30 lines
741 B
Diff
30 lines
741 B
Diff
--- a/util-linux/mount.c
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+++ b/util-linux/mount.c
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@@ -42,6 +42,10 @@
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#define MS_DIRSYNC 128 // Directory modifications are synchronous
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#endif
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+#ifndef MS_UNION
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+#define MS_UNION 0x100 /* 256: Mount on top of a union */
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+#endif
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+
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#if defined(__dietlibc__)
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// 16.12.2006, Sampo Kellomaki (sampo@iki.fi)
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@@ -152,6 +156,7 @@ static const int32_t mount_options[] = {
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/* "rslave" */ MS_SLAVE|MS_RECURSIVE,
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/* "rprivate" */ MS_SLAVE|MS_RECURSIVE,
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/* "runbindable" */ MS_UNBINDABLE|MS_RECURSIVE,
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+ /* "union" */ MS_UNION,
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)
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// Always understood.
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@@ -206,6 +211,7 @@ static const char mount_option_str[] =
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"rslave\0"
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"rprivate\0"
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"runbindable\0"
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+ "union" "\0"
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)
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// Always understood.
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