lxc/0026-remove-filelock-and-do-not-destroy-directory-when-de.patch
2019-12-25 15:57:42 +08:00

133 lines
3.2 KiB
Diff

From bb6ce8063c801154eae7f2d6f22c016811c1694b Mon Sep 17 00:00:00 2001
From: tanyifeng <tanyifeng1@huawei.com>
Date: Mon, 14 Jan 2019 21:13:00 +0800
Subject: [PATCH 026/131] remove filelock and do not destroy directory when
destroy container
Signed-off-by: LiFeng <lifeng68@huawei.com>
---
src/lxc/lxccontainer.c | 14 ++++++++++++--
src/lxc/lxclock.c | 25 +++++++++++++++++++++++++
src/lxc/lxclock.h | 5 +++++
src/lxc/storage/dir.c | 12 +-----------
4 files changed, 43 insertions(+), 13 deletions(-)
diff --git a/src/lxc/lxccontainer.c b/src/lxc/lxccontainer.c
index 68134d87..81c0ec35 100644
--- a/src/lxc/lxccontainer.c
+++ b/src/lxc/lxccontainer.c
@@ -2996,8 +2996,14 @@ static bool container_destroy(struct lxc_container *c,
bool bret = false;
int ret = 0;
- if (!c || !do_lxcapi_is_defined(c))
+ if (!c)
return false;
+ // isulad: if container is not defined, we need to remove disk lock file
+ // which is created in lxc_container_new.
+ if (!do_lxcapi_is_defined(c)) {
+ container_disk_removelock(c);
+ return false;
+ }
conf = c->lxc_conf;
if (container_disk_lock(c))
@@ -3124,12 +3130,16 @@ out:
free(path);
container_disk_unlock(c);
+ if (bret) {
+ if (container_disk_removelock(c))
+ bret = false;
+ }
return bret;
}
static bool do_lxcapi_destroy(struct lxc_container *c)
{
- if (!c || !lxcapi_is_defined(c))
+ if (!c)
return false;
if (has_snapshots(c)) {
diff --git a/src/lxc/lxclock.c b/src/lxc/lxclock.c
index e3d4654b..8890968f 100644
--- a/src/lxc/lxclock.c
+++ b/src/lxc/lxclock.c
@@ -198,6 +198,21 @@ on_error:
return l;
}
+static int lxc_removelock(struct lxc_lock *l)
+{
+ int ret = 0;
+
+ if (l->type == LXC_LOCK_FLOCK) {
+ ret = unlink(l->u.f.fname);
+ if (ret && errno != ENOENT) {
+ SYSERROR("Error unlink %s", l->u.f.fname);
+ return ret;
+ }
+ }
+
+ return ret;
+}
+
int lxclock(struct lxc_lock *l, int timeout)
{
struct flock lk;
@@ -386,3 +401,13 @@ void container_disk_unlock(struct lxc_container *c)
lxcunlock(c->slock);
lxcunlock(c->privlock);
}
+
+int container_disk_removelock(struct lxc_container *c)
+{
+ int ret;
+
+ ret = lxc_removelock(c->slock);
+ if (ret)
+ return ret;
+ return lxc_removelock(c->privlock);
+}
diff --git a/src/lxc/lxclock.h b/src/lxc/lxclock.h
index 364a71b8..e86bc340 100644
--- a/src/lxc/lxclock.h
+++ b/src/lxc/lxclock.h
@@ -174,4 +174,9 @@ extern int container_disk_lock(struct lxc_container *c);
*/
extern void container_disk_unlock(struct lxc_container *c);
+/*!
+ * \brief isulad: remove the containers disk lock file.
+ */
+int container_disk_removelock(struct lxc_container *c);
+
#endif
diff --git a/src/lxc/storage/dir.c b/src/lxc/storage/dir.c
index c7b5ee27..deeecec2 100644
--- a/src/lxc/storage/dir.c
+++ b/src/lxc/storage/dir.c
@@ -123,17 +123,7 @@ int dir_create(struct lxc_storage *bdev, const char *dest, const char *n,
int dir_destroy(struct lxc_storage *orig)
{
- int ret;
- const char *src;
-
- src = lxc_storage_get_path(orig->src, orig->src);
-
- ret = lxc_rmdir_onedev(src, NULL);
- if (ret < 0) {
- ERROR("Failed to delete \"%s\"", src);
- return -1;
- }
-
+ // isulad: do not destroy rootfs for directory, it should be managed by caller
return 0;
}
--
2.23.0