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/netgear-R7000-V1.0.7.12_1.2.5/components/opensource/linux/linux-2.6.36/fs/
H A Ddirect-io.c51 * down by dio->blkfactor. Similarly, fs-blocksize quantities are converted
52 * to bio_block quantities by shifting left by blkfactor.
54 * If blkfactor is zero then the user's request was aligned to the filesystem's
66 unsigned blkfactor; /* When we're using an alignment which member in struct:dio
69 finer. blkfactor=2 means 1/4-block
542 fs_startblk = dio->block_in_file >> dio->blkfactor;
544 fs_count = dio_count >> dio->blkfactor;
545 blkmask = (1 << dio->blkfactor) - 1;
795 if (!dio->blkfactor || !buffer_new(&dio->map_bh))
798 dio_blocks_per_fs_block = 1 << dio->blkfactor;
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