fs-util: add shortcut for chase_symlinks() when it is called like open(O_PATH)
Let's optimize things, and let the kernel chase the paths if none of the features chase_symlinks() offers are actually used.
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36952d1919
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@ -634,6 +634,16 @@ int chase_symlinks(const char *path, const char *original_root, unsigned flags,
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if (noop_root(original_root))
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if (noop_root(original_root))
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original_root = NULL;
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original_root = NULL;
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if (!original_root && !ret && (flags & (CHASE_NONEXISTENT|CHASE_NO_AUTOFS|CHASE_SAFE|CHASE_OPEN)) == CHASE_OPEN) {
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/* Shortcut the CHASE_OPEN case if the caller isn't interested in the actual path and has no root set
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* and doesn't care about any of the other special features we provide either. */
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r = open(path, O_PATH|O_CLOEXEC);
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if (r < 0)
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return -errno;
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return r;
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}
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if (original_root) {
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if (original_root) {
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r = path_make_absolute_cwd(original_root, &root);
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r = path_make_absolute_cwd(original_root, &root);
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if (r < 0)
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if (r < 0)
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