diff options
Diffstat (limited to 'usr/src/uts/common/fs/zfs/lzjb.c')
| -rw-r--r-- | usr/src/uts/common/fs/zfs/lzjb.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/usr/src/uts/common/fs/zfs/lzjb.c b/usr/src/uts/common/fs/zfs/lzjb.c index 10952f472b..ab3de51b72 100644 --- a/usr/src/uts/common/fs/zfs/lzjb.c +++ b/usr/src/uts/common/fs/zfs/lzjb.c @@ -20,12 +20,11 @@ */ /* - * Copyright 2009 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. */ /* - * We keep our own copy of this algorithm for 2 main reasons: + * We keep our own copy of this algorithm for 3 main reasons: * 1. If we didn't, anyone modifying common/os/compress.c would * directly break our on disk format * 2. Our version of lzjb does not have a number of checks that the @@ -33,8 +32,8 @@ * 3. We initialize the lempel to ensure deterministic results, * so that identical blocks can always be deduplicated. * In particular, we are adding the "feature" that compress() can - * take a destination buffer size and return -1 if the data will not - * compress to d_len or less. + * take a destination buffer size and returns the compressed length, or the + * source length if compression would overflow the destination buffer. */ #include <sys/types.h> |