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| author | Yan <yanzheng@21cn.com> | 2007-11-06 10:25:25 -0500 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:03:57 -0400 |
| commit | c549228ff63498025bf0b065c5a5909a06f21647 (patch) | |
| tree | 123c5982f979af1d0fcfafce1d34ba19626302fc /fs/btrfs/extent-tree.c | |
| parent | b293f02e1423f2099744f3ade23ddd83b65321fc (diff) | |
| download | lwn-c549228ff63498025bf0b065c5a5909a06f21647.tar.gz lwn-c549228ff63498025bf0b065c5a5909a06f21647.zip | |
Btrfs: Properly update free space cache in __free_extent
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>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index e7192ea8f96c..9eb2ee02f643 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -714,7 +714,7 @@ static int pin_down_bytes(struct btrfs_root *root, u64 bytenr, u32 num_bytes, root->fs_info->running_transaction->transid; if (btrfs_header_generation(buf) == transid) { free_extent_buffer(buf); - return 0; + return 1; } } free_extent_buffer(buf); @@ -774,7 +774,9 @@ static int __free_extent(struct btrfs_trans_handle *trans, struct btrfs_root if (pin) { 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 */ |