Date: Mon, 19 Apr 1999 12:01:34 -0400 (EDT) From: Zhihui Zhang <zzhang@cs.binghamton.edu> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: hackers@FreeBSD.ORG Subject: Re: Directories not VMIO cached at all! Message-ID: <Pine.GSO.3.96.990419115249.20311A-100000@sol.cs.binghamton.edu> In-Reply-To: <199904171844.LAA75452@apollo.backplane.com>
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I tried to apply your patch to FreeBSD 2.2.8. I only made changes to file vfs_subr.c (vfs_object_create()) and vfs_vnops.c (vn_open()) because I can not find the corresponding places in file vfs_lookup.c and vfs_syscalls.c. After this, I made a new kernel and reboot. I issue the following command: # find /usr/src -name "*.?" -exec grep "dummy" /dev/null {} \; It takes about five minutes as it did before I modified the kernel and reboot. So obviously the modifications I made are not enough. I should change something else to really use it. Can you please tell me where to look at in 2.2.8? Somewhere in namei()? I believe your idea is a good one because it may help to solve the directory layout problem when you do depth-first search of directories (as in find?). The reason I need it now is that each time I spend 5 minutes to search for a symbol in the source code tree under /usr/src. Thanks for your help. -Zhihui To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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