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mount: Split reading images and populating the ns

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We will need images at hands while we do pivot_root (see further patches),
so prepare the images reading routine.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Pavel Emelyanov 2013-12-25 16:53:27 +04:00
parent f0e0ee7a5c
commit cb4e125bd0
1 changed files with 20 additions and 9 deletions
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29
mount.c
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@ -1209,7 +1209,7 @@ static void free_mounts(void)
}
}
static int populate_mnt_ns(int ns_pid)
static int read_mnt_ns_img(int ns_pid)
{
MntEntry *me = NULL;
int img, ret;
@ -1277,15 +1277,8 @@ static int populate_mnt_ns(int ns_pid)
mntinfo_tree = NULL;
mntinfo = pms;
pms = mnt_build_tree(pms);
if (!pms)
return -1;
return 0;
if (validate_mounts(pms))
return -1;
mntinfo_tree = pms;
return mnt_tree_for_each(pms, do_mount_one);
err:
while (pms) {
struct mount_info *pm = pms;
@ -1296,6 +1289,24 @@ err:
return -1;
}
static int populate_mnt_ns(int ns_pid)
{
struct mount_info *pms;
if (read_mnt_ns_img(ns_pid))
return -1;
pms = mnt_build_tree(mntinfo);
if (!pms)
return -1;
if (validate_mounts(pms))
return -1;
mntinfo_tree = pms;
return mnt_tree_for_each(pms, do_mount_one);
}
int prepare_mnt_ns(int ns_pid)
{
int ret;