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authorJoern Engel <joern@wh.fh-wedel.de>2007-02-20 20:22:22 +0100
committerJoern Engel <joern@wh.fh-wedel.de>2007-02-20 20:22:22 +0100
commit21d31f1f7c8f832324fb55eb4b1397b16258904e (patch)
tree54dfa7f24f601713261160e578abeaa5c66a2652 /drivers/mtd/maps
parent8870530a4053add56a2c0eb90a3669facb9f7117 (diff)
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[PATCH] [MTD] block2mtd: remove readahead code
Over the years there was a slow trickle of complaints against the readahead code. Most of them concerned performance, Peter Zijlstra stumbled over it when working unrelated changes and I believe there was an actual bug report. Oh, Andrew Morton also complained about duplicating code from mm/readahead.c. It is just not worth it. On flash media like usb sticks, readahead will make things go slow - very slow. On spinning disks, readahead may be a win, but this is definitely not the place to add it. Signed-off-by: Jörn Engel <joern@lazybastard.org>
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