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One pstore patch 

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Merge tag 'pstore-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull one pstore patch from Tony Luck

* tag 'pstore-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  pstore: Introduce get_reason_str() to pstore
This commit is contained in:
Linus Torvalds 2012-03-23 09:24:07 -07:00
parent 49d99a2f9c 381b872cf7
commit 6e55f8ed81
1 changed files with 22 additions and 8 deletions
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30
fs/pstore/platform.c
View File

@ -68,9 +68,25 @@ void pstore_set_kmsg_bytes(int bytes)
/* Tag each group of saved records with a sequence number */ /* Tag each group of saved records with a sequence number */
static int oopscount; static int oopscount;
static char *reason_str[] = { static const char *get_reason_str(enum kmsg_dump_reason reason)
"Oops", "Panic", "Kexec", "Restart", "Halt", "Poweroff", "Emergency" {
}; switch (reason) {
case KMSG_DUMP_PANIC:
return "Panic";
case KMSG_DUMP_OOPS:
return "Oops";
case KMSG_DUMP_EMERG:
return "Emergency";
case KMSG_DUMP_RESTART:
return "Restart";
case KMSG_DUMP_HALT:
return "Halt";
case KMSG_DUMP_POWEROFF:
return "Poweroff";
default:
return "Unknown";
}
}
/* /*
* callback from kmsg_dump. (s2,l2) has the most recently * callback from kmsg_dump. (s2,l2) has the most recently
@ -85,17 +101,15 @@ static void pstore_dump(struct kmsg_dumper *dumper,
unsigned long s1_start, s2_start; unsigned long s1_start, s2_start;
unsigned long l1_cpy, l2_cpy; unsigned long l1_cpy, l2_cpy;
unsigned long size, total = 0; unsigned long size, total = 0;
char *dst, *why; char *dst;
const char *why;
u64 id; u64 id;
int hsize, ret; int hsize, ret;
unsigned int part = 1; unsigned int part = 1;
unsigned long flags = 0; unsigned long flags = 0;
int is_locked = 0; int is_locked = 0;
if (reason < ARRAY_SIZE(reason_str)) why = get_reason_str(reason);
why = reason_str[reason];
else
why = "Unknown";
if (in_nmi()) { if (in_nmi()) {
is_locked = spin_trylock(&psinfo->buf_lock); is_locked = spin_trylock(&psinfo->buf_lock);