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This patch is setting some max_ variables for the IO elevator, so the elevator will put requests for large data blocks to the driver. This is critical for a) speed and b) wear leveling of the flash chip controller: Otherwise the controller will treat the SD card badly with millions of single 4 KByte write commands. This will lead to a shorter life time for the SD cards. Signed-off-by: Wolfgang Muees <wolfgang.mues@auerswald.de> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: Andrew Victor <avictor.za@gmail.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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