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Date: Mon, 6 Oct 2014 15:24:49 +0200 From: Jan Kara <jack@...e.cz> To: Heinrich Schuchardt <xypron.glpk@....de> Cc: Alexander Viro <viro@...iv.linux.org.uk>, linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, Jan Kara <jack@...e.cz>, Eric Paris <eparis@...isplace.org>, Michael Kerrisk <mtk.manpages@...il.com>, John McCutchan <john@...nmccutchan.com>, Robert Love <rlove@...ve.org> Subject: Re: [PATCH 1/1] ftruncate: create FAN_MODIFY and IN_MODIFY events On Fri 03-10-14 20:16:30, Heinrich Schuchardt wrote: > The fanotify and the inotify API can be used to monitor changes of the file > system. > > System call ftruncate modifies files. Hence it should trigger the corresponding > fanotify (FAN_MODIFY) and inotify (IN_MODIFY) events. Hum, I would think that the appropriate event gets generated by fsnotify_change() called from notify_change()? Honza > > Signed-off-by: Heinrich Schuchardt <xypron.glpk@....de> > --- > fs/open.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/fs/open.c b/fs/open.c > index d6fd3ac..e36f26e 100644 > --- a/fs/open.c > +++ b/fs/open.c > @@ -189,6 +189,8 @@ static long do_sys_ftruncate(unsigned int fd, loff_t length, int small) > error = security_path_truncate(&f.file->f_path); > if (!error) > error = do_truncate(dentry, length, ATTR_MTIME|ATTR_CTIME, f.file); > + if (!error) > + fsnotify_modify(f.file); > sb_end_write(inode->i_sb); > out_putf: > fdput(f); > -- > 2.1.0 > -- Jan Kara <jack@...e.cz> SUSE Labs, CR -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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