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pstore: Add extra context for writes and erases

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EFI only provides small amounts of individual storage, and conventionally
puts metadata in the storage variable name. Rather than add a metadata
header to the (already limited) variable storage, it's easier for us to
modify pstore to pass all the information we need to construct a unique
variable name to the appropriate functions.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Matthew Garrett
2011-07-21 16:57:53 -04:00
committed by Tony Luck
parent 638c1fd303
commit 56280682ce
4 changed files with 18 additions and 12 deletions
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5
include/linux/pstore.h
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@@ -39,9 +39,10 @@ struct pstore_info {
int (*close)(struct pstore_info *psi);
ssize_t (*read)(u64 *id, enum pstore_type_id *type,
struct timespec *time, struct pstore_info *psi);
u64 (*write)(enum pstore_type_id type, size_t size,
u64 (*write)(enum pstore_type_id type, int part,
size_t size, struct pstore_info *psi);
int (*erase)(enum pstore_type_id type, u64 id,
struct pstore_info *psi);
int (*erase)(u64 id, struct pstore_info *psi);
void *data;
};