From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx2.suse.de ([195.135.220.15]:43870 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751313AbeEJGiP (ORCPT ); Thu, 10 May 2018 02:38:15 -0400 Subject: Re: [PATCH v2 2/8] btrfs: rename btrfs_mask_flags to reflect which flags it touches To: David Sterba , linux-btrfs@vger.kernel.org Cc: misono.tomohiro@jp.fujitsu.com References: From: Nikolay Borisov Message-ID: <9f861bbe-1642-f560-bab9-f1e29fa748ab@suse.com> Date: Thu, 10 May 2018 09:38:12 +0300 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 9.05.2018 16:54, David Sterba wrote: > The FS_*_FL flags cannot be easily identified by a variable name prefix > but we still need to recognize them so the 'fsflags' should be closer to > the naming scheme but again the 'fs' part sounds like it's a filesystem > flag. I don't have a better idea for now. Why not using iflags, my reasoning is that the official documentation of those flags: http://man7.org/linux/man-pages/man2/ioctl_iflags.2.html refers to them as "inode flags" hence iflags or the slightly longer inode_flags? > > Signed-off-by: David Sterba > --- > fs/btrfs/ioctl.c | 9 +++++---- > 1 file changed, 5 insertions(+), 4 deletions(-) > > diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c > index 11edbdf3df7d..e93dc3a6f554 100644 > --- a/fs/btrfs/ioctl.c > +++ b/fs/btrfs/ioctl.c > @@ -93,11 +93,12 @@ static int btrfs_clone(struct inode *src, struct inode *inode, > int no_time_update); > > /* Mask out flags that are inappropriate for the given type of inode. */ > -static unsigned int btrfs_mask_flags(umode_t mode, unsigned int flags) > +static unsigned int btrfs_mask_fsflags_for_type(struct inode *inode, > + unsigned int flags) > { > - if (S_ISDIR(mode)) > + if (S_ISDIR(inode->i_mode)) > return flags; > - else if (S_ISREG(mode)) > + else if (S_ISREG(inode->i_mode)) > return flags & ~FS_DIRSYNC_FL; > else > return flags & (FS_NODUMP_FL | FS_NOATIME_FL); > @@ -218,7 +219,7 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg) > i_oldflags = inode->i_flags; > mode = inode->i_mode; > > - flags = btrfs_mask_flags(inode->i_mode, flags); > + flags = btrfs_mask_fsflags_for_type(inode, flags); > oldflags = btrfs_flags_to_ioctl(ip->flags); > if ((flags ^ oldflags) & (FS_APPEND_FL | FS_IMMUTABLE_FL)) { > if (!capable(CAP_LINUX_IMMUTABLE)) { >