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fuse-overlayfs: hide directories recursively on a rename

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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano 2018-07-12 23:04:58 +02:00
parent b054b9a191
commit 0cc1b77696
No known key found for this signature in database
GPG Key ID: E4730F97F60286ED
1 changed files with 30 additions and 5 deletions
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35
main.c
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@ -1108,7 +1108,7 @@ out_errno:
}
static int
create_missing_whiteouts (struct ovl_data *lo, struct ovl_node *node, struct ovl_node *from)
create_missing_whiteouts (struct ovl_data *lo, struct ovl_node *node, const char *from)
{
struct ovl_layer *l;
@ -1124,7 +1124,7 @@ create_missing_whiteouts (struct ovl_data *lo, struct ovl_node *node, struct ovl
DIR *dp;
int fd;
fd = TEMP_FAILURE_RETRY (openat (l->fd, from->path, O_DIRECTORY));
fd = TEMP_FAILURE_RETRY (openat (l->fd, from, O_DIRECTORY));
if (fd < 0)
{
if (errno == ENOENT)
@ -1154,7 +1154,32 @@ create_missing_whiteouts (struct ovl_data *lo, struct ovl_node *node, struct ovl
n = hash_lookup (node->children, &key);
if (n)
continue;
{
if (node_dirp (n))
{
char *c;
n = load_dir (lo, n, n->layer, n->path, n->name);
if (n == NULL)
{
closedir (dp);
return -1;
}
if (asprintf (&c, "%s/%s", from, n->name) < 0)
{
closedir (dp);
return -1;
}
if (create_missing_whiteouts (lo, n, c) < 0)
{
free (c);
closedir (dp);
return -1;
}
free (c);
}
continue;
}
if (create_whiteout (lo, node, dent->d_name) < 0)
{
@ -2609,7 +2634,7 @@ ovl_rename (fuse_req_t req, fuse_ino_t parent, const char *name,
goto error;
}
if (create_missing_whiteouts (lo, node, destnode) < 0)
if (create_missing_whiteouts (lo, node, destnode->path) < 0)
{
fuse_reply_err (req, errno);
return;
@ -2623,7 +2648,7 @@ ovl_rename (fuse_req_t req, fuse_ino_t parent, const char *name,
goto error;
if (node_dirp (node) && rm->present_lowerdir)
{
if (create_missing_whiteouts (lo, node, rm) < 0)
if (create_missing_whiteouts (lo, node, rm->path) < 0)
goto error;
}