From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com ([209.132.183.28]:47474 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754398AbdDFLXZ (ORCPT ); Thu, 6 Apr 2017 07:23:25 -0400 From: Benjamin Coddington To: Trond Myklebust , Anna Schumaker , Jeff Layton , bfields@fieldses.org, Miklos Szeredi , Alexander Viro Cc: linux-nfs@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 3/6] locks: Set FL_CLOSE when removing flock locks on close() Date: Thu, 6 Apr 2017 07:23:19 -0400 Message-Id: In-Reply-To: References: In-Reply-To: References: Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Set FL_CLOSE in fl_flags as in locks_remove_posix() when clearing locks. NFS will check for this flag to ensure an unlock is sent in a following patch. Fuse handles flock and posix locks differently for FL_CLOSE, and so requires a fixup to retain the existing behavior for flock. Signed-off-by: Benjamin Coddington --- fs/fuse/file.c | 2 +- fs/locks.c | 2 +- include/linux/fs.h | 2 ++ 3 files changed, 4 insertions(+), 2 deletions(-) diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 2401c5dabb2a..79e1a3a048a8 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -2172,7 +2172,7 @@ static int fuse_setlk(struct file *file, struct file_lock *fl, int flock) } /* Unlock on close is handled by the flush method */ - if (fl->fl_flags & FL_CLOSE) + if (fl->fl_flags & FL_CLOSE_POSIX == FL_CLOSE_POSIX) return 0; fuse_lk_fill(&args, file, fl, opcode, pid, flock, &inarg); diff --git a/fs/locks.c b/fs/locks.c index 26811321d39b..af2031a1fcff 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -2504,7 +2504,7 @@ locks_remove_flock(struct file *filp, struct file_lock_context *flctx) .fl_owner = filp, .fl_pid = current->tgid, .fl_file = filp, - .fl_flags = FL_FLOCK, + .fl_flags = FL_FLOCK | FL_CLOSE, .fl_type = F_UNLCK, .fl_end = OFFSET_MAX, }; diff --git a/include/linux/fs.h b/include/linux/fs.h index 2ba074328894..e964ae0a9c29 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -903,6 +903,8 @@ static inline struct file *get_file(struct file *f) #define FL_OFDLCK 1024 /* lock is "owned" by struct file */ #define FL_LAYOUT 2048 /* outstanding pNFS layout */ +#define FL_CLOSE_POSIX (FL_POSIX | FL_CLOSE) + /* * Special return value from posix_lock_file() and vfs_lock_file() for * asynchronous locking. -- 2.9.3