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pstore: pass reason to backend write callback

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This allows a backend to filter on the dmesg reason as well as the pstore
reason. When ramoops is switched to pstore, this is needed since it has
no interest in storing non-crash dmesg details.

Drop pstore_write() as it has no users, and handling the "reason" here
has no obviously correct value.

Signed-off-by: Kees Cook <[email protected]>
Signed-off-by: Tony Luck <[email protected]>
This commit is contained in:
Kees Cook 2011-11-17 13:13:29 -08:00 • committed by Tony Luck
commit 3d6d8d20ec
4 changed files with 15 additions and 41 deletions
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6
drivers/acpi/apei/erst.c
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@ -934,7 +934,8 @@ static int erst_close_pstore(struct pstore_info *psi);
static ssize_t erst_reader(u64 *id, enum pstore_type_id *type,
struct timespec *time, char **buf,
struct pstore_info *psi);
static int erst_writer(enum pstore_type_id type, u64 *id, unsigned int part,
static int erst_writer(enum pstore_type_id type, enum kmsg_dump_reason reason,
u64 *id, unsigned int part,
size_t size, struct pstore_info *psi);
static int erst_clearer(enum pstore_type_id type, u64 id,
struct pstore_info *psi);
@ -1053,7 +1054,8 @@ out:
return (rc < 0) ? rc : (len - sizeof(*rcd));
}
static int erst_writer(enum pstore_type_id type, u64 *id, unsigned int part,
static int erst_writer(enum pstore_type_id type, enum kmsg_dump_reason reason,
u64 *id, unsigned int part,
size_t size, struct pstore_info *psi)
{
struct cper_pstore_record *rcd = (struct cper_pstore_record *)