On Mon, Sep 17, 2012 at 12:34:27AM -0600, Miao Xie wrote:
In __btrfs_end_transaction(), we have invoked sb_end_intwrite(), but if we
need run btrfs_commit_transaction(), we will decrease the writer counter
for two times because btrfs_commit_transaction() also invokes
sb_end_intwrite().
Fix it.
Already fixed in btrfs-next. Thanks,
Josef
Signed-off-by: Miao Xie mi...@cn.fujitsu.com
---
fs/btrfs/transaction.c |4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 27c2600..3134fdc 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -551,8 +551,6 @@ static int __btrfs_end_transaction(struct
btrfs_trans_handle *trans,
btrfs_trans_release_metadata(trans, root);
trans-block_rsv = NULL;
- sb_end_intwrite(root-fs_info-sb);
-
if (lock !atomic_read(root-fs_info-open_ioctl_trans)
should_end_transaction(trans, root)) {
trans-transaction-blocked = 1;
@@ -573,6 +571,8 @@ static int __btrfs_end_transaction(struct
btrfs_trans_handle *trans,
}
}
+ sb_end_intwrite(root-fs_info-sb);
+
WARN_ON(cur_trans != info-running_transaction);
WARN_ON(atomic_read(cur_trans-num_writers) 1);
atomic_dec(cur_trans-num_writers);
--
1.7.6.5
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