From patchwork Thu Jan 25 10:42:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 13530564 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 284905BAF3; Thu, 25 Jan 2024 10:44:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706179449; cv=none; b=B3QXU535pKeR+75ZjE1yCygihoqBOgeTARRIdgO9oHtYcw5TYwxDN5jZk01tLEFjmzYOJMIbaehL0jWWDzz/IJ0YTZC7b3CpOYOHvEDjRijUHLnGlQO0tTCiyzLu8rVcYBtd5oJ292O97DZU9juY3FM0kU43xKOJSxe882kTctk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706179449; c=relaxed/simple; bh=SE+jYS/yZlt9ls0SIupp0FcJqUlb1fCGOHRTNcE5DEc=; 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a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 Convert more internal fs/locks.c functions to take and deal with struct file_lock_core instead of struct file_lock: - locks_dump_ctx_list - locks_check_ctx_file_list - locks_release_private - locks_owner_has_blockers Signed-off-by: Jeff Layton --- fs/locks.c | 51 +++++++++++++++++++++++++-------------------------- 1 file changed, 25 insertions(+), 26 deletions(-) diff --git a/fs/locks.c b/fs/locks.c index 3a91515dbccd..a0d6fc0e043a 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -197,13 +197,12 @@ locks_get_lock_context(struct inode *inode, int type) static void locks_dump_ctx_list(struct list_head *list, char *list_type) { - struct file_lock *fl; + struct file_lock_core *flc; - list_for_each_entry(fl, list, fl_core.flc_list) { - pr_warn("%s: fl_owner=%p fl_flags=0x%x fl_type=0x%x fl_pid=%u\n", list_type, - fl->fl_core.flc_owner, fl->fl_core.flc_flags, - fl->fl_core.flc_type, fl->fl_core.flc_pid); - } + list_for_each_entry(flc, list, flc_list) + pr_warn("%s: fl_owner=%p fl_flags=0x%x fl_type=0x%x fl_pid=%u\n", + list_type, flc->flc_owner, flc->flc_flags, + flc->flc_type, flc->flc_pid); } static void @@ -224,20 +223,19 @@ locks_check_ctx_lists(struct inode *inode) } static void -locks_check_ctx_file_list(struct file *filp, struct list_head *list, - char *list_type) +locks_check_ctx_file_list(struct file *filp, struct list_head *list, char *list_type) { - struct file_lock *fl; + struct file_lock_core *flc; struct inode *inode = file_inode(filp); - list_for_each_entry(fl, list, fl_core.flc_list) - if (fl->fl_core.flc_file == filp) + list_for_each_entry(flc, list, flc_list) + if (flc->flc_file == filp) pr_warn("Leaked %s lock on dev=0x%x:0x%x ino=0x%lx " " fl_owner=%p fl_flags=0x%x fl_type=0x%x fl_pid=%u\n", list_type, MAJOR(inode->i_sb->s_dev), MINOR(inode->i_sb->s_dev), inode->i_ino, - fl->fl_core.flc_owner, fl->fl_core.flc_flags, - fl->fl_core.flc_type, fl->fl_core.flc_pid); + flc->flc_owner, flc->flc_flags, + flc->flc_type, flc->flc_pid); } void @@ -274,11 +272,13 @@ EXPORT_SYMBOL_GPL(locks_alloc_lock); void locks_release_private(struct file_lock *fl) { - BUG_ON(waitqueue_active(&fl->fl_core.flc_wait)); - BUG_ON(!list_empty(&fl->fl_core.flc_list)); - BUG_ON(!list_empty(&fl->fl_core.flc_blocked_requests)); - BUG_ON(!list_empty(&fl->fl_core.flc_blocked_member)); - BUG_ON(!hlist_unhashed(&fl->fl_core.flc_link)); + struct file_lock_core *flc = &fl->fl_core; + + BUG_ON(waitqueue_active(&flc->flc_wait)); + BUG_ON(!list_empty(&flc->flc_list)); + BUG_ON(!list_empty(&flc->flc_blocked_requests)); + BUG_ON(!list_empty(&flc->flc_blocked_member)); + BUG_ON(!hlist_unhashed(&flc->flc_link)); if (fl->fl_ops) { if (fl->fl_ops->fl_release_private) @@ -288,8 +288,8 @@ void locks_release_private(struct file_lock *fl) if (fl->fl_lmops) { if (fl->fl_lmops->lm_put_owner) { - fl->fl_lmops->lm_put_owner(fl->fl_core.flc_owner); - fl->fl_core.flc_owner = NULL; + fl->fl_lmops->lm_put_owner(flc->flc_owner); + flc->flc_owner = NULL; } fl->fl_lmops = NULL; } @@ -305,16 +305,15 @@ EXPORT_SYMBOL_GPL(locks_release_private); * %true: @owner has at least one blocker * %false: @owner has no blockers */ -bool locks_owner_has_blockers(struct file_lock_context *flctx, - fl_owner_t owner) +bool locks_owner_has_blockers(struct file_lock_context *flctx, fl_owner_t owner) { - struct file_lock *fl; + struct file_lock_core *flc; spin_lock(&flctx->flc_lock); - list_for_each_entry(fl, &flctx->flc_posix, fl_core.flc_list) { - if (fl->fl_core.flc_owner != owner) + list_for_each_entry(flc, &flctx->flc_posix, flc_list) { + if (flc->flc_owner != owner) continue; - if (!list_empty(&fl->fl_core.flc_blocked_requests)) { + if (!list_empty(&flc->flc_blocked_requests)) { spin_unlock(&flctx->flc_lock); return true; }