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authorAruna Balakrishnaiah <aruna@linux.vnet.ibm.com>2013-08-17 00:53:19 +0400
committerTony Luck <tony.luck@intel.com>2013-08-19 21:18:11 +0400
commit9a4e1398208d147a9240731a1f8cfe7d8cc4c553 (patch)
tree61b16758244f641d861839887b19d5a0a144223a /fs/pstore
parentb0aad7a99c1df90c23ff4bac76eea9cf25049e9e (diff)
downloadlinux-9a4e1398208d147a9240731a1f8cfe7d8cc4c553.tar.xz
pstore: Introduce new argument 'compressed' in the read callback
Backends will set the flag 'compressed' after reading the log from persistent store to indicate the data being returned to pstore is compressed or not. Signed-off-by: Aruna Balakrishnaiah <aruna@linux.vnet.ibm.com> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'fs/pstore')
-rw-r--r--fs/pstore/platform.c4
-rw-r--r--fs/pstore/ram.c3
2 files changed, 5 insertions, 2 deletions
diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index 56218cb35267..6418eb77d64b 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -428,6 +428,7 @@ void pstore_get_records(int quiet)
enum pstore_type_id type;
struct timespec time;
int failed = 0, rc;
+ bool compressed;
if (!psi)
return;
@@ -436,7 +437,8 @@ void pstore_get_records(int quiet)
if (psi->open && psi->open(psi))
goto out;
- while ((size = psi->read(&id, &type, &count, &time, &buf, psi)) > 0) {
+ while ((size = psi->read(&id, &type, &count, &time, &buf, &compressed,
+ psi)) > 0) {
rc = pstore_mkfile(type, psi->name, id, count, buf,
(size_t)size, time, psi);
kfree(buf);
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index fe7188f742b7..292722327811 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -133,7 +133,8 @@ ramoops_get_next_prz(struct persistent_ram_zone *przs[], uint *c, uint max,
static ssize_t ramoops_pstore_read(u64 *id, enum pstore_type_id *type,
int *count, struct timespec *time,
- char **buf, struct pstore_info *psi)
+ char **buf, bool *compressed,
+ struct pstore_info *psi)
{
ssize_t size;
ssize_t ecc_notice_size;