Date: Sat, 23 Aug 2003 11:01:28 +0200 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Kirk McKusick <mckusick@McKusick.COM> Cc: Paul Saab <ps@yahoo-inc.com> Subject: Re: mksnap_ffs, snapshot issues, again Message-ID: <24772.1061629288@critter.freebsd.dk> In-Reply-To: Your message of "Sat, 23 Aug 2003 01:32:38 PDT." <200308230832.h7N8Wcol050681@beastie.mckusick.com>
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In message <200308230832.h7N8Wcol050681@beastie.mckusick.com>, Kirk McKusick writes: >But, to get to the problem that you are having with accessing your >filesystem. The problem is that although the filesystem is only >locked briefly, the snapshot file is locked for the entire 48 minutes. >Thus, if you touch the snapshot file (by for example doing a "stat" >on it), then the process doing the stat will hang for 48 minutes. Isn't there some way we can loosen this aspect up ? Either by having stat know about it and return approximate info or simply by failing ? (I pressume that making the sleep interruptible would break all sorts of standards) -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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