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CVS commit: [netbsd-3] src/sys/ufs/ffs



Module Name:    src
Committed By:   tron
Date:           Sat May 28 12:45:31 UTC 2005

Modified Files:
        src/sys/ufs/ffs [netbsd-3]: ffs_snapshot.c

Log Message:
Pull up revision 1.15 (requested by hannken in ticket #334):
ffs/ffs_alloc.c:
- Add a missing ACTIVECG_CLR().
ffs/ffs_snapshot.c:
- Use async/delayed writes for snapshot creation and sync/uncache these buffers
  on end. Reduces the time the file system must be suspended.
- Remove um_snaplistsize. Was a duplicate of um_snapblklist[0].
- Byte swap the list of preallocated blocks on read/write instead of access.
- Always keep this list on ip->i_snapblklist so it may be rolled back when the
  newest snapshot gets removed. Fixes a rare snapshot corruption when using
  more than one snapshot on a file system.
ufs/ufsmount.h:
  - Make TAILQ_LAST() possible on member um_snapshots.
  - Remove um_snaplistsize. Was a duplicate of um_snapblklist[0].


To generate a diff of this commit:
cvs rdiff -r1.11.2.5 -r1.11.2.6 src/sys/ufs/ffs/ffs_snapshot.c

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




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