diff options
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 2f683dad3c66..994c71c9eb70 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -9605,6 +9605,7 @@ static int inc_block_group_ro(struct btrfs_block_group_cache *cache, int force) { struct btrfs_space_info *sinfo = cache->space_info; u64 num_bytes; + u64 sinfo_used; u64 min_allocable_bytes; int ret = -ENOSPC; @@ -9631,9 +9632,10 @@ static int inc_block_group_ro(struct btrfs_block_group_cache *cache, int force) num_bytes = cache->key.offset - cache->reserved - cache->pinned - cache->bytes_super - btrfs_block_group_used(&cache->item); + sinfo_used = btrfs_space_info_used(sinfo, true); - if (btrfs_space_info_used(sinfo, true) + num_bytes + - min_allocable_bytes <= sinfo->total_bytes) { + if (sinfo_used + num_bytes + min_allocable_bytes <= + sinfo->total_bytes) { sinfo->bytes_readonly += num_bytes; cache->ro++; list_add_tail(&cache->ro_list, &sinfo->ro_bgs); @@ -9642,6 +9644,15 @@ static int inc_block_group_ro(struct btrfs_block_group_cache *cache, int force) out: spin_unlock(&cache->lock); spin_unlock(&sinfo->lock); + if (ret == -ENOSPC && btrfs_test_opt(cache->fs_info, ENOSPC_DEBUG)) { + btrfs_info(cache->fs_info, + "unable to make block group %llu ro", + cache->key.objectid); + btrfs_info(cache->fs_info, + "sinfo_used=%llu bg_num_bytes=%llu min_allocable=%llu", + sinfo_used, num_bytes, min_allocable_bytes); + dump_space_info(cache->fs_info, cache->space_info, 0, 0); + } return ret; } |