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pstore subsystem updates for v4.8

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Merge tag 'pstore-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull pstore subsystem updates from Kees Cook:
 "This expands the supported compressors, fixes some bugs, and finally
  adds DT bindings"

* tag 'pstore-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  pstore/ram: add Device Tree bindings
  efi-pstore: implement efivars_pstore_exit()
  pstore: drop file opened reference count
  pstore: add lzo/lz4 compression support
  pstore: Cleanup pstore_dump()
  pstore: Enable compression on normal path (again)
  ramoops: Only unregister when registered
This commit is contained in:
Linus Torvalds 2016-07-26 18:48:23 -07:00
commit 1b3fc0bef8
10 changed files with 436 additions and 51 deletions
Download patch file Download diff file Expand all files Collapse all files

7
drivers/acpi/apei/erst.c
View file

@ -927,7 +927,8 @@ static int erst_open_pstore(struct pstore_info *psi);
static int erst_close_pstore(struct pstore_info *psi);
static ssize_t erst_reader(u64 *id, enum pstore_type_id *type, int *count,
struct timespec *time, char **buf,
bool *compressed, struct pstore_info *psi);
bool *compressed, ssize_t *ecc_notice_size,
struct pstore_info *psi);
static int erst_writer(enum pstore_type_id type, enum kmsg_dump_reason reason,
u64 *id, unsigned int part, int count, bool compressed,
size_t size, struct pstore_info *psi);
@ -987,7 +988,8 @@ static int erst_close_pstore(struct pstore_info *psi)
static ssize_t erst_reader(u64 *id, enum pstore_type_id *type, int *count,
struct timespec *time, char **buf,
bool *compressed, struct pstore_info *psi)
bool *compressed, ssize_t *ecc_notice_size,
struct pstore_info *psi)
{
int rc;
ssize_t len = 0;
@ -1033,6 +1035,7 @@ skip:
memcpy(*buf, rcd->data, len - sizeof(*rcd));
*id = record_id;
*compressed = false;
*ecc_notice_size = 0;
if (uuid_le_cmp(rcd->sec_hdr.section_type,
CPER_SECTION_TYPE_DMESG_Z) == 0) {
*type = PSTORE_TYPE_DMESG;