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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
commit d3c2fdcf7b
6 changed files with 51 additions and 20 deletions
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fs/btrfs/disk-io.h
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@ -80,7 +80,7 @@ int btrfs_insert_dev_radix(struct btrfs_root *root,
u64 num_blocks);
int btrfs_map_bh_to_logical(struct btrfs_root *root, struct buffer_head *bh,
u64 logical);
void btrfs_btree_balance_dirty(struct btrfs_root *root);
void btrfs_btree_balance_dirty(struct btrfs_root *root, unsigned long nr);
int btrfs_free_fs_root(struct btrfs_fs_info *fs_info, struct btrfs_root *root);
void btrfs_mark_buffer_dirty(struct buffer_head *bh);
#endif