk_to_object(struct cachefiles_object *parent, inode = d_backing_inode(next); trace_cachefiles_lookup(object, next, inode); - _debug("next -> %p %s", next, inode ? "positive" : "negative"); + _debug("next -> %pd %s", next, inode ? "positive" : "negative"); if (!key) object->new = !inode; @@ -578,8 +576,8 @@ int cachefiles_walk_to_object(struct cachefiles_object *parent, } ASSERT(d_backing_inode(next)); - _debug("mkdir -> %p{%p{ino=%lu}}", - next, d_backing_inode(next), d_backing_inode(next)->i_ino); + _debug("mkdir -> %pd{ino=%lu}", + next, d_backing_inode(next)->i_ino); } else if (!d_can_lookup(next)) { pr_err("inode %lu is not a directory\n", @@ -607,8 +605,8 @@ int cachefiles_walk_to_object(struct cachefiles_object *parent, ASSERT(d_backing_inode(next)); - _debug("create -> %p{%p{ino=%lu}}", - next, d_backing_inode(next), d_backing_inode(next)->i_ino); + _debug("create -> %pd{ino=%lu}", + next, d_backing_inode(next)->i_ino); } else if (!d_can_lookup(next) && !d_is_reg(next) @@ -774,7 +772,7 @@ struct dentry *cachefiles_get_directory(struct cachefiles_cache *cache, goto lookup_error; } - _debug("subdir -> %p %s", + _debug("subdir -> %pd %s", subdir, d_backing_inode(subdir) ? "positive" : "negative"); /* we need to create the subdir if it doesn't exist yet */ @@ -800,10 +798,8 @@ struct dentry *cachefiles_get_directory(struct cachefiles_cache *cache, } ASSERT(d_backing_inode(subdir)); - _debug("mkdir -> %p{%p{ino=%lu}}", - subdir, - d_backing_inode(subdir), - d_backing_inode(subdir)->i_ino); + _debug("mkdir -> %pd{ino=%lu}", + subdir, d_backing_inode(subdir)->i_ino); } inode_unlock(d_inode(dir)); @@ -878,7 +874,7 @@ static struct dentry *cachefiles_check_active(struct cachefiles_cache *cache, if (IS_ERR(victim)) goto lookup_error; - //_debug("victim -> %p %s", + //_debug("victim -> %pd %s", // victim, d_backing_inode(victim) ? "positive" : "negative"); /* if the object is no longer there then we probably retired the object @@ -909,7 +905,7 @@ static struct dentry *cachefiles_check_active(struct cachefiles_cache *cache, read_unlock(&cache->active_lock); - //_leave(" = %p", victim); + //_leave(" = %pd", victim); return victim; object_in_use: @@ -955,7 +951,7 @@ int cachefiles_cull(struct cachefiles_cache *cache, struct dentry *dir, if (IS_ERR(victim)) return PTR_ERR(victim); - _debug("victim -> %p %s", + _debug("victim -> %pd %s", victim, d_backing_inode(victim) ? "positive" : "negative"); /* okay... the victim is not being used so we can cull it diff --git a/fs/cachefiles/xattr.c b/fs/cachefiles/xattr.c index a591b5e09637..9e82de668595 100644 --- a/fs/cachefiles/xattr.c +++ b/fs/cachefiles/xattr.c @@ -36,7 +36,7 @@ int cachefiles_check_object_type(struct cachefiles_object *object) else snprintf(type, 3, "%02x", object->fscache.cookie->def->type); - _enter("%p{%s}", object, type); + _enter("%x{%s}", object->fscache.debug_id, type); /* attempt to install a type label directly */ ret = vfs_setxattr(&init_user_ns, dentry, cachefiles_xattr_cache, type, @@ -134,7 +134,7 @@ int cachefiles_update_object_xattr(struct cachefiles_object *object, if (!dentry) return -ESTALE; - _enter("%p,#%d", object, auxdata->len); + _enter("%x,#%d", object->fscache.debug_id, auxdata->len); /* attempt to install the cache metadata directly */ _debug("SET #%u", auxdata->len); -- Linux-cachefs mailing list [email protected] https://listman.redhat.com/mailman/listinfo/linux-cachefs
