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Skip /dev/watchdog when scanning /dev/ for import. 

Do not open /dev/watchdog to stat it because it requires a special
close or the watchdog with be triggered and the system reset.
This commit is contained in:
Brian Behlendorf 2010-05-23 09:38:29 -07:00
parent a48738bd69
commit f36da16d36
1 changed files with 8 additions and 0 deletions
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8
lib/libzfs/libzfs_import.c
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@ -943,6 +943,14 @@ zpool_find_import_impl(libzfs_handle_t *hdl, int argc, char **argv,
(name[1] == 0 || (name[1] == '.' && name[2] == 0))) (name[1] == 0 || (name[1] == '.' && name[2] == 0)))
continue; continue;
/*
* Do not open /dev/watchdog to stat it because
* it requires a special close or the watchdog
* with be triggered and the system reset.
*/
if (strcmp(name, "watchdog") == 0)
continue;
if ((fd = openat64(dfd, name, O_RDONLY)) < 0) if ((fd = openat64(dfd, name, O_RDONLY)) < 0)
continue; continue;