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Btrfs: Stop using radix trees for the block group cache

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2007-10-15 16:15:19 -04:00
parent f510cfecfc
commit 96b5179d0d
5 changed files with 172 additions and 224 deletions
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18
fs/btrfs/extent_map.c
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@ -574,7 +574,7 @@ out:
return set;
search_again:
if (start >= end)
if (start > end)
goto out;
write_unlock_irqrestore(&tree->lock, flags);
if (mask & __GFP_WAIT)
@ -819,6 +819,21 @@ int set_extent_dirty(struct extent_map_tree *tree, u64 start, u64 end,
}
EXPORT_SYMBOL(set_extent_dirty);
int set_extent_bits(struct extent_map_tree *tree, u64 start, u64 end,
int bits, gfp_t mask)
{
return set_extent_bit(tree, start, end, bits, 0, NULL,
mask);
}
EXPORT_SYMBOL(set_extent_bits);
int clear_extent_bits(struct extent_map_tree *tree, u64 start, u64 end,
int bits, gfp_t mask)
{
return clear_extent_bit(tree, start, end, bits, 0, 0, mask);
}
EXPORT_SYMBOL(clear_extent_bits);
int set_extent_delalloc(struct extent_map_tree *tree, u64 start, u64 end,
gfp_t mask)
{
@ -1138,7 +1153,6 @@ int set_state_private(struct extent_map_tree *tree, u64 start, u64 private)
out:
write_unlock_irq(&tree->lock);
return ret;
}
int get_state_private(struct extent_map_tree *tree, u64 start, u64 *private)