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Btrfs: Use balance_dirty_pages_nr on btree blocks

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btrfs_btree_balance_dirty is changed to pass the number of pages dirtied
for more accurate dirty throttling.  This lets the VM make better decisions
about when to force some writeback.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2007-09-17 10:58:06 -04:00
parent 7d7d6068be
commit d3c2fdcf7b
6 changed files with 51 additions and 20 deletions
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5
fs/btrfs/disk-io.c
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@ -666,7 +666,8 @@ void btrfs_block_release(struct btrfs_root *root, struct buffer_head *buf)
brelse(buf);
}
void btrfs_btree_balance_dirty(struct btrfs_root *root)
void btrfs_btree_balance_dirty(struct btrfs_root *root, unsigned long nr)
{
balance_dirty_pages_ratelimited(root->fs_info->btree_inode->i_mapping);
balance_dirty_pages_ratelimited_nr(
root->fs_info->btree_inode->i_mapping, nr);
}