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List:       linux-api
Subject:    Re: [PATCH 3/3] signalfd: add ability to read siginfo-s without dequeuing signals (v3)
From:       Oleg Nesterov <oleg () redhat ! com>
Date:       2012-12-28 15:40:19
Message-ID: 20121228154019.GA31095 () redhat ! com
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On 12/28, Oleg Nesterov wrote:
>
> On 12/28, Andrey Vagin wrote:
> >
> > @@ -338,6 +379,7 @@ SYSCALL_DEFINE4(signalfd4, int, ufd, sigset_t __user *, user_mask,
> >  		}
> >
> >  		file->f_flags |= flags & SFD_RAW;
> > +		file->f_mode |= FMODE_PREAD;
>
> Again, this is not needed or the code was broken by the previous patch.
>
> Given that 2/3 passes O_RDWR to anon_inode_getfile() I think FMODE_PREAD
> should be already set. Note OPEN_FMODE(flags) in anon_inode_getfile().

As you explained in another thread I was wrong, I confused FMODE_PREAD
and FMODE_READ.

Oleg.

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