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-rw-r--r--drivers/md/bitmap.c18
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index a1862d9e6d83..7e015c9ea73e 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -739,7 +739,6 @@ static void bitmap_file_unmap(struct bitmap *bitmap)
int pages;
struct bitmap_storage *store = &bitmap->storage;
- spin_lock_irq(&bitmap->lock);
map = store->filemap;
store->filemap = NULL;
attr = store->filemap_attr;
@@ -748,7 +747,6 @@ static void bitmap_file_unmap(struct bitmap *bitmap)
store->file_pages = 0;
sb_page = store->sb_page;
store->sb_page = NULL;
- spin_unlock_irq(&bitmap->lock);
while (pages--)
if (map[pages] != sb_page) /* 0 is sb_page, release it below */
@@ -764,10 +762,8 @@ static void bitmap_file_put(struct bitmap *bitmap)
{
struct file *file;
- spin_lock_irq(&bitmap->lock);
file = bitmap->storage.file;
bitmap->storage.file = NULL;
- spin_unlock_irq(&bitmap->lock);
if (file)
wait_event(bitmap->write_wait,
@@ -809,10 +805,6 @@ static void bitmap_file_kick(struct bitmap *bitmap)
"%s: disabling internal bitmap due to errors\n",
bmname(bitmap));
}
-
- bitmap_file_put(bitmap);
-
- return;
}
enum bitmap_page_attr {
@@ -903,7 +895,8 @@ void bitmap_unplug(struct bitmap *bitmap)
int dirty, need_write;
int wait = 0;
- if (!bitmap || !bitmap->storage.filemap)
+ if (!bitmap || !bitmap->storage.filemap ||
+ test_bit(BITMAP_STALE, &bitmap->flags))
return;
/* look at each page to see if there are any set bits that need to be
@@ -1222,7 +1215,10 @@ void bitmap_daemon_work(struct mddev *mddev)
* the first blocking holds the superblock and it has been updated.
* We mustn't write any other blocks before the superblock.
*/
- for (j = 0; j < bitmap->storage.file_pages; j++) {
+ for (j = 0;
+ j < bitmap->storage.file_pages
+ && !test_bit(BITMAP_STALE, &bitmap->flags);
+ j++) {
if (test_page_attr(bitmap, j,
BITMAP_PAGE_DIRTY))
@@ -1235,8 +1231,6 @@ void bitmap_daemon_work(struct mddev *mddev)
spin_unlock_irq(&bitmap->lock);
write_page(bitmap, bitmap->storage.filemap[j], 0);
spin_lock_irq(&bitmap->lock);
- if (!bitmap->storage.filemap)
- break;
}
}
spin_unlock_irq(&bitmap->lock);