diff options
| -rw-r--r-- | fs/dcache.c | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/fs/dcache.c b/fs/dcache.c index d09d93819b4d..7fccb00f498d 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -1979,8 +1979,7 @@ global_root: * @buffer: buffer to return value in * @buflen: buffer length * - * Convert a dentry into an ASCII path name. If the entry has been deleted - * the string " (deleted)" is appended. Note that this is ambiguous. + * Convert a dentry into an ASCII path name. * * Returns a pointer into the buffer or an error code if the * path was too long. @@ -1997,12 +1996,6 @@ char *__d_path(const struct path *path, struct path *root, int error; prepend(&res, &buflen, "\0", 1); - if (d_unlinked(path->dentry)) { - error = prepend(&res, &buflen, " (deleted)", 10); - if (error) - return ERR_PTR(error); - } - error = prepend_path(path, root, &res, &buflen); if (error) return ERR_PTR(error); @@ -2010,6 +2003,22 @@ char *__d_path(const struct path *path, struct path *root, return res; } +/* + * same as __d_path but appends "(deleted)" for unlinked files. + */ +static int path_with_deleted(const struct path *path, struct path *root, + char **buf, int *buflen) +{ + prepend(buf, buflen, "\0", 1); + if (d_unlinked(path->dentry)) { + int error = prepend(buf, buflen, " (deleted)", 10); + if (error) + return error; + } + + return prepend_path(path, root, buf, buflen); +} + /** * d_path - return the path of a dentry * @path: path to report @@ -2028,9 +2037,10 @@ char *__d_path(const struct path *path, struct path *root, */ char *d_path(const struct path *path, char *buf, int buflen) { - char *res; + char *res = buf + buflen; struct path root; struct path tmp; + int error; /* * We have various synthetic filesystems that never get mounted. On @@ -2045,7 +2055,9 @@ char *d_path(const struct path *path, char *buf, int buflen) get_fs_root(current->fs, &root); spin_lock(&dcache_lock); tmp = root; - res = __d_path(path, &tmp, buf, buflen); + error = path_with_deleted(path, &tmp, &res, &buflen); + if (error) + res = ERR_PTR(error); spin_unlock(&dcache_lock); path_put(&root); return res; |