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main: skip lookup if the directory is fully loaded

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avoid doing a lookup in the lower layers if the directory is already
loaded.

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano 2019-07-20 12:37:33 +02:00
parent 7bd251b1da
commit 216ef5ef48
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GPG Key ID: E4730F97F60286ED
1 changed files with 4 additions and 1 deletions
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5
main.c
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@ -217,6 +217,7 @@ struct ovl_node
unsigned int do_rmdir : 1;
unsigned int hidden : 1;
unsigned int whiteout : 1;
unsigned int loaded : 1;
};
struct ovl_data
@ -905,6 +906,7 @@ node_free (void *p)
{
if (hash_lookup (n->parent->children, n) == n)
hash_delete (n->parent->children, n);
n->parent->loaded = 0;
n->parent = NULL;
}
@ -1377,6 +1379,7 @@ load_dir (struct ovl_data *lo, struct ovl_node *n, struct ovl_layer *layer, char
break;
}
n->loaded = 1;
return n;
}
@ -1480,7 +1483,7 @@ do_lookup_file (struct ovl_data *lo, fuse_ino_t parent, const char *name)
node_set_name (&key, (char *) name);
node = hash_lookup (pnode->children, &key);
if (node == NULL)
if (node == NULL && !pnode->loaded)
{
int ret;
struct ovl_layer *it;