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Fix btrfs_get_extent and get_block corner cases, and disable O_DIRECT reads

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The generic O_DIRECT code assumes all the bios have the same bdev,
which isn't true for multi-device btrfs.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2008-04-22 13:26:46 -04:00
parent 409c6118d3
commit e1c4b7451e
3 changed files with 25 additions and 14 deletions
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1
fs/btrfs/extent_io.c
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@ -1694,6 +1694,7 @@ extent_bio_alloc(struct block_device *bdev, u64 first_sector, int nr_vecs,
}
if (bio) {
bio->bi_size = 0;
bio->bi_bdev = bdev;
bio->bi_sector = first_sector;
}