aboutsummaryrefslogtreecommitdiffstats
path: root/fs/ocfs2/refcounttree.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ocfs2/refcounttree.c')
-rw-r--r--fs/ocfs2/refcounttree.c56
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,
1147static int ocfs2_change_refcount_rec(handle_t *handle, 1147static int ocfs2_change_refcount_rec(handle_t *handle,
1148 struct ocfs2_caching_info *ci, 1148 struct ocfs2_caching_info *ci,
1149 struct buffer_head *ref_leaf_bh, 1149 struct buffer_head *ref_leaf_bh,
1150 int index, int change) 1150 int index, int merge, int change)
1151{ 1151{
1152 int ret; 1152 int ret;
1153 struct ocfs2_refcount_block *rb = 1153 struct ocfs2_refcount_block *rb =
@@ -1176,7 +1176,7 @@ static int ocfs2_change_refcount_rec(handle_t *handle,
1176 } 1176 }
1177 1177
1178 le16_add_cpu(&rl->rl_used, -1); 1178 le16_add_cpu(&rl->rl_used, -1);
1179 } else 1179 } else if (merge)
1180 ocfs2_refcount_rec_merge(rb, index); 1180 ocfs2_refcount_rec_merge(rb, index);
1181 1181
1182 ret = ocfs2_journal_dirty(handle, ref_leaf_bh); 1182 ret = ocfs2_journal_dirty(handle, ref_leaf_bh);
@@ -1652,7 +1652,7 @@ static int ocfs2_insert_refcount_rec(handle_t *handle,
1652 struct buffer_head *ref_root_bh, 1652 struct buffer_head *ref_root_bh,
1653 struct buffer_head *ref_leaf_bh, 1653 struct buffer_head *ref_leaf_bh,
1654 struct ocfs2_refcount_rec *rec, 1654 struct ocfs2_refcount_rec *rec,
1655 int index, 1655 int index, int merge,
1656 struct ocfs2_alloc_context *meta_ac) 1656 struct ocfs2_alloc_context *meta_ac)
1657{ 1657{
1658 int ret; 1658 int ret;
@@ -1710,7 +1710,8 @@ static int ocfs2_insert_refcount_rec(handle_t *handle,
1710 1710
1711 le16_add_cpu(&rf_list->rl_used, 1); 1711 le16_add_cpu(&rf_list->rl_used, 1);
1712 1712
1713 ocfs2_refcount_rec_merge(rb, index); 1713 if (merge)
1714 ocfs2_refcount_rec_merge(rb, index);
1714 1715
1715 ret = ocfs2_journal_dirty(handle, ref_leaf_bh); 1716 ret = ocfs2_journal_dirty(handle, ref_leaf_bh);
1716 if (ret) { 1717 if (ret) {
@@ -1744,7 +1745,7 @@ static int ocfs2_split_refcount_rec(handle_t *handle,
1744 struct buffer_head *ref_root_bh, 1745 struct buffer_head *ref_root_bh,
1745 struct buffer_head *ref_leaf_bh, 1746 struct buffer_head *ref_leaf_bh,
1746 struct ocfs2_refcount_rec *split_rec, 1747 struct ocfs2_refcount_rec *split_rec,
1747 int index, 1748 int index, int merge,
1748 struct ocfs2_alloc_context *meta_ac, 1749 struct ocfs2_alloc_context *meta_ac,
1749 struct ocfs2_cached_dealloc_ctxt *dealloc) 1750 struct ocfs2_cached_dealloc_ctxt *dealloc)
1750{ 1751{
@@ -1882,7 +1883,8 @@ static int ocfs2_split_refcount_rec(handle_t *handle,
1882 le32_to_cpu(split_rec->r_refcount), 1883 le32_to_cpu(split_rec->r_refcount),
1883 (unsigned long long)ref_leaf_bh->b_blocknr, index); 1884 (unsigned long long)ref_leaf_bh->b_blocknr, index);
1884 1885
1885 ocfs2_refcount_rec_merge(rb, index); 1886 if (merge)
1887 ocfs2_refcount_rec_merge(rb, index);
1886 } 1888 }
1887 1889
1888 ret = ocfs2_journal_dirty(handle, ref_leaf_bh); 1890 ret = ocfs2_journal_dirty(handle, ref_leaf_bh);
@@ -1894,12 +1896,12 @@ out:
1894 return ret; 1896 return ret;
1895} 1897}
1896 1898
1897int ocfs2_increase_refcount(handle_t *handle, 1899static int __ocfs2_increase_refcount(handle_t *handle,
1898 struct ocfs2_caching_info *ci, 1900 struct ocfs2_caching_info *ci,
1899 struct buffer_head *ref_root_bh, 1901 struct buffer_head *ref_root_bh,
1900 u64 cpos, u32 len, 1902 u64 cpos, u32 len, int merge,
1901 struct ocfs2_alloc_context *meta_ac, 1903 struct ocfs2_alloc_context *meta_ac,
1902 struct ocfs2_cached_dealloc_ctxt *dealloc) 1904 struct ocfs2_cached_dealloc_ctxt *dealloc)
1903{ 1905{
1904 int ret = 0, index; 1906 int ret = 0, index;
1905 struct buffer_head *ref_leaf_bh = NULL; 1907 struct buffer_head *ref_leaf_bh = NULL;
@@ -1937,7 +1939,8 @@ int ocfs2_increase_refcount(handle_t *handle,
1937 "count %u\n", (unsigned long long)cpos, set_len, 1939 "count %u\n", (unsigned long long)cpos, set_len,
1938 le32_to_cpu(rec.r_refcount)); 1940 le32_to_cpu(rec.r_refcount));
1939 ret = ocfs2_change_refcount_rec(handle, ci, 1941 ret = ocfs2_change_refcount_rec(handle, ci,
1940 ref_leaf_bh, index, 1); 1942 ref_leaf_bh, index,
1943 merge, 1);
1941 if (ret) { 1944 if (ret) {
1942 mlog_errno(ret); 1945 mlog_errno(ret);
1943 goto out; 1946 goto out;
@@ -1950,7 +1953,8 @@ int ocfs2_increase_refcount(handle_t *handle,
1950 set_len); 1953 set_len);
1951 ret = ocfs2_insert_refcount_rec(handle, ci, ref_root_bh, 1954 ret = ocfs2_insert_refcount_rec(handle, ci, ref_root_bh,
1952 ref_leaf_bh, 1955 ref_leaf_bh,
1953 &rec, index, meta_ac); 1956 &rec, index,
1957 merge, meta_ac);
1954 if (ret) { 1958 if (ret) {
1955 mlog_errno(ret); 1959 mlog_errno(ret);
1956 goto out; 1960 goto out;
@@ -1968,7 +1972,7 @@ int ocfs2_increase_refcount(handle_t *handle,
1968 set_len, le32_to_cpu(rec.r_refcount)); 1972 set_len, le32_to_cpu(rec.r_refcount));
1969 ret = ocfs2_split_refcount_rec(handle, ci, 1973 ret = ocfs2_split_refcount_rec(handle, ci,
1970 ref_root_bh, ref_leaf_bh, 1974 ref_root_bh, ref_leaf_bh,
1971 &rec, index, 1975 &rec, index, merge,
1972 meta_ac, dealloc); 1976 meta_ac, dealloc);
1973 if (ret) { 1977 if (ret) {
1974 mlog_errno(ret); 1978 mlog_errno(ret);
@@ -2061,6 +2065,18 @@ out:
2061 return ret; 2065 return ret;
2062} 2066}
2063 2067
2068int ocfs2_increase_refcount(handle_t *handle,
2069 struct ocfs2_caching_info *ci,
2070 struct buffer_head *ref_root_bh,
2071 u64 cpos, u32 len,
2072 struct ocfs2_alloc_context *meta_ac,
2073 struct ocfs2_cached_dealloc_ctxt *dealloc)
2074{
2075 return __ocfs2_increase_refcount(handle, ci, ref_root_bh,
2076 cpos, len, 1,
2077 meta_ac, dealloc);
2078}
2079
2064static int ocfs2_decrease_refcount_rec(handle_t *handle, 2080static int ocfs2_decrease_refcount_rec(handle_t *handle,
2065 struct ocfs2_caching_info *ci, 2081 struct ocfs2_caching_info *ci,
2066 struct buffer_head *ref_root_bh, 2082 struct buffer_head *ref_root_bh,
@@ -2081,7 +2097,7 @@ static int ocfs2_decrease_refcount_rec(handle_t *handle,
2081 if (cpos == le64_to_cpu(rec->r_cpos) && 2097 if (cpos == le64_to_cpu(rec->r_cpos) &&
2082 len == le32_to_cpu(rec->r_clusters)) 2098 len == le32_to_cpu(rec->r_clusters))
2083 ret = ocfs2_change_refcount_rec(handle, ci, 2099 ret = ocfs2_change_refcount_rec(handle, ci,
2084 ref_leaf_bh, index, -1); 2100 ref_leaf_bh, index, 1, -1);
2085 else { 2101 else {
2086 struct ocfs2_refcount_rec split = *rec; 2102 struct ocfs2_refcount_rec split = *rec;
2087 split.r_cpos = cpu_to_le64(cpos); 2103 split.r_cpos = cpu_to_le64(cpos);
@@ -2097,7 +2113,7 @@ static int ocfs2_decrease_refcount_rec(handle_t *handle,
2097 le32_to_cpu(rec->r_clusters)); 2113 le32_to_cpu(rec->r_clusters));
2098 ret = ocfs2_split_refcount_rec(handle, ci, 2114 ret = ocfs2_split_refcount_rec(handle, ci,
2099 ref_root_bh, ref_leaf_bh, 2115 ref_root_bh, ref_leaf_bh,
2100 &split, index, 2116 &split, index, 1,
2101 meta_ac, dealloc); 2117 meta_ac, dealloc);
2102 } 2118 }
2103 2119
@@ -3631,9 +3647,9 @@ int ocfs2_add_refcount_flag(struct inode *inode,
3631 goto out_commit; 3647 goto out_commit;
3632 } 3648 }
3633 3649
3634 ret = ocfs2_increase_refcount(handle, ref_ci, ref_root_bh, 3650 ret = __ocfs2_increase_refcount(handle, ref_ci, ref_root_bh,
3635 p_cluster, num_clusters, 3651 p_cluster, num_clusters, 0,
3636 meta_ac, dealloc); 3652 meta_ac, dealloc);
3637 if (ret) { 3653 if (ret) {
3638 mlog_errno(ret); 3654 mlog_errno(ret);
3639 goto out_commit; 3655 goto out_commit;