Write-Ahead File System (WAFS) v1.0 Release Notice.

The WAFS source code is now available for download at
http://www.eecs.harvard.edu/~stein/wafs/

WAFS is a simple file system designed to act as a logging
service for kernel subsystems. Reads and writes are keyed
by log-sequence number (LSN). All writes to WAFS are
sequential. Kernel subsystems can use this LSN service to
enforce write-ahead logging and guarantee consistency.

Potential clients of the WAFS include, but are not limited
to; a journaling file system, a database system, and a
block hash logging service. The list of potential WAFS 
clients is bounded by the human imagination.

The WAFS is built within FreeBSD 4.1-RELEASE.

Chris Stein


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