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vfs: use 'unsigned long' accesses for dcache name comparison and hashing

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Ok, this is hacky, and only works on little-endian machines with goo
unaligned handling.  And even then only with CONFIG_DEBUG_PAGEALLOC
disabled, since it can access up to 7 bytes after the pathname.

But it runs like a bat out of hell.

Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Linus Torvalds 2012-03-06 11:16:17 -08:00
commit bfcfaa77bd
4 changed files with 150 additions and 0 deletions
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4
fs/Kconfig
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@ -4,6 +4,10 @@
menu "File systems"
# Use unaligned word dcache accesses
config DCACHE_WORD_ACCESS
bool
if BLOCK
source "fs/ext2/Kconfig"