diff options
| -rw-r--r-- | fs/btrfs/extent-tree.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 9183f9cbc121..d8da538d01fb 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -4034,6 +4034,8 @@ static inline int calc_reclaim_items_nr(struct btrfs_root *root, u64 to_reclaim) return nr; } +#define EXTENT_SIZE_PER_ITEM (256 * 1024) + /* * shrink metadata reservation for delalloc */ @@ -4050,6 +4052,10 @@ static void shrink_delalloc(struct btrfs_root *root, u64 to_reclaim, u64 orig, int loops; enum btrfs_reserve_flush_enum flush; + /* Calc the number of the pages we need flush for space reservation */ + to_reclaim = calc_reclaim_items_nr(root, to_reclaim); + to_reclaim *= EXTENT_SIZE_PER_ITEM; + trans = (struct btrfs_trans_handle *)current->journal_info; block_rsv = &root->fs_info->delalloc_block_rsv; space_info = block_rsv->space_info; |