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Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r--fs/btrfs/extent-tree.c27
1 files changed, 22 insertions, 5 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 153f71a5bba9..274318e9114e 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1869,8 +1869,8 @@ static int cleanup_ref_head(struct btrfs_trans_handle *trans,
btrfs_pin_extent(fs_info, head->bytenr,
head->num_bytes, 1);
if (head->is_data) {
- ret = btrfs_del_csums(trans, fs_info, head->bytenr,
- head->num_bytes);
+ ret = btrfs_del_csums(trans, fs_info->csum_root,
+ head->bytenr, head->num_bytes);
}
}
@@ -3175,7 +3175,8 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
btrfs_release_path(path);
if (is_data) {
- ret = btrfs_del_csums(trans, info, bytenr, num_bytes);
+ ret = btrfs_del_csums(trans, info->csum_root, bytenr,
+ num_bytes);
if (ret) {
btrfs_abort_transaction(trans, ret);
goto out;
@@ -3799,6 +3800,7 @@ static noinline int find_free_extent(struct btrfs_fs_info *fs_info,
u64 flags, int delalloc)
{
int ret = 0;
+ int cache_block_group_error = 0;
struct btrfs_free_cluster *last_ptr = NULL;
struct btrfs_block_group *block_group = NULL;
struct find_free_extent_ctl ffe_ctl = {0};
@@ -3958,7 +3960,20 @@ have_block_group:
if (unlikely(!ffe_ctl.cached)) {
ffe_ctl.have_caching_bg = true;
ret = btrfs_cache_block_group(block_group, 0);
- BUG_ON(ret < 0);
+
+ /*
+ * If we get ENOMEM here or something else we want to
+ * try other block groups, because it may not be fatal.
+ * However if we can't find anything else we need to
+ * save our return here so that we return the actual
+ * error that caused problems, not ENOSPC.
+ */
+ if (ret < 0) {
+ if (!cache_block_group_error)
+ cache_block_group_error = ret;
+ ret = 0;
+ goto loop;
+ }
ret = 0;
}
@@ -4045,7 +4060,7 @@ loop:
if (ret > 0)
goto search;
- if (ret == -ENOSPC) {
+ if (ret == -ENOSPC && !cache_block_group_error) {
/*
* Use ffe_ctl->total_free_space as fallback if we can't find
* any contiguous hole.
@@ -4056,6 +4071,8 @@ loop:
space_info->max_extent_size = ffe_ctl.max_extent_size;
spin_unlock(&space_info->lock);
ins->offset = ffe_ctl.max_extent_size;
+ } else if (ret == -ENOSPC) {
+ ret = cache_block_group_error;
}
return ret;
}