xref: /titanic_52/usr/src/man/man7fs/dcfs.7fs (revision 686c0471389a2f92c1e43b38e1b97771bee482ab)
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Copyright (c) 2007, Sun Microsystems, Inc. All Rights Reserved
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When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
dcfs 7FS "28 Nov 2007" "SunOS 5.11" "File Systems"
NAME
dcfs - Compression file system
SYNOPSIS

#include <sys/filio.h>
#include <sys/fs/decomp.h>
DESCRIPTION

The dcfs filesystem is a layered filesystem that you use to compress data when writing to a file and decompress upon read. The primary function of the dcfs filesystem is to compress individual files when constructing a boot archive and when reading or booting from the archive.

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPEATTRIBUTE VALUE
Interface StabilityUncommitted
SEE ALSO

boot(1M), bootadm(1M), fiocompress(1M), attributes(5), ufs(7FS)

NOTES

The dcfs compression/decompression file system works only with UFS.