Date: Tue, 8 May 2001 00:29:03 -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: <200105080729.f487T3h82539@freefall.freebsd.org>
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mckusick 2001/05/08 00:29:03 PDT
Modified files:
sys/ufs/ffs ffs_snapshot.c
Log:
Several fixes for units errors:
1) Do not assume that the superblock will be of size fs->fs_bsize.
This fixes a panic when taking a snapshot on a filesystem with
a block size bigger than 8K.
2) Properly calculate the number of fragments that follow the
superblock summary information. This fixes a bug with inconsistent
snapshots.
3) When cleaning up a snapshot that is about to be removed, properly
calculate the number of blocks that need to be checked. This fixes
a bug that created partially allocated inodes.
4) When moving blocks from a snapshot that is about to be removed
to another snapshot, properly account for the reduced number of
blocks in the snapshot from which they are taken. This fixes a
bug in which the number of blocks released from a snapshot did not
match the number that it claimed to have.
Revision Changes Path
1.20 +20 -11 src/sys/ufs/ffs/ffs_snapshot.c
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