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main: skip RENAME_WHITEOUT if we cannot use mknod

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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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Giuseppe Scrivano 2019-07-23 11:04:54 +02:00
parent a4ebbc8361
commit c99226b70b
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1 changed files with 2 additions and 2 deletions
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main.c
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@ -766,8 +766,8 @@ hide_node (struct ovl_data *lo, struct ovl_node *node, bool unlink_src)
if (unlink_src) if (unlink_src)
{ {
/* If the atomic rename+mknod failed, then fallback into doing it in two steps. */ /* If the atomic rename+mknod failed, then fallback into doing it in two steps. */
if (syscall (SYS_renameat2, node_dirfd (node), node->path, lo->workdir_fd, if (!can_mknod || syscall (SYS_renameat2, node_dirfd (node), node->path, lo->workdir_fd,
newpath, RENAME_WHITEOUT) < 0) newpath, RENAME_WHITEOUT) < 0)
{ {
if (node->parent) if (node->parent)
{ {