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authorJens Axboe <axboe@suse.de>2005-11-01 09:26:16 +0100
committerJens Axboe <axboe@suse.de>2005-11-01 09:26:16 +0100
commita362357b6cd62643d4dda3b152639303d78473da (patch)
treefe4ce823e638ded151edcb142f28a240860f0d33 /lib/Kconfig.debug
parentd72d904a5367ad4ca3f2c9a2ce8c3a68f0b28bf0 (diff)
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[BLOCK] Unify the seperate read/write io stat fields into arrays
Instead of having ->read_sectors and ->write_sectors, combine the two into ->sectors[2] and similar for the other fields. This saves a branch several places in the io path, since we don't have to care for what the actual io direction is. On my x86-64 box, that's 200 bytes less text in just the core (not counting the various drivers). Signed-off-by: Jens Axboe <axboe@suse.de>
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