[PATCH 04/14] d_path: get rid of path_with_deleted()

Al Viro
2021-05-19T00:51:14Z

expand in the sole caller; transform the initial prepends similar to
what we'd done in dentry_path() (prepend_path() will fail the right
way if we call it with negative buflen, same as __dentry_path() does).

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/d_path.c | 23 +++++------------------
1 file changed, 5 insertions(+), 18 deletions(-)

diff --git a/fs/d_path.c b/fs/d_path.c
index b3324ae7cfe2..7f3fac544bbb 100644
--- a/fs/d_path.c
+++ b/fs/d_path.c
@@ -211,23 +211,6 @@ char *d_absolute_path(const struct path *path,
return res;
}

-/*
- * same as __d_path but appends "(deleted)" for unlinked files.
- */
-static int path_with_deleted(const struct path *path,
- const struct path *root,
- char **buf, int *buflen)
-{
- prepend(buf, buflen, "", 1);
- if (d_unlinked(path->dentry)) {
- int error = prepend(buf, buflen, " (deleted)", 10);
- if (error)
- return error;
- }
-
- return prepend_path(path, root, buf, buflen);
-}
-
static int prepend_unreachable(char **buffer, int *buflen)
{
return prepend(buffer, buflen, "(unreachable)", 13);
@@ -282,7 +265,11 @@ char *d_path(const struct path *path, char *buf, int buflen)

rcu_read_lock();
get_fs_root_rcu(current->fs, &root);
- error = path_with_deleted(path, &root, &res, &buflen);
+ if (unlikely(d_unlinked(path->dentry)))
+ prepend(&res, &buflen, " (deleted)", 11);
+ else
+ prepend(&res, &buflen, "", 1);
+ error = prepend_path(path, &root, &res, &buflen);
rcu_read_unlock();

if (error < 0)
--
2.11.0