md: collect bitmap-specific fields into one structure.

In preparation for making bitmap fields configurable via sysfs,
start tidying up by making a single structure to contain the
configuration fields.

Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 9 insertions, 9 deletions

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index a5e5f2fbf963..c9270f2c9ecd 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1090,10 +1090,10 @@ void bitmap_daemon_work(mddev_t *mddev)
         /* Use a mutex to guard daemon_work against
          * bitmap_destroy.
          */
-        mutex_lock(&mddev->bitmap_mutex);
+        mutex_lock(&mddev->bitmap_info.mutex);
         bitmap = mddev->bitmap;
         if (bitmap == NULL) {
-                mutex_unlock(&mddev->bitmap_mutex);
+                mutex_unlock(&mddev->bitmap_info.mutex);
                 return;
         }
         if (time_before(jiffies, bitmap->daemon_lastrun + bitmap->daemon_sleep*HZ))
@@ -1211,7 +1211,7 @@ void bitmap_daemon_work(mddev_t *mddev)
  done:
         if (bitmap->allclean == 0)
                 bitmap->mddev->thread->timeout = bitmap->daemon_sleep * HZ;
-        mutex_unlock(&mddev->bitmap_mutex);
+        mutex_unlock(&mddev->bitmap_info.mutex);
 }
 
 static bitmap_counter_t *bitmap_get_counter(struct bitmap *bitmap,
@@ -1591,9 +1591,9 @@ void bitmap_destroy(mddev_t *mddev)
         if (!bitmap) /* there was no bitmap */
                 return;
 
-        mutex_lock(&mddev->bitmap_mutex);
+        mutex_lock(&mddev->bitmap_info.mutex);
         mddev->bitmap = NULL; /* disconnect from the md device */
-        mutex_unlock(&mddev->bitmap_mutex);
+        mutex_unlock(&mddev->bitmap_info.mutex);
         if (mddev->thread)
                 mddev->thread->timeout = MAX_SCHEDULE_TIMEOUT;
 
@@ -1610,16 +1610,16 @@ int bitmap_create(mddev_t *mddev)
         sector_t blocks = mddev->resync_max_sectors;
         unsigned long chunks;
         unsigned long pages;
-        struct file *file = mddev->bitmap_file;
+        struct file *file = mddev->bitmap_info.file;
         int err;
         sector_t start;
 
         BUILD_BUG_ON(sizeof(bitmap_super_t) != 256);
 
-        if (!file && !mddev->bitmap_offset) /* bitmap disabled, nothing to do */
+        if (!file && !mddev->bitmap_info.offset) /* bitmap disabled, nothing to do */
                 return 0;
 
-        BUG_ON(file && mddev->bitmap_offset);
+        BUG_ON(file && mddev->bitmap_info.offset);
 
         bitmap = kzalloc(sizeof(*bitmap), GFP_KERNEL);
         if (!bitmap)
@@ -1633,7 +1633,7 @@ int bitmap_create(mddev_t *mddev)
         bitmap->mddev = mddev;
 
         bitmap->file = file;
-        bitmap->offset = mddev->bitmap_offset;
+        bitmap->offset = mddev->bitmap_info.offset;
         if (file) {
                 get_file(file);
                 /* As future accesses to this file will use bmap,