DragonFly commits List (threaded) for 2004-11
cvs commit: src/sys/vfs/ufs
dillon 2004/11/08 20:22:52 PST
DragonFly src repository
Correct a softupdates bug, an ir_savebp buffer was not being properly
disposed of. This bug is currently only known to effect filesystems
whos block devices are not VMIO backed. However, it's a fragile situation
at best so its good to have it fixed anyhow.
ir_savebp is stashed copy of the in-memory version of an indirect file block.
It is stashed using (devvp,blkno) (whereas the actual indirect file block
is stored using (vp,-specialblkno). For VMIO to also tickle this bug would
have required that other unrelated operations also cache (devvp,blkno), a
case which does not (yet) exist.
Revision Changes Path
1.19 +13 -1 src/sys/vfs/ufs/ffs_softdep.c