Date: Wed, 25 Apr 2001 17:50:54 -0700 (PDT) From: Kirk McKusick <mckusick@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/ufs/ffs ffs_snapshot.c Message-ID: <200104260050.f3Q0ose95268@freefall.freebsd.org>
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mckusick 2001/04/25 17:50:54 PDT
Modified files:
sys/ufs/ffs ffs_snapshot.c
Log:
Rather than copying all the indirect blocks of the snapshot,
simply mark them as BLK_NOCOPY. This trick cuts the initial
size of the snapshot in half and cuts the time to take a
snapshot by a third.
Revision Changes Path
1.16 +20 -36 src/sys/ufs/ffs/ffs_snapshot.c
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