6 files changed, 11 insertions, 7 deletions

diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c
index dbe5dadb5fcc..6c4dc52ac0b5 100644
--- a/arch/powerpc/platforms/pseries/nvram.c
+++ b/arch/powerpc/platforms/pseries/nvram.c
@@ -598,7 +598,7 @@ static int nvram_pstore_write(enum pstore_type_id type,
  */
 static ssize_t nvram_pstore_read(u64 *id, enum pstore_type_id *type,
                                 int *count, struct timespec *time, char **buf,
-                                struct pstore_info *psi)
+                                bool *compressed, struct pstore_info *psi)
 {
         struct oops_log_info *oops_hdr;
         unsigned int err_type, id_no, size = 0;
diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index bcdf8cefcb9e..b412e9137e36 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -935,7 +935,7 @@ 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, int *count,
                            struct timespec *time, char **buf,
-                           struct pstore_info *psi);
+                           bool *compressed, 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, bool compressed,
                        size_t size, struct pstore_info *psi);
@@ -991,7 +991,7 @@ static int erst_close_pstore(struct pstore_info *psi)
 
 static ssize_t erst_reader(u64 *id, enum pstore_type_id *type, int *count,
                            struct timespec *time, char **buf,
-                           struct pstore_info *psi)
+                           bool *compressed, struct pstore_info *psi)
 {
         int rc;
         ssize_t len = 0;
diff --git a/drivers/firmware/efi/efi-pstore.c b/drivers/firmware/efi/efi-pstore.c
index fab6892f7053..9a5425f3f885 100644
--- a/drivers/firmware/efi/efi-pstore.c
+++ b/drivers/firmware/efi/efi-pstore.c
@@ -87,7 +87,8 @@ static int efi_pstore_read_func(struct efivar_entry *entry, void *data)
 
 static ssize_t efi_pstore_read(u64 *id, enum pstore_type_id *type,
                                int *count, struct timespec *timespec,
-                               char **buf, struct pstore_info *psi)
+                               char **buf, bool *compressed,
+                               struct pstore_info *psi)
 {
         struct pstore_read_data data;
 
diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index 56218cb35267..6418eb77d64b 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -428,6 +428,7 @@ void pstore_get_records(int quiet)
         enum pstore_type_id     type;
         struct timespec         time;
         int                     failed = 0, rc;
+        bool                    compressed;
 
         if (!psi)
                 return;
@@ -436,7 +437,8 @@ void pstore_get_records(int quiet)
         if (psi->open && psi->open(psi))
                 goto out;
 
-        while ((size = psi->read(&id, &type, &count, &time, &buf, psi)) > 0) {
+        while ((size = psi->read(&id, &type, &count, &time, &buf, &compressed,
+                                psi)) > 0) {
                 rc = pstore_mkfile(type, psi->name, id, count, buf,
                                   (size_t)size, time, psi);
                 kfree(buf);
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index fe7188f742b7..292722327811 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -133,7 +133,8 @@ ramoops_get_next_prz(struct persistent_ram_zone *przs[], uint *c, uint max,
 
 static ssize_t ramoops_pstore_read(u64 *id, enum pstore_type_id *type,
                                    int *count, struct timespec *time,
-                                   char **buf, struct pstore_info *psi)
+                                   char **buf, bool *compressed,
+                                   struct pstore_info *psi)
 {
         ssize_t size;
         ssize_t ecc_notice_size;
diff --git a/include/linux/pstore.h b/include/linux/pstore.h
index abfca4f59422..abd437d0a8a7 100644
--- a/include/linux/pstore.h
+++ b/include/linux/pstore.h
@@ -55,7 +55,7 @@ struct pstore_info {
         int             (*close)(struct pstore_info *psi);
         ssize_t         (*read)(u64 *id, enum pstore_type_id *type,
                         int *count, struct timespec *time, char **buf,
-                        struct pstore_info *psi);
+                        bool *compressed, struct pstore_info *psi);
         int             (*write)(enum pstore_type_id type,
                         enum kmsg_dump_reason reason, u64 *id,
                         unsigned int part, int count, bool compressed,