Date: Wed, 30 Jan 2008 16:13:54 -0600 From: Barry Pederson <bp@barryp.org> To: Kirk McKusick <mckusick@mckusick.com> Cc: =?ISO-8859-1?Q?Dag-Erling_Sm=F8rgrav?= <des@des.no>, questions@freebsd.org, fs@freebsd.org Subject: Re: Automatic `nodump' flag? Message-ID: <47A0F6A2.9060600@barryp.org> In-Reply-To: <200801302047.m0UKlV0m004741@chez.mckusick.com> References: <200801302047.m0UKlV0m004741@chez.mckusick.com>
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Kirk McKusick wrote:
> The dump program runs on the raw disk partition dumping sequentially
> by inode number. So, it has no idea of the file-tree hierarchy.
I was just looking at the source to dump, specifically traverse.c and
from what I can see, doesn't dump pass #2 scan through all directories
and then in the searchdir() function remove a directory's children from
the list of inodes to backup if the directory has the nodump flag?
---------
414 if (nodump) {
415 ip = getino(dp->d_ino, &mode);
416 if (TSTINO(dp->d_ino, dumpinomap)) {
417 CLRINO(dp->d_ino, dumpinomap);
418 *tapesize -= blockest(ip);
---------
Barry
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