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OpenCloudOS-Kernel
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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
This commit is contained in:
Linus Torvalds 2011-03-24 10:05:23 -07:00
parent 9598572536 7415982732
commit 6d1e9a42e7
3 changed files with 21 additions and 4 deletions
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6
arch/ia64/include/asm/unistd.h
View File

@ -315,11 +315,15 @@
#define __NR_fanotify_init 1323
#define __NR_fanotify_mark 1324
#define __NR_prlimit64 1325
#define __NR_name_to_handle_at 1326
#define __NR_open_by_handle_at 1327
#define __NR_clock_adjtime 1328
#define __NR_syncfs 1329
#ifdef __KERNEL__
#define NR_syscalls 302 /* length of syscall table */
#define NR_syscalls 306 /* length of syscall table */
/*
* The following defines stop scripts/checksyscalls.sh from complaining about

4
arch/ia64/kernel/entry.S
View File

@ -1771,6 +1771,10 @@ sys_call_table:
data8 sys_fanotify_init
data8 sys_fanotify_mark
data8 sys_prlimit64 // 1325
data8 sys_name_to_handle_at
data8 sys_open_by_handle_at
data8 sys_clock_adjtime
data8 sys_syncfs
.org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls
#endif /* __IA64_ASM_PARAVIRTUALIZED_NATIVE */

15
fs/pstore/platform.c
View File

@ -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);