hpfs: implement prefetch to improve performance
authorMikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Thu, 4 Jul 2013 17:04:01 +0000 (19:04 +0200)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 4 Jul 2013 18:22:46 +0000 (11:22 -0700)
commit275f495dbe34300d793466a7d96c70f83fbae1bc
tree75785e0623188c52360f845419354b3b7cd67051
parenta0c1b7596323a2323d5f5c7d2404af7b58a1ef4e
hpfs: implement prefetch to improve performance

This patch implements prefetch to improve performance.  It helps mostly
when scanning the bitmaps to calculate free space.

Signed-off-by: Mikulas Patocka <mpatocka@artax.karlin.mff.cuni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/hpfs/buffer.c
fs/hpfs/hpfs_fn.h
fs/hpfs/map.c
fs/hpfs/super.c