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Btrfs: use join_transaction in btrfs_evict_inode()

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The WARN_ON() in start_transaction() was triggered while balancing.

The cause is btrfs_relocate_chunk() started a transaction and
then called iput() on the inode that stores free space cache,
and iput() called btrfs_start_transaction() again.

Reported-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Reviewed-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Li Zefan 2011-06-08 03:56:44 +00:00 committed by Chris Mason
parent 22b63a2971
commit 30b4caf5d7
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/inode.c
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@ -3646,7 +3646,7 @@ void btrfs_evict_inode(struct inode *inode)
btrfs_i_size_write(inode, 0);
while (1) {
trans = btrfs_start_transaction(root, 0);
trans = btrfs_join_transaction(root);
BUG_ON(IS_ERR(trans));
trans->block_rsv = root->orphan_block_rsv;