CVS commit: src/sys/ufs/ffs

[YAMAMOTO Takashi <yamt%netbsd.org@localhost>]

Module Name:    src
Committed By:   yamt
Date:           Fri Sep  9 15:04:08 UTC 2005

Modified Files:
        src/sys/ufs/ffs: ffs_softdep.c

Log Message:
- for pagecache dependency, track which page in the block
  has been written or not individually by (ab)using b_resid
  in pcbp as a bitmap.
- add a comment to explain why it's needed.

PR/15364.  reviewed by Chuck Silvers.


To generate a diff of this commit:
cvs rdiff -r1.69 -r1.70 src/sys/ufs/ffs/ffs_softdep.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.