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| author |   David S. Miller <davem@davemloft.net> | 2020-05-06 22:10:13 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-05-06 22:10:13 -0700 |
| commit | 3793faad7b5b730941b2efbc252d14374b60843a (patch) | |
| tree | e1bea43727d87f8fd30ca169f465a3591f15d63b /fs/btrfs/transaction.c | |
| parent | dsa: sja1105: dynamically allocate stats structure (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff) | |
| download | wireguard-linux-3793faad7b5b730941b2efbc252d14374b60843a.tar.xz wireguard-linux-3793faad7b5b730941b2efbc252d14374b60843a.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflicts were all overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/btrfs/transaction.c')
| -rw-r--r-- | fs/btrfs/transaction.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 8cede6eb9843..2d5498136e5e 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -662,10 +662,19 @@ again: } got_it: - btrfs_record_root_in_trans(h, root); - if (!current->journal_info) current->journal_info = h; + + /* + * btrfs_record_root_in_trans() needs to alloc new extents, and may + * call btrfs_join_transaction() while we're also starting a + * transaction. + * + * Thus it need to be called after current->journal_info initialized, + * or we can deadlock. + */ + btrfs_record_root_in_trans(h, root); + return h; join_fail: |