diff options
| -rw-r--r-- | fs/xfs/libxfs/xfs_defer.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c index 4637a5fc5178..9e6412bd6845 100644 --- a/fs/xfs/libxfs/xfs_defer.c +++ b/fs/xfs/libxfs/xfs_defer.c @@ -429,8 +429,17 @@ xfs_defer_finish_noroll( /* Until we run out of pending work to finish... */ while (!list_empty(&dop_pending) || !list_empty(&(*tp)->t_dfops)) { + /* + * Deferred items that are created in the process of finishing + * other deferred work items should be queued at the head of + * the pending list, which puts them ahead of the deferred work + * that was created by the caller. This keeps the number of + * pending work items to a minimum, which decreases the amount + * of time that any one intent item can stick around in memory, + * pinning the log tail. + */ xfs_defer_create_intents(*tp); - list_splice_tail_init(&(*tp)->t_dfops, &dop_pending); + list_splice_init(&(*tp)->t_dfops, &dop_pending); error = xfs_defer_trans_roll(tp); if (error) |