* TAKE 960904 - Remove kmap usage from xfs_iozero()
@ 2007-02-07 3:54 David Chinner
0 siblings, 0 replies; only message in thread
From: David Chinner @ 2007-02-07 3:54 UTC (permalink / raw)
To: xfs, sgi.bugs.xfs
Don't use kmap in xfs_iozero.
kmap() is inefficient and does not scale well. kmap_atomic() is a
better choice. Use the generic wrapper function instead of open
coding the kmap-memset-dcache flush-kunmap stuff.
Date: Wed Feb 7 14:53:32 AEDT 2007
Workarea: chook.melbourne.sgi.com:/build/dgc/isms/2.6.x-xfs
Inspected by: hch@infradead.org
The following file(s) were checked into:
longdrop.melbourne.sgi.com:/isms/linux/2.6.x-xfs-melb
Modid: xfs-linux-melb:xfs-kern:28041a
fs/xfs/linux-2.6/xfs_lrw.c - 1.256 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/linux-2.6/xfs_lrw.c.diff?r1=text&tr1=1.256&r2=text&tr2=1.255&f=h
- replace kmap usage in xfs_iozero with more optimal implementation.
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2007-02-07 3:54 TAKE 960904 - Remove kmap usage from xfs_iozero() David Chinner
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