static struct kmem_cache *ext4_es_cachep;
static struct kmem_cache *ext4_pending_cachep;
-static int __es_insert_extent(struct inode *inode, struct extent_status *newes);
+static int __es_insert_extent(struct inode *inode, struct extent_status *newes,
+ struct extent_status *prealloc);
static int __es_remove_extent(struct inode *inode, ext4_lblk_t lblk,
ext4_lblk_t end, int *reserved);
static int es_reclaim_extents(struct ext4_inode_info *ei, int *nr_to_scan);
}
#endif
-static int __es_insert_extent(struct inode *inode, struct extent_status *newes)
+static int __es_insert_extent(struct inode *inode, struct extent_status *newes,
+ struct extent_status *prealloc)
{
struct ext4_es_tree *tree = &EXT4_I(inode)->i_es_tree;
struct rb_node **p = &tree->root.rb_node;
}
}
- es = __es_alloc_extent(false);
+ if (prealloc)
+ es = prealloc;
+ else
+ es = __es_alloc_extent(false);
if (!es)
return -ENOMEM;
ext4_es_init_extent(inode, es, newes->es_lblk, newes->es_len,
if (err != 0)
goto error;
retry:
- err = __es_insert_extent(inode, &newes);
+ err = __es_insert_extent(inode, &newes, NULL);
if (err == -ENOMEM && __es_shrink(EXT4_SB(inode->i_sb),
128, EXT4_I(inode)))
goto retry;
es = __es_tree_search(&EXT4_I(inode)->i_es_tree.root, lblk);
if (!es || es->es_lblk > end)
- __es_insert_extent(inode, &newes);
+ __es_insert_extent(inode, &newes, NULL);
write_unlock(&EXT4_I(inode)->i_es_lock);
}
orig_es.es_len - len2;
ext4_es_store_pblock_status(&newes, block,
ext4_es_status(&orig_es));
- err = __es_insert_extent(inode, &newes);
+ err = __es_insert_extent(inode, &newes, NULL);
if (err) {
es->es_lblk = orig_es.es_lblk;
es->es_len = orig_es.es_len;
if (err != 0)
goto error;
retry:
- err = __es_insert_extent(inode, &newes);
+ err = __es_insert_extent(inode, &newes, NULL);
if (err == -ENOMEM && __es_shrink(EXT4_SB(inode->i_sb),
128, EXT4_I(inode)))
goto retry;