diff options
Diffstat (limited to 'libbcachefs/reflink.c')
| -rw-r--r-- | libbcachefs/reflink.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libbcachefs/reflink.c b/libbcachefs/reflink.c index 4a4b17f9..6d45ae24 100644 --- a/libbcachefs/reflink.c +++ b/libbcachefs/reflink.c @@ -166,6 +166,9 @@ s64 bch2_remap_range(struct bch_fs *c, u64 src_done, dst_done; int ret = 0, ret2 = 0; + if (!percpu_ref_tryget(&c->writes)) + return -EROFS; + if (!(c->sb.features & (1ULL << BCH_FEATURE_REFLINK))) { mutex_lock(&c->sb_lock); if (!(c->sb.features & (1ULL << BCH_FEATURE_REFLINK))) { @@ -295,5 +298,7 @@ err: ret = bch2_trans_exit(&trans) ?: ret; + percpu_ref_put(&c->writes); + return dst_done ?: ret ?: ret2; } |