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-rw-r--r--fs/btrfs/transaction.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index 937050a2b68e..0b24755596ba 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -64,9 +64,19 @@ struct btrfs_transaction {
struct list_head pending_ordered;
struct list_head switch_commits;
struct list_head dirty_bgs;
+ struct list_head io_bgs;
+ u64 num_dirty_bgs;
+
+ /*
+ * we need to make sure block group deletion doesn't race with
+ * free space cache writeout. This mutex keeps them from stomping
+ * on each other
+ */
+ struct mutex cache_write_mutex;
spinlock_t dirty_bgs_lock;
struct btrfs_delayed_ref_root delayed_refs;
int aborted;
+ int dirty_bg_run;
};
#define __TRANS_FREEZABLE (1U << 0)
@@ -136,9 +146,11 @@ struct btrfs_pending_snapshot {
static inline void btrfs_set_inode_last_trans(struct btrfs_trans_handle *trans,
struct inode *inode)
{
+ spin_lock(&BTRFS_I(inode)->lock);
BTRFS_I(inode)->last_trans = trans->transaction->transid;
BTRFS_I(inode)->last_sub_trans = BTRFS_I(inode)->root->log_transid;
BTRFS_I(inode)->last_log_commit = BTRFS_I(inode)->root->last_log_commit;
+ spin_unlock(&BTRFS_I(inode)->lock);
}
int btrfs_end_transaction(struct btrfs_trans_handle *trans,