[CRIU] [PATCH cr] files-reg: don't forgot about mntns_root
Andrey Vagin
avagin at openvz.org
Fri Sep 28 14:31:15 EDT 2012
All operations with files should be relative to mntns_root
Signed-off-by: Andrey Vagin <avagin at openvz.org>
---
files-reg.c | 9 +++++----
1 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/files-reg.c b/files-reg.c
index c103154..f5cb4f2 100644
--- a/files-reg.c
+++ b/files-reg.c
@@ -300,8 +300,9 @@ static int create_link_remap(char *path, int len, int lfd, u32 *idp)
* will fail if we chose the bad one.
*/
- memcpy(link_name, path, len);
- tmp = link_name + len;
+ link_name[0] = '.';
+ memcpy(link_name + 1, path, len);
+ tmp = link_name + len + 1;
while (*tmp != '/') {
BUG_ON(tmp == link_name);
tmp--;
@@ -311,12 +312,12 @@ static int create_link_remap(char *path, int len, int lfd, u32 *idp)
rfe.flags = 0;
rfe.pos = 0;
rfe.fown = &fwn;
- rfe.name = link_name;
+ rfe.name = link_name + 1;
/* Any 'unique' name works here actually. Remap works by reg-file ids. */
sprintf(tmp + 1, "link_remap.%d", rfe.id);
- if (linkat(lfd, "", 0, link_name, AT_EMPTY_PATH) < 0) {
+ if (linkat(lfd, "", mntns_root, link_name, AT_EMPTY_PATH) < 0) {
pr_perror("Can't link remap to %s", path);
return -1;
}
--
1.7.1
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