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Diffstat (limited to 'fs/btrfs/tree-log.c')
| -rw-r--r-- | fs/btrfs/tree-log.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 4320f346b0b9..3779a660988a 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -5695,6 +5695,21 @@ record: } /* + * Make sure that if someone attempts to fsync the parent directory of a deleted + * snapshot, it ends up triggering a transaction commit. This is to guarantee + * that after replaying the log tree of the parent directory's root we will not + * see the snapshot anymore and at log replay time we will not see any log tree + * corresponding to the deleted snapshot's root, which could lead to replaying + * it after replaying the log tree of the parent directory (which would replay + * the snapshot delete operation). + */ +void btrfs_record_snapshot_destroy(struct btrfs_trans_handle *trans, + struct inode *dir) +{ + BTRFS_I(dir)->last_unlink_trans = trans->transid; +} + +/* * Call this after adding a new name for a file and it will properly * update the log to reflect the new name. * |