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41 lines
1.4 KiB
Diff
41 lines
1.4 KiB
Diff
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commit b25462c1bee1a01c6aae3c215e040bfb2f1c2fb7
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Author: Doug Ledford <dledford@redhat.com>
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Date: Tue Mar 16 23:00:11 2010 -0400
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Create /dev/md in mapfile open like we do in mdopen if our ALT_RUN is
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set to be /dev/md. This keeps udev happy as it won't have to special
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case our /dev/md directory needs.
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Signed-off-by: Doug Ledford <dledford@redhat.com>
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diff --git a/mapfile.c b/mapfile.c
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index 366ebe3..eed17c8 100644
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--- a/mapfile.c
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+++ b/mapfile.c
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@@ -29,7 +29,7 @@
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*/
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/* /var/run/mdadm.map is used to track arrays being created in --incremental
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- * more. It particularly allows lookup from UUID to array device, but
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+ * mode. It particularly allows lookup from UUID to array device, but
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* also allows the array device name to be easily found.
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*
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* The map file is line based with space separated fields. The fields are:
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@@ -64,6 +64,16 @@ char *mapsmode[3] = { "r", "w", "w"};
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FILE *open_map(int modenum, int *choice)
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{
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int i;
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+ struct stat sbuf;
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+
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+ /* Special case...if ALT_RUN is selected to be /dev/md, then
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+ * because we would normally create /dev/md ourselves in order to
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+ * stuff array symlinks in there as needed, udev and friends
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+ * expect us to create our own tree. So, do so.
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+ */
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+ if (strcmp(ALT_RUN, "/dev/md") == 0 && stat(ALT_RUN, &sbuf) != 0)
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+ mkdir(ALT_RUN, 0755);
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+
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for (i = 0 ; i < 3 ; i++) {
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int fd = open(mapname[i][modenum], mapmode[modenum], 0600);
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if (fd >= 0) {
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