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authorNeilBrown <neilb@suse.de>2009-12-14 12:49:52 +1100
committerNeilBrown <neilb@suse.de>2009-12-14 12:51:41 +1100
commitc3d9714e88c8685cf9bc837c3241fc005f95fb82 (patch)
treedd11e16ec911983bb7452bb4fb092769ba612e3b /drivers/md/md.h
parent709ae4879ae33628ded276ce7da8cd5acfec476b (diff)
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>
Diffstat (limited to 'drivers/md/md.h')
-rw-r--r--drivers/md/md.h22
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h
index cb036868a9e9..50e62ef32e9d 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -280,16 +280,18 @@ struct mddev_s
unsigned int max_write_behind; /* 0 = sync */
struct bitmap *bitmap; /* the bitmap for the device */
- struct file *bitmap_file; /* the bitmap file */
- long bitmap_offset; /* offset from superblock of
- * start of bitmap. May be
- * negative, but not '0'
- */
- long default_bitmap_offset; /* this is the offset to use when
- * hot-adding a bitmap. It should
- * eventually be settable by sysfs.
- */
- struct mutex bitmap_mutex;
+ struct {
+ struct file *file; /* the bitmap file */
+ long offset; /* offset from superblock of
+ * start of bitmap. May be
+ * negative, but not '0'
+ */
+ long default_offset; /* this is the offset to use when
+ * hot-adding a bitmap. It should
+ * eventually be settable by sysfs.
+ */
+ struct mutex mutex;
+ } bitmap_info;
struct list_head all_mddevs;