Date: Thu, 23 Nov 2006 10:19:29 +0100 From: Ivan Voras <ivoras@fer.hr> To: freebsd-hackers@freebsd.org Subject: Re: Kqueue write event position? Message-ID: <ek3p31$i69$1@sea.gmane.org> In-Reply-To: <ad79ad6b0611221309q85e37e5p224ba93d0b9c9b5@mail.gmail.com> References: <ek2ca4$sft$1@sea.gmane.org> <ad79ad6b0611221309q85e37e5p224ba93d0b9c9b5@mail.gmail.com>
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Vlad Galu wrote: > It seems to me you would have to propagate that info along the > VOP_WRITE_POST->VFS_KNOTE_LOCKED->VN_KNOTE->knote() chain. Since > knote() is generic and is used for all types of notifications, you can > probably roll down your own replacement and call it from VN_KNOTE. Of > course, there probably is a better way :) Before I get any further with this, can anyone predict what would be the impact of monitoring a large number of files (50,000 or more) with kqueue? For kqueue to work, each file would have to be opened (and take up one file descriptor).
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