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pstore: Add new argument 'compressed' in pstore write callback

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Addition of new argument 'compressed' in the write call back will
help the backend to know if the data passed from pstore is compressed
or not (In case where compression fails.). If compressed, the backend
can add a tag indicating the data is compressed while writing to
persistent store.

Signed-off-by: Aruna Balakrishnaiah <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Signed-off-by: Tony Luck <[email protected]>
This commit is contained in:
Aruna Balakrishnaiah 2013-08-16 13:52:47 -07:00 • committed by Tony Luck
commit b3b515bbd6
6 changed files with 12 additions and 11 deletions
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4
drivers/acpi/apei/erst.c
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@ -937,7 +937,7 @@ static ssize_t erst_reader(u64 *id, enum pstore_type_id *type, int *count,
struct timespec *time, char **buf,
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, size_t hsize,
u64 *id, unsigned int part, int count, bool compressed,
size_t size, struct pstore_info *psi);
static int erst_clearer(enum pstore_type_id type, u64 id, int count,
struct timespec time, struct pstore_info *psi);
@ -1057,7 +1057,7 @@ out:
}
static int erst_writer(enum pstore_type_id type, enum kmsg_dump_reason reason,
u64 *id, unsigned int part, int count, size_t hsize,
u64 *id, unsigned int part, int count, bool compressed,
size_t size, struct pstore_info *psi)
{
struct cper_pstore_record *rcd = (struct cper_pstore_record *)