bdev/bdev.h \
bdev/lxcaufs.h \
bdev/lxcbtrfs.h \
+ bdev/lxcdir.h \
bdev/lxclvm.h \
bdev/lxcoverlay.h \
bdev/lxcrsync.h \
bdev/bdev.c bdev/bdev.h \
bdev/lxcaufs.c bdev/lxcaufs.h \
bdev/lxcbtrfs.c bdev/lxcbtrfs.h \
+ bdev/lxcdir.c bdev/lxcdir.h \
bdev/lxclvm.c bdev/lxclvm.h \
bdev/lxcoverlay.c bdev/lxcoverlay.h \
bdev/lxcrsync.c bdev/lxcrsync.h \
#include "lxc.h"
#include "lxcaufs.h"
#include "lxcbtrfs.h"
+#include "lxcdir.h"
#include "lxclock.h"
#include "lxclvm.h"
#include "lxcoverlay.h"
.can_backup = true,
};
+static const struct bdev_ops dir_ops = {
+ .detect = &dir_detect,
+ .mount = &dir_mount,
+ .umount = &dir_umount,
+ .clone_paths = &dir_clonepaths,
+ .destroy = &dir_destroy,
+ .create = &dir_create,
+ .can_snapshot = false,
+ .can_backup = true,
+};
+
/* lvm */
static const struct bdev_ops lvm_ops = {
.detect = &lvm_detect,
.can_backup = true,
};
-/* functions associated with a dir bdev struct */
-static int dir_clonepaths(struct bdev *orig, struct bdev *new,
- const char *oldname, const char *cname,
- const char *oldpath, const char *lxcpath, int snap,
- uint64_t newsize, struct lxc_conf *conf);
-static int dir_create(struct bdev *bdev, const char *dest, const char *n,
- struct bdev_specs *specs);
-static int dir_destroy(struct bdev *orig);
-static int dir_detect(const char *path);
-static int dir_mount(struct bdev *bdev);
-static int dir_umount(struct bdev *bdev);
-
/* functions associated with a loop bdev struct */
static int do_loop_create(const char *path, uint64_t size, const char *fstype);
static int loop_create(struct bdev *bdev, const char *dest, const char *n,
const struct bdev_ops *ops;
};
-static int dir_detect(const char *path)
-{
- if (strncmp(path, "dir:", 4) == 0)
- return 1; // take their word for it
- if (is_dir(path))
- return 1;
- return 0;
-}
-
-//
-// XXXXXXX plain directory bind mount ops
-//
-static int dir_mount(struct bdev *bdev)
-{
- unsigned long mntflags;
- char *mntdata;
- int ret;
-
- if (strcmp(bdev->type, "dir"))
- return -22;
- if (!bdev->src || !bdev->dest)
- return -22;
-
- if (parse_mntopts(bdev->mntopts, &mntflags, &mntdata) < 0) {
- free(mntdata);
- return -22;
- }
-
- ret = mount(bdev->src, bdev->dest, "bind", MS_BIND | MS_REC | mntflags, mntdata);
- free(mntdata);
- return ret;
-}
-
-static int dir_umount(struct bdev *bdev)
-{
- if (strcmp(bdev->type, "dir"))
- return -22;
- if (!bdev->src || !bdev->dest)
- return -22;
- return umount(bdev->dest);
-}
-
-/*
- * for a simple directory bind mount, we substitute the old container
- * name and paths for the new
- */
-static int dir_clonepaths(struct bdev *orig, struct bdev *new,
- const char *oldname, const char *cname,
- const char *oldpath, const char *lxcpath, int snap,
- uint64_t newsize, struct lxc_conf *conf)
-{
- int len, ret;
-
- if (snap) {
- ERROR("directories cannot be snapshotted. Try aufs or overlayfs.");
- return -1;
- }
-
- if (!orig->dest || !orig->src)
- return -1;
-
- len = strlen(lxcpath) + strlen(cname) + strlen("rootfs") + 3;
- new->src = malloc(len);
- if (!new->src)
- return -1;
- ret = snprintf(new->src, len, "%s/%s/rootfs", lxcpath, cname);
- if (ret < 0 || ret >= len)
- return -1;
- if ((new->dest = strdup(new->src)) == NULL)
- return -1;
-
- return 0;
-}
-
-static int dir_destroy(struct bdev *orig)
-{
- if (lxc_rmdir_onedev(orig->src, NULL) < 0)
- return -1;
- return 0;
-}
-
-static int dir_create(struct bdev *bdev, const char *dest, const char *n,
- struct bdev_specs *specs)
-{
- if (specs && specs->dir)
- bdev->src = strdup(specs->dir);
- else
- bdev->src = strdup(dest);
- bdev->dest = strdup(dest);
- if (!bdev->src || !bdev->dest) {
- ERROR("Out of memory");
- return -1;
- }
-
- if (mkdir_p(bdev->src, 0755) < 0) {
- ERROR("Error creating %s", bdev->src);
- return -1;
- }
- if (mkdir_p(bdev->dest, 0755) < 0) {
- ERROR("Error creating %s", bdev->dest);
- return -1;
- }
-
- return 0;
-}
-
-static const struct bdev_ops dir_ops = {
- .detect = &dir_detect,
- .mount = &dir_mount,
- .umount = &dir_umount,
- .clone_paths = &dir_clonepaths,
- .destroy = &dir_destroy,
- .create = &dir_create,
- .can_snapshot = false,
- .can_backup = true,
-};
-
// this will return 1 for physical disks, qemu-nbd, loop, etc
// right now only lvm is a block device
int is_blktype(struct bdev *b)
--- /dev/null
+/*
+ * lxc: linux Container library
+ *
+ * (C) Copyright IBM Corp. 2007, 2008
+ *
+ * Authors:
+ * Daniel Lezcano <daniel.lezcano at free.fr>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#define _GNU_SOURCE
+#include <stdint.h>
+#include <string.h>
+
+#include "bdev.h"
+#include "log.h"
+#include "utils.h"
+
+lxc_log_define(lxcdir, lxc);
+
+/*
+ * for a simple directory bind mount, we substitute the old container
+ * name and paths for the new
+ */
+int dir_clonepaths(struct bdev *orig, struct bdev *new, const char *oldname,
+ const char *cname, const char *oldpath, const char *lxcpath,
+ int snap, uint64_t newsize, struct lxc_conf *conf)
+{
+ int len, ret;
+
+ if (snap) {
+ ERROR("directories cannot be snapshotted. Try aufs or overlayfs.");
+ return -1;
+ }
+
+ if (!orig->dest || !orig->src)
+ return -1;
+
+ len = strlen(lxcpath) + strlen(cname) + strlen("rootfs") + 3;
+ new->src = malloc(len);
+ if (!new->src)
+ return -1;
+ ret = snprintf(new->src, len, "%s/%s/rootfs", lxcpath, cname);
+ if (ret < 0 || ret >= len)
+ return -1;
+ if ((new->dest = strdup(new->src)) == NULL)
+ return -1;
+
+ return 0;
+}
+
+int dir_create(struct bdev *bdev, const char *dest, const char *n,
+ struct bdev_specs *specs)
+{
+ if (specs && specs->dir)
+ bdev->src = strdup(specs->dir);
+ else
+ bdev->src = strdup(dest);
+ bdev->dest = strdup(dest);
+ if (!bdev->src || !bdev->dest) {
+ ERROR("Out of memory");
+ return -1;
+ }
+
+ if (mkdir_p(bdev->src, 0755) < 0) {
+ ERROR("Error creating %s", bdev->src);
+ return -1;
+ }
+ if (mkdir_p(bdev->dest, 0755) < 0) {
+ ERROR("Error creating %s", bdev->dest);
+ return -1;
+ }
+
+ return 0;
+}
+
+int dir_destroy(struct bdev *orig)
+{
+ if (lxc_rmdir_onedev(orig->src, NULL) < 0)
+ return -1;
+ return 0;
+}
+
+int dir_detect(const char *path)
+{
+ if (strncmp(path, "dir:", 4) == 0)
+ return 1; // take their word for it
+ if (is_dir(path))
+ return 1;
+ return 0;
+}
+
+int dir_mount(struct bdev *bdev)
+{
+ unsigned long mntflags;
+ char *mntdata;
+ int ret;
+
+ if (strcmp(bdev->type, "dir"))
+ return -22;
+ if (!bdev->src || !bdev->dest)
+ return -22;
+
+ if (parse_mntopts(bdev->mntopts, &mntflags, &mntdata) < 0) {
+ free(mntdata);
+ return -22;
+ }
+
+ ret = mount(bdev->src, bdev->dest, "bind", MS_BIND | MS_REC | mntflags, mntdata);
+ free(mntdata);
+ return ret;
+}
+
+int dir_umount(struct bdev *bdev)
+{
+ if (strcmp(bdev->type, "dir"))
+ return -22;
+ if (!bdev->src || !bdev->dest)
+ return -22;
+ return umount(bdev->dest);
+}
--- /dev/null
+/*
+ * lxc: linux Container library
+ *
+ * (C) Copyright IBM Corp. 2007, 2008
+ *
+ * Authors:
+ * Daniel Lezcano <daniel.lezcano at free.fr>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef __LXC_DIR_H
+#define __LXC_DIR_H
+
+#define _GNU_SOURCE
+#include <stdint.h>
+
+/* defined in bdev.h */
+struct bdev;
+
+/* defined in lxccontainer.h */
+struct bdev_specs;
+
+/* defined conf.h */
+struct lxc_conf;
+
+/*
+ * Functions associated with a dir bdev struct.
+ */
+int dir_clonepaths(struct bdev *orig, struct bdev *new, const char *oldname,
+ const char *cname, const char *oldpath, const char *lxcpath,
+ int snap, uint64_t newsize, struct lxc_conf *conf);
+int dir_create(struct bdev *bdev, const char *dest, const char *n,
+ struct bdev_specs *specs);
+int dir_destroy(struct bdev *orig);
+int dir_detect(const char *path);
+int dir_mount(struct bdev *bdev);
+int dir_umount(struct bdev *bdev);
+
+#endif /* __LXC_DIR_H */
projects / thirdparty / lxc.git / commitdiff
