Btrfs: don't pre-allocate btrfs bio

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We pre-allocate a btrfs bio with fixed size, and then may re-allocate
memory if we find stripes are bigger than the fixed size. But this
pre-allocation is not necessary.

Also we don't have to calcuate the stripe number twice.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>

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Li Zefan 2011-12-01 12:55:47 +08:00

parent 125ccb0ae6

commit de11cc12df

1 changed files with 21 additions and 46 deletions

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67

fs/btrfs/volumes.c

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