bool allocated)
{
struct extent_status newes;
- int err = 0;
+ int err1 = 0;
+ int err2 = 0;
+ struct extent_status *es1 = NULL;
+ struct extent_status *es2 = NULL;
if (EXT4_SB(inode->i_sb)->s_mount_state & EXT4_FC_REPLAY)
return 0;
ext4_es_insert_extent_check(inode, &newes);
+retry:
+ if (err1 && !es1)
+ es1 = __es_alloc_extent(true);
+ if ((err1 || err2) && !es2)
+ es2 = __es_alloc_extent(true);
write_lock(&EXT4_I(inode)->i_es_lock);
- err = __es_remove_extent(inode, lblk, lblk, NULL, NULL);
- if (err != 0)
+ err1 = __es_remove_extent(inode, lblk, lblk, NULL, es1);
+ if (err1 != 0)
goto error;
-retry:
- err = __es_insert_extent(inode, &newes, NULL);
- if (err == -ENOMEM && __es_shrink(EXT4_SB(inode->i_sb),
- 128, EXT4_I(inode)))
- goto retry;
- if (err != 0)
+
+ err2 = __es_insert_extent(inode, &newes, es2);
+ if (err2 != 0)
goto error;
if (allocated)
__insert_pending(inode, lblk);
+ /* es is pre-allocated but not used, free it. */
+ if (es1 && !es1->es_len)
+ __es_free_extent(es1);
+ if (es2 && !es2->es_len)
+ __es_free_extent(es2);
error:
write_unlock(&EXT4_I(inode)->i_es_lock);
+ if (err1 || err2)
+ goto retry;
ext4_es_print_tree(inode);
ext4_print_pending_tree(inode);
-
- return err;
+ return 0;
}
/*