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CVS commit: src/sys/ufs/ffs
Module Name: src
Committed By: hannken
Date: Wed Jul 30 10:09:30 UTC 2008
Release allocated indir blocks on non-softdep file systems instead
of writing them twice.
It is sufficient to clean dirty data pages to avoid UBC inconsistencies.
ffs_snapblkfree() and wrsnapblk():
If a snapshots effective link count is zero there is no need
to use synchronous writes.
Defer locking the snapshots until there is a need to copy the block.
Use vn_rdwr() instead of bwrite() to write to the snapshots.
To generate a diff of this commit:
cvs rdiff -r1.71 -r1.72 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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