Add quotaio_lxc.c[.h] to isolate container quotactl operations.
Signed-off-by: Jie Liu <[email protected]>
---
quotaio_lxc.c | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
quotaio_lxc.h | 4 +++
2 files changed, 82 insertions(+), 0 deletions(-)
create mode 100644 quotaio_lxc.c
create mode 100644 quotaio_lxc.h
diff --git a/quotaio_lxc.c b/quotaio_lxc.c
new file mode 100644
index 0000000..b3a8144
--- /dev/null
+++ b/quotaio_lxc.c
@@ -0,0 +1,78 @@
+#include "config.h"
+
+#include <errno.h>
+#include <string.h>
+#include <pwd.h>
+#include <grp.h>
+#include <stdlib.h>
+#include <sys/types.h>
+
+#include "pot.h"
+#include "common.h"
+#include "quotaio.h"
+#include "quotaio_generic.h"
+#include "quota.h"
+#include "quotasys.h"
+#include "dqblk_lxc.h"
+
+int lxc_init_io(struct quota_handle *h);
+int lxc_write_info(struct quota_handle *h);
+struct dquot *lxc_read_dquot(struct quota_handle *h, qid_t id);
+int lxc_commit_dquot(struct dquot *dquot, int flags);
+int lxc_scan_dquots(struct quota_handle *h, int (*process_dquot)(struct
+dquot *dquot, char *dqname));
+
+struct quotafile_ops quotafile_ops_lxc = {
+init_io: lxc_init_io,
+write_info: lxc_write_info,
+read_dquot: lxc_read_dquot,
+commit_dquot: lxc_commit_dquot,
+scan_dquots: lxc_scan_dquots
+};
+
+/*
+ * Initialize container quota information
+ */
+int lxc_init_io(struct quota_handle *h)
+{
+ /*
+ * FIXME: at first, before turning LXC quota on,
+ * call vfs_get_info() will failed as ENOSCH, so
+ * just return 0 is ok.
+ * Should we consider to call vfs_get_info(h) here?
+ */
+ return 0;
+}
+
+/*
+ * Write information (grace times)
+ */
+int lxc_write_info(struct quota_handle *h)
+{
+ return vfs_set_info(h, IIF_BGRACE | IIF_IGRACE);
+}
+
+struct dquot *lxc_read_dquot(struct quota_handle *h, qid_t id)
+{
+ struct dquot *dquot = get_empty_dquot();
+
+ dquot->dq_id = id;
+ dquot->dq_h = h;
+ memset(&dquot->dq_dqb, 0, sizeof(struct util_dqblk));
+ if (vfs_get_dquot(dquot) < 0) {
+ free(dquot);
+ return NULL;
+ }
+ return dquot;
+}
+
+int lxc_commit_dquot(struct dquot *dquot, int flags)
+{
+ return vfs_set_dquot(dquot, flags);
+}
+
+int lxc_scan_dquots(struct quota_handle *h, int (*process_dquot)(struct
+dquot *dquot, char *dqname))
+{
+ return generic_scan_dquots(h, process_dquot, vfs_get_dquot);
+}
diff --git a/quotaio_lxc.h b/quotaio_lxc.h
new file mode 100644
index 0000000..2ae2899
--- /dev/null
+++ b/quotaio_lxc.h
@@ -0,0 +1,4 @@
+#ifndef GUARD_QUOTAIO_GENERIC_H
+#define GUARD_QUOTAIO_GENERIC_H
+
+#endif
--
1.7.9