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-rw-r--r--fs/btrfs/extent-tree.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 54e63b273a64..42f5e6196021 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -6653,12 +6653,13 @@ use_block_rsv(struct btrfs_trans_handle *trans,
struct btrfs_block_rsv *block_rsv;
struct btrfs_block_rsv *global_rsv = &root->fs_info->global_block_rsv;
int ret;
+ bool global_updated = false;
block_rsv = get_block_rsv(trans, root);
if (unlikely(block_rsv->size == 0))
goto try_reserve;
-
+again:
ret = block_rsv_use_bytes(block_rsv, blocksize);
if (!ret)
return block_rsv;
@@ -6666,6 +6667,12 @@ use_block_rsv(struct btrfs_trans_handle *trans,
if (block_rsv->failfast)
return ERR_PTR(ret);
+ if (block_rsv->type == BTRFS_BLOCK_RSV_GLOBAL && !global_updated) {
+ global_updated = true;
+ update_global_block_rsv(root->fs_info);
+ goto again;
+ }
+
if (btrfs_test_opt(root, ENOSPC_DEBUG)) {
static DEFINE_RATELIMIT_STATE(_rs,
DEFAULT_RATELIMIT_INTERVAL * 10,