diff options
Diffstat (limited to 'module/zfs/txg.c')
| -rw-r--r-- | module/zfs/txg.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/module/zfs/txg.c b/module/zfs/txg.c index a39732bb9..a10261846 100644 --- a/module/zfs/txg.c +++ b/module/zfs/txg.c @@ -21,7 +21,7 @@ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. * Portions Copyright 2011 Martin Matuska - * Copyright (c) 2013 by Delphix. All rights reserved. + * Copyright (c) 2012, 2014 by Delphix. All rights reserved. */ #include <sys/zfs_context.h> @@ -787,6 +787,26 @@ txg_list_empty(txg_list_t *tl, uint64_t txg) } /* + * Returns true if all txg lists are empty. + * + * Warning: this is inherently racy (an item could be added immediately + * after this function returns). We don't bother with the lock because + * it wouldn't change the semantics. + */ +boolean_t +txg_all_lists_empty(txg_list_t *tl) +{ + int i; + + for (i = 0; i < TXG_SIZE; i++) { + if (!txg_list_empty(tl, i)) { + return (B_FALSE); + } + } + return (B_TRUE); +} + +/* * Add an entry to the list (unless it's already on the list). * Returns B_TRUE if it was actually added. */ |