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unix: Rename unlink_stale to unlink_sk

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We gonna use it to detele not only stale
sockets but ghost sockets as well.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
This commit is contained in:
Cyrill Gorcunov 2018-06-09 16:06:52 +03:00 • committed by Andrei Vagin
parent 487a96e805
commit 6cb4d8991b
1 changed files with 9 additions and 5 deletions
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14
criu/sk-unix.c
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@ -1758,11 +1758,11 @@ static struct file_desc_ops unix_desc_ops = {
* Make FS clean from sockets we're about to
* restore. See for how we bind them for details
*/
static void unlink_stale(struct unix_sk_info *ui)
static void unlink_sk(struct unix_sk_info *ui)
{
int ret, cwd_fd = -1, root_fd = -1, ns_fd = -1;
if (ui->name[0] == '\0' || (ui->ue->uflags & USK_EXTERN))
if (!ui->name || ui->name[0] == '\0' || (ui->ue->uflags & USK_EXTERN))
return;
if (prep_unix_sk_cwd(ui, &cwd_fd, &root_fd, NULL))
@ -1770,10 +1770,15 @@ static void unlink_stale(struct unix_sk_info *ui)
ret = unlinkat(AT_FDCWD, ui->name, 0) ? -1 : 0;
if (ret < 0 && errno != ENOENT) {
pr_warn("Can't unlink stale socket %#x peer %#x (name %s dir %s)\n",
pr_warn("Can't unlink socket %#x peer %#x (name %s dir %s)\n",
ui->ue->ino, ui->ue->peer,
ui->name ? (ui->name[0] ? ui->name : &ui->name[1]) : "-",
ui->name_dir ? ui->name_dir : "-");
} else if (ret == 0) {
pr_debug("Unlinked socket %#x peer %#x (name %s dir %s)\n",
ui->ue->ino, ui->ue->peer,
ui->name ? (ui->name[0] ? ui->name : &ui->name[1]) : "-",
ui->name_dir ? ui->name_dir : "-");
}
revert_unix_sk_cwd(ui, &cwd_fd, &root_fd, &ns_fd);
}
@ -1788,8 +1793,7 @@ static int post_prepare_unix_sk(struct pprep_head *ph)
ui = container_of(ph, struct unix_sk_info, peer_resolve);
if (ui->ue->peer && fixup_unix_peer(ui))
return -1;
if (ui->name)
unlink_stale(ui);
unlink_sk(ui);
return 0;
}