Btrfs: map the inode item when doing fill_inode_item

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Instead of calling kmap_atomic for every thing we set in the inode item, map the
entire inode item at the start and unmap it at the end.  This makes a sequential
dd of 400mb O_DIRECT something like 1% faster.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>

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Josef Bacik 2011-04-05 13:02:27 -04:00

parent 06d5a5899d

commit 12ddb96cb6

1 changed files with 12 additions and 0 deletions

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fs/btrfs/inode.c

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