diff options
Diffstat (limited to 'fs/ocfs2/refcounttree.c')
| -rw-r--r-- | fs/ocfs2/refcounttree.c | 56 |
1 files changed, 36 insertions, 20 deletions
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c index dc57d066f794..47df8c5cd3c5 100644 --- a/fs/ocfs2/refcounttree.c +++ b/fs/ocfs2/refcounttree.c @@ -1147,7 +1147,7 @@ static void ocfs2_refcount_rec_merge(struct ocfs2_refcount_block *rb, static int ocfs2_change_refcount_rec(handle_t *handle, struct ocfs2_caching_info *ci, struct buffer_head *ref_leaf_bh, - int index, int change) + int index, int merge, int change) { int ret; struct ocfs2_refcount_block *rb = @@ -1176,7 +1176,7 @@ static int ocfs2_change_refcount_rec(handle_t *handle, } le16_add_cpu(&rl->rl_used, -1); - } else + } else if (merge) ocfs2_refcount_rec_merge(rb, index); ret = ocfs2_journal_dirty(handle, ref_leaf_bh); @@ -1652,7 +1652,7 @@ static int ocfs2_insert_refcount_rec(handle_t *handle, struct buffer_head *ref_root_bh, struct buffer_head *ref_leaf_bh, struct ocfs2_refcount_rec *rec, - int index, + int index, int merge, struct ocfs2_alloc_context *meta_ac) { int ret; @@ -1710,7 +1710,8 @@ static int ocfs2_insert_refcount_rec(handle_t *handle, le16_add_cpu(&rf_list->rl_used, 1); - ocfs2_refcount_rec_merge(rb, index); + if (merge) + ocfs2_refcount_rec_merge(rb, index); ret = ocfs2_journal_dirty(handle, ref_leaf_bh); if (ret) { @@ -1744,7 +1745,7 @@ static int ocfs2_split_refcount_rec(handle_t *handle, struct buffer_head *ref_root_bh, struct buffer_head *ref_leaf_bh, struct ocfs2_refcount_rec *split_rec, - int index, + int index, int merge, struct ocfs2_alloc_context *meta_ac, struct ocfs2_cached_dealloc_ctxt *dealloc) { @@ -1882,7 +1883,8 @@ static int ocfs2_split_refcount_rec(handle_t *handle, le32_to_cpu(split_rec->r_refcount), (unsigned long long)ref_leaf_bh->b_blocknr, index); - ocfs2_refcount_rec_merge(rb, index); + if (merge) + ocfs2_refcount_rec_merge(rb, index); } ret = ocfs2_journal_dirty(handle, ref_leaf_bh); @@ -1894,12 +1896,12 @@ out: return ret; } -int ocfs2_increase_refcount(handle_t *handle, - struct ocfs2_caching_info *ci, - struct buffer_head *ref_root_bh, - u64 cpos, u32 len, - struct ocfs2_alloc_context *meta_ac, - struct ocfs2_cached_dealloc_ctxt *dealloc) +static int __ocfs2_increase_refcount(handle_t *handle, + struct ocfs2_caching_info *ci, + struct buffer_head *ref_root_bh, + u64 cpos, u32 len, int merge, + struct ocfs2_alloc_context *meta_ac, + struct ocfs2_cached_dealloc_ctxt *dealloc) { int ret = 0, index; struct buffer_head *ref_leaf_bh = NULL; @@ -1937,7 +1939,8 @@ int ocfs2_increase_refcount(handle_t *handle, "count %u\n", (unsigned long long)cpos, set_len, le32_to_cpu(rec.r_refcount)); ret = ocfs2_change_refcount_rec(handle, ci, - ref_leaf_bh, index, 1); + ref_leaf_bh, index, + merge, 1); if (ret) { mlog_errno(ret); goto out; @@ -1950,7 +1953,8 @@ int ocfs2_increase_refcount(handle_t *handle, set_len); ret = ocfs2_insert_refcount_rec(handle, ci, ref_root_bh, ref_leaf_bh, - &rec, index, meta_ac); + &rec, index, + merge, meta_ac); if (ret) { mlog_errno(ret); goto out; @@ -1968,7 +1972,7 @@ int ocfs2_increase_refcount(handle_t *handle, set_len, le32_to_cpu(rec.r_refcount)); ret = ocfs2_split_refcount_rec(handle, ci, ref_root_bh, ref_leaf_bh, - &rec, index, + &rec, index, merge, meta_ac, dealloc); if (ret) { mlog_errno(ret); @@ -2061,6 +2065,18 @@ out: return ret; } +int ocfs2_increase_refcount(handle_t *handle, + struct ocfs2_caching_info *ci, + struct buffer_head *ref_root_bh, + u64 cpos, u32 len, + struct ocfs2_alloc_context *meta_ac, + struct ocfs2_cached_dealloc_ctxt *dealloc) +{ + return __ocfs2_increase_refcount(handle, ci, ref_root_bh, + cpos, len, 1, + meta_ac, dealloc); +} + static int ocfs2_decrease_refcount_rec(handle_t *handle, struct ocfs2_caching_info *ci, struct buffer_head *ref_root_bh, @@ -2081,7 +2097,7 @@ static int ocfs2_decrease_refcount_rec(handle_t *handle, if (cpos == le64_to_cpu(rec->r_cpos) && len == le32_to_cpu(rec->r_clusters)) ret = ocfs2_change_refcount_rec(handle, ci, - ref_leaf_bh, index, -1); + ref_leaf_bh, index, 1, -1); else { struct ocfs2_refcount_rec split = *rec; split.r_cpos = cpu_to_le64(cpos); @@ -2097,7 +2113,7 @@ static int ocfs2_decrease_refcount_rec(handle_t *handle, le32_to_cpu(rec->r_clusters)); ret = ocfs2_split_refcount_rec(handle, ci, ref_root_bh, ref_leaf_bh, - &split, index, + &split, index, 1, meta_ac, dealloc); } @@ -3631,9 +3647,9 @@ int ocfs2_add_refcount_flag(struct inode *inode, goto out_commit; } - ret = ocfs2_increase_refcount(handle, ref_ci, ref_root_bh, - p_cluster, num_clusters, - meta_ac, dealloc); + ret = __ocfs2_increase_refcount(handle, ref_ci, ref_root_bh, + p_cluster, num_clusters, 0, + meta_ac, dealloc); if (ret) { mlog_errno(ret); goto out_commit; |