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(parent: 06d5a58) | patch
Btrfs: map the inode item when doing fill_inode_item
authorJosef Bacik <josef@redhat.com>
Tue, 5 Apr 2011 17:02:27 +0000 (13:02 -0400)
committerJosef Bacik <josef@redhat.com>
Fri, 8 Apr 2011 17:00:34 +0000 (13:00 -0400)
commit12ddb96cb6752218d8a1aeb696ec9b0ca7adb42f
treecffdb38f2f479dde85d5f96879e53ac4b8f4d6eftree | snapshot
parent06d5a5899d6d3ac401d2359b5eac6d2a3a0fe331commit | diff
Btrfs: map the inode item when doing fill_inode_item

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>
fs/btrfs/inode.c diff | blob | history
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