summaryrefslogtreecommitdiffstats
path: root/fs/ocfs2/extent_map.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ocfs2/extent_map.c')
-rw-r--r--fs/ocfs2/extent_map.c41
1 files changed, 3 insertions, 38 deletions
diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c
index ba2b2ab1c6e4..03c1d365c78b 100644
--- a/fs/ocfs2/extent_map.c
+++ b/fs/ocfs2/extent_map.c
@@ -109,17 +109,14 @@ static int ocfs2_extent_map_lookup(struct inode *inode, unsigned int cpos,
*/
void ocfs2_extent_map_trunc(struct inode *inode, unsigned int cpos)
{
- struct list_head *p, *n;
- struct ocfs2_extent_map_item *emi;
+ struct ocfs2_extent_map_item *emi, *n;
struct ocfs2_inode_info *oi = OCFS2_I(inode);
struct ocfs2_extent_map *em = &oi->ip_extent_map;
LIST_HEAD(tmp_list);
unsigned int range;
spin_lock(&oi->ip_lock);
- list_for_each_safe(p, n, &em->em_list) {
- emi = list_entry(p, struct ocfs2_extent_map_item, ei_list);
-
+ list_for_each_entry_safe(emi, n, &em->em_list, ei_list) {
if (emi->ei_cpos >= cpos) {
/* Full truncate of this record. */
list_move(&emi->ei_list, &tmp_list);
@@ -136,8 +133,7 @@ void ocfs2_extent_map_trunc(struct inode *inode, unsigned int cpos)
}
spin_unlock(&oi->ip_lock);
- list_for_each_safe(p, n, &tmp_list) {
- emi = list_entry(p, struct ocfs2_extent_map_item, ei_list);
+ list_for_each_entry_safe(emi, n, &tmp_list, ei_list) {
list_del(&emi->ei_list);
kfree(emi);
}
@@ -377,37 +373,6 @@ out:
return ret;
}
-/*
- * Return the index of the extent record which contains cluster #v_cluster.
- * -1 is returned if it was not found.
- *
- * Should work fine on interior and exterior nodes.
- */
-static int ocfs2_search_extent_list(struct ocfs2_extent_list *el,
- u32 v_cluster)
-{
- int ret = -1;
- int i;
- struct ocfs2_extent_rec *rec;
- u32 rec_end, rec_start, clusters;
-
- for(i = 0; i < le16_to_cpu(el->l_next_free_rec); i++) {
- rec = &el->l_recs[i];
-
- rec_start = le32_to_cpu(rec->e_cpos);
- clusters = ocfs2_rec_clusters(el, rec);
-
- rec_end = rec_start + clusters;
-
- if (v_cluster >= rec_start && v_cluster < rec_end) {
- ret = i;
- break;
- }
- }
-
- return ret;
-}
-
int ocfs2_get_clusters(struct inode *inode, u32 v_cluster,
u32 *p_cluster, u32 *num_clusters,
unsigned int *extent_flags)