{
  "slug": "xfs-deferred-operation",
  "term": "XFS deferred operation",
  "aliases": [
    "XFS deferred work"
  ],
  "definition": "An XFS deferred operation postpones metadata work to a later transaction to satisfy locking or reservation constraints.",
  "note": "This is distinct from delayed logging's journal batching. [design] Recoverable work uses intent/done records; continuation can split one logical operation across transactions. [defer-code]",
  "related": [
    "xfs-rolling-transaction",
    "xfs-intent-log-item",
    "xfs-delayed-logging"
  ],
  "status": "shipping",
  "advantages": [],
  "limitations": [],
  "supersedes": [],
  "supersededBy": [],
  "firstSeen": null,
  "lastSeen": null,
  "citations": [
    {
      "id": "design",
      "title": "Linux v6.16: XFS Logging Design, log space accounting and re-logging",
      "url": "https://github.com/torvalds/linux/blob/v6.16/Documentation/filesystems/xfs/xfs-delayed-logging-design.rst",
      "accessed": "2026-10-16"
    },
    {
      "id": "defer-code",
      "title": "Linux v6.16: xfs_defer.c, deferred operations and atomic intent continuation",
      "url": "https://github.com/torvalds/linux/blob/v6.16/fs/xfs/libxfs/xfs_defer.c",
      "accessed": "2026-10-16"
    },
    {
      "id": "hesela-xfs",
      "title": "Hesela: XFS delayed logging and commit boundaries",
      "url": "https://hesela.com/analyses/xfs-delayed-logging-commit-boundaries/",
      "accessed": "2026-10-16"
    }
  ],
  "updated": "2026-10-16"
}