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pstore: Extend API for more flexibility in new backends

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Some pstore implementations may not have a static context, so extend the
API to pass the pstore_info struct to all calls and allow for a context
pointer.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Matthew Garrett
2011-07-21 16:57:52 -04:00
committed by Tony Luck
parent 02f8c6aee8
commit 638c1fd303
5 changed files with 31 additions and 20 deletions
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13
fs/pstore/platform.c
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@ -94,11 +94,12 @@ static void pstore_dump(struct kmsg_dumper *dumper,
memcpy(dst, s1 + s1_start, l1_cpy);
memcpy(dst + l1_cpy, s2 + s2_start, l2_cpy);
id = psinfo->write(PSTORE_TYPE_DMESG, hsize + l1_cpy + l2_cpy);
id = psinfo->write(PSTORE_TYPE_DMESG, hsize + l1_cpy + l2_cpy,
psinfo);
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);
CURRENT_TIME, psinfo);
l1 -= l1_cpy;
l2 -= l2_cpy;
total += l1_cpy + l2_cpy;
@ -166,9 +167,9 @@ void pstore_get_records(void)
if (rc)
goto out;
while ((size = psi->read(&id, &type, &time)) > 0) {
while ((size = psi->read(&id, &type, &time, psi)) > 0) {
if (pstore_mkfile(type, psi->name, id, psi->buf, (size_t)size,
time, psi->erase))
time, psi))
failed++;
}
psi->close(psi);
@ -196,10 +197,10 @@ int pstore_write(enum pstore_type_id type, char *buf, size_t size)
mutex_lock(&psinfo->buf_mutex);
memcpy(psinfo->buf, buf, size);
id = psinfo->write(type, size);
id = psinfo->write(type, size, psinfo);
if (pstore_is_mounted())
pstore_mkfile(PSTORE_TYPE_DMESG, psinfo->name, id, psinfo->buf,
size, CURRENT_TIME, psinfo->erase);
size, CURRENT_TIME, psinfo);
mutex_unlock(&psinfo->buf_mutex);
return 0;