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authorMatthew Garrett <mjg@redhat.com>2011-07-21 16:57:52 -0400
committerTony Luck <tony.luck@intel.com>2011-07-22 16:14:06 -0700
commit638c1fd3033c76778e6d9975ad8a4a9cdd5b96d9 (patch)
treede8b772157162b8a7a0901f4df5fb25faef6b21d /drivers/acpi
parent02f8c6aee8df3cdc935e9bdd4f2d020306035dbe (diff)
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pstore: Extend API for more flexibility in new backends
Some pstore implementations may not have a static context, so extend the API to pass the pstore_info struct to all calls and allow for a context pointer. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/apei/erst.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index e6cef8e1b534..de3ae92adaa5 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -932,8 +932,10 @@ static int erst_check_table(struct acpi_table_erst *erst_tab)
static int erst_open_pstore(struct pstore_info *psi);
static int erst_close_pstore(struct pstore_info *psi);
static ssize_t erst_reader(u64 *id, enum pstore_type_id *type,
- struct timespec *time);
-static u64 erst_writer(enum pstore_type_id type, size_t size);
+ struct timespec *time, struct pstore_info *psi);
+static u64 erst_writer(enum pstore_type_id type, size_t size,
+ struct pstore_info *psi);
+static int erst_clearer(u64 id, struct pstore_info *psi);
static struct pstore_info erst_info = {
.owner = THIS_MODULE,
@@ -942,7 +944,7 @@ static struct pstore_info erst_info = {
.close = erst_close_pstore,
.read = erst_reader,
.write = erst_writer,
- .erase = erst_clear
+ .erase = erst_clearer
};
#define CPER_CREATOR_PSTORE \
@@ -983,7 +985,7 @@ static int erst_close_pstore(struct pstore_info *psi)
}
static ssize_t erst_reader(u64 *id, enum pstore_type_id *type,
- struct timespec *time)
+ struct timespec *time, struct pstore_info *psi)
{
int rc;
ssize_t len = 0;
@@ -1037,7 +1039,8 @@ out:
return (rc < 0) ? rc : (len - sizeof(*rcd));
}
-static u64 erst_writer(enum pstore_type_id type, size_t size)
+static u64 erst_writer(enum pstore_type_id type, size_t size,
+ struct pstore_info *psi)
{
struct cper_pstore_record *rcd = (struct cper_pstore_record *)
(erst_info.buf - sizeof(*rcd));
@@ -1080,6 +1083,11 @@ static u64 erst_writer(enum pstore_type_id type, size_t size)
return rcd->hdr.record_id;
}
+static int erst_clearer(u64 id, struct pstore_info *psi)
+{
+ return erst_clear(id);
+}
+
static int __init erst_init(void)
{
int rc = 0;