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mount: pick out a function to set ROOT_FD_OFF

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Signed-off-by: Andrew Vagin <avagin@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Andrew Vagin
2015-12-04 00:13:00 +03:00
committed by Pavel Emelyanov
parent decf4f525a
commit a9be7621b7
1 changed files with 14 additions and 6 deletions
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20
mount.c
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@@ -3214,9 +3214,21 @@ err:
return -1; return -1;
} }
static int mntns_root_pid = -1;
static int mntns_set_root_fd(pid_t pid, int fd)
{
int ret;
ret = install_service_fd(ROOT_FD_OFF, fd);
if (ret >= 0)
mntns_root_pid = pid;
close(fd);
return ret;
}
int __mntns_get_root_fd(pid_t pid) int __mntns_get_root_fd(pid_t pid)
{ {
static int mntns_root_pid = -1;
int fd, pfd; int fd, pfd;
int ret; int ret;
@@ -3272,11 +3284,7 @@ int __mntns_get_root_fd(pid_t pid)
} }
set_root: set_root:
ret = install_service_fd(ROOT_FD_OFF, fd); return mntns_set_root_fd(pid, fd);
if (ret >= 0)
mntns_root_pid = pid;
close(fd);
return ret;
} }
int mntns_get_root_fd(struct ns_id *mntns) { int mntns_get_root_fd(struct ns_id *mntns) {