From: Christoph Hellwig <hch@xxxxxx> Source kernel commit: 34cf3a6f3952ecabd54b4fe3d431aa44ce98fe45 Prepare supporting the upcoming realtime groups feature by moving the deferred operation draining to the generic xfs_group structure. Signed-off-by: Christoph Hellwig <hch@xxxxxx> Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx> Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx> Reviewed-by: Christoph Hellwig <hch@xxxxxx> --- libxfs/xfs_ag.c | 7 ++----- libxfs/xfs_ag.h | 9 --------- libxfs/xfs_group.c | 4 ++++ libxfs/xfs_group.h | 9 +++++++++ 4 files changed, 15 insertions(+), 14 deletions(-) diff --git a/libxfs/xfs_ag.c b/libxfs/xfs_ag.c index 20af8b67d86e88..d67e40f49a3fc0 100644 --- a/libxfs/xfs_ag.c +++ b/libxfs/xfs_ag.c @@ -110,7 +110,6 @@ xfs_perag_uninit( #ifdef __KERNEL__ struct xfs_perag *pag = to_perag(xg); - xfs_defer_drain_free(&pag->pag_intents_drain); cancel_delayed_work_sync(&pag->pag_blockgc_work); xfs_buf_cache_destroy(&pag->pag_bcache); #endif @@ -232,7 +231,6 @@ xfs_perag_alloc( spin_lock_init(&pag->pagb_lock); INIT_DELAYED_WORK(&pag->pag_blockgc_work, xfs_blockgc_worker); INIT_RADIX_TREE(&pag->pag_ici_root, GFP_ATOMIC); - xfs_defer_drain_init(&pag->pag_intents_drain); init_waitqueue_head(&pag->pagb_wait); pag->pagb_tree = RB_ROOT; xfs_hooks_init(&pag->pag_rmap_update_hooks); @@ -240,7 +238,7 @@ xfs_perag_alloc( error = xfs_buf_cache_init(&pag->pag_bcache); if (error) - goto out_defer_drain_free; + goto out_free_perag; /* * Pre-calculated geometry @@ -258,8 +256,7 @@ xfs_perag_alloc( out_buf_cache_destroy: xfs_buf_cache_destroy(&pag->pag_bcache); -out_defer_drain_free: - xfs_defer_drain_free(&pag->pag_intents_drain); +out_free_perag: kfree(pag); return error; } diff --git a/libxfs/xfs_ag.h b/libxfs/xfs_ag.h index 8271cb72c88387..45f8de06cdbc8a 100644 --- a/libxfs/xfs_ag.h +++ b/libxfs/xfs_ag.h @@ -97,15 +97,6 @@ struct xfs_perag { /* background prealloc block trimming */ struct delayed_work pag_blockgc_work; - /* - * We use xfs_drain to track the number of deferred log intent items - * that have been queued (but not yet processed) so that waiters (e.g. - * scrub) will not lock resources when other threads are in the middle - * of processing a chain of intent items only to find momentary - * inconsistencies. - */ - struct xfs_defer_drain pag_intents_drain; - /* Hook to feed rmapbt updates to an active online repair. */ struct xfs_hooks pag_rmap_update_hooks; #endif /* __KERNEL__ */ diff --git a/libxfs/xfs_group.c b/libxfs/xfs_group.c index c5269cd659f327..dfcebf2e9b30f8 100644 --- a/libxfs/xfs_group.c +++ b/libxfs/xfs_group.c @@ -159,6 +159,8 @@ xfs_group_free( XFS_IS_CORRUPT(mp, atomic_read(&xg->xg_ref) != 0); + xfs_defer_drain_free(&xg->xg_intents_drain); + if (uninit) uninit(xg); @@ -184,6 +186,7 @@ xfs_group_insert( #ifdef __KERNEL__ spin_lock_init(&xg->xg_state_lock); #endif + xfs_defer_drain_init(&xg->xg_intents_drain); /* Active ref owned by mount indicates group is online. */ atomic_set(&xg->xg_active_ref, 1); @@ -191,6 +194,7 @@ xfs_group_insert( error = xa_insert(&mp->m_groups[type].xa, index, xg, GFP_KERNEL); if (error) { WARN_ON_ONCE(error == -EBUSY); + xfs_defer_drain_free(&xg->xg_intents_drain); return error; } diff --git a/libxfs/xfs_group.h b/libxfs/xfs_group.h index d2c61dd1f43e44..ebefbba7d98cc2 100644 --- a/libxfs/xfs_group.h +++ b/libxfs/xfs_group.h @@ -22,6 +22,15 @@ struct xfs_group { uint16_t xg_checked; uint16_t xg_sick; spinlock_t xg_state_lock; + + /* + * We use xfs_drain to track the number of deferred log intent items + * that have been queued (but not yet processed) so that waiters (e.g. + * scrub) will not lock resources when other threads are in the middle + * of processing a chain of intent items only to find momentary + * inconsistencies. + */ + struct xfs_defer_drain xg_intents_drain; #endif /* __KERNEL__ */ };