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Btrfs: check the root passed to btrfs_end_transaction

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This patch only add a consistancy check to validate that the
same root is passed to start_transaction and end_transaction.
Subvolume quota depends on this.

Signed-off-by: Arne Jansen <sensille@gmx.net>
This commit is contained in:
Arne Jansen
2011-09-13 11:40:09 +02:00
committed by Jan Schmidt
parent 2f38b3e190
commit d13603ef6e
2 changed files with 12 additions and 0 deletions
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6
fs/btrfs/transaction.h
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@@ -57,6 +57,12 @@ struct btrfs_trans_handle {
struct btrfs_block_rsv *block_rsv;
struct btrfs_block_rsv *orig_rsv;
int aborted;
/*
* this root is only needed to validate that the root passed to
* start_transaction is the same as the one passed to end_transaction.
* Subvolume quota depends on this
*/
struct btrfs_root *root;
};
struct btrfs_pending_snapshot {