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>

1 files changed, 5 insertions, 5 deletions

diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c
index 977ed2723845..b19884a1ba77 100644
--- a/fs/pstore/inode.c
+++ b/fs/pstore/inode.c
@@ -40,7 +40,7 @@
 
 struct pstore_private {
         u64     id;
-        int     (*erase)(u64);
+        struct pstore_info *psi;
         ssize_t size;
         char    data[];
 };
@@ -73,7 +73,7 @@ static int pstore_unlink(struct inode *dir, struct dentry *dentry)
 {
         struct pstore_private *p = dentry->d_inode->i_private;
 
-        p->erase(p->id);
+        p->psi->erase(p->id, p->psi);
 
         return simple_unlink(dir, dentry);
 }
@@ -175,8 +175,8 @@ int pstore_is_mounted(void)
  * Set the mtime & ctime to the date that this record was originally stored.
  */
 int pstore_mkfile(enum pstore_type_id type, char *psname, u64 id,
-                              char *data, size_t size,
-                              struct timespec time, int (*erase)(u64))
+                  char *data, size_t size, struct timespec time,
+                  struct pstore_info *psi)
 {
         struct dentry           *root = pstore_sb->s_root;
         struct dentry           *dentry;
@@ -193,7 +193,7 @@ int pstore_mkfile(enum pstore_type_id type, char *psname, u64 id,
         if (!private)
                 goto fail_alloc;
         private->id = id;
-        private->erase = erase;
+        private->psi = psi;
 
         switch (type) {
         case PSTORE_TYPE_DMESG: