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Btrfs: Properly update free space cache in __free_extent

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When pin_down_bytes decides not to pin a block because it was from the
current transaction, make sure the in memory cache of free extents is updated

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Yan
2007-11-06 10:25:25 -05:00
committed by Chris Mason
parent b293f02e14
commit c549228ff6
1 changed files with 4 additions and 2 deletions
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6
fs/btrfs/extent-tree.c
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@@ -714,7 +714,7 @@ static int pin_down_bytes(struct btrfs_root *root, u64 bytenr, u32 num_bytes,
root->fs_info->running_transaction->transid; root->fs_info->running_transaction->transid;
if (btrfs_header_generation(buf) == transid) { if (btrfs_header_generation(buf) == transid) {
free_extent_buffer(buf); free_extent_buffer(buf);
return 0; return 1;
} }
} }
free_extent_buffer(buf); free_extent_buffer(buf);
@@ -774,7 +774,9 @@ static int __free_extent(struct btrfs_trans_handle *trans, struct btrfs_root
if (pin) { if (pin) {
ret = pin_down_bytes(root, bytenr, num_bytes, 0); ret = pin_down_bytes(root, bytenr, num_bytes, 0);
BUG_ON(ret); if (ret > 0)
mark_free = 1;
BUG_ON(ret < 0);
} }
/* block accounting for super block */ /* block accounting for super block */