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a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1706179448; bh=SE+jYS/yZlt9ls0SIupp0FcJqUlb1fCGOHRTNcE5DEc=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=CSKpKtaeM1ZK2EklKrPZzbfB8uWFGiSfnTjub51zshkJZquDPvZyjVy9wKFxBkt54 XSDgjfv0PZWvdA0aDFCMcKJAwET/y8xugm/1yYS27cTS7SYsMFuLVWOUEQcp9mnHT0 /Sa/xdwtx/HiY7C8o/EQ0SrysHw4hwog0+IhhbffRLBe+9ztQy0at1+BscdX7pXyTH qsSU9NDW+HKgLEFrO2GGbsN5+J+QIgV1ekUkmPozlpZ5LCW4OpNfBiriidvIMk1iA/ VYs89tq9CXvGAgfSuS+FtyqRI+IGNMIkt/pmdFOwm8LM4vwGpPNLB5ClxBZ1Bb8v2y ptnVP6tmEzVcQ== From: Jeff Layton Date: Thu, 25 Jan 2024 05:42:55 -0500 Subject: [PATCH v2 14/41] filelock: convert more internal functions to use file_lock_core Precedence: bulk X-Mailing-List: linux-cifs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240125-flsplit-v2-14-7485322b62c7@kernel.org> References: <20240125-flsplit-v2-0-7485322b62c7@kernel.org> In-Reply-To: <20240125-flsplit-v2-0-7485322b62c7@kernel.org> To: Christian Brauner , Alexander Viro , Eric Van Hensbergen , Latchesar Ionkov , Dominique Martinet , Christian Schoenebeck , David Howells , Marc Dionne , Xiubo Li , Ilya Dryomov , Alexander Aring , David Teigland , Miklos Szeredi , Andreas Gruenbacher , Trond Myklebust , Anna Schumaker , Chuck Lever , Neil Brown , Olga Kornievskaia , Dai Ngo , Tom Talpey , Jan Kara , Mark Fasheh , Joel Becker , Joseph Qi , Steve French , Paulo Alcantara , Shyam Prasad N , Namjae Jeon , Sergey Senozhatsky , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Ronnie Sahlberg Cc: linux-kernel@vger.kernel.org, v9fs@lists.linux.dev, linux-afs@lists.infradead.org, ceph-devel@vger.kernel.org, gfs2@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, ocfs2-devel@lists.linux.dev, linux-cifs@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Jeff Layton X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; 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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; }