diff options
Diffstat (limited to 'module/zfs/dmu_objset.c')
| -rw-r--r-- | module/zfs/dmu_objset.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/module/zfs/dmu_objset.c b/module/zfs/dmu_objset.c index 7a540bdfa..3afafd182 100644 --- a/module/zfs/dmu_objset.c +++ b/module/zfs/dmu_objset.c @@ -2908,9 +2908,17 @@ dmu_fsname(const char *snapname, char *buf) } /* - * Call when we think we're going to write/free space in open context to track - * the amount of dirty data in the open txg, which is also the amount - * of memory that can not be evicted until this txg syncs. + * Call when we think we're going to write/free space in open context + * to track the amount of dirty data in the open txg, which is also the + * amount of memory that can not be evicted until this txg syncs. + * + * Note that there are two conditions where this can be called from + * syncing context: + * + * [1] When we just created the dataset, in which case we go on with + * updating any accounting of dirty data as usual. + * [2] When we are dirtying MOS data, in which case we only update the + * pool's accounting of dirty data. */ void dmu_objset_willuse_space(objset_t *os, int64_t space, dmu_tx_t *tx) @@ -2920,8 +2928,9 @@ dmu_objset_willuse_space(objset_t *os, int64_t space, dmu_tx_t *tx) if (ds != NULL) { dsl_dir_willuse_space(ds->ds_dir, aspace, tx); - dsl_pool_dirty_space(dmu_tx_pool(tx), space, tx); } + + dsl_pool_dirty_space(dmu_tx_pool(tx), space, tx); } #if defined(_KERNEL) |