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-rw-r--r--fs/xfs/xfs_mount.h25
1 files changed, 2 insertions, 23 deletions
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 16b22120b98f..e62fd1cde464 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -386,29 +386,8 @@ xfs_daddr_to_agbno(struct xfs_mount *mp, xfs_daddr_t d)
386/* 386/*
387 * perag get/put wrappers for ref counting 387 * perag get/put wrappers for ref counting
388 */ 388 */
389static inline struct xfs_perag * 389struct xfs_perag *xfs_perag_get(struct xfs_mount *mp, xfs_agnumber_t agno);
390xfs_perag_get(struct xfs_mount *mp, xfs_agnumber_t agno) 390void xfs_perag_put(struct xfs_perag *pag);
391{
392 struct xfs_perag *pag;
393
394 spin_lock(&mp->m_perag_lock);
395 pag = radix_tree_lookup(&mp->m_perag_tree, agno);
396 if (pag) {
397 ASSERT(atomic_read(&pag->pag_ref) >= 0);
398 /* catch leaks in the positive direction during testing */
399 ASSERT(atomic_read(&pag->pag_ref) < 1000);
400 atomic_inc(&pag->pag_ref);
401 }
402 spin_unlock(&mp->m_perag_lock);
403 return pag;
404}
405
406static inline void
407xfs_perag_put(struct xfs_perag *pag)
408{
409 ASSERT(atomic_read(&pag->pag_ref) > 0);
410 atomic_dec(&pag->pag_ref);
411}
412 391
413/* 392/*
414 * Per-cpu superblock locking functions 393 * Per-cpu superblock locking functions