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CVS commit: src/sbin/newfs_ext2fs

Module Name:    src
Committed By:   tsutsui
Date:           Tue Mar  6 15:39:41 UTC 2012

Modified Files:
        src/sbin/newfs_ext2fs: mke2fs.c

Log Message:
Stop zero'ing all possible superblock backup leftovers conservatively.
Instead, explicitly zap only possible first backups and FFS superblocks.

Fixes "Extreamly slow newfs_ext2fs on 60Gb USB stick" problem
reported by Aleksey Cheusov on tech-kern@.

To generate a diff of this commit:
cvs rdiff -u -r1.14 -r1.15 src/sbin/newfs_ext2fs/mke2fs.c

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

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