dm snapshot: rename struct exception_store

Rename struct exception_store to dm_exception_store.

Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

3 files changed, 25 insertions, 24 deletions

diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c
index ef152e600cb6..c5c9a2652315 100644
--- a/drivers/md/dm-exception-store.c
+++ b/drivers/md/dm-exception-store.c
@@ -462,19 +462,19 @@ static int read_exceptions(struct pstore *ps)
         return 0;
 }
 
-static struct pstore *get_info(struct exception_store *store)
+static struct pstore *get_info(struct dm_exception_store *store)
 {
         return (struct pstore *) store->context;
 }
 
-static void persistent_fraction_full(struct exception_store *store,
+static void persistent_fraction_full(struct dm_exception_store *store,
                                      sector_t *numerator, sector_t *denominator)
 {
         *numerator = get_info(store)->next_free * store->snap->chunk_size;
         *denominator = get_dev_size(store->snap->cow->bdev);
 }
 
-static void persistent_destroy(struct exception_store *store)
+static void persistent_destroy(struct dm_exception_store *store)
 {
         struct pstore *ps = get_info(store);
 
@@ -485,7 +485,7 @@ static void persistent_destroy(struct exception_store *store)
         kfree(ps);
 }
 
-static int persistent_read_metadata(struct exception_store *store)
+static int persistent_read_metadata(struct dm_exception_store *store)
 {
         int r, uninitialized_var(new_snapshot);
         struct pstore *ps = get_info(store);
@@ -551,7 +551,7 @@ static int persistent_read_metadata(struct exception_store *store)
         return 0;
 }
 
-static int persistent_prepare(struct exception_store *store,
+static int persistent_prepare(struct dm_exception_store *store,
                               struct dm_snap_exception *e)
 {
         struct pstore *ps = get_info(store);
@@ -578,7 +578,7 @@ static int persistent_prepare(struct exception_store *store,
         return 0;
 }
 
-static void persistent_commit(struct exception_store *store,
+static void persistent_commit(struct dm_exception_store *store,
                               struct dm_snap_exception *e,
                               void (*callback) (void *, int success),
                               void *callback_context)
@@ -640,7 +640,7 @@ static void persistent_commit(struct exception_store *store,
         ps->callback_count = 0;
 }
 
-static void persistent_drop(struct exception_store *store)
+static void persistent_drop(struct dm_exception_store *store)
 {
         struct pstore *ps = get_info(store);
 
@@ -649,7 +649,7 @@ static void persistent_drop(struct exception_store *store)
                 DMWARN("write header failed");
 }
 
-int dm_create_persistent(struct exception_store *store)
+int dm_create_persistent(struct dm_exception_store *store)
 {
         struct pstore *ps;
 
@@ -694,17 +694,17 @@ struct transient_c {
         sector_t next_free;
 };
 
-static void transient_destroy(struct exception_store *store)
+static void transient_destroy(struct dm_exception_store *store)
 {
         kfree(store->context);
 }
 
-static int transient_read_metadata(struct exception_store *store)
+static int transient_read_metadata(struct dm_exception_store *store)
 {
         return 0;
 }
 
-static int transient_prepare(struct exception_store *store,
+static int transient_prepare(struct dm_exception_store *store,
                              struct dm_snap_exception *e)
 {
         struct transient_c *tc = (struct transient_c *) store->context;
@@ -719,7 +719,7 @@ static int transient_prepare(struct exception_store *store,
         return 0;
 }
 
-static void transient_commit(struct exception_store *store,
+static void transient_commit(struct dm_exception_store *store,
                              struct dm_snap_exception *e,
                              void (*callback) (void *, int success),
                              void *callback_context)
@@ -728,14 +728,14 @@ static void transient_commit(struct exception_store *store,
         callback(callback_context, 1);
 }
 
-static void transient_fraction_full(struct exception_store *store,
+static void transient_fraction_full(struct dm_exception_store *store,
                                     sector_t *numerator, sector_t *denominator)
 {
         *numerator = ((struct transient_c *) store->context)->next_free;
         *denominator = get_dev_size(store->snap->cow->bdev);
 }
 
-int dm_create_transient(struct exception_store *store)
+int dm_create_transient(struct dm_exception_store *store)
 {
         struct transient_c *tc;
 
diff --git a/drivers/md/dm-exception-store.h b/drivers/md/dm-exception-store.h
index d75f775562e5..25677df8dd59 100644
--- a/drivers/md/dm-exception-store.h
+++ b/drivers/md/dm-exception-store.h
@@ -36,28 +36,29 @@ struct dm_snap_exception {
  * Abstraction to handle the meta/layout of exception stores (the
  * COW device).
  */
-struct exception_store {
+struct dm_exception_store {
+
         /*
          * Destroys this object when you've finished with it.
          */
-        void (*destroy) (struct exception_store *store);
+        void (*destroy) (struct dm_exception_store *store);
 
         /*
          * The target shouldn't read the COW device until this is
          * called.
          */
-        int (*read_metadata) (struct exception_store *store);
+        int (*read_metadata) (struct dm_exception_store *store);
 
         /*
          * Find somewhere to store the next exception.
          */
-        int (*prepare_exception) (struct exception_store *store,
+        int (*prepare_exception) (struct dm_exception_store *store,
                                   struct dm_snap_exception *e);
 
         /*
          * Update the metadata with this exception.
          */
-        void (*commit_exception) (struct exception_store *store,
+        void (*commit_exception) (struct dm_exception_store *store,
                                   struct dm_snap_exception *e,
                                   void (*callback) (void *, int success),
                                   void *callback_context);
@@ -65,12 +66,12 @@ struct exception_store {
         /*
          * The snapshot is invalid, note this in the metadata.
          */
-        void (*drop_snapshot) (struct exception_store *store);
+        void (*drop_snapshot) (struct dm_exception_store *store);
 
         /*
          * Return how full the snapshot is.
          */
-        void (*fraction_full) (struct exception_store *store,
+        void (*fraction_full) (struct dm_exception_store *store,
                                sector_t *numerator,
                                sector_t *denominator);
 
@@ -124,8 +125,8 @@ static inline void dm_consecutive_chunk_count_inc(struct dm_snap_exception *e)
 /*
  * Two exception store implementations.
  */
-int dm_create_persistent(struct exception_store *store);
+int dm_create_persistent(struct dm_exception_store *store);
 
-int dm_create_transient(struct exception_store *store);
+int dm_create_transient(struct dm_exception_store *store);
 
 #endif /* _LINUX_DM_EXCEPTION_STORE */
diff --git a/drivers/md/dm-snap.h b/drivers/md/dm-snap.h
index 6e4beaf89f6c..928123657024 100644
--- a/drivers/md/dm-snap.h
+++ b/drivers/md/dm-snap.h
@@ -61,7 +61,7 @@ struct dm_snapshot {
         spinlock_t pe_lock;
 
         /* The on disk metadata handler */
-        struct exception_store store;
+        struct dm_exception_store store;
 
         struct dm_kcopyd_client *kcopyd_client;