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d_path: get rid of path_with_deleted()

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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>
This commit is contained in:
Al Viro 2021-05-17 21:43:01 -04:00
parent 3acca04326
commit 9024348f53
1 changed files with 5 additions and 18 deletions
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23
fs/d_path.c
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@ -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)