Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752403AbcD2IOw (ORCPT ); Fri, 29 Apr 2016 04:14:52 -0400 Received: from out4133-2.mail.aliyun.com ([42.120.133.2]:37874 "EHLO out4133-2.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750940AbcD2IOr (ORCPT ); Fri, 29 Apr 2016 04:14:47 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R451e4;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e02c03285;MF=hillf.zj@alibaba-inc.com;NM=1;PH=DS;RN=2;SR=0;TI=SMTPD_----4kkIio9_1461917668; Reply-To: "Hillf Danton" From: "Hillf Danton" To: "'Gustavo Padovan'" Cc: "linux-kernel" References: <00da01d1a1ed$f8d8e4a0$ea8aade0$@alibaba-inc.com> In-Reply-To: <00da01d1a1ed$f8d8e4a0$ea8aade0$@alibaba-inc.com> Subject: Re: [PATCH v2 02/13] staging/android: drop sync_file_install() and sync_file_put() Date: Fri, 29 Apr 2016 16:14:28 +0800 Message-ID: <00dc01d1a1ef$2692b6e0$73b824a0$@alibaba-inc.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQJBJh/0pWnzPpuQwRlZMp1izV4FeJ7Bj7ig Content-Language: zh-cn Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3551 Lines: 116 > > From: Gustavo Padovan > > These two functions are just wrappers for one line functions, they > call fd_install() and fput() respectively, so just get rid of them > and use fd_install() and fput() directly for more simplicity. > Given sync_file is not file, I don't see that simplicity is worth of the change of 20+ lines. Can you please specify the disadvantages of the wrappers? > Signed-off-by: Gustavo Padovan > Reviewed-by: Daniel Vetter > --- > drivers/staging/android/sync.c | 20 ++++---------------- > drivers/staging/android/sync.h | 19 ------------------- > drivers/staging/android/sync_debug.c | 4 ++-- > 3 files changed, 6 insertions(+), 37 deletions(-) > > diff --git a/drivers/staging/android/sync.c b/drivers/staging/android/sync.c > index f9c6094..b965e2a 100644 > --- a/drivers/staging/android/sync.c > +++ b/drivers/staging/android/sync.c > @@ -216,18 +216,6 @@ err: > } > EXPORT_SYMBOL(sync_file_fdget); > > -void sync_file_put(struct sync_file *sync_file) > -{ > - fput(sync_file->file); > -} > -EXPORT_SYMBOL(sync_file_put); > - > -void sync_file_install(struct sync_file *sync_file, int fd) > -{ > - fd_install(fd, sync_file->file); > -} > -EXPORT_SYMBOL(sync_file_install); > - > static void sync_file_add_pt(struct sync_file *sync_file, int *i, > struct fence *fence) > { > @@ -469,15 +457,15 @@ static long sync_file_ioctl_merge(struct sync_file *sync_file, > goto err_put_fence3; > } > > - sync_file_install(fence3, fd); > - sync_file_put(fence2); > + fd_install(fd, fence3->file); > + fput(fence2->file); > return 0; > > err_put_fence3: > - sync_file_put(fence3); > + fput(fence3->file); > > err_put_fence2: > - sync_file_put(fence2); > + fput(fence2->file); > > err_put_fd: > put_unused_fd(fd); > diff --git a/drivers/staging/android/sync.h b/drivers/staging/android/sync.h > index d2a1734..c45cc7b 100644 > --- a/drivers/staging/android/sync.h > +++ b/drivers/staging/android/sync.h > @@ -203,25 +203,6 @@ struct sync_file *sync_file_merge(const char *name, > */ > struct sync_file *sync_file_fdget(int fd); > > -/** > - * sync_file_put() - puts a reference of a sync_file > - * @sync_file: sync_file to put > - * > - * Puts a reference on @sync_fence. If this is the last reference, the > - * sync_fil and all it's sync_pts will be freed > - */ > -void sync_file_put(struct sync_file *sync_file); > - > -/** > - * sync_file_install() - installs a sync_file into a file descriptor > - * @sync_file: sync_file to install > - * @fd: file descriptor in which to install the fence > - * > - * Installs @sync_file into @fd. @fd's should be acquired through > - * get_unused_fd_flags(O_CLOEXEC). > - */ > -void sync_file_install(struct sync_file *sync_file, int fd); > - > #ifdef CONFIG_DEBUG_FS > > void sync_timeline_debug_add(struct sync_timeline *obj); > diff --git a/drivers/staging/android/sync_debug.c b/drivers/staging/android/sync_debug.c > index 5a7ec58..e4b0e41 100644 > --- a/drivers/staging/android/sync_debug.c > +++ b/drivers/staging/android/sync_debug.c > @@ -272,12 +272,12 @@ static long sw_sync_ioctl_create_fence(struct sw_sync_timeline *obj, > > data.fence = fd; > if (copy_to_user((void __user *)arg, &data, sizeof(data))) { > - sync_file_put(sync_file); > + fput(sync_file->file); > err = -EFAULT; > goto err; > } > > - sync_file_install(sync_file, fd); > + fd_install(fd, sync_file->file); > > return 0; > > -- > 2.5.5 > >