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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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8
drivers/firmware/efivars.c
View file

@ -495,7 +495,8 @@ static ssize_t efi_pstore_read(u64 *id, enum pstore_type_id *type,
return 0;
}
static int efi_pstore_write(enum pstore_type_id type, u64 *id,
static int efi_pstore_write(enum pstore_type_id type,
enum kmsg_dump_reason reason, u64 *id,
unsigned int part, size_t size, struct pstore_info *psi)
{
char name[DUMP_NAME_LEN];
@ -565,7 +566,7 @@ static int efi_pstore_write(enum pstore_type_id type, u64 *id,
static int efi_pstore_erase(enum pstore_type_id type, u64 id,
struct pstore_info *psi)
{
efi_pstore_write(type, &id, (unsigned int)id, 0, psi);
efi_pstore_write(type, 0, &id, (unsigned int)id, 0, psi);
return 0;
}
@ -586,7 +587,8 @@ static ssize_t efi_pstore_read(u64 *id, enum pstore_type_id *type,
return -1;
}
static int efi_pstore_write(enum pstore_type_id type, u64 *id,
static int efi_pstore_write(enum pstore_type_id type,
enum kmsg_dump_reason reason, u64 *id,
unsigned int part, size_t size, struct pstore_info *psi)
{
return 0;