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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-24 10:05:23 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-24 10:05:23 -0700
commit6d1e9a42e7176bbce9348274784b2e5f69223936 (patch)
tree628404d7cffd7ac8ab6629cf5052e21d50e86633 /fs
parent95985725367e55642755ca6986d0c930cd3738e2 (diff)
parent7415982732bcb30100582cff8d2aca12a55123b4 (diff)
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: pstore: cleanups to pstore_dump() [IA64] New syscalls for 2.6.39
Diffstat (limited to 'fs')
-rw-r--r--fs/pstore/platform.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index ce9ad84d5dd9..f835a25625ff 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -48,6 +48,10 @@ void pstore_set_kmsg_bytes(int bytes)
/* Tag each group of saved records with a sequence number */
static int oopscount;
+static char *reason_str[] = {
+ "Oops", "Panic", "Kexec", "Restart", "Halt", "Poweroff", "Emergency"
+};
+
/*
* callback from kmsg_dump. (s2,l2) has the most recently
* written bytes, older bytes are in (s1,l1). Save as much
@@ -61,15 +65,20 @@ static void pstore_dump(struct kmsg_dumper *dumper,
unsigned long s1_start, s2_start;
unsigned long l1_cpy, l2_cpy;
unsigned long size, total = 0;
- char *dst;
+ char *dst, *why;
u64 id;
int hsize, part = 1;
+ if (reason < ARRAY_SIZE(reason_str))
+ why = reason_str[reason];
+ else
+ why = "Unknown";
+
mutex_lock(&psinfo->buf_mutex);
oopscount++;
while (total < kmsg_bytes) {
dst = psinfo->buf;
- hsize = sprintf(dst, "Oops#%d Part%d\n", oopscount, part++);
+ hsize = sprintf(dst, "%s#%d Part%d\n", why, oopscount, part++);
size = psinfo->bufsize - hsize;
dst += hsize;
@@ -86,7 +95,7 @@ static void pstore_dump(struct kmsg_dumper *dumper,
memcpy(dst + l1_cpy, s2 + s2_start, l2_cpy);
id = psinfo->write(PSTORE_TYPE_DMESG, hsize + l1_cpy + l2_cpy);
- if (pstore_is_mounted())
+ if (reason == KMSG_DUMP_OOPS && pstore_is_mounted())
pstore_mkfile(PSTORE_TYPE_DMESG, psinfo->name, id,
psinfo->buf, hsize + l1_cpy + l2_cpy,
CURRENT_TIME, psinfo->erase);