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>

diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c
index ef152e6..c5c9a26 100644 (file)
--- 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 d75f775..25677df 100644 (file)
--- 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 6e4beaf..9281236 100644 (file)
--- 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;